CN219239443U

CN219239443U - Efficient chemical oxidation treatment device

Info

Publication number: CN219239443U
Application number: CN202223206848.9U
Authority: CN
Inventors: 吴昊; 黄佩英; 吴翀宇
Original assignee: Suzhou Dengfeng Environmental Engineering Co ltd
Current assignee: Suzhou Dengfeng Environmental Engineering Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-23
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a high-efficiency chemical oxidation treatment device, which comprises a wastewater reaction tank, wherein the wastewater reaction tank comprises a first reaction tank body, a second reaction tank body and a third reaction tank body which are sequentially communicated, a water inlet pipe is communicated into the first reaction tank body, the third reaction tank body is directly communicated into a mud-water separation reaction cover through a wastewater pipe, a separation inclined pipe is arranged in the mud-water separation reaction cover, a water outlet weir is arranged above the separation inclined pipe, a sludge hopper is arranged below the separation inclined pipe, a sludge concentration tank is arranged outside the sludge hopper, and a sludge pump is arranged between the sludge hopper and the sludge concentration tank; through the mode, the utility model can effectively control the sludge amount in the wastewater treatment within a proper range, can not cause pollution and blockage, has strong reaction sustainability, and has large sludge treatment amount and higher plasticity.

Description

Efficient chemical oxidation treatment device

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to a high-efficiency chemical oxidation treatment device.

Background

With the increasing stricter environmental requirements, the importance of wastewater treatment is increasingly highlighted, and a Fenton oxidation reactor is a relatively effective sewage oxidation treatment process in a chemical oxidation method, wherein the Fenton oxidation method is a technology for treating organic matters by utilizing a catalyst or photoelectrochemical effect and generating hydroxyl free radicals (OH) with strong oxidability through hydrogen peroxide.

For example, patent publication No. CN109231575A discloses an integrated Fenton reactor in which Fe is oxidized by combining a pulse tank, an internal circulation and a Fenton oxidation column ²⁺ The water flow enters the Fenton oxidation tower along with the pulse main pipe of the pulse tank to obtain secondary circulation, and the internal circulation in the Fenton oxidation tower strengthens the efficiency, so that Fe can be added in a small amount or not ²⁺ The use of the medicament is reduced.

Although the device can effectively reduce the use of the medicament, in the actual wastewater treatment, the sludge is large in quantity, so that the pollution is easy to cause, and the reaction is difficult to continuously carry out; meanwhile, the sewage treatment capacity of the decoration is still small, and the plasticity is not strong.

Disclosure of Invention

The utility model mainly solves the technical problems of providing the efficient chemical oxidation treatment device which can effectively control the sludge amount in the wastewater treatment within a proper range, can not cause pollution and blockage, has strong reaction sustainability, and has large sludge treatment amount and higher plasticity.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a high-efficient chemical oxidation processing apparatus, including the waste water reaction tank, the waste water reaction tank is including the first reaction tank body, second reaction tank body and the third reaction tank body that communicate in proper order and set up, and the inlet tube communicates to in the first reaction tank body, the third reaction tank body is through waste pipe direct current to in the mud-water separation reaction cover, be provided with the separation inclined tube in the mud-water separation reaction cover, the separation inclined tube top is provided with the effluent weir, separation inclined tube below sets up to the sludge bucket, be provided with the sludge concentration pond outside the sludge bucket, be provided with the sludge pump between sludge bucket and the sludge concentration pond.

Preferably, a sulfuric acid dosing pipe and a ferrous sulfate dosing pipe are arranged above the first reaction tank body, a hydrogen peroxide dosing pipe and a sodium hydroxide dosing pipe are arranged above the second reaction tank body, and a PAC dosing pipe is arranged above the third reaction tank body.

Preferably, the first reaction tank body, the second reaction tank body and the third reaction tank body are respectively and correspondingly provided with a first stirrer, a second stirrer and a third stirrer.

Preferably, the first reaction tank body and the second reaction tank body are respectively provided with a first pH monitor and a second pH monitor.

Preferably, the first reaction tank body, the second reaction tank body and the third reaction tank body are communicated in an oblique angle inlet and outlet mode.

Preferably, the water inlet pipe is communicated to the bottom of the first reaction tank body, a communication port between the first reaction tank body and the second reaction tank body is positioned at the upper part, and a communication port between the second reaction tank body and the third reaction tank body is positioned at the lower part.

Preferably, the first reaction tank body, the second reaction tank body and the third reaction tank body are all made of PP materials, the mud-water separation reaction cover, the separation inclined tube and the sludge hopper are made of A3 carbon steel, and meanwhile, the surfaces of the mud-water separation reaction cover, the separation inclined tube and the sludge hopper are coated with an anti-corrosion material layer.

The beneficial effects of the utility model are as follows:

the high-efficiency chemical oxidation treatment device provided by the utility model has the advantages that the sludge amount in wastewater treatment is effectively controlled within a proper range through the related structure of the reaction tank and the mud-water separation structure, the pollution and blockage are avoided, the reaction can be continuously carried out, the sewage treatment amount is high, the treatment effect is good, meanwhile, the equipment cost is lower, and the high-efficiency chemical oxidation treatment device has very good practical popularization value.

Drawings

FIG. 1 is a schematic view of a part of a high-efficiency chemical oxidation treatment apparatus for embodying structural design between wastewater reaction tanks;

FIG. 2 is a schematic view of a part of a high-efficiency chemical oxidation treatment apparatus for embodying the related structural design of mud-water separation;

the components in the drawings are marked as follows:

1. a wastewater reaction tank; 2. a first reaction tank; 3. a second reaction tank; 4. a third reaction tank;

5. a water inlet pipe; 6. a waste pipe; 7. a mud-water separation reaction cover; 8. blocking the inclined tube; 9. a water outlet weir;

10. a sludge hopper; 11. a sludge concentration tank; 12. a sludge pump; 13. a sulfuric acid dosing tube; 14. a ferrous sulfate dosing tube; 15. a hydrogen peroxide dosing tube; 16. a sodium hydroxide dosing tube; 17. PAC dosing tube;

18. a first agitator; 19. a second stirrer; 20. a third agitator; 21. a first pH monitor;

22. a second pH monitor.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Examples:

as shown in fig. 1 and 2, a high-efficiency chemical oxidation treatment device comprises a wastewater reaction tank 1, wherein the wastewater reaction tank 1 comprises a first reaction tank body 2, a second reaction tank body 3 and a third reaction tank body 4 which are sequentially arranged, the three reaction tank bodies are communicated, wastewater is communicated into the first reaction tank body 2 through a water inlet pipe 5, a sulfuric acid dosing pipe 13 is arranged above the first reaction tank body 2, sulfuric acid is added through the sulfuric acid dosing pipe 13, the pH value in the first reaction tank 2 is between 3 and 4, ferrous sulfate is added through a ferrous sulfate dosing pipe 14, and the wastewater in the first reaction tank body 2 is stirred through a first stirrer 18 so that the wastewater is fully reacted, and meanwhile, the pH value of a wastewater system is detected through a first pH monitor.

As shown in fig. 1 and 2, the first reaction tank body 2 and the second reaction tank body 3 are communicated in an oblique angle in-out mode, the water inlet pipe 5 is communicated to the bottom of the first reaction tank body 2, the wastewater treated by the first reaction tank body 2 flows into the second reaction tank body 3, a communication port between the first reaction tank body 2 and the second reaction tank body 3 is positioned at the upper part, and the flow route of the driving wastewater is prolonged to the greatest extent. A hydrogen peroxide dosing pipe 15 is arranged above the second reaction tank body 3, hydrogen peroxide is added through the hydrogen peroxide dosing pipe 15, ferrous ions are oxidized into ferric ions through hydrogen peroxide to generate coagulating sedimentation, and organic matters are removed; then adding sodium hydroxide through a sodium hydroxide dosing pipe 16 to adjust the pH value back to 7.5-8.0, stirring the solution in the second reaction tank body 3 by a second stirrer 19 to fully react, and detecting the pH value of the wastewater in the second reaction tank body 3 by a second pH monitor 22.

As shown in fig. 1 and 2, the wastewater treated by the second reaction tank body 3 continuously enters the third reaction tank body 4, the second reaction tank body 3 and the third reaction tank body 4 are communicated in an oblique diagonal inlet and outlet mode, a communication port between the second reaction tank body 3 and the third reaction tank body 4 is positioned at the lower part of the tank body, the wastewater flow route is increased to the greatest extent, and the mixing sufficiency is ensured. A PAC dosing pipe 17 is arranged above the third reaction tank body 4, PAC is added through the PAC dosing pipe 17 for flocculation, and the PAC is stirred by a third stirrer 20 to make the PAC fully react; further, the first reaction tank body 2, the second reaction tank body 3 and the third reaction tank body 4 are all made of PP materials.

As shown in fig. 1 and 2, the wastewater in the third reaction tank body 4 is directly flowed into the sludge-water separation reaction cover 7 through the wastewater pipe 6, energy is further dissipated through the sludge-water separation reaction cover 7, a blocking inclined pipe 8 is arranged in the sludge-water separation reaction cover 7, suspended impurities in the wastewater are precipitated in the inclined pipe, the wastewater flows upwards along the inclined pipe, the separated sludge slides downwards to a sludge bucket 10 below along the inclined pipe under the combined action of gravity and the blocking inclined pipe 8, the clean water floats upwards to an outflow weir 9 to flow out for concentrated recovery, the purpose of sludge-water separation is achieved, a sludge pump 12 is arranged between the sludge bucket 10 and a sludge concentration tank 11, and the sludge collected in the sludge bucket 10 is transmitted into the sludge concentration tank 11 through the sewage pump 12 for concentrated treatment; in addition, the mud-water separation reaction cover 7, the separation inclined pipe 8 and the sludge hopper 19 are made of A3 carbon steel, and meanwhile, the surface is coated with an anti-corrosion material layer, so that the corrosion resistance is ensured.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A high-efficient chemical oxidation processing apparatus, characterized by: including waste water reaction tank (1), waste water reaction tank (1) is including first reaction tank body (2), second reaction tank body (3) and the third reaction tank body (4) that communicate in proper order and set up, in inlet tube (5) communicate first reaction tank body (2), in third reaction tank body (4) direct current through waste pipe (6) to mud-water separation reaction cover (7), be provided with separation inclined tube (8) in mud-water separation reaction cover (7), separation inclined tube (8) top is provided with out water weir (9), separation inclined tube (8) below sets up to sludge hopper (10), be provided with sludge concentration pond (11) outside sludge hopper (10), be provided with sludge pump (12) between sludge hopper (10) and sludge concentration pond (11).

2. A high efficiency chemical oxidation treatment apparatus according to claim 1, wherein: the reaction device comprises a first reaction tank body (2), a second reaction tank body (3), a third reaction tank body (4) and a fourth reaction tank body, wherein a sulfuric acid dosing pipe (13) and a ferrous sulfate dosing pipe (14) are arranged above the first reaction tank body, a hydrogen peroxide dosing pipe (15) and a sodium hydroxide dosing pipe (16) are arranged above the second reaction tank body (3), and a PAC dosing pipe (17) is arranged above the third reaction tank body (4).

3. A high efficiency chemical oxidation treatment apparatus according to claim 1, wherein: the first reaction tank body (2), the second reaction tank body (3) and the third reaction tank body (4) are respectively and correspondingly provided with a first stirrer (18), a second stirrer (19) and a third stirrer (20).

4. A high efficiency chemical oxidation treatment apparatus according to claim 1, wherein: the first reaction tank body (2) and the second reaction tank body (3) are respectively and correspondingly provided with a first pH monitor (21) and a second pH monitor (22).

5. A high efficiency chemical oxidation treatment apparatus according to claim 1, wherein: the first reaction tank body (2), the second reaction tank body (3) and the third reaction tank body (4) are communicated in an oblique angle in-out mode.

6. The apparatus for efficient chemical oxidation treatment according to claim 5, wherein: the water inlet pipe (5) is communicated to the bottom of the first reaction tank body (2), a communication port between the first reaction tank body (2) and the second reaction tank body (3) is located at the upper part, and a communication port between the second reaction tank body (3) and the third reaction tank body (4) is located at the lower part.

7. A high efficiency chemical oxidation treatment apparatus according to claim 1, wherein: the first reaction tank body (2), the second reaction tank body (3) and the third reaction tank body (4) are made of PP materials, the mud-water separation reaction cover (7), the separation inclined pipe (8) and the sludge hopper (10) are made of A3 carbon steel, and meanwhile, the surfaces of the mud-water separation reaction cover and the separation inclined pipe are coated with an anti-corrosion material layer.