Integrated sewage integrated treatment system

Abstract

The utility model discloses an integrated sewage integrated treatment system which comprises a base, a mixing tank, a rough filtration tank, an anaerobic tank, an aerobic tank and a membrane tank are sequentially and fixedly mounted on the base from left to right, stirring mechanisms are mounted in the mixing tank and the anaerobic tank, a high-permeability membrane module is mounted in the membrane tank, and the high-permeability membrane module is mounted in the membrane tank. A lifting pump is mounted in the rough filtration tank, and the output end of the lifting pump is communicated with the interior of the anaerobic tank. According to the utility model, sewage enters the aerobic tank again to be decomposed again, so that organic matters are treated more thoroughly, and then the sewage continuously enters the membrane tank and is filtered by the high-permeability membrane to finally reach the emission standard; and accumulated sludge is filtered at the bottom of the membrane tank, and the sludge backflow device is started to reversely inject the sludge into the anaerobic tank to assist decomposition of anaerobic bacteria, so that the device has the advantages of improving the treatment efficiency, increasing the effective efficiency of the anaerobic bacteria and being better in treatment effect.

Description

Technical Field

[0001] The utility model relates to the technical field of integrated sewage treatment, and specifically, to an integrated sewage integrated treatment system. Background Art

[0002] Integrated sewage integrated treatment systems are widely used in places such as residential communities, resorts, industrial parks, remote areas, etc., especially in places lacking centralized sewage treatment facilities. With the improvement of environmental protection awareness and the progress of sewage treatment technology, the demand and application of such systems are continuously increasing.

[0003] Currently, in the existing integrated sewage integrated treatment equipment, an anaerobic structure is integrated to better treat sewage. After the sewage passes through the anaerobic tank, the agitator starts in the anaerobic tank. Under the action of anaerobic bacteria, macromolecular organic matter is decomposed into small molecular organic matter, and at the same time, nitrate nitrogen is reduced to nitrogen and water. In the aerobic tank, small molecular organic matter is decomposed by aerobic bacteria into carbon dioxide and water to remove organic pollutants in the water, and at the same time, organic nitrogen is oxidized to nitrate nitrogen.

[0004] In the initial stage of operation, the amount of sludge in the anaerobic tank is small, and the effect of anaerobic bacteria is not good. Therefore, the initial treatment effect is not good, the sludge accumulation speed is slow, and the sewage treatment effect is affected. Summary of the Utility Model

[0005] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide an integrated sewage integrated treatment system, which realizes the reflux of sludge inside the anaerobic tank through a sludge reflux device to improve the sewage treatment efficiency.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions.

[0007] An integrated sewage integrated treatment system, including a base. From left to right, a mixing tank, a coarse filtration tank, an anaerobic tank, an aerobic tank, and a membrane tank are fixedly installed on the base. Stirring mechanisms are installed inside both the mixing tank and the anaerobic tank. A high-permeability membrane module is installed inside the membrane tank. A lift pump is installed inside the coarse filtration tank. The output end of the lift pump is communicated with the inside of the anaerobic tank. The mixing tank and the coarse filtration tank are communicated through a pipeline. The anaerobic tank, the aerobic tank, and the membrane tank are connected through pipelines. A sludge reflux device is installed between the membrane tank and the anaerobic tank.

[0008] As a further description of the above technical solution: The high-permeability membrane module includes a high-permeability membrane group, a top box, and a water pump. The top of the high-permeability membrane group is fixedly communicated with the top box. The water pump is fixedly installed on the right side of the top box. The input end of the water pump is communicated with the inside of the top box. The output end of the water pump is connected to an external drainage place.

[0009] As a further description of the above technical solution: The stirring mechanism includes a driving motor and a stirring rod. The driving motor is fixedly installed on the wall of the mixing tank, and the driving motor on the right side is installed inside the anaerobic tank. The output end of the driving motor is fixedly connected to the stirring rod through a coupling, and the bottom end of the stirring rod extends downward.

[0010] As a further description of the above technical solution: The sludge reflux device includes a reflux pipe, a sewage suction pump, and a diversion pipe. One end of the reflux pipe is inserted into the inside of the membrane tank, the other end of the reflux pipe is fixedly connected to the input end of the sewage suction pump, the output end of the sewage suction pump is fixedly connected to the diversion pipe, and the other end of the diversion pipe is inserted into the inside of the anaerobic tank.

[0011] As a further description of the above technical solution: The bottom of the membrane tank is provided with an arc surface, and the connecting end of the reflux pipe to the membrane tank faces the lowest point of the arc surface.

[0012] As a further description of the above technical solution: A water inlet pipe is fixedly installed on the left side of the mixing tank.

[0013] Compared with the prior art, the advantages of the present utility model are as follows:

[0014] In this solution, the sludge reflux device is used to reflux the sludge inside the anaerobic tank, thereby realizing the advantages that the device has improved treatment efficiency, increased the effective efficiency of anaerobic bacteria, and better treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a partial three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 3 is a partial front cross-sectional structural schematic diagram of the present utility model;

[0018] Figure 4 is a front cross-sectional structural schematic diagram of the coarse filter tank of the present utility model.

[0019] Explanation of the reference numerals in the drawings:

[0020] 1, base; 2, mixing tank; 21, water inlet pipe; 3, coarse filter tank; 4, anaerobic tank; 5, aerobic tank; 6, membrane tank; 61, arc surface; 7, high-permeability membrane module; 71, high-permeability membrane group; 72, top box; 73, water pump; 8, lift pump; 9, stirring mechanism; 91, driving motor; 92, stirring rod; 10, sludge reflux device; 101, reflux pipe; 102, sewage suction pump; 103, diversion pipe. DETAILED DESCRIPTION OF THE INVENTION

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0022] Please refer to Figures 1 to 4 In the present utility model, an integrated sewage treatment system includes a base 1. A mixing tank 2, a coarse filtration tank 3, an anaerobic tank 4, an aerobic tank 5, and a membrane tank 6 are fixedly installed on the base 1 in sequence from left to right. Stirring mechanisms 9 are installed inside both the mixing tank 2 and the anaerobic tank 4. A high-permeability membrane module 7 is installed inside the membrane tank 6. A lift pump 8 is installed inside the coarse filtration tank 3. The output end of the lift pump 8 communicates with the inside of the anaerobic tank 4. The mixing tank 2 and the coarse filtration tank 3 are connected by a pipeline. The anaerobic tank 4, the aerobic tank 5, and the membrane tank 6 are connected by pipelines. A sludge reflux device 10 is installed between the membrane tank 6 and the anaerobic tank 4.

[0023] In the present utility model, the base 1 is used as an integrated installation base for the device. During use, sewage is first injected into the inside of the mixing tank 2, and the stirring mechanism 9 is driven to mix the incoming sewage, so that the sewage containing sludge is more evenly mixed. Then the sewage flows into the inside of the coarse filtration tank 3 through a pipeline. The coarse filtration tank 3 filters out blocky stones, fibers, and large solid particles, and the lift pump 8 is started to inject the coarsely filtered sewage into the inside of the anaerobic tank 4, and the stirring mechanism 9 inside the anaerobic tank 4 is started to stir, so that under the action of anaerobic bacteria, macromolecular organic matter is decomposed into small-molecular organic matter, and at the same time nitrate nitrogen is reduced to nitrogen and water. In the aerobic tank, small-molecular organic matter is decomposed by aerobic bacteria into carbon dioxide and water to remove organic pollutants in the water. Then the sewage enters the aerobic tank again for secondary decomposition treatment, so that the treatment of organic matter is more thorough. Then the sewage continues to enter the inside of the membrane tank 6 for high-permeability membrane filtration and finally reaches the discharge standard. And for the sludge accumulated by filtration at the bottom of the membrane tank 6, the sludge reflux device 10 is started to inject the sludge reversely into the inside of the anaerobic tank 4 to assist the anaerobic bacteria in decomposition. Thus, the device has the advantages of improving the treatment efficiency, increasing the effective efficiency of anaerobic bacteria, and better treatment effect, and solves the problems in the prior art that in the initial stage of operation, the amount of sludge in the anaerobic tank is small, the effect of anaerobic bacteria is poor, so the initial treatment effect is poor, the sludge accumulation speed is slow, and the sewage treatment effect is affected.

[0024] Please refer to Figure 2 And Figure 3 Among them: The high-permeability membrane module 7 includes a high-permeability membrane group 71, a top box 72, and a water pump 73. The top of the high-permeability membrane group 71 is fixedly connected and communicated with the top box 72. The water pump 73 is fixedly installed on the right side of the top box 72. The input end of the water pump 73 communicates with the inside of the top box 72. The output end of the water pump 73 is connected to an external drainage place.

[0025] In the present utility model, the sewage is treated by the high-permeability membrane group 71, and then the water pump 73 is started to pump out and discharge the filtered water through the top box 72, so as to achieve the complete treatment and discharge of the sewage.

[0026] Please refer to Figure 2 , wherein: the stirring mechanism 9 includes a driving motor 91 and a stirring rod 92. The driving motor 91 is fixedly installed on the wall of the mixing tank 2, and the driving motor 91 on the right side is installed inside the anaerobic tank 4. The output end of the driving motor 91 is fixedly connected to the stirring rod 92 through a coupling, and the bottom end of the stirring rod 92 extends downward.

[0027] In the present utility model, by starting the driving motor 91 to drive the stirring rod 92 to rotate, the sewage inside the mixing tank 2 and the anaerobic tank 4 is mixed and stirred, improving the sewage treatment efficiency.

[0028] Please refer to Figure 1 and Figure 2 , wherein: the sludge reflux device 10 includes a reflux pipe 101, a sewage suction pump 102 and a diversion pipe 103. One end of the reflux pipe 101 is inserted into the membrane tank 6, the other end of the reflux pipe 101 is fixedly connected to the input end of the sewage suction pump 102, the output end of the sewage suction pump 102 is fixedly connected to the diversion pipe 103, and the other end of the diversion pipe 103 is inserted into the anaerobic tank 4.

[0029] In the present utility model, by starting the sewage suction pump 102, the sludge accumulated inside the membrane tank 6 is pumped out through the reflux pipe 101 and injected into the anaerobic tank 4 through the diversion pipe 103, improving the working efficiency of anaerobic bacteria.

[0030] Please refer to Figure 3 , wherein: an arc surface 61 is provided at the bottom of the membrane tank 6, and the connecting end of the reflux pipe 101 to the membrane tank 6 faces the lowest point of the arc surface 61.

[0031] In the present utility model, due to the arc surface 61, the sludge at the bottom accumulates towards the center, facilitating absorption and reflux.

[0032] Please refer to Figure 1 and Figure 2 , wherein: a water inlet pipe 21 is fixedly installed on the left side of the mixing tank 2.

[0033] In the present utility model, through the water inlet pipe 21, it is convenient to connect to the sewage pipe to achieve the entry of sewage.

[0034] The above is only the preferred specific implementation manner of the present utility model; however, the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. Integrated sewage integrated treatment system, including a base (1), characterized in that: The base (1) is successively and fixedly installed with a mixing tank (2), a coarse filtration tank (3), an anaerobic tank (4), an aerobic tank (5) and a membrane tank (6) from left to right. Stirring mechanisms (9) are installed inside both the mixing tank (2) and the anaerobic tank (4). A high-permeability membrane module (7) is installed inside the membrane tank (6). A lift pump (8) is installed inside the coarse filtration tank (3). The output end of the lift pump (8) communicates with the inside of the anaerobic tank (4). The mixing tank (2) and the coarse filtration tank (3) are connected by a pipeline. The anaerobic tank (4), the aerobic tank (5) and the membrane tank (6) are connected by pipelines. A sludge reflux device (10) is installed between the membrane tank (6) and the anaerobic tank (4).

2. The integrated sewage treatment system according to claim 1, characterized in that: The high-permeability membrane module (7) includes a high-permeability membrane group (71), a top box (72) and a water pump (73). The top of the high-permeability membrane group (71) is fixedly communicated with the top box (72). The water pump (73) is fixedly installed on the right side of the top box (72). The input end of the water pump (73) communicates with the inside of the top box (72). The output end of the water pump (73) is connected to an external drainage point.

3. The integrated sewage treatment system according to claim 1, characterized in that: The stirring mechanism (9) includes a driving motor (91) and a stirring rod (92). The driving motor (91) is fixedly installed on the wall of the mixing tank (2), and the driving motor (91) on the right side is installed inside the anaerobic tank (4). The output end of the driving motor (91) is fixedly connected to the stirring rod (92) through a coupling. The bottom end of the stirring rod (92) extends downward.

4. The integrated sewage treatment system according to claim 1, characterized in that: The sludge reflux device (10) includes a reflux pipe (101), a sewage suction pump (102) and a diversion pipe (103). One end of the reflux pipe (101) is inserted into the inside of the membrane tank (6). The other end of the reflux pipe (101) is fixedly connected to the input end of the sewage suction pump (102). The output end of the sewage suction pump (102) is fixedly connected to the diversion pipe (103). The other end of the diversion pipe (103) is inserted into the inside of the anaerobic tank (4).

5. The integrated sewage treatment system according to claim 4, wherein: The bottom of the membrane tank (6) is provided with an arc surface (61). The connecting end of the reflux pipe (101) to the membrane tank (6) faces the lowest point of the arc surface (61).

6. The integrated sewage treatment system according to claim 1, characterized in that: A water inlet pipe (21) is fixedly installed on the left side of the mixing tank (2).

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