CN211688730U - Kitchen biogas slurry wastewater treatment device - Google Patents
Kitchen biogas slurry wastewater treatment device Download PDFInfo
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- CN211688730U CN211688730U CN202020156435.6U CN202020156435U CN211688730U CN 211688730 U CN211688730 U CN 211688730U CN 202020156435 U CN202020156435 U CN 202020156435U CN 211688730 U CN211688730 U CN 211688730U
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Abstract
The utility model relates to a kitchen biogas slurry wastewater treatment device, which comprises a sewage treatment unit, wherein the sewage treatment unit is sequentially divided into a first membrane pool, a first aerobic pool, an anoxic pool, a second aerobic pool and a second membrane pool by partition plates; the bottoms of the first membrane pool and the second membrane pool are both provided with water inlets, and the water inlets are connected with automatic control switches of electromagnetic valves; the first membrane pool and the second membrane pool are communicated through a transmission pipeline, and a sewage pump is arranged on the transmission pipeline; membrane assemblies are arranged in the first membrane pool and the second membrane pool, and the membrane assemblies are connected with a water outlet pump through a water outlet pipeline; aeration discs are arranged at the bottoms of the first membrane tank, the second membrane tank, the first aerobic tank and the second aerobic tank, the aeration discs are connected with an aeration pipeline, and an aeration pump is arranged on the aeration pipeline; the partition board is provided with a communicating port, and the communicating port is provided with a grid. The utility model discloses can be used for kitchen cabinet natural pond liquid waste water treatment, structure scientific and reasonable, preparation convenient to use, reaction efficiency is high, practices thrift the cost.
Description
Technical Field
The utility model relates to a waste water treatment device especially relates to a meal kitchen natural pond liquid effluent treatment plant.
Background
With the rapid development of economy and the continuous improvement of living standard, the quantity of kitchen waste in China is more and more, and the trend is rapidly rising. The concentrated slurry in the kitchen waste is subjected to high-temperature or medium-temperature anaerobic fermentation to generate the biogas slurry, the biogas slurry contains rich nutrient elements necessary for agricultural production, and can be used for planting plants such as crops, fruit trees, vegetables, flowers and economic crops, but the biogas slurry has high ammonia nitrogen, high chemical oxygen demand, high suspended solids and low C/N, so that the subsequent conventional biochemical treatment is extremely difficult to reach the standard, the biogas slurry treatment is not up to the standard, is extremely easy to rot and deteriorate, emits stink, spreads bacteria and viruses, has serious pollution to the environment, and even threatens the health of human beings.
The existing kitchen biogas slurry wastewater treatment equipment is complex in structure, low in treatment efficiency and expensive in manufacturing and using cost. Therefore, a kitchen biogas slurry wastewater treatment device is needed, which can realize the purposes of high speed of separating mud from water, good quality of effluent water, high reaction efficiency, use cost saving and economic benefit improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a kitchen natural pond liquid effluent treatment plant of structure scientific and reasonable, preparation convenient to use, reaction efficiency height, cost saving.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a kitchen biogas slurry wastewater treatment device comprises a sewage treatment unit, wherein the sewage treatment unit is sequentially divided into a first membrane pool, a first aerobic pool, an anoxic pool, a second aerobic pool and a second membrane pool through partition plates; the bottoms of the first membrane pool and the second membrane pool are both provided with water inlets, and the water inlets are connected with automatic control switches of electromagnetic valves; the first membrane pool and the second membrane pool are communicated through a transmission pipeline, and a sewage pump is arranged on the transmission pipeline; membrane assemblies are arranged in the first membrane pool and the second membrane pool, and the membrane assemblies are connected with a water outlet pump through a water outlet pipeline; the aeration device is characterized in that aeration discs are arranged at the bottoms of the first membrane pool, the second membrane pool, the first aerobic pool and the second aerobic pool, the aeration discs are connected with an aeration pipeline, and an aeration pump is arranged on the aeration pipeline.
As above a meal kitchen natural pond liquid effluent treatment plant, the baffle on be equipped with the intercommunication mouth, the intercommunication mouth be equipped with the graticule mesh, the setting of intercommunication mouth and graticule mesh is convenient for feed through two adjacent reaction tanks, it is more convenient to make and use to prevent that each pond from packing to run off, improve reaction efficiency, ensure the reaction effect.
According to the kitchen biogas slurry wastewater treatment device, the powdery active carbon filler is arranged in the first membrane pool and the second membrane pool, the arrangement of the powdery active carbon filler is convenient for ensuring sufficient carbon source in the membrane pool, and the denitrification reaction is rapid.
According to the kitchen biogas slurry wastewater treatment device, the first aerobic tank and the second aerobic tank are respectively provided with the light porous filler, the arrangement of the light porous filler is convenient for ensuring that the sludge concentration and the sludge activity in the aerobic tank are higher, so that carbonization reaction and short-range nitration reaction are carried out, a large amount of COD is removed, and ammonia nitrogen is converted into nitrite nitrogen.
According to the kitchen biogas slurry wastewater treatment device, the elastic filler is arranged in the anoxic tank, the elastic filler is arranged to facilitate formation of more anoxic environments in the anoxic tank, so that facultative anaerobic denitrifying bacteria with high concentration grow, nitrite nitrogen can effectively perform denitrification reaction under the action of the denitrifying bacteria, nitrogen is discharged, and part of the nitrite nitrogen is removed.
According to the kitchen biogas slurry wastewater treatment device, the tank wall outside the treatment unit is made of the heat insulation material, the water heater is arranged in the treatment unit, the heat insulation material and the water heater are arranged, so that the temperature of the biogas slurry effluent after anaerobic fermentation can be kept at 35 ℃, the temperature requirement of a short-cut nitrification and denitrification system is met, and good conditions are provided for a short-cut nitrification and denitrification operation body; and the alternative operation mode of the first membrane tank and the second membrane tank is utilized, so that the return flow of the nitrifying liquid can be reduced under the condition of meeting the effluent quality, the energy consumption in the operation process is reduced, the cost is saved, and the economic benefit is higher.
According to the kitchen biogas slurry wastewater treatment device, the water outlet pipeline and the aeration pipeline are respectively provided with the electromagnetic valve automatic control switch, the electromagnetic valve automatic control switch is convenient to control and is more reliable, and the kitchen biogas slurry wastewater treatment device is more convenient to manufacture and use.
According to the kitchen biogas slurry wastewater treatment device, the electromagnetic valve automatic control switch, the water outlet pump, the aeration pump and the sewage pump are automatically controlled by the programmable PLC device, and when the kitchen biogas slurry wastewater treatment device is used, biogas slurry enters the first membrane tank from the water inlet and is fully mixed with water in the first membrane tank to perform denitrification reaction; then the sewage enters a first aerobic tank through a communication port on a partition plate, the temperature in the first aerobic tank is about 30-35 ℃, the sludge concentration and the sludge activity are both high, the biogas slurry is subjected to carbonization reaction and short-range nitration reaction, a large amount of COD (chemical oxygen demand) in the sewage is removed, ammonia nitrogen is converted into nitrite nitrogen, the biogas slurry contains a part of organic carbon source and a large amount of nitrite nitrogen, the nitrite nitrogen is subjected to denitrification reaction under the action of denitrifying bacteria, nitrogen is discharged, and a part of nitrite nitrogen is removed; then the sewage enters an anoxic tank, the temperature in the anoxic tank is proper, the dissolved oxygen is controlled to be below 0.5mg/L, the sludge concentration is higher, the number of microorganisms is further increased under the action of elastic fillers in the anoxic tank, high-concentration denitrifying bacteria in the anoxic tank use the residual organic carbon in the sewage as a carbon source, the denitrification reaction is fully and efficiently carried out, nitrite nitrogen in the sewage is converted into nitrogen to be discharged, the total nitrogen in the sewage is effectively removed, and the organic carbon in the sewage is further degraded; then, the sewage enters a second aerobic tank, the temperature in the second aerobic tank is about 30-35 ℃, the dissolved oxygen is about 1mg/L, the residual organic matters in the biogas slurry are further degraded, and simultaneously, under the simultaneous action of nitrosobacteria and denitrifying bacteria, the synchronous nitrification and denitrification reaction are carried out in the second aerobic tank, so that the total nitrogen in the biogas slurry is further removed; finally, the wastewater enters a second membrane pool, is filtered by the membrane component under the action of a water outlet pump and is discharged through a water outlet pipeline; in order to guarantee that the treatment unit can run continuously for a long time, prevent that the mud from gathering at the suction end in the suction process, lead to first membrane cisterna mud to run off, first membrane cisterna and second membrane cisterna used in turn can directly carry the water in the first membrane cisterna to the second membrane cisterna through the sewage pump simultaneously, and the flow direction changes when making water treatment, guarantees the stability of each pond mud.
As an optimal scheme of the kitchen biogas slurry wastewater treatment device, the treatment unit can be internally provided with an anoxic tank and an aerobic tank which are combined, so that the reaction efficiency is increased, and the effluent quality is further improved.
The utility model has the advantages that: the sewage treatment unit of the utility model is sequentially divided into a first membrane tank, a first aerobic tank, an anoxic tank, a second aerobic tank and a second membrane tank by partition plates; the bottoms of the first membrane pool and the second membrane pool are both provided with water inlets, and the water inlets are connected with automatic control switches of electromagnetic valves; the first membrane pool and the second membrane pool are communicated through a transmission pipeline, and a sewage pump is arranged on the transmission pipeline; membrane assemblies are arranged in the first membrane pool and the second membrane pool and are connected with a water outlet pump through a water outlet pipeline; aeration discs are arranged at the bottoms of the first membrane tank, the second membrane tank, the first aerobic tank and the second aerobic tank, the aeration discs are connected with an aeration pipeline, and an aeration pump is arranged on the aeration pipeline; the partition board is provided with a communicating port which is provided with a grid; the first membrane tank and the second membrane tank are both internally provided with powdered activated carbon fillers; light porous fillers are arranged in the first aerobic tank and the second aerobic tank; an elastic filler is arranged in the anoxic tank; the tank wall at the outer side of the treatment unit is made of heat insulation materials, and a water heater is arranged in the treatment unit; electromagnetic valve automatic control switches are arranged on the water outlet pipeline and the aeration pipeline; solenoid valve automatic control switch, play water pump, aeration pump and sewage pump all adopt PLC device automatic control able to programme, the utility model discloses can be used for kitchen natural pond liquid waste water treatment, structure scientific and reasonable makes convenient to use, and reaction efficiency is high, and the cost is practiced thrift.
Drawings
FIG. 1 is a schematic sectional view of a kitchen biogas slurry wastewater treatment device in an embodiment;
FIG. 2 is a top view of the kitchen biogas slurry wastewater treatment device in the embodiment.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, the kitchen biogas slurry wastewater treatment device comprises a sewage treatment unit, wherein the sewage treatment unit is sequentially divided into a first membrane tank 2, a first aerobic tank 3, an anoxic tank 4, a second aerobic tank 5 and a second membrane tank 6 by a partition plate 1; the bottoms of the first membrane tank 2 and the second membrane tank 6 are both provided with a water inlet 7, and the water inlets 7 are connected with an electromagnetic valve automatic control switch 8; the first membrane tank 2 is communicated with the second membrane tank 6 through a transmission pipeline 9, and a sewage pump 10 is arranged on the transmission pipeline 9; the first membrane tank 2 and the second membrane tank 6 are both provided with membrane components 11, and the membrane components 11 are connected with a water outlet pump 13 through a water outlet pipeline 12; the bottom parts of the first membrane tank 2, the second membrane tank 6, the first aerobic tank 3 and the second aerobic tank 5 are all provided with aeration discs 14, the aeration discs 14 are connected with aeration pipelines 15, and the aeration pipelines 15 are provided with aeration pumps 16.
In an embodiment of the kitchen natural pond liquid effluent treatment plant, baffle 1 on be equipped with intercommunication mouth 17, intercommunication mouth 17 be equipped with graticule mesh 18, intercommunication mouth 17 and graticule mesh 18 set up be convenient for communicate two adjacent reaction tanks, it is more convenient to make and use to prevent that each pond from filling and running off, improve reaction efficiency, ensure the reaction effect.
In one embodiment of the kitchen biogas slurry wastewater treatment device, the first membrane tank 2 and the second membrane tank 6 are both internally provided with powdered activated carbon packing 19, the powdered activated carbon packing 19 is arranged to ensure sufficient carbon source in the membrane tanks, and the denitrification reaction is rapid.
In an embodiment of the kitchen biogas slurry wastewater treatment device, the first aerobic tank 3 and the second aerobic tank 5 are both provided with light porous fillers 20, and the arrangement of the light porous fillers 20 is convenient for ensuring that the sludge concentration and the sludge activity in the aerobic tanks are both high, so that carbonization reaction and short-cut nitrification reaction are performed, a large amount of COD is removed, and ammonia nitrogen is converted into nitrite nitrogen.
In an embodiment of the kitchen biogas slurry wastewater treatment device, the anaerobic tank 4 is internally provided with the elastic filler 21, the elastic filler 21 is arranged to facilitate formation of more anaerobic environments in the anaerobic tank 4, so that facultative anaerobic denitrifying bacteria with higher concentration can grow, nitrite nitrogen can effectively perform denitrification reaction under the action of the denitrifying bacteria, nitrogen is discharged, and part of the nitrite nitrogen is removed.
In one embodiment of the kitchen biogas slurry wastewater treatment device, the tank wall outside the treatment unit is made of heat insulation materials, a water heater 22 is arranged in the treatment unit, and the heat insulation materials and the water heater 22 are favorable for keeping the temperature of the biogas slurry effluent water after anaerobic fermentation at 35 ℃, so that the temperature requirement of a short-cut nitrification and denitrification system is met, and good conditions are provided for a short-cut nitrification and denitrification operation body; and the alternative operation mode of the first membrane tank 2 and the second membrane tank 6 is utilized, so that the return flow of the nitrifying liquid can be reduced under the condition of meeting the effluent quality, the energy consumption in the operation process is reduced, the cost is saved, and the economic benefit is higher.
In one embodiment of the kitchen biogas slurry wastewater treatment device, the water outlet pipeline 12 and the aeration pipeline 15 are both provided with the electromagnetic valve automatic control switch 8, and the electromagnetic valve automatic control switch 8 is convenient to control and more reliable and is more convenient to manufacture and use.
In one embodiment of the kitchen biogas slurry wastewater treatment device, the electromagnetic valve automatic control switch 8, the water outlet pump 13, the aeration pump 16 and the sewage pump 10 are all automatically controlled by a programmable PLC device, and when the kitchen biogas slurry wastewater treatment device is used, biogas slurry enters the first membrane tank 2 from the water inlet 7 and is fully mixed with water in the first membrane tank 2 to perform denitrification reaction; then the sewage enters a first aerobic tank 3 through a communication port 17 on a partition plate 1, the temperature in the first aerobic tank 3 is about 30-35 ℃, the sludge concentration and the sludge activity are both high, the biogas slurry is subjected to carbonization reaction and short-range nitration reaction, a large amount of COD is removed, ammonia nitrogen is converted into nitrite nitrogen, the biogas slurry contains part of organic carbon sources and a large amount of nitrite nitrogen, the nitrite nitrogen is subjected to denitrification reaction under the action of denitrifying bacteria, nitrogen is discharged, and part of the nitrite nitrogen is removed; then the sewage enters an anoxic tank 4, the temperature in the anoxic tank 4 is proper, the dissolved oxygen is controlled to be below 0.5mg/L, the sludge concentration is higher, the number of microorganisms is further increased under the action of elastic fillers 21 in the anoxic tank 4, high-concentration denitrifying bacteria in the anoxic tank 4 utilize the residual organic carbon in the sewage as a carbon source, the denitrification reaction is fully and efficiently carried out, nitrite nitrogen in the sewage is converted into nitrogen to be discharged, the total nitrogen in the sewage is effectively removed, and the organic carbon in the sewage is further degraded; then, the sewage enters a second aerobic tank 5, the temperature in the second aerobic tank 5 is about 30-35 ℃, the dissolved oxygen is about 1mg/L, the residual organic matters in the biogas slurry are further degraded, and simultaneously, under the simultaneous action of nitrosobacteria and denitrifying bacteria, the synchronous nitrification and denitrification reaction is carried out in the second aerobic tank 5, so that the total nitrogen in the biogas slurry is further removed; finally, the wastewater enters a second membrane tank 6, is filtered by a membrane component 11 under the action of a water outlet pump 13 and is discharged through a water outlet pipeline 12; in order to ensure that the treatment unit can continuously operate for a long time, the sludge is prevented from being accumulated at the suction end in the suction process to cause the sludge in the first membrane pool 2 to run off, the first membrane pool 2 and the second membrane pool 6 are alternately used, and meanwhile, the water in the first membrane pool 2 can be directly conveyed to the second membrane pool 6 through the sewage pump 10, so that the flow direction is changed during water treatment, and the stability of the sludge in each pool is ensured.
The sewage treatment unit of the utility model is sequentially divided into a first membrane tank 2, a first aerobic tank 3, an anoxic tank 4, a second aerobic tank 5 and a second membrane tank 6 by a clapboard 1; the bottoms of the first membrane tank 2 and the second membrane tank 6 are both provided with a water inlet 7, and the water inlets 7 are connected with an automatic electromagnetic valve control switch 8; the first membrane tank 2 is communicated with the second membrane tank 6 through a transmission pipeline 9, and a sewage pump 10 is arranged on the transmission pipeline 9; the first membrane tank 2 and the second membrane tank 6 are both provided with membrane components 11, and the membrane components 11 are connected with a water outlet pump 13 through a water outlet pipeline 12; the bottom parts of the first membrane tank 2, the second membrane tank 6, the first aerobic tank 3 and the second aerobic tank 5 are respectively provided with an aeration disc 14, the aeration discs 14 are connected with an aeration pipeline 15, and the aeration pipeline 15 is provided with an aeration pump 16; the partition board 1 is provided with a communication port 17, and the communication port 17 is provided with a grid 18; the first membrane tank 2 and the second membrane tank 6 are both provided with powdered activated carbon filler 19; the first aerobic tank 3 and the second aerobic tank 5 are both provided with light porous fillers 20; the anoxic tank 4 is internally provided with an elastic filler 21; the tank wall at the outer side of the treatment unit is made of heat insulation materials, and a water heater 22 is arranged in the treatment unit; the water outlet pipeline 12 and the aeration pipeline 15 are both provided with an electromagnetic valve automatic control switch 8; the electromagnetic valve automatic control switch 8, the water outlet pump 13, the aeration pump 16 and the sewage pump 10 are all automatically controlled by a programmable PLC device, and when the device is used, biogas slurry enters the first membrane tank 2 from the water inlet 7 and is fully mixed with water in the first membrane tank 2 to carry out denitrification reaction; then the sewage enters a first aerobic tank 3 through a communication port 17 on a partition plate 1, the temperature in the first aerobic tank 3 is about 30-35 ℃, the sludge concentration and the sludge activity are both high, the biogas slurry is subjected to carbonization reaction and short-range nitration reaction, a large amount of COD is removed, ammonia nitrogen is converted into nitrite nitrogen, the biogas slurry contains part of organic carbon sources and a large amount of nitrite nitrogen, the nitrite nitrogen is subjected to denitrification reaction under the action of denitrifying bacteria, nitrogen is discharged, and part of the nitrite nitrogen is removed; then the sewage enters an anoxic tank 4, the temperature in the anoxic tank 4 is proper, the dissolved oxygen is controlled to be below 0.5mg/L, the sludge concentration is higher, the number of microorganisms is further increased under the action of elastic fillers 21 in the anoxic tank 4, high-concentration denitrifying bacteria in the anoxic tank 4 utilize the residual organic carbon in the sewage as a carbon source, the denitrification reaction is fully and efficiently carried out, nitrite nitrogen in the sewage is converted into nitrogen to be discharged, the total nitrogen in the sewage is effectively removed, and the organic carbon in the sewage is further degraded; then, the sewage enters a second aerobic tank 5, the temperature in the second aerobic tank 5 is about 30-35 ℃, the dissolved oxygen is about 1mg/L, the residual organic matters in the biogas slurry are further degraded, and simultaneously, under the simultaneous action of nitrosobacteria and denitrifying bacteria, the synchronous nitrification and denitrification reaction is carried out in the second aerobic tank 5, so that the total nitrogen in the biogas slurry is further removed; finally, the wastewater enters a second membrane tank 6, is filtered by a membrane component 11 under the action of a water outlet pump 13 and is discharged through a water outlet pipeline 12; in order to ensure that the treatment unit can continuously operate for a long time, the sludge is prevented from being accumulated at the suction end in the suction process to cause the sludge in the first membrane pool 2 to run off, the first membrane pool 2 and the second membrane pool 6 are alternately used, and meanwhile, the water in the first membrane pool 2 can be directly conveyed to the second membrane pool 6 through the sewage pump 10, so that the flow direction is changed during water treatment, and the stability of the sludge in each pool is ensured. The utility model discloses can be used for kitchen cabinet natural pond liquid waste water treatment, structure scientific and reasonable, preparation convenient to use, reaction efficiency is high, and the cost is practiced thrift.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
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 (8)
1. The utility model provides a meal kitchen natural pond liquid effluent treatment plant which characterized in that: the device comprises a sewage treatment unit, wherein the sewage treatment unit is sequentially divided into a first membrane tank (2), a first aerobic tank (3), an anoxic tank (4), a second aerobic tank (5) and a second membrane tank (6) through a partition plate (1); the bottoms of the first membrane tank (2) and the second membrane tank (6) are both provided with a water inlet (7), and the water inlets (7) are connected with an automatic electromagnetic valve control switch (8); the first membrane pool (2) is communicated with the second membrane pool (6) through a transmission pipeline (9), and a sewage pump (10) is arranged on the transmission pipeline (9); membrane assemblies (11) are arranged in the first membrane tank (2) and the second membrane tank (6), and the membrane assemblies (11) are connected with a water outlet pump (13) through a water outlet pipeline (12); the aeration device is characterized in that aeration discs (14) are arranged at the bottoms of the first membrane tank (2), the second membrane tank (6), the first aerobic tank (3) and the second aerobic tank (5), the aeration discs (14) are connected with aeration pipelines (15), and aeration pumps (16) are arranged on the aeration pipelines (15).
2. The kitchen biogas slurry wastewater treatment device according to claim 1, characterized in that: the partition board (1) is provided with a communicating port (17), and the communicating port (17) is provided with a grid (18).
3. The kitchen biogas slurry wastewater treatment device according to claim 1, characterized in that: and powdery activated carbon fillers (19) are arranged in the first membrane tank (2) and the second membrane tank (6).
4. The kitchen biogas slurry wastewater treatment device according to claim 1, characterized in that: the first aerobic tank (3) and the second aerobic tank (5) are both provided with light porous fillers (20).
5. The kitchen biogas slurry wastewater treatment device according to claim 1, characterized in that: the anoxic tank (4) is internally provided with an elastic filler (21).
6. The kitchen biogas slurry wastewater treatment device according to claim 1, characterized in that: the outer side pool wall of the treatment unit is made of heat insulation materials, and a water heater (22) is arranged in the treatment unit.
7. The kitchen biogas slurry wastewater treatment device according to claim 1, characterized in that: the water outlet pipeline (12) and the aeration pipeline (15) are both provided with electromagnetic valve automatic control switches (8).
8. The kitchen biogas slurry wastewater treatment device according to claim 1, characterized in that: the electromagnetic valve automatic control switch (8), the water outlet pump (13), the aeration pump (16) and the sewage pump (10) are all automatically controlled by a programmable PLC device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020156435.6U CN211688730U (en) | 2020-02-09 | 2020-02-09 | Kitchen biogas slurry wastewater treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020156435.6U CN211688730U (en) | 2020-02-09 | 2020-02-09 | Kitchen biogas slurry wastewater treatment device |
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| CN211688730U true CN211688730U (en) | 2020-10-16 |
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| CN202020156435.6U Active CN211688730U (en) | 2020-02-09 | 2020-02-09 | Kitchen biogas slurry wastewater treatment device |
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| CN (1) | CN211688730U (en) |
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