CN219174328U

CN219174328U - Gas-liquid-solid three-phase separator for sewage treatment

Info

Publication number: CN219174328U
Application number: CN202222544643.5U
Authority: CN
Inventors: 李建; 李振芳; 蔡游春
Original assignee: Suzhou Dadao Environmental Protection Technology Co ltd
Current assignee: Suzhou Dadao Environmental Protection Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-13
Anticipated expiration: 2032-09-26

Abstract

The utility model provides a gas-liquid-solid three-phase separator for sewage treatment, which relates to the technical field of sewage treatment and comprises a main body, wherein a clear water area is arranged in the main body, a liquid-solid separation channel is arranged in the main body, a water collecting tank is arranged in the main body, the lower end of the water collecting tank is fixedly connected with a water outlet pipe, a sliding mud area is arranged in the main body, a gas blocking beam is arranged at the lower end of the sliding mud area, a sewage treatment bioreactor is arranged at the outer side of the main body, at the moment, gas is separated from sewage by the gas blocking beam and cannot enter the main body, the sewage and the sludge form liquid-solid separation under the action of gravity in the liquid-solid separation channel, the separated sewage forms a clear water layer to enter the clear water area, the sludge forms a sludge layer to enter the sliding mud area downwards, and one or more liquid-solid separation channels can be formed by two or more layers of inclined plates to improve the liquid-solid separation effect, so that the separation effect of the sewage and the sludge is better, and the three-phase separation effect of the separator is improved.

Description

Gas-liquid-solid three-phase separator for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a gas-liquid-solid three-phase separator for sewage treatment.

Background

The sewage treatment plant usually adopts an activated sludge biological treatment method to treat sewage, the activated sludge refers to a mud-like flocculent substance formed by bonding inorganic substances such as microorganisms and silt and the like together under the action of microbial extracellular polymers, wherein the microorganisms absorb and utilize pollutants in the sewage as nutrients for growth and proliferation of the pollutants, so that the pollutants are degraded, the activated sludge method is divided into two main types of anaerobic sludge method and aerobic sludge method, a reactor for treating the sewage by the anaerobic sludge is called an anaerobic (activated sludge) reactor, a reactor for treating the sewage by the aerobic sludge is called an aerobic (activated sludge) reactor, and three types of substances such as air (gas), sewage (liquid) and sludge (solid) are arranged in the aerobic and anaerobic reactors.

The basic principle of the activated sludge process for treating sewage is that the gas, liquid and solid phases are well mixed in a bioreactor, so that the biological reaction can be performed efficiently, and a separator is required to separate gas (air or biological gas) and solid (sludge) from the sewage to obtain clear effluent, but when the separator runs for a long time and faces a large amount of sewage, the separation burden is gradually increased, and the three-phase separation effect of the separator is further reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a gas-liquid-solid three-phase separator for sewage treatment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gas-liquid-solid three-phase separator for sewage treatment, includes the main part, the inside of main part is provided with the clear water district, the inside of main part is provided with liquid-solid separation passageway, the inside of main part is provided with the water catch bowl, the lower extreme fixedly connected with outlet pipe of water catch bowl, the inside of main part is provided with the slip district, the lower extreme in slip district is provided with keeps off the air beam, the outside of main part is provided with sewage treatment bioreactor.

In order to realize gas-liquid-solid three-phase separation, the utility model is improved in that a gas baffle beam is arranged below a main body to separate gas, and a liquid-solid separation channel is arranged in the main body to separate liquid and solid.

In order to prevent bubbles in sewage from directly entering the main body, the utility model is improved in that the shape of the air blocking beam is prismatic.

In order to separate the sludge in the sewage, the utility model is improved in that the water collecting tank is positioned at the upper end of the clean water zone, and the slip mud zone is positioned at the lower end of the clean water zone.

In order to improve the liquid-solid separation effect, the utility model improves that the liquid-solid separation channel is at least composed of an upper sloping plate and a lower sloping plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

in actual use, the utility model is provided with the main body, the clear water area, the liquid-solid separation channel, the water collecting tank, the water outlet pipe, the sliding mud area and the air baffle beam, at the moment, the air baffle beam is used for separating air from sewage without entering the main body, the sewage enters the liquid-solid separation channel through the channel inlet, water (liquid) and mud (solid) are separated under the action of gravity, the separated sewage forms a clear water layer which is discharged upwards from the channel outlet along the lower surface of the upper inclined plate and enters the clear water area, the mud forms a mud layer which is discharged downwards from the channel outlet along the upper surface of the lower inclined plate and enters the sliding mud area, and two or more layers of inclined plates can be arranged to form one or more liquid-solid separation channels so as to improve the effect of liquid-solid separation, thereby ensuring that the separation effect of the sewage and the mud is better, and the three-phase separation effect of the separator is improved.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a gas-liquid-solid three-phase separator for sewage treatment;

FIG. 2 is a schematic diagram showing a part of the structure of a liquid-solid separation channel of a layer of a gas-liquid-solid three-phase separator for sewage treatment;

fig. 3 is a schematic diagram of a multi-layer (three-layer) liquid-solid separation channel structure of a gas-liquid-solid three-phase separator for sewage treatment.

Legend description:

1. a main body; 2. a clear water zone; 3. a liquid-solid separation channel; 4. a water collection tank; 5. a water outlet pipe; 6. a slip zone; 7. a gas barrier beam; 8. a sewage treatment bioreactor; 301. an upper sloping plate; 302. a lower sloping plate; 303. a channel inlet; 304. and a channel outlet.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a sewage treatment is with gas-liquid-solid three-phase separator, adopt one deck liquid-solid separation passageway 3, including main part 1, the inside of main part 1 is provided with clear water district 2, the inside of main part 1 is provided with liquid-solid separation passageway 3, sewage passes through to separate in liquid-solid separation passageway 3 and gets into clear water district 2, the inside of main part 1 is provided with water catch bowl 4, water catch bowl 4 is used for collecting the sewage after the sediment, the lower extreme fixedly connected with outlet pipe 5 of water catch bowl 4, outlet pipe 5 is used for discharging the sewage after the sediment, the inside of main part 1 is provided with smooth mud district 6, smooth mud district 6 makes the mud that gets into in the main part 1 through the separation of liquid-solid separation passageway 3 get back into in the reactor again, the lower extreme of main part 1 is provided with keeps off the gas roof beam 7, keep off the gas roof beam 7 is used for preventing that the bubble in the reactor from directly getting into in the main part 1, main part 1 installs in sewage treatment bioreactor 8.

Referring to fig. 1-2, the water collecting tank 4 is located at the upper end of the clean water area 2, the sludge blocking area 6 is located at the lower end of the clean water area 2, the air blocking beam 7 is prismatic, bubbles in sewage can be blocked from directly entering the sludge blocking area 6 by two edges below the prismatic air blocking beam 7, meanwhile, the sludge in the sludge blocking area 6 slides down to two sides of the reactor by two edges above the prismatic air blocking beam 7, the liquid-solid separation channel 3 comprises an upper inclined plate 301 and a lower inclined plate 302, a channel inlet 303 and a channel outlet 304 are formed through structural relation, the upper inclined plate 301 and the lower inclined plate 302 are fixedly arranged in the main body 1, sewage carries the sludge to enter the liquid-solid separation channel 3 through the channel inlet 303, liquid-solid separation is formed under the action of gravity, the formed clean water and the sludge respectively enter the clean water area 2 and the sludge blocking area 6 upwards through the channel outlet 304, the clean water enters the water tank 4 and finally the reactor is discharged through the water outlet pipe 5, the material of the water outlet pipe 5 is stainless steel, the material of the water outlet pipe 5 is the stainless steel, the material of the water outlet pipe is the water outlet pipe 5 is the stainless steel, the durability of the water outlet pipe is improved, and the sludge can return to the bottom of the reactor through the opening of the reactor.

Example two

Referring to fig. 3, two or more inclined plates may be provided to form one or more liquid-solid separation channels 3 to enhance the liquid-solid separation.

Working principle: in the anaerobic activated sludge process sewage treatment process, the main body 1 is arranged in the sewage treatment bioreactor 8, the water outlet pipe 5 is connected outside the reactor, sewage and sludge in the reactor are suspended to form good mixed contact with the sewage under the action of mechanical stirring or hydraulic stirring, microorganisms in the sludge absorb and utilize pollutants in the sewage as nutrients to grow, biogas can be generated in the process, biogas bubbles float upwards in the sewage, the sewage cannot enter the main body 1 through the blocking action of the water outlet pipe 5, meanwhile, the sewage is carried by the sludge to enter the liquid-solid separation channel 3 through the channel inlet 303 of the liquid-solid separation channel 3, at the moment, the sewage and the sludge form a clear water layer on the lower surface of the upper inclined plate 301, the sewage and the sludge form a sludge layer on the upper surface of the lower inclined plate 302, the sewage and the sludge are discharged from the channel outlet 304 of the liquid-solid separation channel 3, the sludge enters the sewage area 6 downwards, and returns to the anaerobic activated sludge process through the sewage treatment process through the outlet 6 and returns to the anaerobic activated sludge process in the anaerobic activated sludge process, and the anaerobic activated sludge is discharged from the sewage treatment process 2 through the sewage treatment process.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a sewage treatment is with gas-liquid-solid three-phase separator, includes main part (1), its characterized in that: the inside of main part (1) is provided with clear water district (2), the inside of main part (1) is provided with liquid-solid separation passageway (3), the inside of main part (1) is provided with water catch bowl (4), the lower extreme fixedly connected with outlet pipe (5) of water catch bowl (4), the inside of main part (1) is provided with smooth mud district (6), the lower extreme in smooth mud district (6) is provided with keeps off air beam (7), the outside of main part (1) is provided with sewage treatment bioreactor (8).

2. The gas-liquid-solid three-phase separator for sewage treatment according to claim 1, wherein: the water collecting tank (4) is positioned at the upper end of the clear water area (2), and the slip area (6) is positioned at the lower end of the clear water area (2).

3. The gas-liquid-solid three-phase separator for sewage treatment according to claim 1, wherein: the shape of the air blocking beam (7) is prismatic.

4. The gas-liquid-solid three-phase separator for sewage treatment according to claim 1, wherein: the liquid-solid separation channel (3) comprises an upper inclined plate (301), a lower inclined plate (302), a channel inlet (303) and a channel outlet (304), wherein the upper inclined plate (301) and the lower inclined plate (302) are fixedly arranged in the main body (1).

5. The gas-liquid-solid three-phase separator for sewage treatment according to claim 4, wherein: the channel inlet (303) and the channel outlet (304) are arranged between the upper sloping plate (301) and the lower sloping plate (302).

6. The gas-liquid-solid three-phase separator for sewage treatment according to claim 4, wherein: the liquid-solid separation channel (3) is composed of at least two layers of inclined plates, namely an upper inclined plate (301) and a lower inclined plate (302).