CN221155922U - Composting field waste gas treatment system - Google Patents
Composting field waste gas treatment system Download PDFInfo
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- CN221155922U CN221155922U CN202322714419.0U CN202322714419U CN221155922U CN 221155922 U CN221155922 U CN 221155922U CN 202322714419 U CN202322714419 U CN 202322714419U CN 221155922 U CN221155922 U CN 221155922U
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- waste gas
- exhaust
- gas treatment
- tower body
- spray
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- 239000002912 waste gas Substances 0.000 title claims abstract description 52
- 238000009264 composting Methods 0.000 title claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 30
- 230000003197 catalytic effect Effects 0.000 claims abstract description 24
- 230000003647 oxidation Effects 0.000 claims abstract description 24
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 24
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000004332 deodorization Methods 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 5
- 231100000719 pollutant Toxicity 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 241000282326 Felis catus Species 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010170 biological method Methods 0.000 abstract description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000010963 304 stainless steel Substances 0.000 description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical class [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a composting field waste gas treatment system which comprises a waste gas collection system and a waste gas treatment tower, wherein the waste gas treatment tower comprises a tower body, and a spray sedimentation chamber, microwave catalytic oxidation equipment and an exhaust system which are sequentially distributed from bottom to top in the tower body; the waste gas collecting system is hoisted at the top of the composting site and used for forming a ventilation channel to guide waste gas in the composting site into a spray sedimentation chamber at the bottom of the waste gas treatment tower; the top of the spray sedimentation chamber is provided with a spray system which is used for releasing liquid, the liquid is contacted with granular pollutants in the waste gas and then subjected to gas-solid separation, and the waste gas after the gas-solid separation enters the microwave catalytic oxidation equipment for deodorization; and the exhaust system is provided with ventilation fans at air outlet positions at two sides of the top of the tower body, and is used for exhausting the deodorized gas of the microwave catalytic oxidation equipment outwards. The utility model reduces the occupied area of the equipment and solves the problem of high operation cost of the biological method.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment system for a composting site.
Background
A large amount of malodorous gas can be generated in the production process of the organic fertilizer, and certain temperature, humidity and dust can be generated in the fermentation production process. The odor mainly comes from fecal fermentation, wherein the amount of waste gas in the turning fermentation stage is large, and the odor mainly comes into sulfur compounds (sulfur dioxide, hydrogen sulfide, methyl mercaptan, methyl sulfide and the like) and ammonia nitrogen compounds (ammonia, methane and the like), which cause great harm to the environment. Ammonia, hydrogen sulfide, methane and the like in the odor can cause odor diffusion and harm to human health if not treated in time, and do not accord with the green and healthy development concept of China.
At present, a large amount of composting sites adopt biological methods for deodorization, and the deodorizing is collected and treated uniformly by a centrifugal fan. Because of the large air volume and high concentration in the composting site, the method has the following problems: 1. the biological method has the pretreatment procedures of acid washing, alkali washing and the like, and simultaneously has the facilities of a ventilating duct, a centrifugal fan and the like, so the one-time investment cost is very high; 2. the acid and alkali agents and other agents are continuously added, and meanwhile, the wind resistance of the treatment system is very high, so that the air pressure requirement of the centrifugal fan is very high, and the operation cost is high; 3. odor molecules which are insoluble in water and have high flow rate cannot be subjected to biochemical reaction in a short time, but are directly discharged, so that the treatment efficiency is low; 4. biological methods such as pH value and temperature abnormality can lead to the failure of virtuous circle of biological bacteria, so that the whole system is unstable in operation; 5. the large volume of the composting site results in large exhaust emission, and if the composting site is designed according to the standard ventilation times, the investment and operation cost cannot be borne by composting enterprises, so that most biological methods cannot realize complete collection at present.
Disclosure of Invention
The utility model aims to: the utility model aims to overcome the defects of the prior art, provides a waste gas treatment system for a composting site, reduces the occupied area of equipment and solves the problem of high operation cost of a biological method.
The technical scheme is as follows: the utility model relates to a waste gas treatment system of a composting field, which comprises a waste gas collection system and a waste gas treatment tower, wherein the waste gas treatment tower comprises a tower body, and a spray sedimentation chamber, microwave catalytic oxidation equipment and an exhaust system which are sequentially distributed from bottom to top in the tower body; the waste gas collecting system is hoisted at the top of the composting site and used for forming a ventilation channel to guide waste gas in the composting site into a spray sedimentation chamber at the bottom of the waste gas treatment tower; the top of the spray sedimentation chamber is provided with a spray system which is used for releasing liquid, the liquid is contacted with granular pollutants in the waste gas and then subjected to gas-solid separation, and the waste gas after the gas-solid separation enters the microwave catalytic oxidation equipment for deodorization; and the exhaust system is provided with ventilation fans at air outlet positions at two sides of the top of the tower body, and is used for exhausting the deodorized gas of the microwave catalytic oxidation equipment outwards.
Further perfecting the technical scheme, exhaust gas collection system includes indoor air supply fan, roof gas-collecting channel and air pipe, indoor air supply fan is array arrangement along the compost field top, the air intake of roof gas-collecting channel corresponds indoor air supply fan carries the low reaches of air supply direction, the air outlet of roof gas-collecting channel pass through air pipe with tower body bottom intercommunication.
Further, the spraying system comprises a main pipeline and a plurality of branch pipelines communicated with the main pipeline, the main pipeline is arranged along the length direction of the top of the spraying sedimentation chamber, the branch pipelines are distributed on two sides of the main conveying pipe, the branch pipelines on each side are distributed at intervals, and spraying ports are formed in the branch pipelines at intervals to release liquid.
Further, the microwave catalytic oxidation equipment comprises a microwave module, an electric control module, a stepless lamp and a self-cleaning spray head group, wherein a lamp box guide rail is arranged at the position of a tower body where the microwave catalytic oxidation equipment is located, lamp boxes are arranged on two sides of the tower body through the lamp box guide rail, the stepless lamp is arranged in the lamp boxes, a cavity for containing waste gas is formed by installing the microwave module and the electric control module in a sealing mode, the self-cleaning spray head group is arranged at the top of the cavity, and the self-cleaning spray head group is used for flushing the stepless lamp in the lamp boxes.
Further, the bottom of the spray sedimentation chamber is an integrated water tank, the integrated water tank is connected with two paths of spray pipelines through a water pump, one path of spray pipeline is communicated with a main pipeline of the spray system, and the other path of spray pipeline is communicated with the self-cleaning spray head group.
Further, the integrated water tank is provided with an overflow port and a water outlet, and the water outlet is communicated with the water treatment equipment.
Further, an observation window is arranged on the cavity.
Further, the exhaust system is composed of 10 1060 heavy hammer fans.
Further, the tower body is provided with a cat ladder, the cat ladder can reach the exhaust system from the bottom of the tower body to the microwave catalytic oxidation equipment in the middle of the tower body to the top, and the cat ladder is provided with an overhaul platform along the exhaust system.
Further, the lamp box guide rail comprises a support frame, an upper rail bottom support, a lower rail bottom support and a plurality of pairs of bottom rails, wherein the bottom end of the support frame extends to the bottom plate in the tower body, the upper rail bottom support and the lower rail bottom support are arranged up and down in the support frame, the plurality of pairs of bottom rails are distributed on the upper rail support and the lower rail bottom support side by side, and each pair of bottom rails are oppositely arranged to form two entering rails of the two sides of the tower body.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: according to the utility model, the waste gas collecting system is hoisted at the top of the composting site to collect waste gas, the collected waste gas enters the waste gas treatment tower, and the waste gas treatment tower is provided with the spray settling chamber, the microwave catalytic oxidation equipment and the exhaust system to treat the waste gas, so that the occupied area of the equipment is greatly reduced, the investment cost of waste gas treatment is reduced, the operation energy consumption and the operation and maintenance cost are reduced, the waste gas can stably operate in a severe environment (without being influenced by PH, humidity and temperature), the deodorizing effect is excellent, and the national and local related emission standards are reached.
The utility model solves the problem of high one-time investment cost of the biological method, solves the problem of high operation cost of the biological method, solves the problem of low treatment efficiency of the biological method, solves the problem of unstable operation of a biological method system, and solves the problem that the biological method cannot realize complete collection in a composting field.
Drawings
FIG. 1 is a front view of a composting site exhaust treatment system of the present utility model;
FIG. 2 is a side view of the exhaust collection system conduit opening of the present utility model;
FIG. 3 is a top view of the exhaust collection system duct opening of the present utility model;
FIG. 4 is a top view of an exhaust gas treatment tower of the present utility model;
FIG. 5 is a front view of an exhaust gas treatment tower according to the present utility model;
FIG. 6 is a side view of an exhaust treatment tower of the present utility model;
FIG. 7 is a layout of a spray system of the present utility model;
FIG. 8 is a schematic view of a light box rail in the present utility model;
FIG. 9 is a schematic illustration of the connection of the bottom rail to the rail bottom support in the present utility model;
FIG. 10 is a schematic view of a lamp box according to the present utility model;
Fig. 11 is a schematic structural view of a microwave module and an electric control module in the present utility model.
Detailed Description
The technical scheme of the utility model is described in detail below through the drawings, but the protection scope of the utility model is not limited to the embodiments.
Example 1: the utility model provides a composting site waste gas treatment system which comprises a waste gas collection system 50 and a waste gas treatment tower, wherein the waste gas treatment tower comprises a tower body 60, a spray sedimentation chamber 10, a microwave catalytic oxidation deodorization device 20 and an exhaust system 30 which are sequentially distributed from bottom to top in the tower body.
1. System architecture
The system is divided into five parts: the system comprises an exhaust gas collecting system 50, a tower body 60, a spray settling chamber 10, a microwave catalytic oxidation deodorization device 20 and an exhaust system 30.
1. Exhaust gas collection system: as shown in fig. 1 to 4, the exhaust gas collection system 50 is composed of an indoor air supply fan 501, a roof gas collecting hood 502 and a ventilation duct 503, the indoor air supply fans 501 are arranged in an array along the top of the composting site, the air inlet of the roof gas collecting hood 502 corresponds to the downstream of the air supply fan 501 in the air conveying direction, and the air outlet of the roof gas collecting hood 502 is communicated with the bottom of the tower body 60 through the ventilation duct 503.
2. Spray settling chamber: the spray sedimentation chamber consists of an integrated water tank 101, a water pump 102, a spray pipeline and a spray system 105. As shown in fig. 7, the spraying system 105 comprises a main pipe 1051 and a plurality of branch pipes 1053 communicated with the main pipe 1051, wherein the main pipe 1051 is arranged along the length direction of the top of the spraying sedimentation chamber, the branch pipes 1053 are distributed on two sides of the main conveying pipe, the branch pipes 1053 on each side are distributed at intervals, and spraying ports are arranged on the branch pipes 1053 at intervals for releasing liquid; the integrated water tank 101 is connected with two spray pipelines through a water pump 102, one spray pipeline is communicated with a main pipeline 1051 of a spray system, and the other spray pipeline is communicated with a self-cleaning spray head group of the microwave catalytic oxidation deodorization equipment. The integrated water tank 101 is provided with a drain 103 and an overflow 104, and when the water level is too high, excess water is discharged through the overflow 104, and when it is necessary to drain or clean the water tank, waste water is discharged from the drain 103 below.
3. Microwave catalytic oxidation deodorization equipment: the microwave catalytic oxidation deodorization equipment consists of a microwave module 202, an electric control module, a stepless lamp, a self-cleaning spray head group 203, a lamp box guide rail, a waste gas cavity and an observation window 204. As shown in fig. 8 to 11, the light box guide rail comprises a supporting frame 704, an upper rail bottom support 7022, a lower rail bottom support 7021 and a plurality of pairs of bottom rails 701, wherein the bottom end of the supporting frame 704 extends to the bottom plate in the tower body, the upper rail bottom support 7022 and the lower rail bottom support 7021 are arranged up and down in the supporting frame 704, the plurality of pairs of bottom rails 701 are distributed on the upper rail bottom support 7022 and the lower rail bottom support 7021 side by side, each pair of bottom rails 701 are oppositely arranged to form two light boxes which enter the rails from two sides of the tower body, the light boxes are arranged from two sides of the tower body through the light box guide rail, a stepless light is arranged in the light boxes, a microwave module and an electric control module are arranged outside the light boxes and then sealed to form a cavity for containing waste gas, and the microwave module and the electric control module form an integrated structure through a cabinet 201, as shown in fig. 11; the top of the cavity is provided with a self-cleaning spray head group 203, and the self-cleaning spray head group 203 is used for flushing the stepless lamp in the lamp box.
4. Exhaust system 30: consists of 10 1060 heavy hammer fans 301.
5. The tower body comprises: the tower body is 304 stainless steel casing, and the outside is equipped with cat ladder 401, and cat ladder 401 top is formed with maintenance platform 402, and tower body bottom, top all are equipped with the manhole.
2. Technical principle:
1. The waste gas collecting system 50 is characterized in that the indoor air supply fan 501 is hung at the top of a factory building, fresh air is supplied from the outside, the air quantity is increased step by step, negative pressure exists in the room, tunnel ventilation is formed, indoor waste gas is enabled to be blown to the position of the gas collecting hood completely, and the waste gas passes through the roof gas collecting hood and the ventilating duct to enter the spray settling chamber, so that the collecting rate is guaranteed by the waste gas collecting system.
2. The spray settling chamber utilizes the granular pollutants in the air flow to contact with the liquid, and then the liquid drops or the liquid film are diffused and attached to the particles in the air flow or moistened on the particles, so that the particles can be separated and removed under the actions of gravity, inertia and the like; the gaseous pollutant is transferred to the liquid by mass transfer such as flocculation molecular diffusion and chemical reaction, and the chemical substance can be added into the liquid to control the odor in absorption mode. The liquid is sprayed out by the spraying system, and the water discharged from the overflow port and the water outlet is discharged to water treatment equipment for treatment and then discharged.
3. The microwave catalytic oxidation equipment utilizes microwave photo-oxygen synergistic catalysis to crack and oxidize organic molecules under the synergistic action of microwaves, ultraviolet light and ozone, so as to achieve the purpose of thoroughly deodorizing. The functional principle of the microwave catalytic oxidation device is disclosed in patent CN217746508U.
4. The exhaust system can pump the treatment cavity into negative pressure, so that smooth exhaust of the system is ensured, and the shutter arranged at the air outlet of the fan can prevent rainwater from entering the system.
5. The top of the tower body is integrated with an exhaust system, and an air outlet of the exhaust system is arranged on the side surface of the tower body, so that rainwater can be prevented from flowing backwards; the maintenance platform is convenient for maintenance personnel to maintain the equipment; the manhole cover plate is transparent, is convenient to observe, and is convenient for personnel to enter and detect exhaust conditions, safety and the like during maintenance.
The utility model integrates the spray settling chamber, the microwave catalytic oxidation deodorization equipment and the exhaust system into the tower body, thereby greatly reducing the material consumption of 304 stainless steel in the waste gas treatment tower; the unblocked exhaust is realized by utilizing the structural effect of the tower body, so that the energy consumption is reduced; the whole tower body is welded by 304 stainless steel, the lamp tube is a stepless lamp, and the whole system is high-temperature resistant, high-humidity resistant, corrosion resistant and stable in operation; the spraying system is not filled with filler, so that the wind resistance is small, the use of a centrifugal fan is avoided, and the cost is reduced.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A composting site waste gas treatment system, characterized in that: the device comprises an exhaust gas collecting system and an exhaust gas treatment tower, wherein the exhaust gas treatment tower comprises a tower body, a spray sedimentation chamber, microwave catalytic oxidation equipment and an exhaust system which are sequentially distributed from bottom to top in the tower body;
The waste gas collecting system is hoisted at the top of the composting site and used for forming a ventilation channel to guide waste gas in the composting site into a spray sedimentation chamber at the bottom of the waste gas treatment tower;
The top of the spray sedimentation chamber is provided with a spray system which is used for releasing liquid, the liquid is contacted with granular pollutants in the waste gas and then subjected to gas-solid separation, and the waste gas after the gas-solid separation enters the microwave catalytic oxidation equipment for deodorization; and the exhaust system is provided with ventilation fans at air outlet positions at two sides of the top of the tower body, and is used for exhausting the deodorized gas of the microwave catalytic oxidation equipment outwards.
2. The composting site exhaust-gas treatment system of claim 1 wherein: the waste gas collection system comprises an indoor air supply fan, a roof gas collecting hood and a ventilating duct, wherein the indoor air supply fan is arranged in an array along the top of a composting site, an air inlet of the roof gas collecting hood corresponds to the downstream of the air supply direction of the indoor air supply fan, and an air outlet of the roof gas collecting hood is communicated with the bottom of the tower body through the ventilating duct.
3. The composting site exhaust-gas treatment system of claim 1 wherein: the spraying system comprises a main pipeline and a plurality of branch pipelines communicated with the main pipeline, wherein the main pipeline is arranged along the length direction of the top of the spraying sedimentation chamber, the branch pipelines are distributed on two sides of the main conveying pipe, the branch pipelines on each side are distributed at intervals, and spraying ports are formed in the branch pipelines at intervals and used for releasing liquid.
4. A composting site exhaust-gas treatment system as claimed in claim 3 wherein: the microwave catalytic oxidation equipment comprises a microwave module, an electric control module, a stepless lamp and a self-cleaning spray head group, wherein a lamp box guide rail is arranged at the position of a tower body where the microwave catalytic oxidation equipment is located, lamp boxes are arranged on two sides of the tower body through the lamp box guide rail, the stepless lamp is arranged in the lamp boxes, a cavity for accommodating waste gas is formed by sealing the microwave module and the electric control module after the lamp boxes are arranged outside the lamp boxes, and the self-cleaning spray head group is arranged at the top of the cavity and used for flushing the stepless lamp in the lamp boxes.
5. The composting site exhaust-gas treatment system of claim 4 wherein: the bottom of the spray sedimentation chamber is an integrated water tank, the integrated water tank is connected with two spray pipelines through a water pump, one spray pipeline is communicated with a main pipeline of the spray system, and the other spray pipeline is communicated with the self-cleaning spray head group.
6. The composting site exhaust-gas treatment system of claim 5 wherein: the integrated water tank is provided with an overflow port and a water outlet, and the water outlet is communicated with water treatment equipment.
7. The composting site exhaust-gas treatment system of claim 4 wherein: and an observation window is arranged on the cavity.
8. The composting site exhaust-gas treatment system of claim 1 wherein: the exhaust system consists of 10 1060 heavy hammer fans.
9. The composting site exhaust-gas treatment system of claim 1 wherein: the tower body is equipped with the cat ladder, the cat ladder can reach the exhaust system of microwave catalytic oxidation equipment at tower body middle part to the top by the tower body bottom, just the cat ladder is formed with the maintenance platform along exhaust system.
10. The composting site exhaust-gas treatment system of claim 4 wherein: the lamp box guide rail comprises a support frame, an upper rail bottom support, a lower rail bottom support and a plurality of pairs of bottom rails, wherein the bottom end of the support frame extends to a bottom plate in the tower body, the upper rail bottom support and the lower rail bottom support are arranged up and down in the support frame, the plurality of pairs of bottom rails are distributed on the upper rail support and the lower rail bottom support side by side, and each pair of bottom rails are oppositely arranged to form two entering rails of two sides of the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322714419.0U CN221155922U (en) | 2023-10-10 | 2023-10-10 | Composting field waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322714419.0U CN221155922U (en) | 2023-10-10 | 2023-10-10 | Composting field waste gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221155922U true CN221155922U (en) | 2024-06-18 |
Family
ID=91537689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322714419.0U Active CN221155922U (en) | 2023-10-10 | 2023-10-10 | Composting field waste gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221155922U (en) |
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2023
- 2023-10-10 CN CN202322714419.0U patent/CN221155922U/en active Active
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