CN213171951U

CN213171951U - Sewage treatment tower

Info

Publication number: CN213171951U
Application number: CN202021519322.4U
Authority: CN
Inventors: 王卓; 姜琦; 张樱; 陈雪
Original assignee: Wuhan Gelin Huanyuan Purifying Engineering Co ltd
Current assignee: Wuhan Gelin Huanyuan Purifying Engineering Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-11
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a sewage treatment tower, which comprises a tower body, a water inlet pipe, a water outlet pipe and a gas outlet pipe, wherein the tower body sequentially comprises an anoxic zone, an aerobic zone and a sedimentation zone from bottom to top; the anoxic zone is connected with the sedimentation zone through a return pipe; the gas outlet pipe extends to the sedimentation zone, and the extended tail end of the gas outlet pipe is provided with a gas collecting plate; a plurality of first baffle plates are arranged on the inner wall of the tower body, and suspended fillers are arranged in the anoxic zone and the aerobic zone; a water passing device is arranged between the settling zone and the aerobic zone, and water can pass through the water passing device to block the suspended filler; a second baffle is arranged between the anoxic zone and the aerobic zone, a through hole is formed in the second baffle, a water passing device is also arranged on the through hole, a stirring device is arranged in the anoxic zone, and an aeration device is arranged at the bottom of the aerobic zone; the water inlet pipe is arranged in the anoxic zone, and the water outlet pipe is arranged in the sedimentation zone. Compared with the traditional treatment process, the utility model, the oxygen utilization rate is higher, the separation efficiency is high, and the effluent quality is better.

Description

Sewage treatment tower

Technical Field

The utility model belongs to the sewage treatment field, concretely relates to sewage treatment tower.

Background

The biological sewage treatment is one of the most extensive methods in modern sewage treatment application, and compared with the traditional physical and chemical treatment means, the biological sewage treatment method has the advantages of low cost and high efficiency by applying the biotechnology to carry out sewage treatment. The biological sewage treatment mainly converts organic matters in the sewage into simple inorganic matters by means of the decomposition of microorganisms, so that the sewage is purified.

The traditional sewage biological treatment facility usually comprises an anoxic tank, an aerobic tank, a secondary sedimentation tank and the like, and has the problems of large occupied area, low removal efficiency and the like.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems of large occupied area and low removal rate of the traditional sewage biological treatment facility in the prior art, the utility model aims to provide a sewage treatment tower.

The purpose of the utility model is realized through the following technical scheme:

a sewage treatment tower comprises a tower body 1, a water inlet pipe 2, a water outlet pipe 3 and a gas outlet pipe 4, wherein the tower body 1 sequentially comprises an anoxic zone 1-1, an aerobic zone 1-2 and a settling zone 1-3 from bottom to top; the anoxic zone 1-1 is connected with the sedimentation zone 1-3 through a return pipe 5; the gas outlet pipe 4 extends into the settling zone 1-3, and the extended tail end of the gas outlet pipe 4 is provided with a gas collecting plate 4-2; the gas collecting plate 4-2 is a conical structure which is opened towards the inner wall of the tower body 1; a first baffle 11 is arranged on the inner wall of the tower body 1, the first baffle 11 is a circle of convex structure arranged on the inner wall of the tower body 1, the vertical projection of the edge of the gas collecting plate 4-2 falls on the first baffle 11, and a space is formed between the first baffle 11 and one end of the opening of the conical structure of the gas collecting plate 4-2;

suspended fillers 6 are arranged in the anoxic zone 1-1 and the aerobic zone 1-2; a water passing device is arranged between the settling zone 1-3 and the aerobic zone 1-2, and can allow water to pass through and block the suspended filler 6; a second baffle plate 9 is arranged between the anoxic zone 1-1 and the aerobic zone 1-2, a through hole is formed in the second baffle plate 9, and a water passing device is also arranged on the through hole and can allow water to pass through to block the suspended filler 6; the anoxic zone 1-1 is provided with a stirring device 7, and the bottom of the aerobic zone 1-2 is provided with an aeration device 8; the water inlet pipe 2 is arranged at the lower part of the anoxic zone 1-1, and the water outlet pipe 3 is arranged at the upper part of the sedimentation zone 1-3.

Preferably, the conical angle of the conical structure of the gas collecting plate 4-2 is 120 °.

Preferably, the first baffle 11 has a triangular cross-section along a plane perpendicular to the inner wall of the tower 1.

Preferably, the first baffle 11 is disposed below the gas collecting plate 4-2.

Preferably, the material of the suspension filler is polyethylene or polypropylene, and the density is 0.94-1.0.

Preferably, the water passing device between the precipitation zone 1-3 and the aerobic zone 1-2 is a water passing screen.

Preferably, the second baffle 9 covers 95% to 99.5% of the cross-sectional area of the tower 1.

Preferably, the water passing device arranged on the through hole is a water passing screen.

Preferably, the stirring device 7 is a jet stirring device.

Preferably, the return pipe 5 is provided with a first return valve 5-1, a second return valve 5-2 and a return pump 5-3, the first return valve 5-1 and the second return valve 5-2 are arranged at two ends of the return pipe 5, the return pump 5-3 is arranged between the first return valve 5-1 and the second return valve 5-2, and the return pump 5-3 is used for returning the muddy water mixture in the settling area 1-3 to the anoxic area 1-1.

Preferably, the outlet pipe 4 is provided with an outlet valve 4-1.

Preferably, the water outlet pipe 3 is provided with a water outlet valve 3-1.

Preferably, the water inlet pipe 2 is provided with a water inlet valve 2-1.

Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:

(1) the floor area is small, and the device is particularly suitable for the working condition with limitation on the field;

(2) compared with the traditional treatment process, the oxygen utilization rate is higher, and the operation energy consumption can be reduced.

(3) Compared with the traditional treatment process, the device has high separation efficiency and better effluent quality.

Drawings

FIG. 1 is a schematic view of a sewage treatment tower according to example 1.

FIG. 2 is a schematic structural view of a gas collecting plate and a baffle plate of the sewage treatment tower according to embodiment 1, wherein other structures of the sewage treatment tower are omitted.

Wherein, 1 is a tower body, 2 is a water inlet pipe, 3 is a water outlet pipe, 4 is a gas outlet pipe, 5 is a return pipe, 6 is a suspended filler, 7 is a jet flow stirring device, 8 is an aeration device, 9 is a second baffle, 10 is a water passing screen, 11 is a first baffle, 1-1 is an anoxic zone, 1-2 is an aerobic zone, 1-3 is a settling zone, 2-1 is a water inlet valve, 3-1 is a water outlet valve, 4-1 is a gas outlet valve, 4-2 is a gas collecting plate, 5-1 is a first return valve, 5-2 is a second return valve, 5-3 is a return pump, and 9-1 is a water passing screen.

Detailed Description

The present invention will be further described with reference to the following examples and drawings, but the present invention is not limited thereto, and various modifications are included within the technical scope of the present invention.

Example 1

A sewage treatment tower is structurally shown in figures 1 and 2. FIG. 1 is a schematic view of a sewage treatment tower according to example 1. FIG. 2 is a schematic structural view of a gas collecting plate and a baffle plate of the sewage treatment tower according to embodiment 1, wherein other structures of the sewage treatment tower are omitted.

A sewage treatment tower comprises a tower body 1, a water inlet pipe 2, a water outlet pipe 3 and a gas outlet pipe 4, wherein the tower body 1 sequentially comprises an anoxic zone 1-1, an aerobic zone 1-2 and a settling zone 1-3 from bottom to top; the anoxic zone 1-1 is connected with the sedimentation zone 1-3 through a return pipe 5; the reflux pipe 5 is provided with a first reflux valve 5-1, a second reflux valve 5-2 and a reflux pump 5-3, the first reflux valve 5-1 and the second reflux valve 5-2 are arranged at two ends of the reflux pipe 5, the reflux pump 5-3 is arranged between the first reflux valve 5-1 and the second reflux valve 5-2, and the reflux pump 5-3 is used for refluxing the muddy water mixture in the settling area 1-3 to the anoxic area 1-1; an air outlet valve 4-1 is arranged on the air outlet pipe 4, an water outlet valve 3-1 is arranged on the water outlet pipe 3, and a water inlet valve 2-1 is arranged on the water inlet pipe 2.

The gas outlet pipe 4 extends into the settling zone 1-3, and the extended tail end of the gas outlet pipe 4 is provided with a gas collecting plate 4-2; the gas collecting plate 4-2 is a conical structure which is opened towards the inner wall of the tower body 1; the conical angle of the conical structure of the gas collecting plate 4-2 is 120 degrees; a first baffle 11 is arranged on the inner wall of the tower body 1, the first baffle 11 is a circle of convex structure arranged on the inner wall of the tower body 1, the vertical projection of the edge of the gas collecting plate 4-2 falls on the first baffle 11, and a space is formed between the first baffle 11 and one end of the opening of the conical structure of the gas collecting plate 4-2; the cross section of the first baffle 11 along the plane vertical to the inner wall of the tower body 1 is triangular, and the first baffle 11 is arranged below the gas collecting plate 4-2.

Suspended fillers 6 are arranged in the anoxic zone 1-1 and the aerobic zone 1-2, the suspended fillers are made of polyethylene or polypropylene and have the density of 0.94-1.0; a water passing screen is arranged between the settling zone 1-3 and the aerobic zone 1-2, so that water can pass through and the suspended filler 6 is blocked; a second baffle 9 is arranged between the anoxic zone 1-1 and the aerobic zone 1-2, the second baffle 9 covers 95-99.5% of the cross section area of the tower body 1, a through hole is formed in the second baffle 9, and a water passing screen is also arranged on the through hole and can allow water to pass through to block the suspended filler 6; the anoxic zone 1-1 is provided with a jet flow stirring device 7, and the bottom of the aerobic zone 1-2 is provided with an aeration device 8; the water inlet pipe 2 is arranged at the lower part of the anoxic zone 1-1, and the water outlet pipe 3 is arranged at the upper part of the sedimentation zone 1-3.

When the sewage treatment device works, sewage enters the decontamination tower 1 from the water inlet pipe 2, is filtered by the anoxic zone 1-1, the aerobic zone 1-2 and the sedimentation zone 1-3 in sequence, and finally flows out from the water outlet pipe 3. Compared with the traditional treatment process, the device has high separation efficiency and better effluent quality.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A sewage treatment tower comprises a tower body (1), a water inlet pipe (2), a water outlet pipe (3) and a gas outlet pipe (4), and is characterized in that the tower body (1) sequentially comprises an anoxic zone (1-1), an aerobic zone (1-2) and a settling zone (1-3) from bottom to top; the anoxic zone (1-1) is connected with the sedimentation zone (1-3) through a return pipe (5); the gas outlet pipe (4) extends into the settling zone (1-3), and the extending tail end of the gas outlet pipe (4) is provided with a gas collecting plate (4-2); the gas collecting plate (4-2) is of a conical structure which is opened towards the inner wall of the tower body (1); a first baffle (11) is arranged on the inner wall of the tower body (1), the first baffle (11) is a circle of protruding structure arranged on the inner wall of the tower body (1), the vertical projection of the edge of the gas collecting plate (4-2) falls on the first baffle (11), and a space is formed between the first baffle (11) and one end of the opening of the conical structure of the gas collecting plate (4-2);

suspended fillers (6) are arranged in the anoxic zone (1-1) and the aerobic zone (1-2); a water passing device is arranged between the settling zone (1-3) and the aerobic zone (1-2) and can allow water to pass through to block the suspended filler (6); a second baffle (9) is arranged between the anoxic zone (1-1) and the aerobic zone (1-2), a through hole is formed in the second baffle (9), and a water passing device is also arranged on the through hole and can allow water to pass through to block the suspended filler (6); the anoxic zone (1-1) is provided with a stirring device (7), and the bottom of the aerobic zone (1-2) is provided with an aeration device (8); the water inlet pipe (2) is arranged at the lower part of the anoxic zone (1-1), and the water outlet pipe (3) is arranged at the upper part of the sedimentation zone (1-3).

2. The wastewater treatment tower according to claim 1, wherein the return pipe (5) is provided with a first return valve (5-1), a second return valve (5-2) and a return pump (5-3), the first return valve (5-1) and the second return valve (5-2) are installed at both ends of the return pipe (5), and the return pump (5-3) is arranged between the first return valve (5-1) and the second return valve (5-2).

3. Sewage treatment tower according to claim 1 or 2, characterised in that the cone angle of the conical structure of the gas collecting plate (4-2) is 120 °.

4. A tower according to claim 3, wherein the first baffle (11) has a triangular cross-section along a plane perpendicular to the inner wall of the tower (1).

5. Sewage treatment tower according to claim 4, characterised in that said first baffle (11) is arranged below said gas-collecting plate (4-2).

6. The sewage treatment tower of claim 1 or 2, wherein the suspended filler is made of polyethylene or polypropylene and has a density of 0.94-1.0.

7. The wastewater treatment tower according to claim 6, wherein the water passing device between the sedimentation zone (1-3) and the aerobic zone (1-2) is a water passing screen.

8. Sewage treatment tower according to claim 7, characterised in that said second baffle (9) covers 95-99.5% of the cross-sectional area of the tower body (1).

9. The sewage treatment tower of claim 8, wherein the water passing device disposed on the through hole is a water passing screen; the stirring device (7) is a jet stirring device.

10. The wastewater treatment tower according to claim 9, wherein the outlet pipe (4) is provided with an outlet valve (4-1); a water outlet valve (3-1) is arranged on the water outlet pipe (3); a water inlet valve (2-1) is arranged on the water inlet pipe (2).