CN115096742B - A fast-filling, anti-caking, highly stable composting degradation container - Google Patents
A fast-filling, anti-caking, highly stable composting degradation container Download PDFInfo
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- CN115096742B CN115096742B CN202210807688.9A CN202210807688A CN115096742B CN 115096742 B CN115096742 B CN 115096742B CN 202210807688 A CN202210807688 A CN 202210807688A CN 115096742 B CN115096742 B CN 115096742B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
- B01F27/11251—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis having holes in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/23—Mixing of laboratory samples e.g. in preparation of analysing or testing properties of materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
本发明公开了一种可快速装填的防板结高稳定堆肥降解容器，包括上罐体、底部进气管、下罐体、顶盖、搅拌电机、保护罩和搅拌棒；上罐体通过活动连接在下罐体顶部，下罐体顶部侧壁设有进水管、底部设有进气孔；底部进气管包括连接环、内管和外管，外管通过连接环连接在内管外围、且在外管侧壁上布置气孔，底部进气管安装在上罐体内侧，内管与下罐体气路相通；顶盖活动连接在上罐体顶部；顶盖顶部设有取样孔、传感器接孔和出气接管；搅拌电机安装在盖体上，保护罩设在搅拌电机的外围；搅拌棒连接在搅拌电机的转轴上，搅拌棒的底部周边相对设置的上翘搅拌叶和下弯搅拌叶。上述装置实现了连续性一锅法试验，提高试验效率与准确性。
The present invention discloses a fast-filling anti-caking high-stable compost degradation container, comprising an upper tank body, a bottom air inlet pipe, a lower tank body, a top cover, a stirring motor, a protective cover and a stirring rod; the upper tank body is movably connected to the top of the lower tank body, the top side wall of the lower tank body is provided with a water inlet pipe, and the bottom is provided with an air inlet hole; the bottom air inlet pipe comprises a connecting ring, an inner tube and an outer tube, the outer tube is connected to the periphery of the inner tube through a connecting ring, and air holes are arranged on the side wall of the outer tube, the bottom air inlet pipe is installed inside the upper tank body, and the inner tube is connected to the gas path of the lower tank body; the top cover is movably connected to the top of the upper tank body; the top of the top cover is provided with a sampling hole, a sensor connection hole and an air outlet pipe; the stirring motor is installed on the cover body, and the protective cover is arranged on the periphery of the stirring motor; the stirring rod is connected to the rotating shaft of the stirring motor, and the bottom periphery of the stirring rod is relatively provided with upward stirring blades and downward bending stirring blades. The above device realizes the continuous one-pot test and improves the test efficiency and accuracy.
Description
Technical Field
The invention relates to a hardening-preventing high-stability compost degradation container capable of being filled rapidly, and belongs to the field of compost detection containers.
Background
The degradable material industry belongs to an emerging industry, and develops very rapidly, and due to the high production cost, some merchants utilize the characteristics of common plastic products similar to the appearance of the degradable plastic products to falsely promote the products, thereby aggravating the bad influence of white pollution on the environment and restricting the rapid and healthy development of the degradable material industry.
The detection and authentication of the degradability are key means for judging whether the degradable material product is compliant. The core component in the biodegradable material biological decomposition rate detector is a compost container, the actual degradable performance test is an aerobic composting process, the aerobic composting process is a process of absorbing, oxidizing and decomposing waste by aerobic bacteria under the condition of good ventilation and sufficient oxygen, and the biological decomposition rate is measured by collecting the mass of carbon dioxide generated by decomposing the degradable material by microorganisms in the compost container. In the test, a 2-5L thin high-boron glass bottle is usually used as a compost container, but the bottle mouth of the glass bottle is smaller, the filling of test materials is difficult, the steps of disconnecting an air inlet, an air outlet, a water supplementing pipeline and the like of an air path are more complicated when the compost container is replaced, the air pipe at the bottom is single pipe and single port, the air flow cannot be uniformly diffused, the compost material is easy to harden, the compost material is easy to be blocked by mud, the safety is poor, and the test cannot be completed by a continuous one-pot method.
Disclosure of Invention
The invention provides a rapid-filling anti-hardening high-stability compost degradation container, wherein an upper tank body and a lower tank body are movably connected with a secondary hole through a splicing protrusion and are of straight-cylinder structures, so that test materials can be conveniently filled, the rapid-filling anti-hardening high-stability compost degradation container is simple, convenient and efficient to operate and good in stability, the air hole layout of a bottom air inlet pipe is changed through improvement of the bottom air inlet pipe, blocking of the air inlet pipe is reduced, uniform diffusion of air flow is realized, a stirring motor is effectively protected, long-time continuous and stable operation of stirring under the working condition of high temperature and high humidity is ensured, and the stirring range is remarkably increased and the detection efficiency and safety are improved through improvement of stirring blades.
The upper tank body is convenient, and the problem of rapid composting is solved by designing the compost container
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
A fast-filling anti-hardening high-stability compost degradation container comprises an upper tank body, a bottom air inlet pipe, a lower tank body, a top cover, a stirring motor, a protective cover and a stirring rod;
The upper tank body is of a straight cylinder structure with an open top and a blocked bottom, the bottom of the upper tank body is provided with a mounting hole, the mounting hole is formed by splicing a primary hole and a secondary hole which are connected up and down and mutually communicated, and the aperture of the primary hole is smaller than that of the secondary hole;
The bottom air inlet pipe comprises a connecting ring, an inner pipe and an outer pipe, wherein the connecting ring is of an annular structure, the inner pipe is of a tubular structure with two open ends, the inner pipe is positioned on the inner side of the inner ring of the connecting ring and is connected with the inner ring of the connecting ring, the length of the inner pipe below the connecting ring is not zero and is formed into a connecting section;
the bottom air inlet pipe is vertically arranged at the bottom of the inner side of the upper tank body, and the connecting section is inserted into the primary hole;
the lower tank body is of a straight cylinder structure with the top and the bottom both blocked, the top of the lower tank body is provided with a splicing bulge, the splicing bulge is provided with an air inlet channel communicated with the inside of the lower tank body, the splicing bulge is matched with the secondary hole, the upper tank body is arranged at the top of the lower tank body, the splicing bulge is matched and inserted in the secondary hole, and the air inlet channel on the splicing bulge is communicated with the inner pipe;
the top cover is movably connected with the top of the upper tank body, the top of the top cover is provided with a sampling hole, a sensor connecting hole and an air outlet hole, the sampling hole is provided with a movable cover, and the outer side of the air outlet hole is connected with an air outlet connecting pipe;
The stirring motor is arranged on the cover body, a rotating shaft of the stirring motor extends into the upper tank body, and the protective cover is arranged on the periphery of the stirring motor;
The stirring rod is connected in the pivot of agitator motor, leave the clearance between the bottom of stirring rod and bottom intake pipe top, the bottom periphery of stirring rod is equipped with the stirring leaf that the above structure is the same, every upwarp stirring leaf and the kickdown stirring leaf that set up relatively, upwarp stirring leaf and kickdown stirring leaf's one end all is connected in stirring rod bottom periphery, the other end is circular-arc, upwarp stirring leaf and kickdown stirring She Yuanhu one end that describes is equipped with the stirred hole, upwarp stirring She Xiangshang bend, and be 50~80 contained angles with vertical direction, kickdown stirring She Xiangxia bend, and be 50~80 contained angles with vertical direction.
The upper tank body and the lower tank body are movably connected through the secondary holes and the splicing protrusions which are matched with each other, and after reactants are filled in the upper tank body, the upper tank body and the lower tank body can be connected quickly, so that the work efficiency is high, the stability of the composting tank body is improved, and the composting tank is simple, safe and reliable.
The bottom air inlet pipe effectively solves the problems of uneven air inlet and easy blockage at the bottom of the compost container; the application changes the air hole layout of the bottom air inlet pipe, the air holes are distributed on the surface of the outer pipe, not only can prevent the air inlet pipe from being blocked, but also can achieve the aim of uniformly dispersing the air, reduce the possibility of compost hardening, reduce the safety accidents, facilitate the realization of a continuous one-pot method test and improve the test efficiency and accuracy.
According to the stirring motor, the moisture-proof protective cover is additionally arranged on the periphery of the stirring motor, so that water vapor can be effectively isolated, long-time continuous and stable operation of stirring under the working condition of high temperature and high humidity is ensured, degradation test interruption caused by motor damage is avoided, continuous one-pot test is convenient to realize, test efficiency and accuracy are improved, stability is good, the structure is simple, and the stirring motor is easy to retrofit.
The upwarp stirring blade is bent upwards to cover the height of the stirring shaft, and the downwarp stirring blade is bent downwards to cover the height of the bottom air inlet pipe. Thus ensuring the omnibearing stirring of the materials. The free ends of the upturned stirring blades and the downturned stirring blades are designed to be arc-shaped, so that smooth material stirring is facilitated, the stirring holes are designed, materials can pass through the stirring holes to be stirred, the stirring uniformity is improved, the phenomenon of blocking of the whole stirring of the bulk materials is avoided, and the stirring safety is improved. A safety gap of 0.5-3 cm is reserved between the stirring blade and the bottom air inlet pipe, between the stirring shaft and the side wall and between the stirring blade and the bottom of the upper tank body.
When the test device is used, the lower tank body is arranged in the heat preservation bin, the air inlet hole at the bottom of the lower tank body is connected with the air inlet pipe, a certain amount of water is injected into the lower tank body through the water inlet pipe, the upper tank body can be directly taken out to be filled with test materials, after filling is finished, the upper tank body and the lower tank body are movably connected with the second-level holes through the splicing protrusions, the test device is fast and stable, air is introduced into the bottom of the lower tank body, air and water vapor in the lower tank body can enter from the bottom of the inner pipe under the action of pressure, flow out from the top of the inner pipe and enter the buffer cavity, and are dispersed into reactants through the air holes distributed on the side wall of the outer pipe, the stirring motor can be started according to experimental requirements, the setting of the moisture-proof protection cover effectively isolates the water vapor, ensures that stirring continuously works for a long time under the working conditions of high temperature and high humidity, obviously expands the stirring range, avoids hardening and improves the uniformity of materials and the safety and the accuracy of the test through the design of the upwarp stirring blades.
In order to improve the tightness, the periphery of the splicing bulge is provided with a sealing rubber ring.
In order to facilitate observation, the structural strength of the device is ensured, and the side wall of the upper tank body and the side wall of the lower tank body are made of transparent organic glass.
In order to ensure the tightness, the container is convenient to open and close, and the container further comprises more than three cover body connecting pieces which are uniformly distributed along the periphery of the cover body and have the same structure, wherein each cover body connecting piece comprises a screw rod and a handle arranged at the top of the screw rod, the bottom of the screw rod penetrates through the cover body and stretches into the top side wall of the upper tank body, and the screw rod is in threaded fit with the cover body and the top side wall of the upper tank body. The handle is rotated to enable the bottom of the screw rod to be separated from the side wall of the top of the upper tank body, and the top cover can be completely opened, so that the purpose of rapidly filling test samples is achieved.
The upper tank body, the lower tank body, the primary hole, the secondary hole, the splicing protrusion and the air inlet channel are all concentrically arranged, the diameters of the upper tank body and the lower tank body are equal, and the height of the lower tank body is 1/4-1/2 of the height of the upper tank body.
In order to facilitate installation, a hexagonal installation block is arranged at the top of the outer side of the outer tube, and the cross section of the hexagonal installation block is regular hexagon. Thus, when the hexagonal mounting block is mounted, the hexagonal mounting block can be clamped by a tool. In order to facilitate disassembly and assembly and cleaning, the open end of the outer tube is movably connected with the connecting ring through a threaded structure or a plug-in structure, and in order to improve the stability of the device, the connecting ring and the inner tube are of an integrated structure.
In order to further ensure the uniformity of air intake, more than 4 rows of air holes are uniformly distributed on the side wall of the outer tube along the circumferential direction, each row of air holes comprises more than 7 air holes uniformly distributed along the height direction, the connecting ring is of a circular ring structure, the inner tube and the outer tube are of circular tube structures, and the connecting ring, the inner tube and the outer tube are coaxially arranged for facilitating manufacturing and installation and ensuring the uniformity of air intake.
The top cover is provided with a first mounting hole, the stirring motor is positioned at the inner side of the first mounting hole, the top and the bottom of the stirring motor exceed the cover body of the composting pot, and the rotating shaft of the stirring motor is arranged at the center of the bottom of the stirring motor and is vertically downwards arranged;
The upper cover body is of a straight cylinder structure with a blocked top and an open bottom, the upper cover body covers the periphery of the stirring motor above the first mounting hole, the bottom of the upper cover body is provided with a first folded edge which is vertically folded outwards, and the first folded edge is connected with a compost tank cover body around the first mounting hole;
The lower cover body is of a straight cylinder structure with an open top and a blocked bottom, the lower cover body covers the periphery of the stirring motor below the first mounting hole, the top of the lower cover body is provided with a second folded edge which is vertically folded outwards, the second folded edge is connected with the compost tank cover body around the first mounting hole, and the bottom of the lower cover body is provided with a second mounting hole;
The baffle is connected in lower cover body bottom, is equipped with the third mounting hole on the baffle, and the bearing is installed in the third mounting hole inboard, and agitator motor's pivot passes second installation and bearing inner ring in proper order, wears out from the baffle bottom, and agitator motor's pivot is in the same place with the bearing inner ring.
As a matter of common sense, a bearing comprises an inner ring and an outer ring which are rotatable relative to each other.
In order to ensure smooth stirring and simultaneously maximally save space, part of the height of the stirring motor exceeds the cover body of the compost tank, and part of the height is lower than the cover body of the compost tank and is positioned in the compost tank. The stirring motor can be directly purchased from the existing commercial products, such as 420DME20DR+36 planetary gear (rated power 15W, rated current <1A, rated rotation speed 25rpm + -10%), etc.
The design of the first folding edge on the upper cover body is convenient for installation, ensures tightness and plays a better role in protecting the stirring motor, and the wiring hole on the upper cover body is used for wiring of the stirring motor. The design of the second flange on the lower cover body is convenient to install, and meanwhile, tightness is guaranteed, so that a better protection effect is achieved on the stirring motor. The arrangement of the baffle and the bearing not only improves the tightness, but also improves the running stability of the motor. The bearing outer ring is connected with the inner side of the third mounting hole, and the bearing inner ring is connected with the side wall of the rotating shaft of the stirring motor, so that the tightness and stability are ensured, and the normal operation of the stirring motor is not influenced.
As a specific implementation scheme, the aperture of the second mounting hole is larger than that of the third mounting hole, a step-shaped clamping boss is arranged at the bottom of the stirring motor, and is positioned in the second mounting hole and is movably clamped with the bottom of the lower cover body, and the height of the clamping boss is not larger than the thickness of the bottom of the lower cover body or the depth of the second mounting hole.
In order to further improve the protection effect, the novel anti-theft protection device further comprises an upper sealing ring, a lower sealing ring and a buffer sealing ring, wherein an upper mounting groove is formed in the top of a top cover around the first mounting hole, a lower mounting groove is formed in the bottom of the top cover around the first mounting hole, the upper sealing ring is arranged in the upper mounting groove and is tightly attached to the bottom of the first flanging, the lower sealing ring is arranged in the lower mounting groove and is tightly attached to the top of the second flanging, the buffer groove is formed in the upper surface of the baffle, the buffer sealing ring is arranged in the buffer groove and is tightly attached to the bottom of the lower cover body.
In order to ensure structural strength and corrosion resistance, the rotating shaft of the stirring motor is made of 316 stainless steel, and the upper cover body, the lower cover body and the baffle are all made of aluminum alloy. For example, the bearing can be titanium aluminum alloy with light specific gravity, high specific strength and good rigidity, the aperture of the first mounting hole, the inner diameter of the upper cover body and the inner diameter of the lower cover body are equal, and the upper cover body, the lower cover body, the bearing, the baffle plate, the first mounting hole, the second mounting hole and the third mounting hole are concentrically arranged.
In order to improve structural stability, the top periphery of the upper tank body is provided with a first flange part, the bottom periphery of the upper tank body is provided with a second flange part, the first flange part and the second flange part are connected through more than three first connecting rods distributed along the periphery, the top periphery of the lower tank body is provided with a third flange part, the bottom periphery of the lower tank body is provided with a fourth flange part, and the third flange part and the fourth flange part are connected through more than three second connecting rods distributed along the periphery.
The technology not mentioned in the present invention refers to the prior art.
The rapid filling anti-hardening high-stability compost degradation container has the advantages that the upper tank body and the lower tank body are of structures movably connected with the secondary holes through the splicing protrusions, are of straight-cylinder structures, improve the convenience and filling efficiency of filling test materials, are simple and convenient to operate and good in stability, change the air hole layout of the bottom air inlet pipe through improvement of the bottom air inlet pipe, reduce blocking of the air inlet pipe and hardening of materials, achieve uniform diffusion of air flow, effectively protect a stirring motor, ensure continuous and stable operation for a long time under the working condition of high temperature and high humidity, remarkably increase the stirring range through improvement of stirring blades, better avoid hardening of materials, ensure the uniformity of the materials, improve the detection efficiency and safety, shorten the operation time and operation risk of operators, reduce safety accidents, realize continuous one-pot method test, and improve the test efficiency and accuracy.
Drawings
FIG. 1 is a schematic diagram of the movable connection of an upper tank and a lower tank (the handle is a single-side handle, and other parts on the top cover are omitted);
FIG. 2 is a cross-sectional view of the upper tank;
FIG. 3 is a perspective view of the upper tank (handle is double-sided and side wall is omitted)
FIG. 4 is a cross-sectional view of the bottom inlet pipe;
In the figure, 1 is an upper tank body, 11 is a primary hole, 12 is a secondary hole, 13 is a first flange, 14 is a second flange, 15 is a first connecting rod, 2 is a bottom air inlet pipe, 21 is a connecting ring, 22 is an inner pipe, 23 is an outer pipe, 24 is an air hole, 25 is a connecting section, 26 is a buffer cavity, 3 is a lower tank body, 31 is a splicing protrusion, 32 is an inlet pipe, 33 is an air inlet hole, 34 is a third flange, 35 is a fourth flange, 36 is a second connecting rod, 4 is a top cover, 41 is an air outlet connecting pipe, 42 is a movable cover, 43 is a handle, 5 is a stirring motor, 6 is a protecting cover, 7 is a stirring rod, 71 is an upturned stirring blade, 72 is a downturned stirring blade, and 73 is a stirring hole.
Detailed Description
For a better understanding of the present invention, the following examples are further illustrated, but are not limited to the following examples.
The terms of the directions of up, down, left, right, horizontal, vertical and the like of the present application are based on the relative directions or positional relationships shown in the drawings, and should not be construed as absolute limitations of the present application.
Example 1
1-3, The fast-filling anti-hardening high-stability compost degradation container comprises an upper tank body, a bottom air inlet pipe, a lower tank body, a top cover, a stirring motor, a protective cover and a stirring rod;
The upper tank body is of a straight cylinder structure with an open top and a blocked bottom, the bottom of the upper tank body is provided with a mounting hole, the mounting hole is formed by splicing a primary hole and a secondary hole which are connected up and down and mutually communicated, and the aperture of the primary hole is smaller than that of the secondary hole;
The bottom air inlet pipe comprises a connecting ring, an inner pipe and an outer pipe, wherein the connecting ring is of an annular structure, the inner pipe is of a tubular structure with two open ends, the inner pipe is positioned on the inner side of the inner ring of the connecting ring and is connected with the inner ring of the connecting ring, the length of the inner pipe below the connecting ring is not zero and is formed into a connecting section;
the bottom air inlet pipe is vertically arranged at the bottom of the inner side of the upper tank body, and the connecting section is inserted into the primary hole;
The lower tank body is of a straight cylinder structure with the top and the bottom both sealed, the top of the lower tank body is provided with a splicing bulge, the splicing bulge is provided with an air inlet channel communicated with the inside of the lower tank body, the splicing bulge is matched with the secondary hole, the upper tank body is arranged at the top of the lower tank body, the splicing bulge is matched and inserted in the secondary hole, and the air inlet channel is communicated with the inner pipe;
the top cover is movably connected with the top of the upper tank body, the top of the top cover is provided with a sampling hole, a sensor connecting hole and an air outlet hole, the sampling hole is provided with a movable cover, and the outer side of the air outlet hole is connected with an air outlet connecting pipe;
The stirring motor is arranged on the cover body, a rotating shaft of the stirring motor extends into the upper tank body, and the protective cover is arranged on the periphery of the stirring motor;
The stirring rod is connected in the pivot of agitator motor, leave the clearance between the bottom of stirring rod and bottom intake pipe top, the bottom periphery of stirring rod is equipped with upwarp stirring leaf and kickdown stirring leaf of relative setting, upwarp stirring leaf and kickdown stirring leaf's one end all is connected in stirring rod bottom periphery, the other end is circular-arc, upwarp stirring leaf and kickdown stirring She Yuanhu one end that describes are equipped with the stirred hole, upwarp stirring She Xiangshang bend, and be 75 contained angle with vertical direction, kickdown stirring She Xiangxia bend, and be 75 contained angle with vertical direction.
The upper tank body and the lower tank body are movably connected through the secondary holes and the splicing protrusions which are matched with each other, and after reactants are filled in the upper tank body, the upper tank body and the lower tank body can be connected quickly, so that the work efficiency is high, the stability of the composting tank body is improved, and the composting tank is simple, safe and reliable.
The bottom air inlet pipe effectively solves the problems of uneven air inlet and easy blockage at the bottom of the compost container; the application changes the air hole layout of the bottom air inlet pipe, the air holes are distributed on the surface of the outer pipe, not only can prevent the air inlet pipe from being blocked, but also can achieve the aim of uniformly dispersing the air, reduce the possibility of compost hardening, reduce the safety accidents, facilitate the realization of a continuous one-pot method test and improve the test efficiency and accuracy.
According to the stirring motor, the moisture-proof protective cover is additionally arranged on the periphery of the stirring motor, so that water vapor can be effectively isolated, long-time continuous and stable operation of stirring under the working condition of high temperature and high humidity is ensured, degradation test interruption caused by motor damage is avoided, continuous one-pot test is convenient to realize, test efficiency and accuracy are improved, stability is good, the structure is simple, and the stirring motor is easy to retrofit.
The upwarp stirring blade is bent upwards to cover the height of the stirring shaft, and the downwarp stirring blade is bent downwards to cover the height of the bottom air inlet pipe. Thus ensuring the omnibearing stirring of the materials. The free ends of the upturned stirring blades and the downturned stirring blades are designed to be arc-shaped, so that smooth material stirring is facilitated, the stirring holes are designed, materials can pass through the stirring holes to be stirred, the stirring uniformity is improved, the phenomenon of blocking of the whole stirring of the bulk materials is avoided, and the stirring safety is improved. A safety gap of 0.5-1.5 cm is reserved between the stirring blade and the bottom air inlet pipe, between the stirring shaft and the side wall and between the stirring blade and the bottom of the upper tank body.
When the test device is used, the lower tank body is arranged in the heat preservation bin, the air inlet hole at the bottom of the lower tank body is connected with the air inlet pipe, a certain amount of water is injected into the lower tank body through the water inlet pipe, the upper tank body can be directly taken out to be filled with test materials, after filling is finished, the upper tank body and the lower tank body are movably connected with the second-level holes through the splicing protrusions, the test device is fast and stable, air is introduced into the bottom of the lower tank body, air and water vapor in the lower tank body can enter from the bottom of the inner pipe under the action of pressure, flow out from the top of the inner pipe and enter the buffer cavity, and are dispersed into reactants through the air holes distributed on the side wall of the outer pipe, the stirring motor can be started according to experimental requirements, the setting of the moisture-proof protection cover effectively isolates the water vapor, ensures that stirring continuously works for a long time under the working conditions of high temperature and high humidity, obviously expands the stirring range, avoids hardening and improves the uniformity of materials and the safety and the accuracy of the test through the design of the upwarp stirring blades.
Example 2
On the basis of the embodiment 1, the improvement is further made that in order to improve the tightness, the periphery of the splicing bulge of the lower tank body is provided with a sealing rubber ring, so that the tightness of the movable connection of the upper tank body and the lower tank body is ensured better. In order to facilitate observation, the structural strength of the device is ensured, and the side wall of the upper tank body and the side wall of the lower tank body are made of transparent organic glass. In order to ensure the leakproofness, make things convenient for opening and shutting of lid simultaneously, above-mentioned container still includes four lid connecting pieces that the structure is the same along the peripheral equipartition of lid, and the lid connecting piece includes the screw rod and establishes the handle at the screw rod top, and the bottom of screw rod passes the lid and stretches into last jar body top lateral wall, is screw thread fit between screw rod and lid and the last jar body top lateral wall. The handle is rotated to enable the bottom of the screw rod to be separated from the side wall of the top of the upper tank body, and the top cover can be completely opened, so that the purpose of rapidly filling test samples is achieved. The handle may be a single-sided handle (handle is arranged on one side of the top of the screw) as shown in fig. 1, or a double-sided handle (handle is arranged on two sides of the top of the screw) as shown in fig. 3 for convenience of operation. The upper tank body, the lower tank body, the primary hole, the secondary hole, the splicing protrusion and the air inlet channel are all concentrically arranged, the diameters of the upper tank body and the lower tank body are equal, and the height of the lower tank body is 1/3 of the height of the upper tank body.
Example 3
On the basis of the embodiment 2, the improvement is further that a hexagonal installation block is arranged on the top of the outer side of the outer pipe in order to facilitate installation, and the cross section of the hexagonal installation block is regular hexagon. Thus, when the hexagonal mounting block is mounted, the hexagonal mounting block can be clamped by a tool. In order to facilitate disassembly and assembly and cleaning, the open end of the outer tube is movably connected with the connecting ring through a threaded structure or a plug-in structure, and in order to improve the stability of the device, the connecting ring and the inner tube are of an integrated structure. In order to further ensure the uniformity of air intake, 4 or 6 rows of air holes are uniformly distributed along the circumferential direction on the side wall of the outer tube, each row of air holes comprises 7 air holes uniformly distributed along the height direction, in order to facilitate manufacturing and installation, and simultaneously ensure the uniformity of air intake, the connecting ring is of a circular ring structure, the inner tube and the outer tube are of circular tube structures, and the connecting ring, the inner tube and the outer tube are coaxially arranged.
Example 4
On the basis of embodiment 3, the improvement is further made in that the protective cover comprises an upper cover body and a lower cover body for facilitating installation and saving space, a first installation hole is formed in the top cover, the stirring motor is located on the inner side of the first installation hole, the top and the bottom of the stirring motor are beyond the periphery of the composting pot cover body, a rotating shaft of the stirring motor is arranged in the center of the bottom of the stirring motor and is vertically downwards arranged, the upper cover body is of a straight cylinder structure with a top end-capped and bottom open, the upper cover body covers the periphery of the stirring motor above the first installation hole, the bottom of the upper cover body is provided with a first folded edge which is vertically folded outwards, the first folded edge is connected with the composting pot cover body on the periphery of the first installation hole, the top of the upper cover body is provided with a threading hole, the lower cover body is of a straight cylinder structure with the top open and the bottom end-capped, the lower cover body covers the periphery of the stirring motor below the first installation hole, the top of the lower cover body is provided with a second folded outwards, the second folded edge is connected with the composting pot cover body on the periphery of the first installation hole, the bottom of the lower cover body is provided with a second installation hole, the baffle is connected to the bottom of the lower cover body, the baffle is arranged on the bottom of the lower cover body, the baffle is connected with the third baffle and penetrates through the rotating shaft and penetrates through the bearing inside the bearing, and is sequentially arranged inside the bearing and penetrates through the bearing inside the bearing.
In order to ensure smooth stirring and simultaneously maximally save space, part of the height of the stirring motor exceeds the cover body of the compost tank, and part of the height is lower than the cover body of the compost tank and is positioned in the compost tank. The stirring motor can be directly purchased from the existing commercial products, such as 420DME20DR+36 planetary gear (rated power 15W, rated current <1A, rated rotation speed 25rpm + -10%), etc.
Example 5
On the basis of the embodiment 4, the improvement is further made that the aperture of the second mounting hole is larger than that of the third mounting hole, a step-shaped clamping boss is arranged at the bottom of the stirring motor, the clamping boss is positioned in the second mounting hole and forms movable clamping with the bottom of the lower cover body, and the height of the clamping boss is not larger than the thickness of the bottom of the lower cover body or the depth of the second mounting hole.
Example 6
On the basis of the embodiment 4 or 5, the improvement is further made that in order to further improve the protection effect, the protection cover further comprises an upper sealing ring, a lower sealing ring and a buffer sealing ring, wherein an upper mounting groove is formed in the top of the top cover around the first mounting hole, a lower mounting groove is formed in the bottom of the top cover, the upper mounting groove and the lower mounting groove are annular, the upper sealing ring is arranged in the upper mounting groove and is tightly attached to the bottom of the first flanging, the lower sealing ring is arranged in the lower mounting groove and is tightly attached to the top of the second flanging, the buffer groove is formed in the upper surface of the baffle, and the buffer sealing ring is arranged in the buffer groove and is tightly attached to the bottom of the lower cover body. In order to ensure structural strength and corrosion resistance, the rotating shaft of the stirring motor is made of 316 stainless steel, and the upper cover body, the lower cover body and the baffle are all made of aluminum alloy. For example, the bearing can be titanium aluminum alloy with light specific gravity, high specific strength and good rigidity, the aperture of the first mounting hole, the inner diameter of the upper cover body and the inner diameter of the lower cover body are equal, and the upper cover body, the lower cover body, the bearing, the baffle plate, the first mounting hole, the second mounting hole and the third mounting hole are concentrically arranged.
Example 7
On the basis of embodiment 6, the improvement is further made in that in order to improve structural stability, a first flange is arranged on the periphery of the top of the upper tank body, a second flange is arranged on the periphery of the bottom of the upper tank body, the first flange and the second flange are connected through four first connecting rods distributed along the periphery, as shown in fig. 3, on the cover connecting piece, the bottom of a screw rod penetrates through the cover body to extend into the first flange, the screw rod is in threaded fit with the cover body and the first flange, a third flange is arranged on the periphery of the top of the lower tank body, a fourth flange is arranged on the periphery of the bottom of the lower tank body, and the third flange and the fourth flange are connected through four second connecting rods distributed along the periphery.
The anti-hardening high-stability compost degradation container with the inner diameters of the upper tank body and the lower tank body of 20cm is adopted for testing, the volume of the upper tank body is 2900cm 3, the volume of the lower tank body is 1100cm 3, the preparation of the receiving species, the preparation of test materials, reference materials and other earlier-stage preparation works are completed according to GB/T19277.1-2011 operation steps, and the test is started. When the test materials are filled, the top cover is opened, the upper tank body is moved out, after the filling is finished, the splicing protrusions are aligned with the secondary holes, the upper tank body is placed on the lower tank body, stable connection of the upper tank body and the lower tank body can be achieved, simplicity, convenience and good stability are achieved, the bottom is evenly and recently achieved through improvement of the bottom air inlet pipe and the stirring rod blade, pipe blocking is avoided, all-round stirring of the materials is achieved, the stirring motor is effectively protected through the protection cover, the problems of material hardening, pipe blocking and the like do not occur in a longer detection period (180 days), abnormal conditions do not occur in the stirring motor, stability of composting reaction is improved, one-pot continuous test is achieved, and the data aspect is more continuous and complete.
Claims (10)
1. A rapid-filling anti-hardening high-stability compost degradation container is characterized by comprising an upper tank body, a bottom air inlet pipe, a lower tank body, a top cover, a stirring motor, a protective cover and a stirring rod;
The upper tank body is of a straight cylinder structure with an open top and a blocked bottom, the bottom of the upper tank body is provided with a mounting hole, the mounting hole is formed by splicing a primary hole and a secondary hole which are connected up and down and mutually communicated, and the aperture of the primary hole is smaller than that of the secondary hole;
The bottom air inlet pipe comprises a connecting ring, an inner pipe and an outer pipe, wherein the connecting ring is of an annular structure, the inner pipe is of a tubular structure with two open ends, the inner pipe is positioned on the inner side of the inner ring of the connecting ring and is connected with the inner ring of the connecting ring, the length of the inner pipe below the connecting ring is not zero and is formed into a connecting section;
the bottom air inlet pipe is vertically arranged at the bottom of the inner side of the upper tank body, and the connecting section is inserted into the primary hole;
The lower tank body is of a straight cylinder structure with the top and the bottom both sealed, the top of the lower tank body is provided with a splicing bulge, the splicing bulge is provided with an air inlet channel communicated with the inside of the lower tank body, the splicing bulge is matched with the secondary hole, the upper tank body is arranged at the top of the lower tank body, the splicing bulge is matched and inserted in the secondary hole, and the air inlet channel is communicated with the inner pipe;
the top cover is movably connected with the top of the upper tank body, the top of the top cover is provided with a sampling hole, a sensor connecting hole and an air outlet hole, the sampling hole is provided with a movable cover, and the outer side of the air outlet hole is connected with an air outlet connecting pipe;
The stirring motor is arranged on the cover body, a rotating shaft of the stirring motor extends into the upper tank body, and the protective cover is arranged on the periphery of the stirring motor;
The stirring rod is connected to a rotating shaft of the stirring motor, a gap is reserved between the bottom of the stirring rod and the top of the bottom air inlet pipe, more than one pair of stirring blades with the same structure are arranged on the periphery of the bottom of the stirring rod, each pair of stirring blades comprises an upturned stirring blade and a downturned stirring blade which are oppositely arranged, one ends of the upturned stirring blade and the downturned stirring blade are connected to the periphery of the bottom of the stirring rod, the other ends of the upturned stirring blade and the downturned stirring blade are arc-shaped, stirring holes are formed in one ends of the upturned stirring blade and the downturned stirring blade She Yuanhu, the upturned stirring blade She Xiangshang is bent and forms an included angle of 50-80 degrees with the vertical direction, and the downturned stirring blade She Xiangxia is bent and forms an included angle of 50-80 degrees with the vertical direction;
The cover body connecting pieces comprise screw rods and handles arranged at the tops of the screw rods, the bottoms of the screw rods penetrate through the cover body and extend into the side wall of the top of the upper tank body, and the screw rods are in threaded fit with the cover body and the side wall of the top of the upper tank body;
the open end of the outer tube is movably connected with the connecting ring through a threaded structure or a plug-and-pull structure.
2. The fast-filling anti-hardening high-stability composting degradation container of claim 1, wherein the periphery of the splicing bulge is provided with a sealing rubber ring, and the side wall of the upper tank body and the side wall of the lower tank body are made of transparent organic glass.
3. The fast-filling anti-hardening high-stability composting degradation container according to claim 1 or 2, wherein the upper tank body, the lower tank body, the primary hole, the secondary hole, the splicing protrusion and the air inlet channel are all concentrically arranged, the diameters of the upper tank body and the lower tank body are equal, and the height of the lower tank body is 1/4-1/2 of the height of the upper tank body.
4. The fast-filling anti-hardening high-stability composting degradation container according to claim 1 or 2, wherein the top of the outer side of the outer tube is provided with a hexagonal mounting block, and the connecting ring and the inner tube are of an integrated structure.
5. The rapid-filling anti-hardening high-stability compost degradation container as claimed in claim 4, wherein more than 4 rows of air holes are circumferentially uniformly distributed on the side wall of the outer tube, each row of air holes comprises more than 7 air holes uniformly distributed along the height direction, the connecting ring is of a circular ring structure, the inner tube and the outer tube are of circular tube structures, and the connecting ring, the inner tube and the outer tube are coaxially arranged.
6. The rapid-filling anti-hardening high-stability composting degradation container according to claim 1 or 2, wherein the protective cover comprises an upper cover body and a lower cover body, a first mounting hole is formed in the top cover, the stirring motor is positioned at the inner side of the first mounting hole, the top and the bottom of the stirring motor exceed the composting pot cover body, and a rotating shaft of the stirring motor is arranged at the center of the bottom of the stirring motor and is vertically downwards arranged;
The upper cover body is of a straight cylinder structure with a blocked top and an open bottom, the upper cover body covers the periphery of the stirring motor above the first mounting hole, the bottom of the upper cover body is provided with a first folded edge which is vertically folded outwards, and the first folded edge is connected with a compost tank cover body around the first mounting hole;
The lower cover body is of a straight cylinder structure with an open top and a blocked bottom, the lower cover body covers the periphery of the stirring motor below the first mounting hole, the top of the lower cover body is provided with a second folded edge which is vertically folded outwards, the second folded edge is connected with the compost tank cover body around the first mounting hole, and the bottom of the lower cover body is provided with a second mounting hole;
The baffle is connected in lower cover body bottom, is equipped with the third mounting hole on the baffle, and the bearing is installed in the third mounting hole inboard, and agitator motor's pivot passes second installation and bearing inner ring in proper order, wears out from the baffle bottom, and agitator motor's pivot is in the same place with the bearing inner ring.
7. The fast-filling anti-hardening high-stability compost degradation container of claim 6, wherein the aperture of the second mounting hole is larger than that of the third mounting hole, a step-shaped clamping boss is arranged at the bottom of the stirring motor, the clamping boss is positioned in the second mounting hole and is movably clamped with the bottom of the lower cover body, and the height of the clamping boss is not larger than the thickness of the bottom of the lower cover body and not larger than the depth of the second mounting hole.
8. The rapid-filling anti-hardening high-stability compost degradation container of claim 6, further comprising an upper sealing ring, a lower sealing ring and a buffer sealing ring, wherein an upper mounting groove is formed in the top of the top cover around the first mounting hole, a lower mounting groove is formed in the bottom of the top cover, the upper mounting groove and the lower mounting groove are annular, the upper sealing ring is arranged in the upper mounting groove and is tightly attached to the bottom of the first flanging, the lower sealing ring is arranged in the lower mounting groove and is tightly attached to the top of the second flanging, the buffer groove is formed in the upper surface of the baffle, and the buffer sealing ring is arranged in the buffer groove and is tightly attached to the bottom of the lower cover.
9. The rapid-filling anti-hardening high-stability compost degradation container of claim 6, wherein the rotating shaft of the stirring motor is made of 316 stainless steel, the upper cover body, the lower cover body and the baffle are made of aluminum alloy, the aperture of the first mounting hole, the inner diameter of the upper cover body and the inner diameter of the lower cover body are equal, and the upper cover body, the lower cover body, the bearing, the baffle, the first mounting hole, the second mounting hole and the third mounting hole are concentrically arranged.
10. The fast-filling anti-hardening high-stability composting degradation container of claim 1 or 2, wherein the top periphery of the upper tank body is provided with a first flange part, the bottom periphery of the upper tank body is provided with a second flange part, the first flange part and the second flange part are connected through more than three first connecting rods distributed along the periphery, the top periphery of the lower tank body is provided with a third flange part, the bottom periphery of the lower tank body is provided with a fourth flange part, and the third flange part and the fourth flange part are connected through more than three second connecting rods distributed along the periphery.
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| CN202210807688.9A CN115096742B (en) | 2022-07-11 | 2022-07-11 | A fast-filling, anti-caking, highly stable composting degradation container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN217901462U (en) * | 2022-07-11 | 2022-11-25 | 南京市产品质量监督检验院(南京市质量发展与先进技术应用研究院) | Anti-hardening high-stability compost degradation container capable of being filled rapidly |
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| US5543186A (en) * | 1993-02-17 | 1996-08-06 | E. Khashoggi Industries | Sealable liquid-tight, thin-walled containers made from hydraulically settable materials |
| DE202017105149U1 (en) * | 2017-08-28 | 2017-09-06 | Yixing City Xianglong Chemical Co., Ltd. | Reactor with dynamic and static mixing stirring |
| CN212942740U (en) * | 2020-04-19 | 2021-04-13 | 颍上县富信新型材料科技有限公司 | Stirring device for perforated brick raw materials |
| CN113713737B (en) * | 2021-08-31 | 2022-03-15 | 南京市产品质量监督检验院 | Multifunctional reaction device for biodegradation test |
| CN216236759U (en) * | 2021-11-24 | 2022-04-08 | 北京市华云分析仪器研究所有限公司 | Degradation tank for controlled compost |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN217901462U (en) * | 2022-07-11 | 2022-11-25 | 南京市产品质量监督检验院(南京市质量发展与先进技术应用研究院) | Anti-hardening high-stability compost degradation container capable of being filled rapidly |
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