CN216714840U

CN216714840U - Sewage air-lift conveying device

Info

Publication number: CN216714840U
Application number: CN202123308266.7U
Authority: CN
Inventors: 顾亚军; 徐婧; 顾怡秋; 袁钰峰
Original assignee: Zhangjiagang Qingyuan Water Treatment Co ltd
Current assignee: Zhangjiagang Qingyuan Water Treatment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-10
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a sewage gas stripping conveying device which is arranged between a first water tank and a second water tank and comprises a conveying pipe, wherein the water inlet end of the conveying pipe extends into the bottom of the first water tank, the water outlet end of the conveying pipe extends to the upper end of the first water tank and is open, a gas stripping pipe is fixed in the conveying pipe, the upper end of the gas stripping pipe is an air inlet end and is communicated with an air supply system, the lower end of the gas stripping pipe is provided with an aeration disc, the upper end face of the aeration disc is provided with a plurality of aeration holes, the aeration disc is higher than the water inlet end of the conveying pipe, and a height difference of 50-60mm exists between the two aeration discs. This sewage air stripping conveyor can shift the sewage in the first pond of low liquid level and carry the second pond of high liquid level, and the cost is reduced reduces the maintenance in later stage.

Description

Sewage air-lift conveying device

Technical Field

The utility model relates to a sewage gas stripping and conveying device which is used for conveying sewage from a low liquid level to a high liquid level.

Background

In the process of sewage treatment, generally, sewage flows from one treatment tank to another treatment tank, generally flows from a treatment tank with a high liquid level to a treatment tank with a low liquid level, and for a water tank with a low liquid level to be conveyed to the water tank with the high liquid level, a water suction pump is mainly used for suction at present, and an additional set of water suction pump is needed, so that the cost is high, and the maintenance is complex.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a sewage air stripping conveyor, this sewage air stripping conveyor can shift the sewage in the first pond of low liquid level and carry the second pond of high liquid level in, and the cost is reduced reduces the maintenance in later stage.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a sewage air stripping conveyor, this air stripping conveyor sets up in the middle of first pond and second pond, and this air stripping conveyor includes the conveyer pipe, the end of intaking of conveyer pipe stretches into the bottom in first pond, the play water end of conveyer pipe stretches to the upper end in first pond and opens, be fixed with the air stripping pipe in the conveyer pipe, the upper end of air stripping pipe is the inlet end and communicates with air supply system, the lower extreme of air stripping pipe is provided with the aeration dish, the up end of aeration dish is provided with a plurality of aeration hole, there is 50-60 mm's difference in height in the aeration dish above the end of intaking of conveyer pipe and between the two.

As a preferred scheme, the aeration disc comprises an annular aeration ring pipe, the aeration ring pipe is communicated with the lower end part of the air stripping pipe through a plurality of communicating pipes, and the aeration holes are arranged on the upper end surfaces of the aeration ring pipe and the communicating pipes.

As a preferable scheme, the aeration holes are uniformly distributed on the communicating pipe and the aeration ring pipe.

Preferably, the center of the aeration loop is concentric with the inlet of the air inlet end of the delivery pipe.

Preferably, the aperture of the aeration hole is 5-6mm, and the difference between the diameter of the aeration ring pipe and the diameter of the conveying pipe is 10-15 mm.

As a preferable scheme, the conveying pipe comprises a first straight pipe section, a horizontal pipe section and a second straight pipe section, the horizontal pipe section is connected between the first straight pipe section and the second straight pipe section, the first straight pipe section extends into the first water pool, the second straight pipe section extends into the second water pool, the gas stripping pipe is installed on the first straight pipe section, the upper end of the gas stripping pipe penetrates through the conveying pipe, and the gas stripping pipe and the conveying pipe are welded and fixed.

Preferably, a flow control valve is arranged on the horizontal pipe section.

As a preferable scheme, the lower end of the first straight pipe section is a water inlet end, a triangular support frame is arranged on the water inlet end, the triangular support frame is supported at the bottom of the first water tank, and the height between the end of the water inlet end and the bottom of the first water tank is 30-40 mm.

After the technical scheme is adopted, the utility model has the effects that: the gas stripping conveying device is arranged between a first water tank and a second water tank and comprises a conveying pipe, wherein the water inlet end of the conveying pipe extends into the bottom of the first water tank, the water outlet end of the conveying pipe extends to the upper end of the first water tank and is open, a gas stripping pipe is fixed in the conveying pipe, the upper end of the gas stripping pipe is a gas inlet end and is communicated with a gas supply system, the lower end of the gas stripping pipe is provided with an aeration disc, the upper end face of the aeration disc is provided with a plurality of aeration holes, the aeration disc is higher than the water inlet end of the conveying pipe, and a height difference of 50-60mm exists between the two ends, so that gas is introduced into the gas stripping pipe when the conveying is needed, and the gas is aerated and supplemented with oxygen in the tank in a sewage treatment plant, therefore, the existing gas source is actually utilized, and the gas enters the conveying pipe after being aerated from the aeration disc and can move upwards, therefore, when the gas moves upwards, the liquid in the conveying pipe can be pushed to flow upwards, finally, the liquid in the conveying pipe is lifted and conveyed to the second water tank, the liquid amount in the conveying pipe is reduced, the liquid level can descend, so that the sewage in the first water tank can be supplemented into the conveying pipe, continuous conveying is realized, the gas conveying device can realize conveying of low liquid level to high liquid level, the production cost is reduced, and the later maintenance is also reduced.

And because the aeration disc comprises an annular aeration ring pipe, the aeration ring pipe is communicated with the lower end part of the air lifting pipe through a plurality of communicating pipes, and the aeration holes are arranged on the upper end surfaces of the aeration ring pipe and the communicating pipes. The aeration holes are uniformly distributed on the communicating pipe and the aeration ring pipe, so that gas is uniformly aerated upwards from the communicating pipe and the aeration ring pipe, and the gas effect is better.

The aperture of the aeration hole is 5-6mm, and the diameter difference between the diameter of the aeration ring pipe and the diameter of the conveying pipe is 10-15mm, so that the aeration amount is proper, the gas is prevented from being influenced by overlarge gas amount, and meanwhile, the diameter difference between the diameter of the aeration ring pipe and the diameter of the conveying pipe is 10-15mm, so that the gas can be conveniently lifted, and the sewage can be better lifted along with the gas.

The conveying pipe comprises a first straight pipe section, a horizontal pipe section and a second straight pipe section, the horizontal pipe section is connected between the first straight pipe section and the second straight pipe section, the first straight pipe section extends into the first water tank, the second straight pipe section extends into the second water tank, the gas stripping pipe is installed on the first straight pipe section, the upper end of the gas stripping pipe penetrates through the conveying pipe, and the gas stripping pipe and the conveying pipe are welded and fixed.

And because the lower end of the first straight pipe section is a water inlet end, the water inlet end is provided with a triangular support frame, the triangular support frame is supported at the bottom of the first water tank, and the height between the end part of the water inlet end and the bottom of the first water tank is 30-40mm, so that in actual use, the height between the water inlet end and the bottom of the first water tank can be ensured to be proper only by placing the triangular support frame at the bottom of the first water tank, and the air lifting effect is ensured.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an aeration disk;

in the drawings: 1. a first pool; 2. a second pool; 3. a delivery pipe; 31. a first straight pipe section; 32. a horizontal pipe section; 33. a second straight tube section; 4. a flow regulating valve; 5. a gas stripping tube; 6. a triangular support frame; 7, an aeration disc; 71. an aeration ring pipe; 72. a communication pipe is provided.

Detailed Description

The present invention is described in further detail below with reference to specific examples.

As shown in fig. 1 and 2, a sewage air-lift conveying device is arranged between a first water tank 1 and a second water tank 2, the liquid level of the first water tank 1 is lower than that of the second water tank 2, the air-lift conveying device comprises a conveying pipe 3, the water inlet end of the conveying pipe 3 extends into the bottom of the first water tank 1, the water outlet end of the conveying pipe 3 extends to the upper end of the first water tank 1 and is open, an air-lift pipe is fixed in the conveying pipe 3, the conveying pipe 3 comprises a first straight pipe section 31, a horizontal pipe section 32 and a second straight pipe section 33, the horizontal pipe section 32 is connected between the first straight pipe section 31 and the second straight pipe section 33, the first straight pipe section 31 extends into the first water tank 1, the second straight pipe section 33 extends into the second water tank 2, and the horizontal pipe section 32 is provided with a flow regulating valve 4. The flow can be adjusted by utilizing the flow adjusting valve 4, the gas stripping pipe is arranged on the first straight pipe section 31, the upper end of the gas stripping pipe penetrates through the conveying pipe 3, and the gas stripping pipe is fixedly welded with the conveying pipe 3. The upper end of the gas stripping pipe is an air inlet end and is communicated with an air supply system, the existing air path system in a sewage treatment plant is adopted in the air supply system, and only the air path system needs to be communicated with the gas stripping pipe by one air supply pipe.

In this embodiment, the lower end of the first straight pipe section 31 is a water inlet end, the water inlet end is provided with a triangular support frame 6, the triangular support frame 6 is welded at the water inlet end, the height of the triangular support frame 6 is 30-40mm, and the triangular support frame 6 is supported at the bottom of the first water tank 1, so that the height between the end of the water inlet end and the bottom of the first water tank 1 is 30-40 mm.

As shown in fig. 2, the lower end of the air stripping pipe is provided with an aeration disc 7, the upper end surface of the aeration disc 7 is provided with a plurality of aeration holes, the aeration disc 7 is higher than the water inlet end of the conveying pipe 3, and a height difference of 50-60mm exists between the two. The aeration disc 7 comprises an annular aeration ring pipe 71, the aeration ring pipe 71 is communicated with the lower end part of the air stripping pipe through a plurality of communicating pipes 72, the aeration holes are arranged on the upper end surfaces of the aeration ring pipe 71 and the communicating pipes 72, the number of the communicating pipes 72 is four, the aeration ring pipe 71 is communicated with the air stripping pipe 5, and the center of the aeration ring pipe 71 is concentrically arranged with the inlet of the air inlet end of the conveying pipe 3. The aeration holes are uniformly distributed on the communicating pipe 72 and the aeration circular pipe 71. The aperture of the aeration hole is 5-6mm, and the diameter difference between the diameter of the aeration ring pipe 71 and the diameter of the conveying pipe 3 is 10-15 mm.

The working principle of the utility model is as follows: during normal work, gaseous follow the air stripping pipe and get into, form the bubble after 7 aerations of aeration dish and enter into conveyer pipe 3, because the bubble can last upwards move, will drive the liquid upflow in the conveyer pipe 3, form the air stripping effect, thereby send into the liquid in the conveyer pipe 3 in the second pond 2, because at this moment the conveyer pipe 3 insert in the first pond 1 with the liquid intercommunication in the first pond 1, liquid level descends in the conveyer pipe 3, sewage will last to be mended in the first pond 1 in the conveyer pipe 3.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a sewage air stripping conveyor which characterized in that: this air stripping conveyor sets up in the middle of first pond and second pond, and this air stripping conveyor includes the conveyer pipe, the end of intaking of conveyer pipe stretches into the bottom in first pond, the play water end of conveyer pipe stretches to the upper end in first pond and opens, be fixed with the air stripping pipe in the conveyer pipe, the upper end of air stripping pipe is the inlet end and communicates with air supply system, the lower extreme of air stripping pipe is provided with the aeration dish, the up end of aeration dish is provided with a plurality of aeration hole, there is 50-60 mm's difference in height between the end of intaking that the aeration dish is higher than the conveyer pipe and the two.

2. The sewage gas stripping conveying device as claimed in claim 1, characterized in that: the aeration disc comprises an annular aeration ring pipe, the aeration ring pipe is communicated with the lower end part of the air lifting pipe through a plurality of communicating pipes, and the aeration holes are formed in the upper end surfaces of the aeration ring pipe and the communicating pipes.

3. The sewage gas stripping conveying device as claimed in claim 2, characterized in that: the aeration holes are uniformly distributed on the communicating pipe and the aeration ring pipe.

4. The apparatus of claim 3, further comprising: the center of the aeration ring pipe is concentrically arranged with the inlet of the air inlet end of the conveying pipe.

5. The apparatus for stripping and transporting sewage as claimed in claim 4, wherein: the aperture of the aeration hole is 5-6mm, and the diameter difference between the diameter of the aeration ring pipe and the diameter of the conveying pipe is 10-15 mm.

6. The apparatus for stripping and transporting sewage as claimed in claim 5, wherein: the conveying pipe comprises a first straight pipe section, a horizontal pipe section and a second straight pipe section, the horizontal pipe section is connected between the first straight pipe section and the second straight pipe section, the first straight pipe section extends into the first water pool, the second straight pipe section extends into the second water pool, the air lifting pipe is installed on the first straight pipe section, the upper end of the air lifting pipe penetrates through the conveying pipe, and the air lifting pipe is welded and fixed with the conveying pipe.

7. The sewage air stripping and conveying device as claimed in claim 6, wherein: and a flow regulating valve is arranged on the horizontal pipe section.

8. The sewage air stripping and conveying device as claimed in claim 7, wherein: the lower end of the first straight pipe section is a water inlet end, a triangular support frame is arranged on the water inlet end and is supported at the bottom of the first water tank, and the height between the end of the water inlet end and the bottom of the first water tank is 30-40 mm.