CN104961296A - Micro-power domestic sewage treatment device - Google Patents

Abstract

The invention discloses a micro-dynamic domestic sewage treatment device, which comprises an integral airtight tank body (1), the tank body (1) passes through a first partition (2), a second partition (3), a third The partition (4) and the fourth partition (5) separate the anaerobic pond (6), the anoxic pond (7), the aerobic pond (8), the sludge return well (9) and the sedimentation pond (10), The top of described anaerobic pond (6), anoxic pond (7), aerobic pond (8), sludge backflow well (9) and settling pond (10) is provided with manhole respectively, and described anaerobic pond ( 6), the anoxic pool (7) and the aerobic pool (8) are equipped with combined fillers, and the front end of the anaerobic pool (6) is provided with a water inlet. The invention has a simple structure and improves the effective utilization rate of the integrated equipment; it can improve the fluidity of sewage and the residence time in the tank; it can promote the muddy water contact and enhance the treatment effect; and it can enhance the muddy water separation effect.

Description

A micro-dynamic domestic sewage treatment device

technical field

The invention relates to the field of domestic sewage treatment, in particular to a micro-power domestic sewage treatment device.

Background technique

With the improvement of people's living standards, the discharge of daily sewage is also gradually increasing. In some areas, there is no collection pipe network for sewage. In order not to affect the quality of people's living environment, there is an urgent need for a small domestic sewage treatment device. Treatment of domestic sewage.

Contents of the invention

The object of the present invention is to provide a small micro-power domestic sewage treatment device, which can effectively solve the problems existing in the background technology.

In order to solve the problems existing in the background technology, it includes a one-piece airtight tank body 1, which is separated by a first partition 2, a second partition 3, a third partition 4 and a fourth partition 5 Anaerobic pond 6, anoxic pond 7, aerobic pond 8, sludge return well 9 and sedimentation pond 10, described anaerobic pond 6, anoxic pond 7, aerobic pond 8, sludge return well 9 and sedimentation pond The top of 10 is provided with manhole respectively, and combined packing is all installed in described anaerobic pond 6, anoxic pond 7 and aerobic pond 8, and the front end of described anaerobic pond 6 is provided with water inlet, and this water inlet is provided with There is a water inlet pipe 11, one end of the water inlet pipe 11 extends out of the anaerobic tank 6 and is connected to the grid well, and the other end extends into the anaerobic tank 6 and is located above the bottom, and the sludge return well 9 in the A sludge return pump 12 is installed at the bottom, and the sludge return pump 12 is provided with a return pipe 13. One end of the return pipe 13 is connected to the sludge outlet end of the sludge return pump 12, and the other end passes through the aerobic pool 8 And the anoxic tank 7 extends into the anaerobic tank 6 and is located above the bottom, the first water distribution pipe 14 is arranged above the first dividing plate 2, and one end of the first water distribution pipe 1 communicates with the anaerobic tank 6, Its other end extends into the anoxic pool 7 and is located above the bottom. A second water distribution pipe 15 is arranged above the second dividing plate 3. One end of the second water distribution pipe 15 communicates with the anoxic pool 7, and its other end Extending into the aerobic pool 8 and above the bottom, a draft tube 16 is provided above the third partition 4, one end of the draft tube 16 communicates with the aerobic pool 8, and the other end passes through the fourth The partition plate 5 extends into the sedimentation tank 10 and is connected with the vertical flow tube 17. The bottom of the vertical flow tube 17 is provided with a reflector 18, and the two sides of the bottom of the sedimentation tank 10 are mirrored with obliquely arranged baffles. The bottom of the fourth dividing plate 5 is provided with a fourth guide pipe 27, one end of the fourth guide pipe 27 communicates with the sludge return well 9, and its other end passes through the baffle plate on the bottom side of the sedimentation tank 10 and extends to In the sedimentation tank 10, the rear end of the sedimentation tank 10 is provided with a water outlet, and the water outlet is provided with an outlet pipe 19; the outside of the tank body 1 is provided with a nano-bubble generator 20, and the nano-bubble generator 20 The oxygen supply end communicates with the anoxic pool 7 and the aerobic pool 8 through the first air inlet pipe 21 and the second air inlet pipe 22 respectively, and the oxygen outlet of the first air inlet pipe 21 and the second air inlet pipe 22 end is respectively located at the top of the bottom of the anoxic pool 7 and the aerobic pool 8 and is connected to the aeration pipe 23, and a general control valve 24 is installed near the oxygen supply end of the nanobubble generator 20, and the first air inlet pipe 21 A first control valve 25 and a second control valve 26 are respectively installed on the second air inlet pipe 22 .

A positive tee is installed at the bottom of the water inlet pipe 11 .

Due to the adoption of the above technical scheme, the present invention has the following beneficial effects: the result is simple, and the effective utilization rate of the integrated equipment is improved; the fluidity of sewage and the residence time in the tank can be improved; the muddy water contact can be promoted to enhance the treatment effect; and it can Enhance mud-water separation effect.

Description of drawings

In order to illustrate the present invention more clearly, the embodiments will be briefly introduced below in conjunction with the accompanying drawings.

Fig. 1 is a structural representation of the present invention;

in:

1. Tank body; 2. First partition; 3. Second partition; 4. Third partition; 5. Fourth partition; 6. Anaerobic tank; 7. Anoxic tank; 8. Aerobic tank ; 9, sludge return well; 10, sedimentation tank; 11, water inlet pipe; 12, sludge return pump; 13, return pipe; 14, first water distribution pipe; 15, second water distribution pipe; 16, diversion pipe; 17. Vertical flow tube; 18. Reflecting plate; 19. Outlet pipe; 20. Nano bubble generator; 21. First air inlet pipe; 22. Second air inlet pipe; 23. Aeration pipe; 24. Master control valve ; 25, the first control valve; 26, the second control valve.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

Referring to Fig. 1, this specific embodiment is realized by adopting the following technical scheme, which includes an integral airtight tank body 1, and the tank body 1 passes through a first partition 2, a second partition 3, a third partition 4 and a first partition Four clapboards 5 separate anaerobic pool 6, anoxic pool 7, aerobic pool 8, sludge return well 9 and settling tank 10, described anaerobic pool 6, anoxic pool 7, aerobic pool 8, sludge The tops of the return well 9 and the sedimentation tank 10 are respectively provided with manholes, and combined fillers are installed in the anaerobic pool 6, the anoxic pool 7 and the aerobic pool 8, and the front end of the anaerobic pool 6 is provided with a water inlet , the water inlet is provided with a water inlet pipe 11, one end of the water inlet pipe 11 extends out of the anaerobic pool 6 and is connected to the grid well, and the other end extends into the anaerobic pool 6 and is located above the bottom, the sewage A sludge return pump 12 is installed at the bottom of the mud return well 9, and the sludge return pump 12 is provided with a return pipe 13. One end of the return pipe 13 is connected with the sludge outlet end of the sludge return pump 12, and the other end is Through the aerobic pool 8 and the anoxic pool 7, it extends into the anaerobic pool 6 and is located above the bottom. A first water distribution pipe 14 is provided above the first partition plate 2, and one end of the first water distribution pipe 1 is connected to the anaerobic pool. Oxygen pool 6 is connected, and its other end extends into anoxic pool 7 and is positioned at the top of the bottom, and the top of described second dividing plate 3 is provided with second water distribution pipe 15, and one end of this second water distribution pipe 15 is connected with anoxic pool 7. connected to each other, the other end of which extends into the aerobic pool 8 and is located above the bottom, a draft tube 16 is arranged above the third partition 4, and one end of the draft tube 16 communicates with the aerobic pool 8, and its The other end passes through the fourth partition 5 and extends into the sedimentation tank 10 to connect with the vertical flow tube 17. The bottom of the vertical flow tube 17 is provided with a reflector 18, and the bottom of the sedimentation tank 10 is mirrored on both sides with an inclined setting. The bottom of the fourth dividing plate 5 is provided with a fourth guide pipe 27, one end of the fourth guide pipe 27 communicates with the sludge return well 9, and the other end passes through the bottom of the sedimentation tank 10. The side baffle extends into the sedimentation tank 10, the rear end of the sedimentation tank 10 is provided with a water outlet, and the water outlet is provided with an outlet pipe 19; the outside of the tank body 1 is provided with a nano-bubble generator 20, which The oxygen supply end of the nanobubble generator 20 communicates with the anoxic pool 7 and the aerobic pool 8 through the first air inlet pipe 21 and the second air inlet pipe 22 respectively, and the first air inlet pipe 21 and the second air inlet pipe 22 are connected to each other. The oxygen outlet end of wind pipe 22 is respectively positioned at anoxic pond 7 and aerobic pond 8 inner bottom upper part and is connected with aeration pipe 23, and near the oxygen supply end of described nano-bubble generator 20, master control valve 24 is installed, and described A first control valve 25 and a second control valve 26 are installed on the first air inlet pipe 21 and the second air inlet pipe 22 respectively.

A positive tee is installed at the bottom of the water inlet pipe 11 .

The working principle of the technical solution in this specific embodiment will be further elaborated below in conjunction with the accompanying drawings:

1. There is a grid well at the front end of the integrated tank body 1, and a lifting pump suction well is installed in the grid well, and the sewage enters the integrated equipment through the lifting pump, reducing the function of the lifting well in the integrated tank body 1, thereby improving the integrated tank. The effective utilization rate of the body;

2. Adopt the form of water distribution from the bottom to the top, which can improve the fluidity of the sewage and the residence time in the tank 1;

3. The front end of the sedimentation tank 10 is provided with a sludge return well 9, and the returned sludge is sent to the anaerobic tank 6, so that the purpose of sludge return can be achieved, and at the same time, the sludge in the anaerobic tank 6 can also be discharged. The stirring effect of the sludge promotes the mud-water contact and enhances the treatment effect;

4. A vertical flow tube 17 and a reflection plate 18 are added to the settling tank 10 to enhance the mud-water separation effect.

5. We also use the international advanced nano-bubble generator 20 to replace the traditional fan. The oxygen transmission rate of the traditional fan is less than 15%, and the oxygen transmission rate of the nano-bubble can reach more than 85%. The residence time of oxygen in water is less than 30 seconds in traditional fans, and more than 5 minutes in nano-bubble oxygen. At the same time, nano-bubbles can improve biological activity, strong oxidation and sterilization.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (2)

1. A micro-power domestic sewage treatment device is characterized in that it comprises an integrated airtight tank body (1), and the tank body (1) passes through the first dividing plate (2), the second dividing plate (3), the second dividing plate The three partitions (4) and the fourth partition (5) separate the anaerobic tank (6), the anoxic tank (7), the aerobic tank (8), the sludge return well (9) and the sedimentation tank (10) , the top of the anaerobic pond (6), the anoxic pond (7), the aerobic pond (8), the sludge return well (9) and the sedimentation pond (10) are respectively provided with manholes, and the anaerobic pond (6), the anoxic pool (7) and the aerobic pool (8) are equipped with combined fillers, the front end of the anaerobic pool (6) is provided with a water inlet, and the water inlet is provided with a water inlet pipe (11) One end of the water inlet pipe (11) extends out of the anaerobic tank (6) and is connected with the grid well, and the other end extends into the anaerobic tank (6) and is located above the bottom, and the sludge return well ( 9) A sludge return pump (12) is installed at the bottom of the interior, and the sludge return pump (12) is provided with a return pipe (13), and one end of the return pipe (13) is connected to the sludge return pump (12) The mud outlet ends are connected, and the other end passes through the aerobic pool (8) and the anoxic pool (7) and extends into the anaerobic pool (6) and is located above the bottom, and the top of the first partition (2) is provided with The first water distribution pipe (14), one end of the first water distribution pipe (1) communicates with the anaerobic tank (6), and its other end extends into the anoxic tank (7) and is located above the bottom, the second dividing plate (3) is provided with a second water distribution pipe (15), one end of the second water distribution pipe (15) communicates with the anoxic pool (7), and its other end extends into the aerobic pool (8) and is located at the bottom Above, the top of the third partition (4) is provided with a guide tube (16), one end of the guide tube (16) communicates with the aerobic pool (8), and its other end passes through the fourth partition (5) extending into the sedimentation tank (10) and connecting with the vertical flow cylinder (17), the bottom of the vertical flow cylinder (17) is provided with a reflector (18), and the bottom two sides of the sedimentation tank (10) are mirrored An inclined baffle is provided, and a fourth diversion pipe (27) is provided at the bottom of the fourth partition (5), and one end of the fourth diversion pipe (27) is connected to the sludge return well (9) The other end passes through the baffle on the bottom side of the sedimentation tank (10) and extends into the sedimentation tank (10). The rear end of the sedimentation tank (10) is provided with a water outlet, and the water outlet is provided with an outlet pipe (19); the outside of the tank body (1) is provided with a nanobubble generator (20), and the oxygen supply end of the nanobubble generator (20) passes through the first air inlet pipe (21) and the second air inlet respectively. The pipe (22) communicates with the anoxic pool (7) and the aerobic pool (8), and the oxygen outlet ends of the first air inlet pipe (21) and the second air inlet pipe (22) are respectively located in the anoxic pool (7) link to each other with the aeration pipe (23) above the inner bottom of the aerobic tank (8), and a master control valve (24) is installed near the oxygen supply end of the nanobubble generator (20), and the first described A first control valve (25) and a second control valve (26) are respectively installed on the air inlet pipe (21) and the second air inlet pipe (22). 2. A micro-power domestic sewage treatment device according to claim 1, characterized in that a positive tee is installed at the bottom of the water inlet pipe (11).