CN211035734U - Double-deck canopy membrane structure slot type compost system - Google Patents
Double-deck canopy membrane structure slot type compost system Download PDFInfo
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- CN211035734U CN211035734U CN201921180167.5U CN201921180167U CN211035734U CN 211035734 U CN211035734 U CN 211035734U CN 201921180167 U CN201921180167 U CN 201921180167U CN 211035734 U CN211035734 U CN 211035734U
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Abstract
The utility model provides a double-deck canopy membrane structure slot type compost system belongs to compost system technical field. The double-layer shed film structure groove type composting system comprises a workshop, wherein at least one fermentation tank is arranged in the workshop, the system also comprises a circulating blast aeration unit, a deodorization unit and a water treatment unit, most of odor and water vapor in the workshop are removed through the circulating blast aeration unit, and heat in the workshop is recovered into materials in the fermentation tank, so that the fermentation of the materials is facilitated; residual odor and dust in the workshop are removed through a deodorization unit, so that no odor is discharged; meanwhile, wastewater generated in the deodorization process is treated and recycled through the water treatment unit, and wastewater-free discharge is realized.
Description
Technical Field
The utility model belongs to the technical field of the compost system, a double-deck canopy membrane structure slot type compost system is related to.
Background
The compost is one of important ways for realizing harmlessness, reduction and recycling of livestock and poultry breeding wastes. The tank type composting method has large treatment capacity and high automation degree, and is widely used. However, the conventional tank type composting workshop is not tightly closed at present, the composting process is greatly influenced by the external environment, the odor collection and treatment difficulty is high, and the wastewater generated in the production and deodorization processes is discharged randomly without being effectively treated, so that the environmental pollution is serious, and the normal life of surrounding residents is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-deck canopy membrane structure slot type compost system to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem that: how to realize zero discharge of odor and waste water in the composting process.
The purpose of the utility model can be realized by the following technical proposal:
a double-layer shed film structure groove type composting system comprises a workshop, wherein at least one fermentation tank is arranged in the workshop, and the double-layer shed film structure groove type composting system is characterized by further comprising a circulating blast aeration unit, a deodorization unit and a water treatment unit;
the circulating blast aeration unit comprises a gas collecting pipeline, a dehydrator, an air blower and an aeration pipeline, wherein the gas collecting pipeline is hung in the workshop, one end of the gas collecting pipeline extends to the outside of the workshop and is connected with a gas inlet of the dehydrator, a gas inlet of the air blower is connected with a gas outlet of the dehydrator, the aeration pipeline is arranged at the bottom of the fermentation tank, and one end of the aeration pipeline extends to the outside of the workshop and is connected with a gas outlet of the air blower;
the deodorization unit comprises a ventilation fan and a closed reaction chamber, the ventilation fan is arranged on a workshop and used for extracting odor in the workshop, the closed reaction chamber is arranged outside the workshop and connected with an air outlet of the ventilation fan, a spraying device and a water collecting device are arranged in the closed reaction chamber, the spraying device is used for deodorizing and dedusting the odor extracted by the ventilation fan, and the water collecting device is used for collecting wastewater after the spraying device deodorizes the odor;
the water treatment unit comprises a first drain pipe, a second drain pipe, a water collecting tank, an anoxic tank, an aerobic tank, a sedimentation tank and a reuse water tank which are arranged outside the workshop and are sequentially connected through pipelines; one end of the first drainage pipe is connected with a drainage port of the dehydrator, and the other end of the first drainage pipe is connected with the water collecting tank; one end of the second water drainage pipe is connected with the water collecting device, and the other end of the second water drainage pipe is connected with the water collecting pool; the aerobic tank is internally provided with a reflux pump, the aerobic tank is used for converting ammonia nitrogen in the wastewater into nitrate nitrogen, the reflux pump is used for pumping the water converted into the nitrate nitrogen by the aerobic tank into the anoxic tank, and a denitrification reaction is formed in the anoxic tank to convert the ammonia nitrogen in the wastewater into nitrogen; the sedimentation tank is used for settling sludge; the reuse water tank is used for pumping the treated water to the spraying device through a water pump.
When composting is carried out, a feeding end door and a discharging end door of a workshop are closed, a ventilation fan is closed at the same time, a dehydrator and an air blower of a circulating air blowing unit are started, odor, water vapor and heat released to the workshop by materials in a fermentation tank in the composting process are removed by the dehydrator through a gas collecting pipeline under the action of the air blower, and then the materials enter the materials in the fermentation tank through an aeration pipeline, so that heat recovery and most of odor removal are realized; starting a dehydrator and an air blower of a circulating air blowing unit, closing the dehydrator and the air blower after running for a certain time, simultaneously opening a feeding end door of a workshop and a ventilating fan and a spraying device of a deodorizing unit, injecting fresh air into the workshop, pumping the odor left in the workshop after the circulating air blowing unit is deodorized into a closed reaction chamber by the ventilating fan, and deodorizing and dedusting the extracted odor by the spraying device; starting the dehydrator and the blower of the circulating blowing unit and the ventilation fan and the spraying device of the deodorization unit to alternately operate, so that no odor emission can be realized; simultaneously, the waste water of dehydrator and water-collecting device is collected respectively through first drain pipe and second drain pipe to the water treatment unit, and the water loops through oxygen deficiency pond, good oxygen pond, sedimentation tank and removes ammonia, flows to the retrieval and utilization pond behind the sediment mud to waste water, and the water after the processing is extracted again and is carried out cyclic utilization to atomizer, realizes no waste water discharge.
Furthermore, the workshop comprises a floor, a wall body and a ceiling, wherein the lower end part of the wall body is connected with the floor, and the upper end part of the wall body is connected with the ceiling.
Preferably, the floor is a cement floor, the wall body and the ceiling both comprise an inner layer greenhouse film and an outer layer greenhouse film, and the greenhouse film is made of a non-dropping film. The non-dropping film can adsorb the water vapor close to the greenhouse film in the workshop to the surface of the film, form water drops and drip downwards, thereby eliminating fog in the workshop, reducing the relative humidity of air in the workshop, enhancing the illumination intensity in the irradiation workshop, and the double-layer film ceiling utilizes solar energy to heat and preserve heat for the workshop, thereby creating a favorable compost external environment.
As another example, the wall may be a brick-concrete structure or a steel structure. The concrete structure or the steel structure can effectively increase the structural strength of the wall body.
Furthermore, the part of the gas collecting pipeline, which is positioned in the workshop, is uniformly provided with openings for collecting water vapor, odor and heat generated in the composting process in the workshop.
Preferably, the gas collecting pipeline is a PVC pipe or a PE pipe.
Further, the aeration pipeline is a perforated PVC pipe or a PE pipe. Through punching, can utilize material self to get rid of the foul smell in the material of fermentation tank with the foul smell feedback that the gas collecting pipe collected, carry the material with oxygen simultaneously, be favorable to the material fermentation.
Furthermore, the spraying device comprises a plurality of spraying pipelines, a plurality of atomizing spray heads are arranged on the spraying pipelines, the spraying pipelines are connected with water delivery pipelines, and the water delivery pipelines penetrate through the closed reaction chamber, extend into the reuse water pool and are connected with the water pump. The water after deodorization and precipitation in the reuse water pool is conveyed to the spraying device through the water conveying pipeline for spraying by the water pump, so that water is recycled, and water resources are saved.
Further, the closed reaction chamber is built by brick-concrete structure or air-tight material.
As another embodiment, the closed reaction chamber may be provided with a discharge pipe for discharging the deodorized and dedusted gas.
Further, a medicine adding device is arranged on the water conveying pipeline and used for adding a deodorant to the water conveyed to the spraying device through the water conveying pipeline, and the deodorization effect of the deodorization unit is further enhanced.
Further, water-collecting device includes the pond, is used for collecting water spray device carries out the waste water after the deodorization of spraying, the bottom in pond is provided with the outlet, the one end fixed connection in outlet department of second outlet, the other end is connected in the catch basin.
Furthermore, the water treatment unit also comprises a third water drainage pipe, the third water drainage pipe comprises two vertical pipelines tightly attached to the inner wall of the wall body and a transverse pipeline positioned outside the workshop, the upper end of each vertical pipeline is slightly lower than the upper end of the wall body, the lower end of each vertical pipeline extends to the outside of the workshop and is connected with the same transverse pipeline, and the transverse pipelines are connected with the water collecting tank; the upper end of wall body still is provided with the water catch bowl, the one end and the wall body upper end looks parallel and level of water catch bowl, the other end of water catch bowl is connected with the upper end of vertical setting pipeline. The adsorbed steam of ceiling forms the water droplet, and the water droplet down flows to the water catch bowl along the ceiling inner wall in, because the water catch bowl is connected the one end of vertical setting pipeline and is slightly less than the other end, the water droplet can be smoothly along the third drain pipe flow in the catch basin, and then handles this part waste water.
Preferably, the third drain pipe is a PVC pipe or a PE pipe.
Furthermore, a sludge reflux pump and a sludge discharge pump are arranged at the bottom of the sedimentation tank, the sludge reflux pump is used for refluxing sludge in the sedimentation tank into the aerobic tank to ensure the concentration of the sludge in the aerobic tank, and the sludge discharge pump is used for discharging redundant sludge.
Further, an aeration disc is arranged at the bottom of the aerobic tank and used for providing oxygen for the water body in the aerobic tank.
The utility model has the advantages that:
1. firstly, most of odor and water vapor in a workshop are removed through a circulating air blast unit, and heat in the workshop is recovered into materials in a fermentation tank, so that the fermentation of the materials is facilitated; residual odor and dust in the workshop are removed through a deodorization unit, so that no odor is discharged; meanwhile, wastewater generated in the deodorization process is treated and recycled through the water treatment unit, and wastewater-free discharge is realized.
2. The workshop is set up to double-deck canopy membrane structure, can strengthen the illumination intensity of shining into in the workshop, and the double-deck membrane ceiling utilizes solar energy for workshop heating, heat preservation, has created favorable compost external environment.
Drawings
FIG. 1 is a schematic structural diagram of a trough composting system with a double-layer shed film structure.
In the figure, 1, a workshop; 2. a fermentation tank; 3. a gas collection conduit; 4. a dehydrator; 5. a blower; 6. an aeration pipe; 7. a ventilation fan; 8. a closed reaction chamber; 9. a first drain pipe; 10. a second drain pipe; 11. a water collecting tank; 12. an anoxic tank; 13. an aerobic tank; 14. a sedimentation tank; 15. a reuse water tank; 16. a reflux pump; 17. a floor; 18. a wall body; 19. a ceiling; 20. opening a hole; 21. a spray pipe; 22. an atomizing spray head; 23. a water delivery pipeline; 24. a discharge conduit; 25. a medicine adding device; 26. a third drain pipe; 27. a water collection tank; 28. a sludge reflux pump; 29. a sludge discharge pump; 30. an aeration disc.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figure 1, the double-layer shed film structure groove type composting system comprises a workshop 1, wherein at least one fermentation tank 2 is arranged in the workshop 1, and the double-layer shed film structure groove type composting system also comprises a circulating blast aeration unit, a deodorization unit and a water treatment unit;
the circulating blast aeration unit comprises a gas collecting pipeline 3, a dehydrator 4, an air blower 5 and an aeration pipeline 6, wherein the gas collecting pipeline 3 is hung in the workshop 1, one end of the gas collecting pipeline 3 extends to the outside of the workshop 1 and is connected with a gas inlet of the dehydrator 4, a gas inlet of the air blower 5 is connected with a gas outlet of the dehydrator 4, the aeration pipeline 6 is arranged at the bottom of the fermentation tank 2, and one end of the aeration pipeline 6 extends to the outside of the workshop 1 and is connected with a gas outlet of the air blower 5;
the deodorization unit comprises a ventilation fan 7 and a closed reaction chamber 8, the ventilation fan 7 is arranged on the workshop 1, the ventilation fan 7 is used for extracting odor in the workshop 1, the closed reaction chamber 8 is arranged outside the workshop 1 and is connected with an air outlet of the ventilation fan 7, a spraying device and a water collecting device are arranged in the closed reaction chamber 8, the spraying device is used for deodorizing and dedusting the odor extracted by the ventilation fan 7, and the water collecting device is used for collecting wastewater after the spraying device deodorizes the odor;
the water treatment unit comprises a first drain pipe 9, a second drain pipe 10, a water collecting tank 11, an anoxic tank 12, an aerobic tank 13, a sedimentation tank 14 and a reuse water tank 15 which are arranged outside the workshop 1 and are sequentially connected through pipelines; one end of the first drainage pipe 9 is connected with a drainage port of the dehydrator 4, and the other end is connected with the water collecting tank 11; one end of the second drain pipe 10 is connected with a water collecting device, and the other end is connected with a water collecting pool 11; a reflux pump 16 is arranged in the aerobic tank 13, the aerobic tank 13 is used for converting ammonia nitrogen in the wastewater into nitrate nitrogen, the reflux pump 16 is used for pumping the water converted into nitrate nitrogen in the aerobic tank 13 into the anoxic tank 12, and a denitrification reaction is formed in the anoxic tank 12 to convert the ammonia nitrogen in the wastewater into nitrogen; the sedimentation tank 14 is used for settling sludge; the reuse water tank 15 is used for pumping the treated water to the spraying device through a water pump.
The purification principle is as follows:
the nitration reaction formula is: NH4+ +2O2 → NO3- +2H + + H2O
The denitrification reaction formula is as follows: 6NO3- +5CH3OH + CO2 → 3N2+6HCO3- +7H2O
Or 6NO3- +5CH3OH → 3N2+6OH- +5CO2+7H2O
When composting is carried out, a feeding end door and a discharging end door of the workshop 1 are closed, a ventilation fan 7 is closed at the same time, a dehydrator 4 and an air blower 5 of a circulating air blowing unit are started, odor, water vapor and heat which are released to the workshop 1 by materials in the fermentation tank 2 in the composting process flow through the dehydrator 4 through a gas collecting pipeline 3 under the action of the air blower 5 to remove water, and then the odor, the water vapor and the heat enter the materials in the fermentation tank 2 through an aeration pipeline 6, so that heat recovery and most of odor removal are realized; starting a dehydrator 4 and an air blower 5 of a circulating air blowing unit, closing the dehydrator and the air blower 5 after running for a certain time, simultaneously opening a feeding end door of the workshop 1, a ventilating fan 7 and a spraying device of a deodorizing unit, injecting fresh air into the workshop 1, extracting odor left in the workshop 1 after the circulating air blowing unit is deodorized by the ventilating fan 7 into a closed reaction chamber 8, and deodorizing and dedusting the extracted odor by the spraying device; starting the dehydrator 4 and the blower 5 of the circulating blowing unit, the ventilating fan 7 of the deodorizing unit and the spraying device to alternately operate, so that no odor emission can be realized; meanwhile, the water treatment unit collects the wastewater of the dehydrator 4 and the water collecting device through the first drainage pipe 9 and the second drainage pipe 10 respectively, the water body sequentially passes through the anoxic tank 12, the aerobic tank 13 and the sedimentation tank 14 to remove ammonia and precipitate sludge from the wastewater and then flows to the reuse tank 15, and the treated water body is extracted to the spraying device for recycling, so that no wastewater is discharged.
The workshop 1 comprises a floor 17, a wall 18 and a ceiling 19; the lower end of the wall 18 is connected with the floor 17, and the upper end of the wall 18 is connected with the ceiling 19; the floor 17 is a cement floor 17, the wall 18 and the ceiling 19 both comprise an inner layer of shed film and an outer layer of shed film, and the shed film is made of a non-dropping film. The non-dropping film can adsorb the water vapor close to the greenhouse film in the workshop 1 to the surface of the film to form water drops to flow downwards, so that fog in the workshop 1 is eliminated, the relative humidity of the air in the workshop 1 is reduced, the illumination intensity of the illumination entering the workshop 1 is enhanced, and the double-layer film ceiling 19 utilizes solar energy to heat and preserve heat for the workshop 1, thereby creating a favorable compost external environment.
As another example, the wall 18 may be a brick and concrete structure or a steel structure. The concrete structure or the steel structure can effectively increase the structural strength of the wall body 18.
The part of the gas collecting pipe 3 in the workshop 1 is uniformly provided with openings 20 for collecting water vapor, odor and heat generated in the composting process in the workshop 1. Preferably, the gas collection pipe 3 is a PVC pipe or a PE pipe.
The aeration pipeline 6 is a perforated PVC pipe or a PE pipe. Through punching, can utilize material self to get rid of the foul smell in the material of fermentation tank 2 with the foul smell feedback that gas collecting pipeline 3 collected, carry the material with oxygen simultaneously in, be favorable to the material fermentation.
The spraying device comprises a plurality of spraying pipelines 21, a plurality of atomizing spray heads 22 are arranged on the spraying pipelines 21, the spraying pipelines are connected with water pipelines 23, and the water pipelines 23 penetrate through the closed reaction chamber 8 to extend into the reuse water pool 15 and are connected with a water pump. The water after deodorization and precipitation in the reuse water pool 15 is conveyed to the spraying device through the water conveying pipeline 23 by using the water pump for spraying, so that the water is recycled, and the water resource is saved.
The closed reaction chamber 8 is constructed of a brick-and-concrete structure or a gas impermeable material.
As another example, the closed reaction chamber 8 may be provided with a discharge pipe 24, and the discharge pipe 24 is used for discharging the deodorized and dedusted gas.
A doser 25 is arranged on the water pipeline 23, and the doser 25 is used for adding a deodorant into the water conveyed to the spraying device through the water pipeline 23, so that the deodorization effect of the deodorization unit is further enhanced.
The water collecting device comprises a water tank for collecting waste water after the spraying and deodorization of the spraying device, a water outlet is formed in the bottom of the water tank, one end of the second water outlet 10 is fixedly connected to the position of the water outlet, and the other end of the second water outlet is connected to the water collecting tank 11.
The water treatment unit further comprises a third water drainage pipe 26, the third water drainage pipe 26 comprises two vertical pipelines tightly attached to the inner wall of the wall 18 and a transverse pipeline positioned outside the workshop 1, the upper end of each vertical pipeline is slightly lower than the upper end of the wall 18, the lower end of each vertical pipeline extends to the outside of the workshop 1 and is connected with the same transverse pipeline, and the transverse pipelines are connected with the water collecting tank 11; the upper end of the wall body 18 is also provided with a water collecting tank 27, one end of the water collecting tank 27 is flush with the upper end of the wall body 18, and the other end of the water collecting tank 27 is connected with the upper end of the vertically arranged pipeline. The adsorbed steam of ceiling 19 forms the water droplet, and the water droplet is along ceiling 19 inner wall down to the water catch bowl 27 in, because the water catch bowl 27 is connected the one end of vertical setting pipeline and is slightly less than the other end, the water droplet can be smoothly along the third drain pipe 26 flow in the catch basin 11, and then handle this part waste water. Preferably, the third drain pipe 26 is a PVC pipe or a PE pipe.
The bottom of the sedimentation tank 14 is provided with a sludge return pump 2816 and a sludge discharge pump 29 (not shown in the figure), the sludge return pump 2816 is used for returning the sludge in the sedimentation tank 14 to the aerobic tank 13 to ensure the sludge concentration in the aerobic tank 13, and the sludge discharge pump 29 is used for discharging the excess sludge and recycling the sludge to the materials in the fermentation tank 2 for composting. The bottom of the aerobic tank 13 is provided with an aeration disc 30, and the aeration disc 30 is used for providing oxygen for the water in the aerobic tank 13.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A double-layer shed film structure groove type composting system comprises a workshop, wherein at least one fermentation tank is arranged in the workshop, and the double-layer shed film structure groove type composting system is characterized by further comprising a circulating blast aeration unit, a deodorization unit and a water treatment unit;
the circulating blast aeration unit comprises a gas collecting pipeline, a dehydrator, an air blower and an aeration pipeline, wherein the gas collecting pipeline is hung in the workshop, one end of the gas collecting pipeline extends to the outside of the workshop and is connected with a gas inlet of the dehydrator, a gas inlet of the air blower is connected with a gas outlet of the dehydrator, the aeration pipeline is arranged at the bottom of the fermentation tank, and one end of the aeration pipeline extends to the outside of the workshop and is connected with a gas outlet of the air blower;
the deodorization unit comprises a ventilation fan and a closed reaction chamber, the ventilation fan is arranged on a workshop and used for extracting odor in the workshop, the closed reaction chamber is arranged outside the workshop and connected with an air outlet of the ventilation fan, a spraying device and a water collecting device are arranged in the closed reaction chamber, the spraying device is used for deodorizing and dedusting the odor extracted by the ventilation fan, and the water collecting device is used for collecting wastewater after the spraying device deodorizes the odor;
the water treatment unit comprises a first drain pipe, a second drain pipe, a water collecting tank, an anoxic tank, an aerobic tank, a sedimentation tank and a reuse water tank which are arranged outside the workshop and are sequentially connected through pipelines; one end of the first drainage pipe is connected with a drainage port of the dehydrator, and the other end of the first drainage pipe is connected with the water collecting tank; one end of the second water drainage pipe is connected with the water collecting device, and the other end of the second water drainage pipe is connected with the water collecting pool; the aerobic tank is internally provided with a reflux pump, the aerobic tank is used for converting ammonia nitrogen in the wastewater into nitrate nitrogen, the reflux pump is used for pumping the water converted into the nitrate nitrogen by the aerobic tank into the anoxic tank, and a denitrification reaction is formed in the anoxic tank to convert the ammonia nitrogen in the wastewater into nitrogen; the sedimentation tank is used for settling sludge; the reuse water tank is used for pumping the treated water to the spraying device through a water pump.
2. The double-layer shed film structure trough composting system of claim 1, wherein: the workshop is including floor, wall body and ceiling, the lower tip of wall body is connected with the floor, and the upper end of wall body is connected with the ceiling, the floor is the cement floor, wall body and ceiling all include inlayer canopy membrane and outer canopy membrane, canopy membrane material is the dripless membrane.
3. The double-layer shed film structure trough composting system of claim 1, wherein: the part of the gas collecting pipeline, which is positioned in the workshop, is uniformly provided with openings for collecting water vapor, odor and heat generated in the composting process in the workshop, and the gas collecting pipeline is a PVC pipe or a PE pipe; the aeration pipeline is a perforated PVC pipe or a PE pipe.
4. The double-layer shed film structure trough composting system of claim 1, wherein: the spraying device comprises a plurality of spraying pipelines, a plurality of atomizing spray heads are arranged on the spraying pipelines, the spraying pipelines are connected with water delivery pipelines, and the water delivery pipelines penetrate through the closed reaction chamber, extend into the reuse water pool and are connected with the water pump.
5. The double-layer shed film structure trough composting system of claim 1, wherein: the closed reaction chamber is built by a brick-concrete structure or an airtight material.
6. The double-layer shed film structure trough composting system of claim 4 wherein: the water pipe is provided with a medicine feeder, and the medicine feeder is used for adding a deodorant into water conveyed to the spraying device through the water pipe, so that the deodorization effect of the deodorization unit is further enhanced.
7. The double-layer shed film structure trough composting system of claim 1, wherein: the water collecting device comprises a water tank for collecting the waste water after the spraying and deodorizing of the spraying device, a water outlet is formed in the bottom of the water tank, one end of the second water outlet is fixedly connected to the water outlet, and the other end of the second water outlet is connected to the water collecting tank.
8. The double-layer shed film structure trough composting system of claim 1, wherein: the water treatment unit further comprises a third water drainage pipe, the third water drainage pipe comprises two vertical pipelines tightly attached to the inner wall of the wall body and a transverse pipeline positioned outside the workshop, the upper end of each vertical pipeline is slightly lower than the upper end of the wall body, the lower end of each vertical pipeline extends to the outside of the workshop and is connected with the same transverse pipeline, and the transverse pipeline is connected with the water collecting tank; the upper end of wall body still is provided with the water catch bowl, the one end and the wall body upper end looks parallel and level of water catch bowl, the other end of water catch bowl is connected with the upper end of vertical pipeline.
9. The double-layer shed film structure trough composting system of claim 1, wherein: the bottom of sedimentation tank is provided with mud backwash pump and sludge discharge pump, the mud backwash pump is arranged in with the mud backward flow in the sedimentation tank in the good oxygen pond, guarantees the mud concentration in the good oxygen pond, the sludge discharge pump is used for discharging unnecessary mud.
10. The double-layer shed film structure trough composting system of claim 1, wherein: and an aeration disc is arranged at the bottom of the aerobic tank and used for providing oxygen for the water body in the aerobic tank.
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| CN201921180167.5U CN211035734U (en) | 2019-07-25 | 2019-07-25 | Double-deck canopy membrane structure slot type compost system |
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| CN201921180167.5U CN211035734U (en) | 2019-07-25 | 2019-07-25 | Double-deck canopy membrane structure slot type compost system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386837A (en) * | 2019-07-25 | 2019-10-29 | 温氏食品集团股份有限公司 | A kind of bilayer canopy film structure slot type compositing system |
| CN114426439A (en) * | 2022-01-19 | 2022-05-03 | 兰州交通大学 | Composting and deodorizing integrated equipment and method by utilizing wormcast and plants |
-
2019
- 2019-07-25 CN CN201921180167.5U patent/CN211035734U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386837A (en) * | 2019-07-25 | 2019-10-29 | 温氏食品集团股份有限公司 | A kind of bilayer canopy film structure slot type compositing system |
| CN114426439A (en) * | 2022-01-19 | 2022-05-03 | 兰州交通大学 | Composting and deodorizing integrated equipment and method by utilizing wormcast and plants |
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