CN213623725U - Distributed small rural domestic sewage treatment device - Google Patents
Distributed small rural domestic sewage treatment device Download PDFInfo
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- CN213623725U CN213623725U CN202021721872.4U CN202021721872U CN213623725U CN 213623725 U CN213623725 U CN 213623725U CN 202021721872 U CN202021721872 U CN 202021721872U CN 213623725 U CN213623725 U CN 213623725U
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Abstract
The utility model discloses a distributed small-sized rural domestic sewage treatment device, which comprises a main body unit and an auxiliary unit, wherein the main body unit comprises a three-grid septic tank, a fixed filler biochemical tank, a secondary sedimentation tank, a filtering tank and a disinfection tank, wherein the fixed filler biochemical tank is externally connected with a water pump, a uniform distribution type perforated pipe is arranged between the water pump and the fixed filler biochemical tank, a pipeline is arranged between the inner parts of the main body unit, domestic sewage flows through the pipeline after being treated, the auxiliary unit comprises a sludge digestion plate, an air blower and an electric control system, wherein the air blower is connected with the electric control system through a circuit, the electric control system provides power for the air blower, the sludge digestion plate is connected with the secondary sedimentation tank, residual sludge in the secondary sedimentation tank is refluxed to the three-grid septic tank for digestion again, and sewage recycling is realized through degradation, is suitable for decentralized rural sewage treatment.
Description
Technical Field
The utility model belongs to the technical field of blowdown treatment facility and specifically relates to a small-size rural domestic sewage treatment device of distributing type.
Background
Rural sewage treatment and sustainable operation are common problems in new rural construction in China and weak links in the overall sewage treatment pattern.
The sewage is discharged in an unordered manner, and the untreated and utilized excrement and various sewage seriously pollute soil, surface water and underground water and become an important pollution source of rural environment, so that the phenomena of blackening and stinking of water in rural river channels, fish and shrimp sterilization and mosquito and fly breeding are caused, diseases caused by germs and insect eggs in the sewage are spread, the health of the masses is greatly threatened, and the treatment of the rural domestic sewage is urgent. In recent years, a large number of rural sewage treatment facilities are built all over the country, the sewage treatment rate is greatly improved, but the conditions that the effluent quality of the sewage treatment facilities does not reach the standard or the treatment facilities are built but not used generally exist, so that the rural water environment is not fundamentally improved, and the investment waste is caused.
The prior art generally adopts a septic tank, a biological treatment tank and deep treatment, and the technology utilizes the septic tank to pretreat sewage, thereby being beneficial to improving the treatment efficiency of a subsequent biological treatment unit; the biological treatment tank can remove most organic matters, ammonia nitrogen, total phosphorus and the like; the advanced treatment unit can further remove suspended matters, kill bacteria and the like. So as to reach the sewage discharge or reuse standard.
However, the prior art has the following problems:
1. because the small sewage treatment facility has small treatment scale, most of the existing biological treatment processes of the treatment device adopt suspended fillers, and the fillers move along with aeration and have non-uniformity, so that the quality of treated effluent is unstable. In addition, the sludge in the system has no special treatment measures, the amount of the sludge is increased day by day, the effective retention time of the sewage is shortened, and the treatment efficiency of the system is also seriously influenced, so that the effluent quality does not reach the standard.
2. The existing treatment process has long process, low automation level and high labor intensity of operators, and is lack of timely professional maintenance after equipment fails, so that the system is occasionally shut down, and even the treatment facilities are not built.
Based on the above series of problems, the following technical solutions have been developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the aforesaid not enough, provide a small-size rural domestic sewage treatment plant of distributing type, realize sewage resourceization through the degradation, be fit for distributed rural sewage treatment.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
the utility model provides a small-size rural domestic sewage treatment device of distributing type, includes main part unit and auxiliary unit, the main part unit includes three manure pits, fixed biochemical pond of packing, secondary sedimentation tank, filtering ponds and disinfection pond, wherein fixed biochemical pond of packing is external to have the water pump, is equipped with equipartition formula perforated pipe between water pump and the fixed biochemical pond of packing, be equipped with the pipeline between the main part unit is inside, domestic sewage flows through the pipeline after handling, the auxiliary unit includes that mud clears up plate, air-blower and electrical system, and wherein the air-blower passes through circuit connection with electrical system, and electrical system provides power for the air-blower, mud is cleared up the plate and is linked to each other with the secondary sedimentation tank, clears up once more to three manure pits through the surplus mud backward flow with the secondary sedimentation tank.
Furthermore, the bottom of the fixed filler biochemical pool is provided with a V-shaped water distribution plate, when water is pressurized by a water pump and enters the fixed filler biochemical pool, the water passes through the uniformly distributed perforated pipes and then is sprayed onto the V-shaped water distribution plate, and after reflection, water flow vertically upwards so as to create an up-flow anaerobic working environment.
Furthermore, a water distributor, a processor and a reflux water pump are arranged in the fixed filler biochemical pool, a biological membrane pendant is arranged in the processor, and when sewage enters the fixed filler biochemical pool, the sewage continuously flowing through the water distributor is biologically decomposed through the biological membrane pendant.
Furthermore, the backflow water pump is arranged in the fixed filler biochemical pool, when the sewage concentration is higher than the dischargeable level, the sewage flows back to the water inlet under the action of the backflow water pump, and the circulating biological decomposition is carried out until the sewage reaches the discharge standard.
Furthermore, a plurality of partition plates are arranged in the disinfection tank, the ultraviolet searchlight is arranged on each partition plate, one end of each partition plate is fixed on the side wall of the disinfection tank, the other end of each partition plate is separated from the side wall of the disinfection tank, and an S-shaped water flow channel is formed between every two adjacent partition plates.
Furthermore, the three-grid septic tank, the fixed filler biochemical tank, the secondary sedimentation tank, the filtering tank, the disinfection tank and the sludge digestion plate form a first virtual module, and the air blower and the electric control system form a second virtual module.
Furthermore, the first virtual module can be an integrated device or can be integrally arranged in a buried manner, and the second virtual module is integrated into a device box or a device room.
The utility model discloses with prior art contrast beneficial effect be:
the device related by the utility model is a small-sized integrated sewage treatment device, is suitable for distributed rural sewage treatment, has good effluent quality, and completely reaches the reclaimed water reuse standard, thereby realizing the reclamation of sewage;
the device has stable operation, can automatically operate and is simple to operate and manage, so that unattended operation is realized; the process flow is simple, the structure is compact, the occupied area is small, the system is suitable for any occasion, and compared with the traditional treatment system, the system can save 50% of land use area; meanwhile, the integrated equipment can be made into a buried type, and the top of the treatment facility is greened, so that the landscape of beautiful countryside is not influenced;
the sewage recycling device can be prefabricated in a factory, only an equipment foundation needs to be manufactured on site, and water inlet and outlet and a power supply can be connected after the equipment arrives at the site. In addition, the sludge growth speed of the system is high, and the debugging period is shortened by 50 percent compared with that of the traditional activated sludge method. After the adjustment is successful, even if the device is temporarily stopped, the device is started again, because the microbial species in the biological pool are many, the microbial survival rate is high, and the device can be started very quickly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the virtual synthesis of the whole machine of the present invention;
FIG. 2 is a schematic view of the fixed-packing biochemical tank of the present invention;
FIG. 3 is a schematic view of the flat structure of the disinfection tank of the present invention;
in the figure, 1 is a septic tank with three chambers; 2, fixing a stuffing biochemical pool; 3, a secondary sedimentation tank; 4, a filtering tank; 5, a disinfection tank; 6, a blower; 7, an electric control system; 8, hanging a biological membrane; 9 a partition plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a small-size rural domestic sewage treatment plant of distributing type. The technical solution provided by the present invention will be explained in more detail with reference to fig. 1 to 3.
As shown in fig. 1-3, a distributed small-sized rural domestic sewage treatment device comprises a main unit and an auxiliary unit, wherein the main unit comprises a three-grid septic tank 1, a fixed filler biochemical tank 2, a secondary sedimentation tank 3, a filtering tank 4 and a disinfection tank 5, wherein the fixed filler biochemical tank 2 is externally connected with a water pump, a uniformly distributed perforated pipe is arranged between the water pump and the fixed filler biochemical tank 2, a pipeline is arranged between the inner parts of the main unit, the pipeline belongs to a conventional technical means, as long as the pipeline can be used for pipeline transportation, preferably belongs to a pipeline capable of discharging sewage, domestic sewage flows through the pipeline after being treated, the auxiliary unit comprises a sludge digestion plate, an air blower 6 and an electric control system 7, wherein the air blower 6 is connected with the electric control system 7 through a circuit, and the electric control system 7 provides power for the air blower 6, the sludge digestion plate is connected with the secondary sedimentation tank 3, and residual sludge in the secondary sedimentation tank 3 is returned to the three-grid septic tank 1 for secondary digestion.
As shown in figure 1, domestic sewage at first gets into three manure pits of formatting 1, and three manure pits of formatting are in the utility model discloses in the middle of belong to unnecessary step, can add or get rid of according to the needs of blowdown degradation, three manure pits of formatting are the pretreatment unit, adopt the anaerobic treatment technique, can deposit impurity to make macromolecular organic matter hydrolyze, become micromolecular organic matter such as mellow wine, thereby improve subsequent sewage treatment, three manure pits of formatting can also clear up organic matter mud, reduce system's mud output by a wide margin.
The biochemical pond of fixed filler is got into through the water pump promotion to the terminal play water of three manure pits, and the biochemical pond of fixed filler does the utility model discloses an essential unit adopts the aerobic treatment technique, and this technique is original for this application, and this unit is the core unit of this method, but by a wide margin degradation organic matter, hold back the suspended solid to there is good effect of getting rid of to ammonia nitrogen, total phosphorus.
Preferably, the bottom of the fixed filler biochemical pool is provided with a V-shaped water distribution plate, when water is pressurized by a water pump and enters the fixed filler biochemical pool, the water passes through the uniformly distributed perforated pipes and then is sprayed onto the V-shaped water distribution plate, and after reflection, water flow vertically upwards so as to create an up-flow anaerobic working environment.
The effluent of the fixed filler biochemical tank enters a secondary sedimentation tank which is an essential unit and can realize sludge-water separation.
The effluent of the secondary sedimentation tank enters a filtering tank which is an essential unit and can effectively remove suspended matters.
Preferably, as shown in fig. 2, a water distributor, a processor and a reflux water pump are arranged in the fixed filler biochemical pool, a biofilm hanging part is arranged in the processor, and when sewage enters the fixed filler biochemical pool, the sewage continuously flowing through the water distributor is biologically decomposed through the biofilm hanging part.
Preferably, the backflow water pump is arranged in the fixed filler biochemical pool, when the sewage concentration is higher than the dischargeable level, the sewage flows back to the water inlet under the action of the backflow water pump, and the circulating biological decomposition is carried out until the discharge standard is reached.
Preferably, a plurality of partition plates are arranged in the disinfection tank, the ultraviolet searchlight is arranged on each partition plate, one end of each partition plate is fixed on the side wall of the disinfection tank, the other end of each partition plate is separated from the side wall of the disinfection tank, and an S-shaped water flow channel is formed between every two adjacent partition plates.
The utility model discloses the sludge digestion plate that mentions in the middle of is unnecessary preferred step, clears up three manure pits through the surplus sludge reflux with the secondary sedimentation tank.
The utility model provides an air-blower is used as the air feed unit, for the microorganism in the pond provides oxygen, and electrical system is the must step, for power consumption units such as air-blower, water pump provide the power to according to equipment control requirement, actual system automatic operation accomplishes unmanned on duty.
Preferably, the three-grid septic tank, the fixed filler biochemical tank, the secondary sedimentation tank, the filtering tank, the disinfection tank and the sludge digestion plate form a first virtual module, and the air blower and the electric control system form a second virtual module.
Preferably, the first virtual module may be an integrated device, or may be integrally arranged in a buried manner, and the second virtual module is integrated into a device box or a device room.
The device provided by the utility model is a small-sized integrated sewage treatment device, is suitable for distributed rural sewage treatment, adopts a combined process, and can remove each pollution index in a targeted manner. The core unit adopts a fixed filler biochemical tank, has the characteristics of good uniformity, multiple microorganism species, high treatment efficiency and good effluent quality, and treats CODcr less than 50mg/L, BOD5 less than 10mg/L, SS less than 5mg/L, NH3-N less than 5mg/L, total nitrogen less than 15mg/L, total phosphorus less than 0.5mg/L and fecal coliform bacteria number less than 1000/L. The disinfection tank adopts ultraviolet rays for disinfection, the operation is stable, sterile water can be prepared, the effluent water quality is good, and the effluent water quality completely reaches the reclaimed water reuse standard, so that the sewage recycling is realized.
The three-grid septic tank and the fixed filler biochemical tank have good degradation effect on sludge, and the yield of excess sludge is low and is less than 40 percent of that of the conventional process.
The pressure type anoxic tank and the MBR tank in the system have various microorganism types, high sludge concentration MLSS, strong adaptability to the change of water quality and water quantity, strong impact resistance and stable operation. Meanwhile, the system has few running devices, most of pollution indexes are disinfected by organisms, only the disinfection indexes are disinfected by ultraviolet rays without manual participation, the system can run automatically without special maintenance, and only regular patrol is needed, so that unattended operation is realized.
The process flow is simple, the structure is compact, the occupied area is small, the system is suitable for any occasion, and compared with the traditional treatment system, the system can save 50% of land use area; meanwhile, the integrated equipment can be made into a buried type, and the top of the treatment facility is greened, so that the landscape of beautiful countryside is not influenced.
The sewage recycling device can be prefabricated in a factory, only an equipment foundation needs to be manufactured on site, and water inlet and outlet and a power supply can be connected after the equipment arrives at the site. In addition, the sludge growth speed of the system is high, and the debugging period is shortened by 50 percent compared with that of the traditional activated sludge method. After the debugging is successful, even if the system is temporarily stopped, the microorganism survival rate is high due to the fact that the types of the microorganisms in the biological pond are large when the system is restarted, and therefore the system can be started very quickly.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a small-size rural domestic sewage treatment device of distributing type, includes main part unit and auxiliary unit, its characterized in that, the main part unit includes three manure pits, fixed biochemical pond of packing, secondary sedimentation tank, filtering ponds and disinfection pond, wherein fixed biochemical pond of packing is external to have the water pump, is equipped with equipartition formula perforated pipe between water pump and the fixed biochemical pond of packing, be equipped with the pipeline between the main part unit is inside, and domestic sewage flows through the pipeline after handling, the auxiliary unit includes sludge digestion plate, air-blower and electrical system, and wherein the air-blower passes through circuit connection with electrical system, and electrical system provides power for the air-blower, sludge digestion plate links to each other with the secondary sedimentation tank, clears up again through the surplus sludge reflux with the secondary sedimentation tank to three manure pits.
2. The distributed small-sized rural domestic sewage treatment device according to claim 1, wherein a V-shaped water distribution plate is arranged at the bottom of the fixed filler biochemical pool.
3. The distributed small-sized rural domestic sewage treatment device according to claim 1, wherein a water distributor, a treater and a reflux water pump are arranged in the fixed filler biochemical pond, and a biofilm hanging member is arranged in the treater.
4. The distributed small-sized rural domestic sewage treatment device according to claim 3, wherein said return water pump is disposed in a fixed packing biochemical pool.
5. The distributed small-sized rural domestic sewage treatment device according to claim 1, wherein a plurality of partition plates are arranged in the disinfection tank, the ultraviolet searchlight is arranged on the partition plates, one end of each partition plate is fixed on the side wall of the disinfection tank, the other end of each partition plate is separated from the side wall of the disinfection tank, and an S-shaped water flow channel is formed between every two adjacent partition plates.
6. The distributed small-sized rural domestic sewage treatment device according to claim 1, wherein the three-grid septic tank, the fixed filler biochemical tank, the secondary sedimentation tank, the filtering tank, the sterilizing tank and the sludge digestion plate constitute a first virtual module, and the blower and the electric control system constitute a second virtual module.
7. The distributed small-sized rural domestic sewage treatment device according to claim 6, wherein the first virtual module is an integrated device or is integrally arranged in a ground burying manner, and the second virtual module is integrated into a device box or a device room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721872.4U CN213623725U (en) | 2020-08-18 | 2020-08-18 | Distributed small rural domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721872.4U CN213623725U (en) | 2020-08-18 | 2020-08-18 | Distributed small rural domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213623725U true CN213623725U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021721872.4U Active CN213623725U (en) | 2020-08-18 | 2020-08-18 | Distributed small rural domestic sewage treatment device |
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| CN (1) | CN213623725U (en) |
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