CN214936878U - Rural sewage treatment equipment - Google Patents

Rural sewage treatment equipment Download PDF

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CN214936878U
CN214936878U CN202121375441.1U CN202121375441U CN214936878U CN 214936878 U CN214936878 U CN 214936878U CN 202121375441 U CN202121375441 U CN 202121375441U CN 214936878 U CN214936878 U CN 214936878U
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tank
biological
sewage treatment
rural sewage
inclined plate
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于利丽
商文明
陈国东
赵航
徐伟
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Jiangsu Huilong Water Group Co ltd
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Jiangsu Huilong Water Group Co ltd
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Abstract

The utility model provides a rural sewage treatment equipment, the utility model belongs to the sewage treatment field, it has great solid contaminant to block up the grid easily in order to solve current rural sewage treatment, the higher problem of sewage nitrogen phosphorus content after the processing. The utility model discloses set gradually the oxygen deficiency anaerobism pond along the rivers direction among the rural sewage treatment device, biological good oxygen pond, the inclined plate sedimentation tank, biological filler pond and disinfection pond, upper portion in oxygen deficiency anaerobism pond is provided with solid waste storage device, the bottom in oxygen deficiency anaerobism pond is provided with the agitator, it hangs the material to be equipped with the microorganism in biological good oxygen pond, be provided with the swash plate subassembly in the inclined plate sedimentation tank, it has the biofilm carrier to fill in the biological filler pond, the both sides of biofilm carrier are provided with many aeration pipes. The utility model discloses can save oxygen deficiency pond or the anaerobism pond in the AAO technology, save area to organic matter in the mode degradation sewage of denitrification denitrogenation sets up the filler in the biofilm degradation aquatic pollutant in the biofilm carrier pond, promotes out water quality of water.

Description

Rural sewage treatment equipment
Technical Field
The utility model belongs to the sewage treatment field, concretely relates to rural domestic sewage integration treatment facility.
Background
Along with the continuous development of economy, the country pays more and more attention to rural sewage treatment and continuously improves the local rural sewage treatment standard, the current issued local rural sewage discharge standard generally shows that the requirement on nitrogen and phosphorus discharge is low, but the effluent of the traditional septic tank far cannot meet the national requirement, a large amount of pesticide residues in rural domestic sewage can affect the surrounding water environment after the sewage is treated without being disinfected, and large solid pollutants such as vegetable leaves, bottle caps and other large-particle pollutants can exist in the sewage discharged from the rural areas, so that the sewage can not be effectively treated and needs to be periodically cleaned and maintained. Partial rural sewage is directly discharged into a river, but the treatment effect is far from reaching the discharge standard, so that the rural sewage treatment at present urgently needs an integrated sewage treatment device with small maintenance-free floor area and low power consumption and adjustable treatment capacity according to the requirement of a discharged water body.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rural sewage treatment equipment for solving the problems that the grid is easy to block by the large solid pollutants in the existing rural sewage treatment and the nitrogen and phosphorus content of the treated sewage is high.
The utility model discloses rural sewage treatment equipment comprises a box body, an anoxic anaerobic tank, a biological aerobic tank, an inclined plate sedimentation tank, a biological filler tank, a disinfection tank, a solid waste storage device and an air compressor, wherein the anoxic anaerobic tank, the biological aerobic tank, the inclined plate sedimentation tank, the biological filler tank and the disinfection tank are sequentially arranged in the box body along the water flow direction, and the anoxic anaerobic tank, the biological aerobic tank, the inclined plate sedimentation tank, the biological filler tank and the disinfection tank are separated by vertical plates;
a solid waste storage device is arranged at the upper part of the anoxic anaerobic tank, a filter screen is arranged at the bottom of the solid waste storage device, a stirrer is arranged at the bottom of the anoxic anaerobic tank, and a first water through hole is formed in a vertical plate between the anoxic anaerobic tank and the biological aerobic tank;
a microorganism hanging material is hung in the biological aerobic tank, an aeration disc is arranged at the bottom of the biological aerobic tank, and a second water through hole is formed in a vertical plate between the biological aerobic tank and the inclined plate sedimentation tank;
an inclined plate assembly is arranged in the inclined plate sedimentation tank, a third water through hole is formed in a vertical plate between the inclined plate sedimentation tank and the biological filler tank, and a water pipe is connected to the third water through hole;
two layers of clapboards are arranged in the biological filler tank, biological filler is filled between the two layers of clapboards, a plurality of aeration pipes are arranged on two sides of the biological filler, and a fourth water through hole is arranged at the bottom of the vertical plate between the biological filler tank and the disinfection tank;
the disinfection tank is divided into an upper control area and a lower disinfection area, the disinfection area is communicated with the biological filler tank through a fourth water through hole, a disinfection device is arranged in the disinfection area, an air compressor, a sludge reflux pump and a nitrifying liquid reflux pump are arranged in the control area, the air compressor is respectively connected with the aeration disc and the aeration pipe through air pipes, a nitrifying liquid reflux pipe is arranged at the bottom of the biological aerobic tank, the other end of the nitrifying liquid reflux pipe is refluxed to the anoxic anaerobic tank through the nitrifying liquid reflux pump, one end of the sludge reflux pipe is located at the bottom of the inclined plate sedimentation tank, and the other end of the sludge reflux pipe is refluxed to the anoxic anaerobic tank through the sludge reflux pump.
The utility model intercepts large particle pollutants in sewage through the water inlet pipe and the filter screen of the solid waste storage device, regularly cleans the pollutants, the design of the filter screen replaces a grid pool to save sewage treatment equipment space, the sewage enters an anoxic anaerobic adjusting pool and is regularly stirred through a stirring device to realize the switch of an anoxic anaerobic state, compared with AO technology, the anaerobic adjusting pool has better removal effect, compared with AAO technology, the middle anoxic pool or anaerobic pool can be saved to save floor area, organic matters in the sewage are degraded and phosphorus is released in a denitrification mode, the sewage treated by the anoxic anaerobic adjusting pool automatically flows into a biological aerobic pool through a channel hole, the nitrification and phosphorus absorption of ammonia nitrogen are realized through continuous aeration, the effluent of the aerobic pool automatically flows into an inclined plate sedimentation tank to improve the sedimentation efficiency of the sludge and partial sludge flows back into the anaerobic adjusting pool through a reflux pump, the effluent of the sedimentation tank automatically flows into a biological filler tank, the multilayer filler is arranged in the biological filler tank to further degrade pollutants in water by a biofilm method, and the purpose of intercepting and filtering is achieved at the same time, so that the effluent quality is improved, and finally, the sewage is discharged through a water outlet pipe after being sterilized by an ultraviolet lamp.
The utility model discloses rural sewage treatment device is solar photovoltaic board still can be connected, makes whole equipment utilize the solar energy power supply, saves the grid device, utilizes the stirring in the oxygen deficiency anaerobism pond to make the stirring more fully eliminate the stirring blank region, also can switch on operation equipment for guaranteeing equipment effective operation.
Drawings
FIG. 1 is a schematic structural view of the rural sewage treatment equipment of the utility model;
FIG. 2 is a schematic structural view of the sweeping device according to the fourth embodiment;
fig. 3 is a schematic structural view of the solid waste storage apparatus.
Detailed Description
The first embodiment is as follows: the rural sewage treatment equipment of the embodiment comprises a box body 1, an anoxic anaerobic tank 2, a biological aerobic tank 3, an inclined plate sedimentation tank 4, a biological filler tank 5, a disinfection tank 6, a solid waste storage device 7 and an air compressor 10, wherein the anoxic anaerobic tank 2, the biological aerobic tank 3, the inclined plate sedimentation tank 4, the biological filler tank 5 and the disinfection tank 6 are sequentially arranged in the box body 1 along the water flow direction, and the anoxic anaerobic tank 2, the biological aerobic tank 3, the inclined plate sedimentation tank 4, the biological filler tank 5 and the disinfection tank 6 are separated by vertical plates 11;
a solid waste storage device 7 is arranged at the upper part of the anoxic anaerobic tank 2, a filter screen 7-1 is arranged at the bottom of the solid waste storage device 7, a stirrer 12 is arranged at the bottom of the anoxic anaerobic tank 2, and a first water through hole 11-1 is formed in a vertical plate 11 between the anoxic anaerobic tank 2 and the biological aerobic tank 3;
a microorganism hanging material 13 is hung in the biological aerobic tank 3, an aeration disc 14 is arranged at the bottom of the biological aerobic tank 3, and a second through hole 11-2 is arranged on a vertical plate 11 between the biological aerobic tank 3 and the inclined plate sedimentation tank 4;
an inclined plate assembly 15 is arranged in the inclined plate sedimentation tank 4, a third water through hole 11-3 is formed in a vertical plate 11 between the inclined plate sedimentation tank 4 and the biological filler tank 5, and a water pipe is connected to the third water through hole 11-3;
two layers of partition boards 16 are arranged in the biological filler tank 5, biological fillers 17 are filled between the two layers of partition boards 16, a plurality of aeration pipes 18 are arranged on two sides of the biological fillers 17, and a fourth water through hole 11-4 is formed in the bottom of the vertical plate 11 between the biological filler tank 5 and the disinfection tank 6;
the disinfection tank 6 is divided into an upper control area and a lower disinfection area, the disinfection area is communicated with the biological filler tank 5 through a fourth water through hole 11-4, a disinfection device 19 is arranged in the disinfection area, an air compressor 10, a sludge reflux pump 20 and a nitrifying liquid reflux pump 21 are arranged in the control area, the air compressor 10 is respectively connected with an aeration disc 14 and an aeration pipe 18 through an air pipe 22, a nitrifying liquid reflux pipe 23 is arranged at the bottom of the biological aerobic tank 3, the other end of the nitrifying liquid reflux pipe 23 is refluxed to the anoxic anaerobic tank 2 through the nitrifying liquid reflux pump 21, one end of a sludge reflux pipe 24 is positioned at the bottom of the inclined plate sedimentation tank 4, and the other end of the sludge reflux pipe 24 is refluxed to the anaerobic tank 2 through the sludge reflux pump 20.
The second embodiment is as follows: the present embodiment is different from the present embodiment in that the solid waste storage 7 is built on the wall of the anoxic anaerobic tank 2.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that a cleaning device is provided above the screen 7-1 of the solid waste storage device 7.
The fourth concrete implementation mode: the third difference between the present embodiment and the specific embodiment is that the cleaning device includes a driving motor, a rotating shaft 25-1, two driving gears 25-2, two driven gears 25-3, two transmission chains 25-4 and a cleaning brush 25-5, the two driving gears 25-2 are disposed on the rotating shaft 25-1, the driving motor drives the rotating shaft 25-1 to rotate, the transmission chain 25-4 is disposed between each group of driving gears 25-2 and driven gears 25-3, and the cleaning brush 25-5 is fixed between the two transmission chains 25-4.
The fifth concrete implementation mode: the fourth difference between this embodiment and the fourth embodiment is that a collection box is further provided on one side of the cleaning device.
This embodiment collecting box is used for collecting the large granule pollutant that cleaning device cleaned down.
The sixth specific implementation mode: the difference between the first embodiment and the fifth embodiment is that the biological filler 17 between the two partition boards 16 is a three-layer structure, and each layer of biological filler is volcanic rock, activated carbon and polyurethane filler from top to bottom.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is that the disinfection device 19 is an ultraviolet disinfection lamp.
The specific implementation mode is eight: the difference between the first embodiment and the seventh embodiment is that the rural sewage treatment equipment further comprises a solar cell panel 8 and a storage battery 9, and the solar cell panel 8 is electrically connected with the storage battery 9.
The specific implementation method nine: the present embodiment differs from the eighth embodiment in that the accumulator 9 is located in the control zone of the disinfection battery 6.
The detailed implementation mode is ten: the present embodiment is different from the eighth embodiment in that the electric storage device 9 is electrically connected to the agitator 12.
The concrete implementation mode eleven: this embodiment is quite different from the embodiment in that the stirrer 12 is a magnetic stirrer.
Example (b): the rural sewage treatment equipment comprises a box body 1, an anoxic anaerobic tank 2, a biological aerobic tank 3, an inclined plate sedimentation tank 4, a biological filler tank 5, a disinfection tank 6, a solid waste storage device 7 and an air compressor 10, wherein the anoxic anaerobic tank 2, the biological aerobic tank 3, the inclined plate sedimentation tank 4, the biological filler tank 5 and the disinfection tank 6 are sequentially arranged in the box body 1 along the water flow direction, and the anoxic anaerobic tank 2, the biological aerobic tank 3, the inclined plate sedimentation tank 4, the biological filler tank 5 and the disinfection tank 6 are separated by vertical plates 11;
the anaerobic tank is characterized in that a solid waste storage device 7 is arranged at the upper part of the anoxic anaerobic tank 2, a filter screen 7-1 is arranged at the bottom of the solid waste storage device 7, a cleaning device is arranged above the filter screen 7-1 of the solid waste storage device 7 and comprises a driving motor, a rotating shaft 25-1, two driving gears 25-2, two driven gears 25-3, two conveying chains 25-4 and a cleaning brush 25-5, the rotating shaft 25-1 is provided with the two driving gears 25-2, the driving motor drives the rotating shaft 25-1 to rotate, the conveying chain 25-4 is arranged between each group of driving gears 25-2 and driven gears 25-3, and the cleaning brush 25-5 is fixed between the two conveying chains 25-4; the bottom of the anaerobic tank 2 is provided with a stirrer 12, and a first water through hole 11-1 is formed in a vertical plate 11 between the anaerobic tank 2 and the biological aerobic tank 3;
a microorganism hanging material 13 is hung in the biological aerobic tank 3, an aeration disc 14 is arranged at the bottom of the biological aerobic tank 3, and a second through hole 11-2 is arranged on a vertical plate 11 between the biological aerobic tank 3 and the inclined plate sedimentation tank 4;
an inclined plate assembly 15 is arranged in the inclined plate sedimentation tank 4, a third water through hole 11-3 is formed in a vertical plate 11 between the inclined plate sedimentation tank 4 and the biological filler tank 5, and a water pipe is connected to the third water through hole 11-3;
two layers of partition boards 16 are arranged in the biological filler tank 5, biological fillers 17 are filled between the two layers of partition boards 16, the biological fillers 17 are polyurethane fillers and volcanic fillers, a plurality of aeration pipes 18 are arranged on two sides of the biological fillers 17, and a fourth water through hole 11-4 is formed in the bottom of the vertical plate 11 between the biological filler tank 5 and the disinfection tank 6;
the disinfection tank 6 is divided into an upper control area and a lower disinfection area, the disinfection area is communicated with the biological filler tank 5 through a fourth water through hole 11-4, an ultraviolet disinfection lamp 19 is arranged in the disinfection area, an air compressor 10, a sludge reflux pump 20, a nitrifying liquid reflux pump 21 and a storage battery 9 are arranged in the control area, the air compressor 10 is respectively connected with an aeration disc 14 and an aeration pipe 18 through an air pipe 22, a nitrifying liquid reflux pipe 23 is arranged at the bottom of the biological aerobic tank 3, the other end of the nitrifying liquid reflux pipe 23 is refluxed to the anoxic anaerobic tank 2 through the nitrifying liquid reflux pump 21, one end of the sludge reflux pipe 24 is positioned at the bottom of the inclined plate sedimentation tank 4, and the other end of the sludge reflux pipe 24 is refluxed to the anoxic anaerobic tank 2 through the sludge reflux pump 20; the solar cell panel 8 is electrically connected with a storage battery 9, and the storage battery 9 supplies power to an air compressor 10 and a stirrer 12.
The sewage treatment process of the rural sewage treatment equipment of the embodiment comprises a water inlet pipe, an anaerobic adjusting tank, a biological aerobic tank, an inclined plate sedimentation tank, a biological filler tank and a disinfection tank, and the specific process comprises the following steps:
rural sewage gets into the anaerobism equalizing basin by the inlet tube, sets up the filter screen in the anaerobism equalizing basin, and the filter screen intercepts the large granule pollutant that contains in intaking, sweeps into the collecting box through the brush cleaner on the driving motor control transfer chain among the cleaning device. The anaerobic tank is provided with a first water through hole, sewage automatically flows into the biological aerobic tank through the first water through hole, the biological aerobic tank is provided with a microorganism hanging material and a disc type aeration device, the sewage of the biological aerobic tank flows into the sedimentation tank provided with an inclined plate assembly, the lower part of the inclined plate sedimentation tank is provided with a sludge discharge hopper, a sludge discharge pipeline and a sludge return pipe, the effluent of the inclined plate sedimentation tank automatically flows into the biological filler tank, the biological filler tank is provided with a partition plate internally provided with three layers of filter materials (volcanic rock, active carbon and polyurethane filler in sequence from top to bottom), and the effluent of the biological filler tank is discharged after being disinfected.
In the embodiment, the dissolved oxygen content of the anoxic anaerobic tank is controlled to be 0.2-0.5 mg/L, the hydraulic retention time of the anoxic anaerobic tank is controlled to be 1-3 hours, and the hydraulic retention time of the biological aerobic tank is controlled to be 4-6 hours. The aeration rate in the biological aerobic tank 3 and the biological filling tank 5 is 0.42-1.0 m3/min。
The effect of applying the rural sewage treatment equipment of the embodiment to sewage treatment is shown in the following table 1.
TABLE 1
Figure BDA0003124390290000051

Claims (10)

1. A rural sewage treatment device is characterized by comprising a box body (1), an anoxic anaerobic tank (2), a biological aerobic tank (3), an inclined plate sedimentation tank (4), a biological filler tank (5), a disinfection tank (6), a solid waste storage device (7) and an air compressor (10), wherein the anoxic anaerobic tank (2), the biological aerobic tank (3), the inclined plate sedimentation tank (4), the biological filler tank (5) and the disinfection tank (6) are sequentially arranged in the box body (1) along the water flow direction, and the anoxic anaerobic tank (2), the biological aerobic tank (3), the inclined plate sedimentation tank (4), the biological filler tank (5) and the disinfection tank (6) are separated by vertical plates (11);
a solid waste storage device (7) is arranged at the upper part of the anoxic anaerobic tank (2), a filter screen (7-1) is arranged at the bottom of the solid waste storage device (7), a stirrer (12) is arranged at the bottom of the anoxic anaerobic tank (2), and a first water through hole (11-1) is formed in a vertical plate (11) between the anoxic anaerobic tank (2) and the biological aerobic tank (3);
a microorganism hanging material (13) is hung in the biological aerobic tank (3), an aeration disc (14) is arranged at the bottom of the biological aerobic tank (3), and a second through hole (11-2) is arranged on a vertical plate (11) between the biological aerobic tank (3) and the inclined plate sedimentation tank (4);
an inclined plate assembly (15) is arranged in the inclined plate sedimentation tank (4), a third water through hole (11-3) is formed in a vertical plate (11) between the inclined plate sedimentation tank (4) and the biological filler tank (5), and a water pipe is connected to the third water through hole (11-3);
two layers of clapboards (16) are arranged in the biological filler pool (5), biological fillers (17) are filled between the two layers of clapboards (16), a plurality of aeration pipes (18) are arranged on two sides of the biological fillers (17), and a fourth water through hole (11-4) is arranged at the bottom of the vertical plate (11) between the biological filler pool (5) and the disinfection pool (6);
the biological aerobic tank (3) is provided with a nitrifying liquid return pipe (23) at the bottom, the other end of the nitrifying liquid return pipe (23) returns to the anoxic anaerobic tank (2) through the nitrifying liquid return pump (21), one end of the sludge return pipe (24) is positioned at the bottom of the inclined plate sedimentation tank (4), and the other end of the sludge return pipe (24) returns to the anoxic anaerobic tank (2) through the sludge return pump (20).
2. The rural sewage treatment plant according to claim 1, wherein the solid waste storage device (7) is erected on the wall of the anoxic anaerobic tank (2).
3. The rural sewage treatment plant according to claim 1, wherein a cleaning device is arranged above the filter screen (7-1) of the solid waste storage device (7).
4. The rural sewage treatment equipment according to claim 3, wherein the cleaning device comprises a driving motor, a rotating shaft (25-1), two driving gears (25-2), two driven gears (25-3), two transmission chains (25-4) and a cleaning brush (25-5), the two driving gears (25-2) are arranged on the rotating shaft (25-1), the driving motor drives the rotating shaft (25-1) to rotate, the transmission chain (25-4) is arranged between each group of driving gears (25-2) and driven gears (25-3), and the cleaning brush (25-5) is fixed between the two transmission chains (25-4).
5. The rural sewage treatment equipment according to claim 4, wherein a collection box is further arranged on one side of the sweeping device.
6. The rural sewage treatment equipment according to claim 1, wherein the biological filler (17) between the two layers of partition plates (16) is of a three-layer structure, and each layer of biological filler is volcanic rock, activated carbon and polyurethane filler from top to bottom.
7. The rural sewage treatment plant according to claim 1, wherein the disinfection device (19) is an ultraviolet disinfection lamp.
8. The rural sewage treatment equipment according to claim 1, wherein the rural sewage treatment equipment further comprises a solar panel (8) and an accumulator (9), and the solar panel (8) is electrically connected with the accumulator (9).
9. A rural sewage treatment plant according to claim 8, characterized in that the storage battery (9) is located in the control area of the disinfection battery (6).
10. The rural sewage treatment plant according to claim 8, wherein the accumulator (9) is electrically connected with the stirrer (12).
CN202121375441.1U 2021-06-21 2021-06-21 Rural sewage treatment equipment Active CN214936878U (en)

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CN202121375441.1U CN214936878U (en) 2021-06-21 2021-06-21 Rural sewage treatment equipment

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Application Number Priority Date Filing Date Title
CN202121375441.1U CN214936878U (en) 2021-06-21 2021-06-21 Rural sewage treatment equipment

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CN202121375441.1U Active CN214936878U (en) 2021-06-21 2021-06-21 Rural sewage treatment equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114249506A (en) * 2022-01-11 2022-03-29 山东农业大学 Miniature light kinetic energy rural domestic sewage purifies integrated device
CN117447019A (en) * 2023-11-30 2024-01-26 博雅达勘测规划设计集团有限公司 Photovoltaic view seat and sewage treatment integrated equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114249506A (en) * 2022-01-11 2022-03-29 山东农业大学 Miniature light kinetic energy rural domestic sewage purifies integrated device
CN117447019A (en) * 2023-11-30 2024-01-26 博雅达勘测规划设计集团有限公司 Photovoltaic view seat and sewage treatment integrated equipment

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