CN217578597U

CN217578597U - Household efficient rural domestic sewage treatment and recycling device

Info

Publication number: CN217578597U
Application number: CN202220042745.4U
Authority: CN
Inventors: 梁卫国; 范丽杏
Original assignee: Guangxi Ziyulan Environmental Technology Co ltd
Current assignee: Guangxi Ziyulan Environmental Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-10-14
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a household high-efficiency rural domestic sewage treatment and reuse device, which comprises a main body unit and an auxiliary unit, wherein the main body unit comprises a three-grid septic tank, a double-effect treatment tank and a disinfection tank; the auxiliary unit comprises a blower, a disinfection device and an electric control system. Wherein, a submersible sewage pump is arranged in the last grid of the three-grid septic tank, the double-effect treatment tank has the biological purification and filtration effects, a backwashing water pump is arranged in the disinfection tank to perform backwashing on the double-effect treatment tank, and backwashing effluent flows back to the three-grid septic tank to be cleared again. A pipeline is arranged between the inner parts of the main body units, and domestic sewage flows through the pipeline after being treated; and the auxiliary unit is connected with the air blower and the disinfection device through circuits, and the electric control system provides power for the air blower and the disinfection device.

Description

Household efficient rural domestic sewage treatment and recycling device

Technical Field

The utility model relates to a blowdown treatment facility field, especially a rural domestic sewage treatment of high-efficient and retrieval and utilization device of family formula.

Background

Rural domestic sewage is relatively dispersed compared with urban sewage, is not easy to collect and has a disordered discharge phenomenon. The sewage is discharged out of order in rural areas, and the untreated and utilized excrement and various sewage seriously pollute soil, surface water and underground water, so that the sewage becomes an important pollution source of rural environments, and the rural domestic sewage treatment is urgent.

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. the existing treatment process has the defects of long flow, low automation level, high labor intensity of operators, lack of timely professional maintenance after equipment fails, frequent shutdown of a system and even unnecessary construction of treatment facilities.

2. 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.

Based on the above series of problems, the following solutions are developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the aforesaid not enough, provide a rural domestic sewage treatment of high-efficient and retrieval and utilization device of branch family formula, realize the sewage resourceization through the degradation, be fit for the rural sewage treatment of branch family formula.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:

a household high-efficiency rural domestic sewage treatment and reuse device comprises a main body unit and an auxiliary unit, and is characterized in that the main body unit comprises a three-grid septic tank, a double-effect treatment tank and a disinfection tank; the auxiliary unit comprises a blower, a disinfection device and an electric control system. Wherein, a submersible sewage pump is arranged in the last grid of the three-grid septic tank, the double-effect tank has the biological purification and filtration effects, a backwashing water pump is arranged in the disinfection tank to perform backwashing on the double-effect treatment tank, and backwashing effluent flows back to the three-grid septic tank to be cleared again. A pipeline is arranged between the inner parts of the main body units, and domestic sewage flows through the pipeline after being treated; and the auxiliary unit is connected with the air blower and the disinfection device through circuits, and the electric control system provides power for the air blower and the disinfection device.

Furthermore, a submersible sewage pump is arranged in the last grid of the three-grid septic tank, so that sewage can be lifted to a subsequent double-effect treatment tank for treatment.

Furthermore, the double-material treatment tank is divided into two layers, the bottom layer is provided with an aeration pipe and a biological membrane hanging piece, and the top layer is provided with a filter material. A filter screen is arranged between the bottom layer and the top layer. Sewage enters the tank from the bottom of the double-effect treatment tank, is biologically decomposed through the biological membrane hanging piece, and is subjected to filtration treatment at the top of the tank.

Furthermore, a backwashing pump is arranged in the disinfection tank, a filter layer in the double-effect treatment tank can be backwashed, backwash water flows back to the front end of the three-grid septic tank through a pipeline, suspended matters and sludge in backwash water are further cleared up in the septic tank, and the sludge yield is greatly reduced.

Further, the main body unit can be an integrated device or can be integrally arranged in a buried mode, and the auxiliary unit 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 description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the process of the present invention;

figure 2 is the structure schematic diagram of the double-effect treatment tank of the utility model.

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 household rural domestic sewage treatment and recycling device. The technical solution provided by the present invention will be explained in more detail with reference to fig. 1.

As shown in figure 1, the device for treating and recycling the household rural domestic sewage comprises a main body unit and an auxiliary unit, and is characterized in that the main body unit comprises a three-grid septic tank (1), a double-effect treatment tank (2), a disinfection tank (3), and the auxiliary unit comprises an electric control system (4), a blower (5) and a disinfection device (6). Wherein be provided with stealthily dirty pump in the last check of three check septic tanks, the economic benefits and social benefits treatment pond has biological purification and filterable effect, is equipped with the backwash water pump in the disinfection pond and can carries out the back flush to economic benefits and social benefits treatment pond, and the back flush goes out the water reflux to three check septic tanks and clears up once more. A pipeline is arranged between the inner parts of the main body units, and domestic sewage flows through the pipeline after being treated; and the auxiliary unit is connected with the air blower and the disinfection device through circuits, and the electric control system provides power for the air blower and the disinfection device.

As shown in figure 1, domestic sewage at first gets into three manure pits of formatting, and three manure pits of formatting are in the utility model discloses the centre belongs to necessary step, and three manure pits of formatting are the pretreatment unit, adopt the anaerobic treatment technique, can deposit impurity to make the macromolecule organic matter hydrolyze, become micromolecule 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 water discharged from the tail end of the three-grid septic tank is lifted by a water pump to enter a double-effect treatment tank (1), which is shown in figure 2 and comprises units such as a filter material (2), a biological filler (3), a water distributor (4), an aeration head (5), a sieve plate (6) and the like; the double-effect treatment pool is the utility model discloses a must the unit, adopt aerobic treatment + filtration technology, this technique is original for this application, and this unit is the core unit of this method, and the bottom takes place aerobic treatment in the pond, but degradation organic matter by a wide margin, holds back the suspended solid to there is good removal effect to ammonia nitrogen, total phosphorus. The top layer in the tank is a filtering tank, and suspended matters can be effectively removed. A filter screen is arranged between the aerobic treatment tank and the filter tank.

The effluent of the double-effect treatment tank enters a disinfection tank which is an essential unit and can sterilize and disinfect the sewage.

Preferably, as shown in fig. 1, a backwashing pump is arranged in the disinfection tank, the filtering material of the double-effect filtering tank can be backwashed, the backwashed effluent flows back to the front end of the three-grid septic tank, suspended matters and organic sludge contained in the backwashed effluent are further digested in the septic tank, and the sludge yield of the system can be greatly reduced.

The utility model discloses the degassing unit who mentions in the middle of can reach reuse water quality of water standard to the sewage disinfection in the disinfection pond.

The utility model provides an air-blower is used as the air feed unit, provides oxygen for the microorganism in the economic benefits and social benefits processing pond, and electrical system is the must step, for power consumption units such as air-blower, water pump, degassing unit provide the power to according to equipment control requirement, actual system automatic operation accomplishes unmanned on duty.

Preferably, the three-grid septic tank, the double-effect treatment tank and the disinfection tank form a main unit, and the blower, the disinfection device and the electric control system form an auxiliary unit.

Preferably, the single unit can be an integrated device or can be integrally arranged in a buried mode, and the auxiliary unit can be integrated into a device box or a device room.

The device provided by the utility model is a small-sized integrated sewage treatment device, which is suitable for the household rural sewage

And (4) treating, namely, each pollution index can be removed in a targeted manner by adopting a combined process. The core unit adopts a double-effect treatment tank, the bottom layer of the treatment tank is a fixed filler biochemical tank, the biochemical treatment tank has the characteristics of good uniformity, multiple microorganism varieties, high treatment efficiency and good effluent quality, and the CODcr of the treatment tank is less than 50mg/L and the BOD of the treatment tank is less than ₅ ＜10mg/L，SS＜5mg/L，NH ₃ N is less than 5mg/L, total nitrogen is less than 15mg/L, total phosphorus is less than 0.5mg/L, and the number of faecal coliform bacteria is less than 1000/L. The disinfection tank adopts a mode of adding disinfectant, the operation is stable, the quality of the effluent water is good, and the effluent water completely reaches the reclaimed water reuse standard, so that the sewage is recycled.

The three-grid septic tank and the double-effect treatment tank (fixed filler biochemical tank) have good degradation effect on sludge, and the yield of residual sludge is low and is less than 40 percent of that of the conventional process.

The system has less running equipment, most pollution indexes are removed by adopting a biological removal and filtration method, only the disinfection indexes are poisoned by adopting a disinfectant adding mode, the manual participation degree is low, the system can run for more than one week after one-time dispensing, and the system can run automatically.

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

1. A household high-efficiency rural domestic sewage treatment and reuse device comprises a main body unit and an auxiliary unit, and is characterized in that the main body unit comprises a three-grid septic tank, a double-effect treatment tank and a disinfection tank; the auxiliary unit comprises a blower, a disinfection device and an electric control system; wherein a sewage submersible pump is arranged in the last grid of the three-grid septic tank, the double-effect treatment tank has the effects of biological purification and filtration, a backwashing water pump is arranged in the disinfection tank and can be used for backwashing the double-effect treatment tank, and backwashing outlet water flows back to the three-grid septic tank to be digested again; a pipeline is arranged between the inner parts of the main body units, and domestic sewage flows through the pipeline after being treated; and the auxiliary unit is connected with the air blower and the disinfection device through circuits, and the electric control system provides power for the air blower and the disinfection device.

2. The device for treating and recycling the household high-efficiency rural domestic sewage as claimed in claim 1, wherein the last compartment of the three-compartment septic tank is provided with a submersible sewage pump for lifting the sewage to a subsequent double-effect treatment tank for treatment.

3. The household high-efficiency rural domestic sewage treatment and recycling device of claim 1, wherein the inside of the double-effect treatment tank is divided into two layers, the bottom layer is provided with an aeration pipe and a biological membrane hanger, the top layer is provided with a filter material, a filter screen is arranged between the bottom layer and the top layer, sewage enters the tank from the bottom of the double-effect treatment tank, is subjected to biological decomposition through the biological membrane hanger, and is subjected to filtration treatment at the top of the tank.

4. The household high-efficiency rural domestic sewage treatment and recycling device of claim 3, wherein a backwashing pump is arranged in the disinfection tank, the backwashing pump can backwash the filter layer in the double-effect treatment tank, and the backwashed effluent flows back to the front end of the three-grid septic tank through a pipeline.

5. The device for treating and recycling household high-efficiency rural domestic sewage according to claim 1, wherein the main unit is an integrated device, and the auxiliary unit is an integrated device box.