CN218890506U

CN218890506U - Chemical adding device for sewage purification

Info

Publication number: CN218890506U
Application number: CN202223214145.0U
Authority: CN
Inventors: 王昇; 庞偲唯; 钱嘉宇
Original assignee: Shanghai Jiading Xincheng Sewage Treatment Co ltd
Current assignee: Shanghai Jiading Xincheng Sewage Treatment Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-21
Anticipated expiration: 2032-11-30

Abstract

The application relates to sewage treatment's field discloses a dosing device for sewage purification, including being used for setting up the dosing tube that is close to the water inlet of handling the pond, the one end of dosing tube is used for extending towards handling the pond bottom, just the pipe shaft of dosing tube is followed the extending direction of dosing tube is provided with a plurality of medicine positions, it is arranged in the liquid medicine by intraductal inflow handling the pond to go out the medicine position. This application is close to water inlet department through with the dosing pipe setting, can make liquid medicine and just get into the sewage mixing of handling the pond, handles sewage from the source of handling the pond. The medicine adding pipe extends towards the bottom of the treatment tank, so that the medicine liquid flows to the treatment tank through the medicine outlet flow and the sewage in the deep part of the treatment tank is fully fused, and the problem of uneven mixing of the sewage and the medicine liquid is solved.

Description

Chemical adding device for sewage purification

Technical Field

The application relates to the field of sewage treatment, in particular to a dosing device for sewage purification.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. Sewage treatment is classified into primary treatment, secondary treatment and tertiary treatment according to the degree of treatment.

The primary treatment is mainly to remove suspended solid matters in the sewage, and is usually performed by a physical method. The BOD removal rate of the wastewater after the primary treatment is only 20 percent, the wastewater is still not suitable for discharging, and the secondary treatment is also needed.

The main task of the secondary treatment is to remove organic matters in colloid and dissolved state in the sewage greatly, and the BOD removal rate is 80-90%. The sewage after the secondary treatment can reach the discharge standard, and the activated sludge method and the biological membrane treatment method are commonly used.

The purpose of the third-stage treatment is to further remove a specific pollutant such as fluorine and phosphorus removal, and belongs to advanced treatment and common chemical methods.

At present, chemical method is adopted to treat sewage, the sewage after physical treatment is required to be added with medicine, the existing medicine adding structure adopts a structure similar to a faucet to add medicine into a treatment tank in general, the phenomenon that the mixing degree of the sewage and the medicine is insufficient and the mixing is uneven often occurs, and the treatment cannot reach the expected effect.

Disclosure of Invention

In order to solve the problem of uneven mixing of sewage and liquid medicine, the application provides a dosing device for sewage purification.

The application provides a dosing device for sewage purification adopts following technical scheme:

the utility model provides a dosing device for sewage purification, is including being used for setting up the dosing pipe that is close to the water inlet of handling the pond, the one end of dosing pipe is used for extending towards handling the pond bottom, just the tubular body of dosing pipe is followed the extending direction of dosing pipe is provided with a plurality of play medicine positions, play medicine position is arranged in supplying the liquid medicine to flow into the handling the pond by the pipe.

Through adopting above-mentioned technical scheme, the dosing pipe is close to water inlet department setting, can make liquid medicine and just get into the sewage mixing of treatment tank, handles sewage from the source of treatment tank. The medicine adding pipe extends towards the bottom of the treatment tank, so that the medicine liquid flows to the treatment tank through the medicine outlet flow and the sewage in the deep part of the treatment tank is fully fused, and the problem of uneven mixing of the sewage and the medicine liquid is solved.

Optionally, the mouth of pipe that the dosing pipe is used for stretching into the one end of handling pond bottom is sealed, the dosing pipe is along self extending direction on the pipe shaft spaced apart be equipped with a plurality of medicine holes, a plurality of go out the medicine hole forms go out the medicine position.

By adopting the technical scheme, the liquid medicine can flow into the treatment pool from the medicine adding pipe through the medicine outlet.

Optionally, the mouth of pipe that the dosing pipe is used for stretching into the one end of handling pond bottom is sealed, the dosing pipe is provided with a plurality of nozzles along self extending direction interval on the pipe shaft, and a plurality of the nozzle forms go out the medicine position.

By adopting the technical scheme, the liquid medicine can flow into the treatment pool from the medicine adding pipe through the nozzle.

Optionally, two dosing pipes are provided, and the two dosing pipes are used for being respectively arranged at two opposite sides of the treatment tank.

Through adopting above-mentioned technical scheme, set up two and add the pencil, can spray more liquid medicine simultaneously, promote the mixture of liquid medicine and sewage.

Optionally, two the dosing pipe is offered for the pipe shaft lateral wall of counterparty go out the medicine position, just go out the medicine direction of medicine position and all be used for towards the water inlet setting of handling pond.

Through adopting above-mentioned technical scheme, go out the setting of medicine direction all towards the water inlet, can make the liquid medicine and follow the better mixture of sewage that the water inlet flows.

Optionally, the one end that the dosing tube is used for extending out the processing pond is connected with the dosing tube, the dosing tube with the dosing tube is linked together, the dosing tube is kept away from the one end of dosing tube is connected with the dosing pump.

Through adopting above-mentioned technical scheme, advance the medicine pump and can pressurize for the liquid medicine that flows in advancing medicine pipe and dosing pipe, and then make the liquid medicine flow out from the play medicine position with higher velocity of flow, further promote the mixture of liquid medicine and sewage.

Optionally, a regulating valve is arranged between the medicine feeding pipe and the medicine feeding pump, and the regulating valve is arranged on the medicine feeding pipe and used for regulating the flow of the liquid medicine in the medicine feeding pipe.

Through adopting above-mentioned technical scheme, at first the break-make that the governing valve can control the liquid medicine, and secondly the governing valve can adjust the flow of the liquid medicine of flowing into in the treatment pond, can enough avoid carrying too much liquid medicine and lead to the liquid medicine to be unable with sewage intensive mixing, also can avoid carrying the liquid medicine too little and make sewage treatment effect not reach expectedly.

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

1. through setting up the dosing pipe near water inlet department, can make liquid medicine and just get into the sewage mixing of treatment pond, the source from the treatment pond handles sewage. The medicine adding pipe extends towards the bottom of the treatment tank, so that the medicine liquid flows to the treatment tank through the medicine outlet flow and the sewage in the deep part of the treatment tank is fully fused, and the problem of uneven mixing of the sewage and the medicine liquid is solved.

2. Through setting up the break-make of governing valve in order to control the liquid medicine, and the flow of the liquid medicine in the regulating valve can also be adjusted and flow into the treatment pond, can avoid carrying too much liquid medicine and lead to the liquid medicine to be unable with sewage intensive mixing, also can avoid carrying the liquid medicine too little and make sewage treatment effect not reach expectedly.

Drawings

Fig. 1 is a schematic view of a chemical adding device for purifying sewage.

Fig. 2 is a schematic diagram of a chemical adding device for purifying sewage.

Fig. 3 is a schematic diagram of a chemical adding device for purifying sewage.

Fig. 4 is a schematic structural view of a chemical adding device for purifying sewage.

Reference numerals illustrate:

1. a treatment pool; 2. a dosing tube; 21. a medicine outlet hole; 22. a nozzle; 3. a medicine inlet pipe; 4. a drug feeding pump; 5. and (3) regulating the valve.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

The embodiment of the application discloses a dosing device for sewage purification. Referring to fig. 1, the chemical dosing apparatus for sewage purification includes a chemical dosing pipe 2 disposed near a water inlet of a treatment tank 1, the chemical dosing pipe 2 being used to dose chemical to physically treated sewage when sewage treatment is performed by a chemical method.

Referring to fig. 1 and 2, one end of a dosing tube 2 extends towards the bottom of a treatment tank 1, a tube body of the dosing tube 2 is provided with a plurality of drug outlet positions along the extending direction of the dosing tube 2, the drug outlet positions are used for allowing liquid medicine to flow into the treatment tank 1 from the tube, the other end of the dosing tube 2 is connected with a drug inlet tube 3, and the drug inlet tube 3 is communicated with the dosing tube 2. In different embodiments, the medicine outlet position may have different structures, and particularly but not limited to, a structure is provided, where the pipe mouth of the medicine feeding pipe 2 extending into one end of the bottom of the treatment tank 1 is closed, and a plurality of medicine outlet holes 21 are spaced apart on the pipe body along the extending direction of the medicine feeding pipe 2, and the medicine outlet holes 21 form the medicine outlet position. The liquid medicine can flow from the medicine feeding pipe 2 to the treatment tank 1 through the medicine outlet 21. Referring to fig. 4, another embodiment of forming the medicine outlet is that the pipe mouth of the medicine feeding pipe 2 extending into one end of the bottom of the treatment tank 1 is closed, and the medicine feeding pipe 2 is provided with a plurality of nozzles 22 on the pipe body at intervals along the extending direction of the medicine feeding pipe 2, and the plurality of nozzles 22 form the medicine outlet. The liquid medicine can flow from the medicine feeding pipe 2 to the treatment tank 1 through the nozzle 22.

Specifically, the extension length of the dosing tube 2 is set according to the depth of the treatment tank 1, and the number of discharge levels is set according to the extension length of the dosing tube 2.

Referring to fig. 3, in order to further promote the mixing of the chemical solution and the sewage. The two dosing pipes 2 are arranged, and the two dosing pipes 2 are used for being respectively arranged at two opposite sides of the treatment tank 1. And the medicine outlet directions of the medicine outlet positions on the two medicine adding pipes 2 are all arranged towards the water inlet of the treatment pool 1. Two dosing tubes 2 are provided, which allow more liquid medicine to be sprayed at the same time. The medicine outlet direction is arranged towards the water inlet, so that the medicine liquid and sewage flowing out of the water inlet can be better mixed.

One end of the medicine feeding pipe 3 far away from the medicine feeding pipe 2 is provided with a medicine feeding pump 4, and a regulating valve 5 is further arranged between the medicine feeding pipe 3 and the medicine feeding pump 4, and the regulating valve 5 is arranged on the medicine feeding pipe 3. The medicine feeding pump 4 can pressurize the medicine liquid flowing in the medicine feeding pipe 3 and the medicine feeding pipe 2, so that the medicine liquid flows out from the medicine outlet position at a higher flow rate, and the mixing of the medicine liquid and sewage is further promoted. The on-off of the liquid medicine can be controlled by the regulating valve 5, and the flow of the liquid medicine flowing into the treatment tank 1 can be regulated by the regulating valve 5, so that the situation that the liquid medicine cannot be fully mixed with sewage due to excessive liquid medicine is avoided, and the situation that the sewage treatment effect cannot be expected due to too little liquid medicine can be avoided.

The embodiment of the application has the implementation principle that two dosing pipes 2 are oppositely arranged near the water inlet, the pipe body of each dosing pipe is provided with a medicine outlet position, and medicine liquid can flow out from two sides of the water inlet and be mixed with sewage just entering the treatment tank 1, so that the sewage is treated from the source of the treatment tank 1. The dosing pipe 2 extends towards the bottom of the treatment tank 1, so that the liquid medicine can be fully fused with sewage in the deep part of the treatment tank 1 through the liquid medicine outlet flow to the treatment tank 1.

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 dosing device for sewage purification is characterized by comprising a dosing pipe (2) which is arranged at a water inlet close to a treatment tank (1), wherein one end of the dosing pipe (2) extends towards the bottom of the treatment tank (1), a plurality of medicine outlet positions are arranged on the pipe body of the dosing pipe (2) along the extending direction of the dosing pipe (2), and medicine outlet positions are used for supplying medicine liquid to flow into the treatment tank (1) from the pipe.

2. The dosing device for sewage purification according to claim 1, wherein the dosing tube (2) is closed at a tube opening extending into one end of the bottom of the treatment tank (1), and the dosing tube (2) is provided with a plurality of drug outlet holes (21) on the tube body at intervals along the extending direction of the dosing tube (2), and a plurality of drug outlet holes (21) form a plurality of drug outlet positions.

3. The dosing device for sewage purification according to claim 1, wherein the dosing tube (2) is closed at a tube opening extending into one end of the bottom of the treatment tank (1), the dosing tube (2) is provided with a plurality of nozzles (22) on a tube body at intervals along the extending direction of the dosing tube (2), and the plurality of nozzles (22) form a plurality of drug outlet positions.

4. A dosing device for purification of sewage according to any of the claims 1-3, characterized in that two dosing tubes (2) are provided, two of said dosing tubes (2) being arranged on opposite sides of the treatment tank (1), respectively.

5. The dosing device for sewage purification according to claim 4, wherein two dosing tubes (2) are provided with the drug outlet positions relative to the side walls of the tube body of each other, and the drug outlet directions of the drug outlet positions are all used for facing the water inlet of the treatment tank (1).

6. The dosing device for sewage purification according to claim 1, wherein one end of the dosing tube (2) extending out of the treatment tank (1) is connected with a dosing tube (3), the dosing tube (3) is communicated with the dosing tube (2), and one end of the dosing tube (3) away from the dosing tube (2) is connected with a dosing pump (4).

7. The dosing device for sewage purification according to claim 6, wherein a regulating valve (5) is arranged between the dosing tube (3) and the dosing pump (4), and the regulating valve (5) is arranged on the dosing tube (3) and is used for regulating the flow of the liquid medicine in the dosing tube (3).