CN219929797U - Rural integrated sewage and wastewater treatment equipment - Google Patents
Rural integrated sewage and wastewater treatment equipment Download PDFInfo
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- CN219929797U CN219929797U CN202320854677.6U CN202320854677U CN219929797U CN 219929797 U CN219929797 U CN 219929797U CN 202320854677 U CN202320854677 U CN 202320854677U CN 219929797 U CN219929797 U CN 219929797U
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- 239000010865 sewage Substances 0.000 title claims abstract description 50
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005273 aeration Methods 0.000 claims description 22
- 238000009423 ventilation Methods 0.000 claims description 21
- 239000010802 sludge Substances 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 238000010992 reflux Methods 0.000 claims description 16
- 238000004062 sedimentation Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 14
- 238000004177 carbon cycle Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 206010021143 Hypoxia Diseases 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 abstract 2
- 238000010923 batch production Methods 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 239000010866 blackwater Substances 0.000 description 4
- 239000010797 grey water Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 238000009933 burial Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The utility model belongs to the technical field of sewage treatment, in particular to rural integrated sewage and wastewater treatment equipment, which aims at the problems of complex and troublesome operation and maintenance of the existing equipment, frequently caused by the problems of pipeline centralized treatment, blockage, water leakage and the like at present, further causing secondary pollution environment, and further causing the problems of incapability of batch production, unstable quality, short service life, long construction period and the like, difficult equipment power utilization problem, shallow PE (polyethylene) and other materials, and incapability of being buried in cold areas, and adopts the scheme that the equipment comprises a carbon circulation purifier shell and a solar power mechanism, wherein the carbon circulation purifier shell is matched with the solar power mechanism; is not affected by the terrain; environmental pollution is prevented, the quality is stable, and the service life is long; the solar energy system supplies power and air, so that low carbon and zero energy consumption are realized.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to rural integrated sewage and wastewater treatment equipment.
Background
According to different generating sources and organic matters, domestic sewage is divided into two types of black water and gray water, wherein the black water refers to high-concentration domestic sewage containing fecal matter, the generating sources are a toilet, a urinal and the like, and the black water contains a large amount of suspended matters such as feces, paper scraps, pathogenic insects and the like; greywater refers to low-concentration domestic sewage after shower and washing, and the generation sources of greywater are washing machines, bathrooms, kitchens and the like. Generally, the black water is subjected to precipitation and anaerobic fermentation in a septic tank to obtain relatively clean supernatant, and the gray water is subjected to filtration to obtain relatively clean filtered water, but the contents of ammonia nitrogen, nitrate nitrogen, bacteria and the like in the supernatant and the filtered water (commonly called sewage) exceed the standard, and the clear water meeting the national standard still needs to be obtained in a further place; the existing purifying tank has the following defects:
1. the existing equipment is complex and troublesome in operation and maintenance;
2. the sewage pipeline needs to be paved, so that the cost is difficult to control in the population-dispersed areas far away from the urban center, and pipe networks such as mountain areas, river paste poise and the like are difficult to be paved;
3. at present, the rural sewage centralized treatment frequently causes problems of damage, blockage, water leakage and the like of a sewage pipeline due to poor construction quality of the pipeline, and further causes secondary pollution environment;
4. the problems of incapability of mass production, unstable quality, short service life, long construction period and the like;
5. the equipment has difficult electricity utilization problem;
6. PE and other materials have shallow burial depths, and cannot be buried in cold areas.
Therefore, the rural integrated sewage and wastewater treatment equipment is provided, the treatment facility integrated structure, the efficient aeration and the solar power supply can be used by a single user, a pipe network, a glass fiber reinforced plastic material and a permanent corrosion prevention are not needed, the mould pressing steel ring lining are arranged, the burial depth can reach 2m, and the problems can be effectively solved.
Disclosure of Invention
The utility model aims to solve the problems that the prior equipment is complex and troublesome in operation and maintenance, a sewage pipeline is required to be paved, the cost is difficult to control in a population-dispersed area far away from a city center, and the pipeline is difficult to be paved on the periphery of a mountain area, a river, a lake and the like, the problem of damage, blockage, water leakage and the like of the sewage pipeline caused by poor pipeline construction quality in the prior rural sewage centralized treatment is frequent, the secondary pollution environment is further caused, the problems of incapability of mass production, unstable quality, short service life, long construction period and the like are caused, the equipment power utilization problem is difficult, the PE and other materials are shallow, and the PE and other materials cannot be buried in a cold area, and the rural integrated sewage and wastewater treatment equipment is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
rural integration is dirty, effluent treatment plant, including carbon cycle clarifier casing and solar power unit, carbon cycle clarifier casing cooperatees with solar power unit, is connected with first inside baffle and second inside baffle on the bottom inner wall in the carbon cycle clarifier casing, is provided with the oxygen deficiency pond between carbon cycle clarifier casing and the first inside baffle, is provided with good oxygen pond between carbon cycle clarifier casing and the second inside baffle, is provided with the sedimentation tank between carbon cycle clarifier casing and first inside baffle and the second inside baffle.
Preferably, the anoxic tank is internally provided with soft filler, one side of the carbon circulation purifier shell is provided with a water inlet pipe, one end of the water inlet pipe extends into the anoxic tank, the same first overflow pipe is arranged between the first internal partition plate and the second internal partition plate, one end of the first overflow pipe extends into the aerobic tank, and the other end of the first overflow pipe extends into the anoxic tank.
Preferably, the bottom of the aerobic tank is provided with a high-efficiency aeration device, the high-efficiency aeration device is provided with winding soft biological filler, a mixed liquid return pipe is arranged in the carbon circulation purifier shell, one end of the mixed liquid return pipe extends into the anoxic tank, the other end of the mixed liquid return pipe extends into the aerobic tank, a second overflow pipe is arranged on a second inner partition plate, one end of the second overflow pipe extends into the aerobic tank, and the other end of the second overflow pipe extends into the sedimentation tank.
Preferably, a water outlet pipe is arranged on one side surface of the carbon circulation purifier shell, one end of the water outlet pipe extends to the sedimentation tank, a sludge return pipe is arranged on the first inner partition plate, one end of the sludge return pipe extends to the sedimentation tank, and the other end of the sludge return pipe extends to the anoxic tank.
Preferably, the solar power mechanism comprises a solar cell, the top of the solar cell is connected with a vertical rod, the top end of the vertical rod is connected with a solar panel, a control box is arranged on the vertical rod, a fan is arranged in the control box, an aeration ventilation hose, a mixed liquid reflux gas stripping ventilation hose and a sludge reflux gas stripping ventilation hose are arranged on the fan, the aeration ventilation hose is connected with a high-efficiency aeration device, the mixed liquid reflux gas stripping ventilation hose is connected with a mixed liquid reflux pipe, and the sludge reflux gas stripping ventilation hose is connected with a sludge reflux pipe.
Compared with the prior art, the utility model has the advantages that:
1. the scheme can treat the domestic sewage of the single residence on site and discharge the domestic sewage treatment equipment on site, and has simple operation and maintenance;
2. the scheme does not need a sewage pipeline, so that the cost is well controlled for the population dispersion areas far away from the city center, and the scheme can be simply arranged in areas with difficult pipe network laying such as mountain areas, river paste poise and the like, and is not influenced by topography;
3. the scheme can solve the frequent problems of damage, blockage, water leakage and the like of the sewage pipeline caused by severe pipeline construction quality in the conventional rural sewage centralized treatment, and the carbon circulating purifier can be installed and used to avoid the problems, so that the environmental pollution is prevented;
4. the carbon circulation purifier is made of glass fiber reinforced plastic composite materials, has stable quality and long service life, can simplify the construction plan of sewage treatment equipment, and can finish construction in three days, thereby achieving the purpose of accelerating popularization of rural sewage treatment equipment;
5. the aerobic unit adopts a vertical aeration soft filler coupling technology, and micro-oxygen is directly contacted with an aeration device, so that the biochemical reaction of the unit is more efficient, and the unit is more suitable for single-user water quality treatment.
Compared with the prior art, the utility model can treat the domestic sewage of the single residence on site and discharge the domestic sewage treatment equipment on site, and has simple operation and maintenance; is not affected by the terrain; environmental pollution is prevented, the quality is stable, and the service life is long; the solar energy system supplies power and air, thus realizing zero energy consumption.
Drawings
FIG. 1 is a schematic diagram of a rural integrated sewage and wastewater treatment device according to the present utility model;
FIG. 2 is a schematic diagram of a solar power mechanism of rural integrated sewage and wastewater treatment equipment provided by the utility model;
fig. 3 is a schematic diagram of a carbon circulation purifier shell of rural integrated sewage and wastewater treatment equipment provided by the utility model.
Fig. 4 is a partial enlarged view of a portion a in fig. 1.
Fig. 5 is a partial enlarged view of a portion B in fig. 1.
In the figure: 1 solar cell, 2 solar panel, 3 control box, 4 fans, 5 carbon circulation clarifier casing, 6 first inside baffle, 7 second inside baffle, 8 inlet tube, 9 first overflow pipe, 10 second overflow pipe, 11 outlet pipe, 12 mixed liquor back flow, 13 mud back flow, 14 soft packing, 15 high-efficient aeration equipment, 16 winding soft biological packing, 17 mixed liquor return-flow stripping ventilation hose, 18 aeration ventilation hose, 19 mud return-flow stripping ventilation hose.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.
Example 1
Referring to fig. 1-3, rural integrated sewage and wastewater treatment equipment comprises a carbon circulation purifier shell 5 and a solar power mechanism, wherein the carbon circulation purifier shell 5 is matched with the solar power mechanism, a first inner partition plate 6 and a second inner partition plate 7 are connected to the inner wall of the bottom in the carbon circulation purifier shell 5, an anoxic tank is arranged between the carbon circulation purifier shell 5 and the first inner partition plate 6, an aerobic tank is arranged between the carbon circulation purifier shell 5 and the second inner partition plate 7, and a sedimentation tank is arranged between the carbon circulation purifier shell 5 and the first inner partition plate 6 and the second inner partition plate 7.
In this embodiment, a soft filler 14 is disposed in the anoxic tank, a water inlet pipe 8 is disposed on one side of the carbon circulation purifier housing 5, one end of the water inlet pipe 8 extends into the anoxic tank, the same first flow-through pipe 9 is disposed between the first internal partition plate 6 and the second internal partition plate 7, one end of the first flow-through pipe 9 extends into the aerobic tank, and the other end of the first flow-through pipe 9 extends into the anoxic tank.
In this embodiment, the bottom of the aerobic tank is provided with a high-efficiency aeration device 15, a winding soft biological filler 16 is arranged on the high-efficiency aeration device 15, a mixed liquor return pipe 12 is arranged in the carbon circulation purifier shell 5, one end of the mixed liquor return pipe 12 extends into the anoxic tank, the other end of the mixed liquor return pipe 12 extends into the aerobic tank, a second overflow pipe 10 is arranged on a second internal partition 7, one end of the second overflow pipe 10 extends into the aerobic tank, and the other end of the second overflow pipe 10 extends into the sedimentation tank.
In this embodiment, a water outlet pipe 11 is disposed on a side surface of the carbon circulation purifier housing 5, one end of the water outlet pipe 11 extends to the sedimentation tank, a sludge return pipe 13 is disposed on the first inner partition plate 6, one end of the sludge return pipe 13 extends to the sedimentation tank, and the other end of the sludge return pipe 13 extends to the anoxic tank.
In this embodiment, solar power mechanism includes solar cell 1, and solar cell 1's top is connected with the montant, and the top of montant is connected with solar panel 2, and is provided with control box 3 on the montant, is provided with fan 4 in the control box 3, is provided with aeration ventilation hose 18, mixed liquor backward flow gas stripping ventilation hose 17 and mud return flow gas stripping ventilation hose 19 on the fan 4, and aeration ventilation hose 18 is connected with high-efficient aeration equipment 15, and mixed liquor backward flow gas stripping ventilation hose 17 is connected with mixed liquor back flow 12, and mud backward flow gas stripping ventilation hose 19 is connected with mud back flow 13.
In the embodiment, a solar power mechanism provides control, power supply and air source, sewage firstly enters an anoxic tank through a water inlet pipe 8, and then is subjected to denitrification reaction by microorganisms in the anoxic tank, so that organic pollutants with CODcr and BOD5 as marks in the sewage are removed, the phosphorus gathering process of phosphorus gathering bacteria is completed, and simultaneously, the denitrification reaction is performed to convert nitrate nitrogen in the sewage into nitrogen and water; then, the wastewater automatically flows into an aerobic tank through a first overflow pipe 9 at the bottom, a vertical aeration soft filler coupling device is arranged in the tank, a high-efficiency aerobic biochemical reaction is carried out, organic pollutants with CODcr and BOD5 as marks are removed, the phosphorus release process of phosphorus accumulating bacteria is completed, and simultaneously, a nitration reaction is carried out to convert ammonia nitrogen in the wastewater into nitrate nitrogen; after the aerobic reaction, the water automatically flows into a sedimentation tank through a second overflow pipe 10 to carry out solid-liquid separation, and the water after the solid-liquid separation is automatically discharged into a natural water body through a water outlet pipe 11; the mixed liquor of the aerobic tank enters an anoxic tank through a mixed liquor return pipe 12 to carry out denitrification reaction; the sludge in the sedimentation tank enters the anoxic tank through a sludge return pipe 13 to carry out phosphorus accumulating reaction. The whole sewage biochemical system is powered and supplied by a solar energy system, sludge in the integrated carbon circulation purifier sewage treatment system is pumped away by a pump truck at regular intervals and is intensively treated, the reflux kinetic energy is saved by using a gas stripping reflux system, the power consumption of the system is reduced, the power supply of the solar energy system is utilized, the rural sewage operation cost problem is solved, zero energy consumption is realized, complete equipment is intensively arranged, domestic sewage of a single household can be treated on site and discharged to form sewage treatment equipment, the operation and maintenance are simple, and the cost is well controlled for the population dispersed areas far from a city center because no sewage pipeline is needed, the integrated carbon circulation purifier sewage treatment system can be simply arranged in areas with difficult pipeline laying such as mountain areas, river and lake peripheries and the like, is not influenced by the terrain, is manufactured by glass fiber reinforced plastic composite materials, the quality is stable, the service life is long, the construction plan of the sewage treatment equipment can be simplified, the construction can be completed only three days, and the purpose of accelerating popularization of the rural sewage treatment equipment is achieved.
Example two
In the embodiment, the integrated sewage treatment system of the solar carbon circulation purifier is provided by improving the existing A/O reactor, and the integration of the A/O system and the solid-liquid separation device is realized by arranging the solid-liquid separation device which fully utilizes the structure and the flow state of the reactor inside the reactor; the vertical aeration soft filler coupling technology of the aerobic tank and the gas stripping reflux device of the sedimentation tank are fully utilized to realize the reflux of the mixed liquid and the sludge without additional power equipment, thereby realizing more efficient denitrification and dephosphorization effects; the solar power supply and air supply system is arranged, so that zero energy consumption of equipment is realized, and the purposes of saving energy, reducing equipment capacity, simplifying operation, reducing investment and running cost and reducing occupied area of the A/O technology are achieved; by adding the solar power supply and control system, the problems of high operation cost and difficult power supply of the small sewage treatment equipment are solved. At present, rural small-sized integrated equipment is greatly developed in China, and the problems that the running cost of the existing rural sewage treatment equipment is difficult to realize, the effluent reaches the standard and the requirement on the effluent quality is high are solved.
The remainder is the same as in embodiment one.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.
Claims (5)
1. Rural integration is dirty, effluent treatment plant, including carbon cycle clarifier casing (5) and solar power unit, its characterized in that, carbon cycle clarifier casing (5) cooperatees with solar power unit, is connected with first inside baffle (6) and second inside baffle (7) on the bottom inner wall in carbon cycle clarifier casing (5), is provided with the oxygen deficiency pond between carbon cycle clarifier casing (5) and first inside baffle (6), is provided with good oxygen pond between carbon cycle clarifier casing (5) and the second inside baffle (7), is provided with the sedimentation tank between carbon cycle clarifier casing (5) and first inside baffle (6) and second inside baffle (7).
2. Rural integrated sewage and wastewater treatment equipment according to claim 1, characterized in that a soft filler (14) is arranged in the anoxic tank, a water inlet pipe (8) is arranged on one side of the carbon circulation purifier shell (5), one end of the water inlet pipe (8) extends into the anoxic tank, the same first overflow pipe (9) is arranged between the first internal partition plate (6) and the second internal partition plate (7), one end of the first overflow pipe (9) extends into the aerobic tank, and the other end of the first overflow pipe (9) extends into the anoxic tank.
3. Rural integrated sewage and wastewater treatment equipment according to claim 2, characterized in that a high-efficiency aeration device (15) is arranged inside the aerobic tank, a winding soft biological filler (16) is arranged on the high-efficiency aeration device (15), a mixed liquid return pipe (12) is arranged in the carbon circulation purifier shell (5), one end of the mixed liquid return pipe (12) extends into the anoxic tank, the other end of the mixed liquid return pipe (12) extends into the aerobic tank, a second overflow pipe (10) is arranged on the second inner partition board (7), one end of the second overflow pipe (10) extends into the aerobic tank, and the other end of the second overflow pipe (10) extends into the sedimentation tank.
4. A rural integrated sewage and wastewater treatment device according to claim 3, wherein a water outlet pipe (11) is arranged on one side surface of the carbon circulation purifier shell (5), one end of the water outlet pipe (11) extends to the sedimentation tank, a sludge return pipe (13) is arranged on the first inner partition plate (6), one end of the sludge return pipe (13) extends to the sedimentation tank, and the other end of the sludge return pipe (13) extends to the anoxic tank.
5. The rural integrated sewage and wastewater treatment device according to claim 4, wherein the solar power mechanism comprises a solar cell (1), the top of the solar cell (1) is connected with a vertical rod, the top end of the vertical rod is connected with a solar panel (2), a control box (3) is arranged on the vertical rod, a fan (4) is arranged in the control box (3), an aeration ventilation hose (18), a mixed liquid reflux gas stripping ventilation hose (17) and a sludge reflux gas stripping ventilation hose (19) are arranged on the fan (4), the aeration ventilation hose (18) is connected with a high-efficiency aeration device (15), the mixed liquid reflux gas stripping ventilation hose (17) is connected with a mixed liquid reflux pipe (12), and the sludge reflux gas stripping ventilation hose (19) is connected with a sludge reflux pipe (13).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221128089 | 2022-05-12 | ||
| CN2022211280896 | 2022-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929797U true CN219929797U (en) | 2023-10-31 |
Family
ID=88487006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320854677.6U Active CN219929797U (en) | 2022-05-12 | 2023-04-17 | Rural integrated sewage and wastewater treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929797U (en) |
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2023
- 2023-04-17 CN CN202320854677.6U patent/CN219929797U/en active Active
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