CN219031903U

CN219031903U - Biochemical pool

Info

Publication number: CN219031903U
Application number: CN202223482008.5U
Authority: CN
Inventors: 傅志忠; 傅志哲
Original assignee: Fujian Zhongwei Construction Development Co ltd
Current assignee: Fujian Zhongwei Construction Development Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-16
Anticipated expiration: 2032-12-23

Abstract

The application relates to a biochemical tank, which comprises an anaerobic tank and an aerobic tank, wherein the anaerobic tank is communicated with the aerobic tank through a communication groove at the upper part, and sewage sequentially flows through the anaerobic tank and the aerobic tank for treatment; a suspension ball filler is arranged in the anaerobic tank; the anaerobic tank is provided with an interception net to cover the communication groove, the mesh diameter of the interception net is smaller than that of the suspension ball filler, and the interception net is used for intercepting the suspension ball filler; the interception net comprises a first interception net piece and a second interception net piece which are connected at an included angle, and the sharp angles of the first interception net piece and the second net piece face the anaerobic tank. The application sets up the interception net that has the contained angle through the intercommunication groove between anaerobic tank and good oxygen pond to the both sides of interception net are separated to the suspension ball filler in the anaerobic tank, reduce the suspension ball filler and pile up, block up the condition emergence of interception net.

Description

Biochemical pool

Technical Field

The application relates to the technical field of sewage treatment, in particular to a biochemical tank.

Background

The biochemical pond refers to a structure which is used for carrying out cellular precipitation on domestic sewage and carrying out anaerobic digestion and filtering treatment on sludge.

The working principle of the biochemical tank is as follows: decomposing organic condensate (garbage such as feces) in a biochemical tank by utilizing microorganisms, and precipitating the decomposed condensate to the bottom of the tank; and the sewage after preliminary purification is discharged again for subsequent treatment.

In the existing water treatment process, a biochemical tank comprises an anaerobic tank and an aerobic tank, and fillers are placed in the anaerobic tank and the aerobic tank and used for microbial film formation so as to decompose organic matters in water.

The filler is generally biological rope filler, suspension ball filler and the like, wherein the biological rope filler can be directly tied on a filler bracket through PP (Polypropylene) and PE (polyethylene) strapping tapes, and then the filler bracket is immersed into sewage for treatment. But the biological rope filler can only nearly purify water quality in specific areas. Therefore, in the sewage treatment process, workers can throw in the suspended ball filler in the biochemical tank, and the suspended ball filler can freely move in all directions in water so as to further improve the sewage treatment effect.

In the process that water sequentially flows through the anaerobic tank, enters the aerobic tank and flows out through the water outlet, part of suspended ball filler is continuously accumulated in the interception net between different areas. When the suspended ball filler is excessively accumulated, water flow can be blocked, and even the sewage treatment process is affected.

Disclosure of Invention

In order to reduce the occurrence of the conditions of stacking and blocking the biochemical pond by the suspension ball filler, the application provides the biochemical pond.

The application provides a biochemical pond adopts following technical scheme:

the biochemical pond comprises an anaerobic pond and an aerobic pond, wherein the anaerobic pond is communicated with the aerobic pond through a communication groove at the upper part, and sewage sequentially flows through the anaerobic pond and the aerobic pond for treatment; a suspension ball filler is arranged in the anaerobic tank; the anaerobic tank is provided with an interception net to cover the communication groove, the mesh diameter of the interception net is smaller than that of the suspension ball filler, and the interception net is used for intercepting the suspension ball filler; the interception net comprises a first interception net piece and a second interception net piece which are connected at an included angle, and the sharp angles of the first interception net piece and the second net piece face the anaerobic tank.

By adopting the technical scheme, when the suspension ball filler moves along with the water flow to be communicated with the groove, the suspension ball filler receives

Optionally, a support frame is arranged above the anaerobic tank, the support frame is used for supporting a first stirrer, and the first stirrer is arranged on two sides of the interception net.

By adopting the technical scheme, the first stirrer stirs sewage close to the periphery of the communication groove, so that the flow of water flow around the communication groove is aggravated. Not only can reduce the accumulation of the suspended ball filler in front of the interception net, but also can drive the suspended ball filler to flow from one side close to the interception net to one side far away from the interception net, thereby improving the distribution uniformity of the suspended ball filler in the anaerobic tank and improving the sewage treatment effect of the suspended ball filler.

Optionally, the mesh of the interception net is rhombic.

Through adopting above-mentioned technical scheme, offer the same mesh area under the prerequisite of being convenient for the circulation of water, the condition emergence of suspension ball filler and interception net's mesh looks joint can be reduced to the mesh of diamond-shaped.

Optionally, a jacket is arranged on the side walls of the anaerobic tank and the aerobic tank; the jacket is provided with a conduit for hot/cold water circulation.

By adopting the technical scheme, the temperature in the pool can be heated or cooled through hot water or cold water circulation according to the temperature in the pool, so that the temperature in the pool is more suitable for propagation of microorganisms. Thereby improving the efficiency of water treatment.

Optionally, a heat conducting rod is arranged on the side wall of the anaerobic tank and the side wall of the aerobic tank at intervals, one end of the heat conducting rod is connected with the jacket, and the other end of the heat conducting rod extends into the anaerobic tank/the aerobic tank.

By adopting the technical scheme, the heat conducting rod can better transfer the temperature in the jacket to the anaerobic tank and the aerobic tank, so that the heat transfer effect is improved.

Optionally, a submersible stirrer is arranged in the anaerobic tank.

By adopting the technical scheme, the submersible stirrer disturbs sewage in the anaerobic tank, so that the sewage circularly flows, and the sewage is in more uniform contact with the filler.

Optionally, still include the equalizing basin that is used for adjusting the sewage peak value, the equalizing basin is equipped with the inlet tube that is connected with external water pipe, be equipped with the grid that the slope set up in the inlet tube, the inlet tube in the grid top is equipped with the inspection tube.

By adopting the technical scheme, the grid can intercept larger suspended matters in sewage, and reduce the suspended matters with large particles from entering a subsequent biochemical pond. Meanwhile, suspended matters can climb upwards along the inclined grids, so that the condition that the suspended matters block the grids to influence the sewage inflow is reduced. The worker can salvage and clean the accumulated suspended matters through the pipe orifice of the inspection pipe.

Optionally, the inspection tube is obliquely arranged, and an oblique direction of the inspection tube is consistent with an oblique direction of the grid.

By adopting the technical scheme, the obliquely arranged inspection tube is convenient for workers to clean suspended matters by using tools such as a fishing net and the like.

In summary, the present application includes at least one of the following beneficial technical effects:

1. an interception net with an included angle is arranged in a communication groove between the anaerobic tank and the aerobic tank, so that suspended ball fillers in the anaerobic tank are separated to two sides of the interception net, and the conditions of stacking and blocking the interception net by the suspended ball fillers are reduced;

2. the side walls of the anaerobic tank and the aerobic tank are provided with heating/cooling jackets, so that the water temperature in the tank is more suitable for growth and reproduction of microorganisms, and the purification efficiency of sewage is improved.

Drawings

FIG. 1 is a schematic diagram showing the internal structure of the biochemical pool in example 1.

Fig. 2 is an enlarged view at a in fig. 1.

FIG. 3 is a schematic view showing the internal structure of the anaerobic tank in example 1.

Fig. 4 is a schematic diagram showing the structure of the interception net in embodiment 1.

FIG. 5 is a schematic view showing the internal structure of the jacket in example 2.

Reference numerals illustrate: 1. an adjusting tank; 2. an anaerobic tank; 3. an aerobic tank; 4. a sterilizing pool; 5. a submersible sewage pump; 6. a water inlet pipe; 7. a grille; 8. an inspection tube; 9. submersible agitators; 10. a filler holder; 11. a suspension ball filler; 12. a communication groove; 13. an interception net; 131. a first intercepting web; 132. a second intercepting web; 14. a support frame; 15. a first agitator; 16. an exposure device; 17. a jacket; 18. a pipe; 21. a metal heat conduction rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a biochemical pond. Referring to fig. 1, sewage flows through an adjusting tank 1, an anaerobic tank 2, an aerobic tank 3 and a sterilizing tank 4 in the biochemical tank in sequence and is discharged.

Referring to fig. 1 and 2, sewage flows into the regulating tank 1 to be stored and peak-shaving, so that sewage flows into a subsequent water tank relatively stably, a water inlet pipe 6 connected with an external sewage pipe is arranged at the upper part of the regulating tank 1, a grid 7 for blocking suspended matters in the sewage is arranged in the water inlet pipe 6, the grid 7 is obliquely arranged towards the anaerobic tank 2, suspended matters after blocking are convenient to climb upwards along the grid 7, and the influence of the accumulated suspended matters on water inflow is reduced as much as possible. The pipe wall of the water inlet pipe 6 above the grid 7 is communicated with a check pipe 8 which is in the same inclination direction as the grid 7, so that a worker can conveniently salvage suspended matters through the opening of the check pipe 8.

Referring to fig. 1, a submersible sewage pump 5 is further provided in the conditioning tank 1 for pumping sewage in the conditioning tank 1 into the anaerobic tank 2. The anaerobic tank 2 is provided with a filler bracket 10 for anaerobic microorganism adhesion and growth and a suspension ball filler 11. The filler bracket 10 is bound with biological rope filler. The filler support 10 purifies sewage in a specific area, and the suspended ball filler 11 flows around with water flow to purify sewage in other positions in the anaerobic tank 2. And the anaerobic tank 2 is internally provided with a submersible stirrer 9 for disturbing water flow, so that sewage and the filler are in more uniform contact.

The suspension ball filler 11 is a porous spherical biological filler formed by injection molding of acid-resistant, alkali-resistant and aging-resistant high molecular polymers. In the embodiment, the filler is injection molded by polypropylene material, and the carrier of the inner polyurethane sponge biological filler falls.

Referring to fig. 1, 3 and 4, a communicating groove is formed at the upper part of the connection part of the anaerobic tank 2 and the aerobic tank 3, and sewage treated by the anaerobic tank 2 flows into the aerobic tank 3 for treatment through the communicating groove. In order to reduce the flow of the suspended ball filler 11 in the anaerobic tank 2 into the aerobic tank 3, the anaerobic tank 2 is provided with a blocking net 13 with diamond meshes at the notch of the communicating groove, and the mesh diameter of the blocking net 13 is smaller than the diameter of the suspended ball filler 11 so as to reduce the blocking of the suspended ball filler 11.

Referring to fig. 1 and 3, in addition, to reduce the accumulation of suspended ball packing 11 at the blocking net 13, blocking the blocking net 13. The interception net 13 is further arranged, the interception net 13 comprises a first interception net piece 131 and a second interception net piece 132 which are connected at an included angle, and sharp angles of the first interception net piece 131 and the second net piece face the anaerobic tank 2. So that the ball-suspension packing 11 moves along the inclined surface of the interception net 13 toward both sides to reduce the accumulation of the ball-suspension packing 11 in front of the interception net 13.

Referring to fig. 3, in order to further improve the fluidity of the suspended ball packing 11 near the interception net 13 side and to fully exert the function of the suspended ball packing 11, a supporting frame 14 for supporting a first agitator 15 is provided above the anaerobic tank 2, and the first agitator 15 is provided at both sides of the interception net 13. In the present embodiment, the first agitator 15 is a frame agitator, and the agitation directions of the first agitator 15 are opposite to agitate the water flow to promote the flow of the suspension ball packing 11.

Referring to fig. 1, sewage is treated by an anaerobic tank 2 and then flows into an aerobic tank 3 for further treatment, and a filler bracket 10 and a suspension ball filler 11 for the attachment production of aerobic microorganisms are simultaneously arranged in the aerobic tank 3. Meanwhile, an exposure device 16 connected with a blower is arranged in the aerobic tank 3 to continuously input oxygen into the aerobic tank 3.

The water treated by the anaerobic tank 2 and the aerobic tank 3 flows into the disinfection tank 4 for frequent disinfection treatment and then is discharged.

Example 2

This embodiment 2 differs from embodiment 1 in that:

referring to fig. 5, the side walls of the anaerobic tank 2 and the aerobic tank 3 are provided with a jacket 17 which can be heated or cooled. In this embodiment, the structure of the jacket of the anaerobic tank 2 is the same as that of the aerobic tank 3, and only the structure of the jacket in the anaerobic tank 2 is shown in the figure. Specifically, a pipeline 18 for supplying hot water/cold water circulation is arranged in the jacket 17, so that the temperature of the walls of the anaerobic tank 2 and the aerobic tank 3 can be raised or lowered, and the temperature of sewage in the anaerobic tank 2 and the aerobic tank 3 can be regulated to be more suitable for the growth of microorganisms, thereby improving the purification efficiency of the sewage.

In addition, the side walls of the anaerobic tank 2 and the aerobic tank 3 are also provided with metal heat conducting rods 21 at intervals, and one ends of the heat conducting rods are connected with the jacket 17; the other end extends into the tank to contact with sewage so as to improve the temperature transfer efficiency.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A biochemical pond, characterized in that: the sewage treatment device comprises an anaerobic tank (2) and an aerobic tank (3), wherein the anaerobic tank (2) is communicated with the aerobic tank (3) through a communication groove (12) at the upper part, and sewage sequentially flows through the anaerobic tank (2) and the aerobic tank (3) for treatment; a suspension ball filler (11) is arranged in the anaerobic tank (2); the anaerobic tank (2) is provided with an interception net (13) for covering the notch of the communication groove (12), the mesh diameter of the interception net (13) is smaller than that of the suspension ball filler (11), and the interception net (13) is used for intercepting the suspension ball filler (11); the interception net (13) comprises a first interception net piece (131) and a second interception net piece (132) which are connected at an included angle, and the sharp angles of the first interception net piece (131) and the second interception net piece (132) face the anaerobic tank (2).

2. The biochemical cell according to claim 1, wherein: the anaerobic tank is characterized in that a supporting frame (14) is arranged above the anaerobic tank (2), the supporting frame (14) is used for supporting a first stirrer (15), and the first stirrer (15) is arranged on two sides of the interception net (13).

3. The biochemical cell according to claim 1, wherein: the mesh of the interception net (13) is rhombic.

4. The biochemical cell according to claim 1, wherein: the side walls of the anaerobic tank (2) and the aerobic tank (3) are provided with jackets (17); the jacket (17) is provided with a conduit (18) for the circulation of hot/cold water.

5. The biochemical cell according to claim 4, wherein: the anaerobic tank (2) and the side wall of the aerobic tank (3) are provided with heat conducting rods at intervals, one ends of the heat conducting rods are connected with the jacket (17), and the other ends of the heat conducting rods extend into the anaerobic tank (2)/the aerobic tank (3).

6. The biochemical cell according to claim 1, wherein: a submersible stirrer (9) is arranged in the anaerobic tank (2).

7. The biochemical cell according to claim 1, wherein: still including equalizing basin (1) that are used for adjusting the sewage peak value, equalizing basin (1) are equipped with inlet tube (6) that are connected with external water pipe, be equipped with grid (7) that the slope set up in inlet tube (6), inlet tube (6) in grid (7) top is equipped with inspection tube (8).

8. The biochemical cell according to claim 7, wherein: the inspection tube (8) is obliquely arranged, and the oblique direction of the inspection tube (8) is consistent with the oblique direction of the grid (7).