CN211170251U

CN211170251U - Purification tank for decentralized domestic sewage treatment

Info

Publication number: CN211170251U
Application number: CN201921648891.6U
Authority: CN
Inventors: 昝云桐
Original assignee: Tianjin Zhengkun Water Treatment Co ltd
Current assignee: Tianjin Zhengkun Water Treatment Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-04
Anticipated expiration: 2029-09-29

Abstract

A purification tank for decentralized domestic sewage treatment is characterized in that a plurality of groups of partition plates are arranged in a shell of the purification tank to divide the interior of the purification tank into a precipitation tank, an aeration tank and a reaction tank; the cover plate is rotationally connected above the precipitation tank; the water inlet pipe is arranged at the upper part of the precipitation tank; the supporting block is connected in the sedimentation tank and positioned below the water inlet pipe, and the coarse filtering device is arranged on the supporting block; the first filter screen is connected to the partition board close to the precipitation tank; the supporting filter plate is arranged in the aeration tank, and the filler is arranged on the supporting filter plate; the air pump is arranged on the purifying tank shell, and an air pipe is arranged at the air outlet end of the air pump and extends into the lower part of the supporting filter plate; the liquid medicine box is arranged on the purifying tank shell, and a liquid adding pipe is arranged on the liquid medicine box and extends into the reaction tank; the second filter screen is horizontally arranged in the reaction tank; the drain pipe is arranged at the lower part of the reaction tank, and a second valve is arranged on the drain pipe. The utility model discloses coarse filter screen can take out to change and wash, and the clearance of filtering rubbish is convenient, and sewage purification treatment is effectual.

Description

Purification tank for decentralized domestic sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a purify groove for decentralized domestic sewage treatment.

Background

Distributed sewage treatment is relative to centralized treatment of sewage, and mainly means that sewage is subjected to in-situ treatment so as to reach the standard of discharge or recycling. The municipal sewage treatment system is a centralized treatment system, and sewage in a defined sewage discharge range is collected and then conveyed to a sewage treatment plant through a pipe network system for unified centralized treatment. In the centralized treatment mode, the investment of municipal pipe networks accounts for 60-70% of the investment of sewage treatment, if a certain area is remote and the amount of generated sewage is small, the investment of the pipe network part can be too large when the sewage is connected into the pipe network, and the sewage can be treated independently in the time, and compared with the large-scale centralized treatment, the treatment of the sewage is distributed treatment.

At present, the economic development degree of vast rural areas in China is relatively lagged behind, but the problem of water pollution is urgent, and the distributed treatment is a better choice. Taking a village as an example, sewage of a plurality of families with relatively concentrated residences in the village can be collected and then concentrated, so that the residences can be distributed by one family, and the technologies of the distributed sewage treatment tanks have the advantages of low investment, simple operation management and better treatment effect. But most sewage treatment groove exist at present and clear up the problem that wastes time and energy.

In order to solve the above problems, a purification tank for decentralized domestic sewage treatment is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a purify groove for decentralized domestic sewage treatment, coarse filtration net can take out to change the washing, and it is convenient to filter the rubbish clearance, and sewage purification handles effectually.

(II) technical scheme

The utility model provides a purification tank for decentralized domestic sewage treatment, which comprises a purification tank shell, a cover plate, a stop block, a water inlet pipe, a supporting block, a sewage outlet, a first filter screen, an air pump, a flow dividing pipe, a supporting filter plate, a liquid medicine box, a second filter screen and a drain pipe;

a plurality of groups of clapboards are arranged in the purifying tank shell to divide the interior into a settling tank, an aeration tank and a reaction tank; the cover plate is rotationally connected above the precipitation tank; the stop block is connected to the side wall of the precipitation tank; the water inlet pipe is arranged at the upper part of the precipitation tank; the supporting block is connected in the sedimentation tank and positioned below the water inlet pipe, and the coarse filtering device is arranged on the supporting block; the coarse filtering device comprises connecting plates at two sides and a coarse filtering net arranged at the lower end of the connecting plates; the sewage draining port is arranged at the lower part of the precipitation tank, and a sealing cover is arranged on the sewage draining port; the first filter screen is connected to the partition board close to the precipitation tank; the supporting filter plate is arranged in the aeration tank, and the filler is arranged on the supporting filter plate; the air pump is arranged on the purifying tank shell, and an air pipe is arranged at the air outlet end of the air pump and extends into the lower part of the supporting filter plate; the shunt tubes are connected to the air pipes, and a plurality of groups of aerators are arranged on the shunt tubes; the liquid medicine box is arranged on the purifying tank shell, and a liquid adding pipe is arranged on the liquid medicine box and extends into the reaction tank; the liquid feeding pipe is provided with a first valve; the second filter screen is horizontally arranged in the reaction tank; the drain pipe is arranged at the lower part of the reaction tank, and a second valve is arranged on the drain pipe.

Preferably, the bottom of the settling tank is provided with a flow guide plate, and the lower end of the flow guide plate is connected with a sewage draining outlet.

Preferably, the settling tank is internally provided with a slow flow plate, and the slow flow plate is positioned below the coarse filtration device.

Preferably, be provided with on the apron and make things convenient for pivoted handle and be used for observing the observation window of coarse filtration device filter residue volume.

Preferably, the connecting plates at the two ends of the coarse filtering device are both provided with a flow guide block.

Preferably, the coarse filtration device is provided with a lifting rope, and the side wall of the precipitation tank is provided with a hook for hanging the lifting rope.

Preferably, the aerator is a membrane type microporous aerator.

The above technical scheme of the utility model has following profitable technological effect: domestic sewage passes through the inlet tube and gets into in the purification tank casing, thick debris or rubbish in to domestic sewage are filtered through coarse filtration device and are got rid of, sewage flows into the precipitation tank for the back through the rate of going out of the country, deposit in the precipitation tank, mud or debris deposit in the bottom, the supernatant enters into the aeration tank through first filter screen, air pump work lets in gas in to the aeration tank, and carry out purification treatment to sewage through the filler, sewage after the purification flows into the reaction tank, add purification reaction liquid medicine through liquid medicine case reaction inslot, improve the purification treatment effect to sewage, the second filter screen that sets up simultaneously filters the debris that the reaction produced, ensure to reach emission standard from drain pipe discharge sewage, coarse filtration device accessible apron takes out and washs, not only make things convenient for the discharge of rubbish and improve the sewage filter effect. The utility model discloses coarse filter screen can take out to change and wash, and the clearance of filtering rubbish is convenient, and sewage purification treatment is effectual.

Drawings

FIG. 1 is a schematic structural view of a purification tank for decentralized domestic sewage treatment according to the present invention.

Fig. 2 is a schematic structural view of a cover plate in a purification tank for decentralized domestic sewage treatment according to the present invention.

Fig. 3 is a schematic structural view of a coarse filtration device in a purification tank for decentralized domestic sewage treatment according to the present invention.

Reference numerals: 1. a purge tank housing; 101. a settling tank; 102. an aeration tank; 103. a reaction tank; 2. a partition plate; 3. a cover plate; 31. a handle; 32. an observation window; 4. a stopper; 5. a water inlet pipe; 6. a support block; 7. a coarse filtration device; 71. a connecting plate; 72. a flow guide block; 73. a coarse filter screen; 8. a lifting rope; 81. hooking; 9. a baffle; 10. a sewage draining outlet; 11. a buffer plate; 12. a first filter screen; 13. an air pump; 14. an air tube; 15. a shunt tube; 16. an aerator; 17. supporting the filter plate; 18. a filler; 19. a liquid medicine box; 20. a liquid feeding pipe; 21. a first valve; 22. a second filter screen; 23. a drain pipe; 24. a second valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the purification tank for decentralized domestic sewage treatment provided by the present invention comprises a purification tank shell 1, a cover plate 3, a stop block 4, a water inlet pipe 5, a supporting block 6, a sewage outlet 10, a first filter screen 12, an air pump 13, a shunt pipe 15, a supporting filter plate 17, a liquid medicine tank 19, a second filter screen 22 and a drain pipe 23;

a plurality of groups of clapboards 2 are arranged in the purifying tank shell 1 to divide the interior into a settling tank 101, an aeration tank 102 and a reaction tank 103; the cover plate 3 is rotatably connected above the precipitation tank 101; the stop block 4 is connected to the side wall of the precipitation tank 101; the water inlet pipe 5 is arranged at the upper part of the sedimentation tank 101; the supporting block 6 is connected in the settling tank 101 and is positioned below the water inlet pipe 5, and the coarse filtering device 7 is arranged on the supporting block 6; the coarse filtering device 7 comprises connecting plates 71 at two sides and a coarse filtering net 73 arranged at the lower end of the connecting plates 71; the sewage draining exit 10 is arranged at the lower part of the precipitation tank 101, and a sealing cover is arranged on the sewage draining exit 10; the first filter screen 12 is connected to the partition plate 2 close to the settling tank 101; the supporting filter plate 17 is arranged in the aeration tank 102, and the filler 18 is arranged on the supporting filter plate 17; the air pump 13 is arranged on the purifying tank shell 1, and an air pipe 14 arranged at the air outlet end of the air pump 13 extends into the lower part of the supporting filter plate 17; the shunt tubes 15 are connected to the air pipe 14, and a plurality of groups of aerators 16 are arranged on the shunt tubes 15; the liquid medicine box 19 is arranged on the purifying tank shell 1, and a liquid adding pipe 20 arranged on the liquid medicine box 19 extends into the reaction tank 103; the liquid feeding pipe 20 is provided with a first valve 21; the second filter screen 22 is horizontally arranged in the reaction tank 103; the drain pipe 23 is provided at the lower part of the reaction tank 103, and a second valve 24 is provided in the drain pipe 23.

In the utility model, domestic sewage enters the purifying tank shell 1 through the water inlet pipe 5, coarse sundries or garbage in the domestic sewage are filtered and removed through the coarse filtering device 7, the sewage flows into the settling tank 101 after the domestic sewage is in the state of the country, precipitating in the precipitation tank 101, precipitating sludge or impurities at the bottom, introducing supernatant into the aeration tank 102 through the first filter screen 12, introducing gas into the aeration tank 102 by the operation of the gas pump 13, and the sewage is purified by the filler 18, the purified sewage flows into the reaction tank 103, the purifying reaction liquid medicine is added into the reaction tank 103 of the liquid medicine box 19, so that the purifying treatment effect on the sewage is improved, the second filter screen 22 that sets up simultaneously filters the debris that the reaction produced, ensures to follow drain pipe 23 discharge sewage and reach emission standard, and coarse filter 7 accessible apron 3 takes out and washs, not only makes things convenient for the discharge of rubbish but also improves sewage filter effect. The utility model discloses coarse filter screen can take out to change and wash, and the clearance of filtering rubbish is convenient, and sewage purification treatment is effectual.

In an alternative embodiment, the bottom of the precipitation tank 101 is provided with a flow guide plate 9, and the lower end of the flow guide plate 9 is connected with a sewage draining outlet 10.

It should be noted that the guide plate 9 arranged at the bottom of the settling tank 101 facilitates discharging the settled sludge and impurities through the sewage outlet 10.

In an alternative embodiment, the settling tank 101 is provided with a slow flow plate 11, and the slow flow plate 11 is positioned below the coarse filtration device 7.

It should be noted that the flow-slowing plate 11 is arranged to slow down the water flow speed, so as to improve the settling effect of the sewage in the settling tank 101 and prevent the sewage from being unable to settle due to the impact of high-speed flowing of the sewage.

In an alternative embodiment, the cover plate 3 is provided with a handle 31 for facilitating rotation and an observation window 32 for observing the amount of the residue in the coarse filter device 7.

It should be noted that, the setting of the cover plate 3 is convenient to clear away the impurities in the coarse filtering device 7, the setting of the handle 31 is convenient to rotate the cover plate 3, and the setting of the observation window 32 is convenient to see the amount of the impurities in the coarse filtering device 7, so that the impurities can be cleared in time to ensure the filtering effect.

In an alternative embodiment, the two end connecting plates 71 of the coarse filtering device 7 are provided with flow guiding blocks 72.

It should be noted that coarse filtration device 7 is used for filtering the thick debris in the domestic sewage, avoids debris to shelter from the filter screen and influences the sewage purification treatment effect, and the setting of water conservancy diversion piece 72 effectively ensures that sewage debris passes through the filtration of coarse filtration device 7.

In an alternative embodiment, the coarse filter device 7 is provided with a lifting rope 8, and the side wall of the settling tank 101 is provided with a hook 81 for hanging the lifting rope 8.

It should be noted that, the coarse filtering device 7 is conveniently taken out and cleaned by arranging the lifting rope 8, the filtering effect on the domestic sewage is effectively ensured, the lifting rope 8 is fixed and limited by the arrangement of the hook 81, and the lifting rope is conveniently taken.

In an alternative embodiment, the aerator 16 is a membrane micro-porous aerator.

The diaphragm type microporous aerator has small aeration bubble diameter, small gas-liquid interface diameter, large gas-liquid interface area, uniform bubble diffusion and no eyelet blockage.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A purification tank for decentralized domestic sewage treatment is characterized by comprising a purification tank shell (1), a cover plate (3), a stop block (4), a water inlet pipe (5), a supporting block (6), a sewage discharge outlet (10), a first filter screen (12), an air pump (13), a flow dividing pipe (15), a supporting filter plate (17), a liquid medicine box (19), a second filter screen (22) and a drain pipe (23);

a plurality of groups of clapboards (2) are arranged in the purification tank shell (1) to divide the interior into a sedimentation tank (101), an aeration tank (102) and a reaction tank (103); the cover plate (3) is rotatably connected above the settling tank (101); the stop block (4) is connected to the side wall of the sedimentation tank (101); the water inlet pipe (5) is arranged at the upper part of the settling tank (101); the supporting block (6) is connected in the settling tank (101) and is positioned below the water inlet pipe (5), and the coarse filtering device (7) is arranged on the supporting block (6); the coarse filtering device (7) comprises connecting plates (71) at two sides and a coarse filtering net (73) arranged at the lower end of the connecting plates (71); the sewage draining outlet (10) is arranged at the lower part of the sedimentation tank (101), and a sealing cover is arranged on the sewage draining outlet (10); the first filter screen (12) is connected to the partition board (2) close to the settling tank (101); the support filter plate (17) is arranged in the aeration tank (102), and the filler (18) is arranged on the support filter plate (17); the air pump (13) is arranged on the purification tank shell (1), and an air pipe (14) arranged at the air outlet end of the air pump (13) extends into the lower part of the support filter plate (17); the shunt pipe (15) is connected to the air pipe (14), and a plurality of groups of aerators (16) are arranged on the shunt pipe (15); the liquid medicine box (19) is arranged on the purifying tank shell (1), and a liquid adding pipe (20) is arranged on the liquid medicine box (19) and extends into the reaction tank (103); the liquid adding pipe (20) is provided with a first valve (21); the second filter screen (22) is horizontally arranged in the reaction tank (103); the drain pipe (23) is arranged at the lower part of the reaction tank (103), and the drain pipe (23) is provided with a second valve (24).

2. A purification tank for decentralized domestic sewage treatment according to claim 1, characterized in that the bottom of the settling tank (101) is provided with a flow deflector (9), and the lower end of the flow deflector (9) is connected to the sewage drain (10).

3. A purification tank for decentralized domestic sewage treatment according to claim 1, characterized in that the settling tank (101) is provided with a flow slowing plate (11), the flow slowing plate (11) being located below the coarse filtration device (7).

4. A purification tank for decentralized domestic sewage treatment according to claim 1, characterized in that the cover plate (3) is provided with a handle (31) for easy rotation and an observation window (32) for observing the amount of the sludge of the coarse filter device (7).

5. A purification tank for decentralized domestic sewage treatment according to claim 1, characterized in that the connection plates (71) at both ends of the coarse filtration device (7) are provided with flow guide blocks (72).

6. A purification tank for decentralized domestic sewage treatment according to claim 1, characterized in that the coarse filtration device (7) is provided with a lifting rope (8), and the side wall of the settling tank (101) is provided with a hook (81) for hanging the lifting rope (8).

7. The purification tank for decentralized domestic sewage treatment according to claim 1, characterized in that the aerator (16) is a membrane micro-aerator.