CN211445197U

CN211445197U - High-efficient fenton reaction unit

Info

Publication number: CN211445197U
Application number: CN201922182655.6U
Authority: CN
Inventors: 王春明; 马燕
Original assignee: Suzhou Outstanding Environmental Technology Co ltd
Current assignee: Suzhou Outstanding Environmental Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-08
Anticipated expiration: 2029-12-09

Abstract

The utility model provides a high-efficient fenton reaction unit, including the reaction tank, establish water inlet and delivery port on the reaction tank, the reaction tank bottom is equipped with the drain, be equipped with sulphuric acid feed inlet and ferrous sulfate feed inlet in water inlet department on the reaction tank, the bottom of reaction tank is equipped with the first baffle that overflows, the top of reaction tank is equipped with the second and overflows the baffle, the first baffle and the second that overflows the baffle interval arrangement and separate into a bending reaction passageway with the reaction tank, the second overflows and is equipped with the aeration pipe in the baffle, the second overflows the baffle bottom and is equipped with the aeration dish of being connected with the aeration pipe, the reaction tank top overflows in adjacent second and is equipped with the hydrogen peroxide solution feed inlet between the baffle, the external hydrogen peroxide solution inlet pipe of hydrogen. The first overflowing baffle and the second overflowing baffle are arranged in the reaction tank, the reaction tank is made into a bent reaction channel, a plug flow reaction mode is adopted, the amount of added hydrogen peroxide is added for multiple times and controlled, direct reaction between medicaments is avoided, the reaction effect is improved, and the operation cost is saved.

Description

High-efficient fenton reaction unit

Technical Field

The utility model relates to a sewage treatment technical field, in particular to high-efficient fenton reaction unit.

Background

At present, the national requirements for wastewater discharge are continuously improved, the Fenton reaction has strong oxidation effect, and the generated hydroxyl free radicals can perform oxidative decomposition on high-concentration organic matters.

The fenton reaction is an inorganic chemical reaction in which a mixed solution of hydrogen peroxide and divalent iron ions oxidizes many known organic compounds such as carboxylic acids, alcohols, and esters into an inorganic state. The reaction has high capability of removing organic pollutants which are difficult to degrade, and is widely applied to the treatment of printing and dyeing wastewater, oily wastewater, phenol-containing wastewater, coking wastewater, nitrobenzene-containing wastewater, diphenylamine wastewater and other wastewater.

In the traditional Fenton reaction, hydrogen peroxide and ferrous sulfate are added at one time, and at the beginning, because the concentration of the hydrogen peroxide and the ferrous sulfate is higher, the redox reaction directly occurs, the generated hydroxyl is less, a large amount of medicaments are wasted, and the reaction effect is influenced.

Therefore, in order to overcome the disadvantages of the conventional art, it is necessary to design an efficient fenton reaction apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

For overcoming the deficiencies in the prior art, the utility model aims to provide a high-efficient fenton reaction device.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: the utility model provides a high-efficient fenton reaction unit, includes the reaction tank, be equipped with water inlet and delivery port on the reaction tank, the bottom of reaction tank is equipped with the drain, on the reaction tank in water inlet department is equipped with sulphuric acid feed inlet and ferrous sulfate feed inlet, its characterized in that: the bottom of reaction tank is vertical to be equipped with a plurality of first baffles that overflow, the vertical a plurality of seconds that are equipped with in top of reaction tank overflows the baffle, first overflow the baffle with the second overflow baffle interval arrangement will a bending reaction channel is separated into to the reaction tank, the second overflows and is equipped with the aeration pipe in the baffle, the second overflow the bottom of baffle be equipped with the aeration dish of aeration union coupling, the top of reaction tank overflows in two adjacent seconds and is equipped with the hydrogen peroxide solution feed inlet between the baffle, the external hydrogen peroxide solution inlet pipe of hydrogen peroxide solution feed inlet, be equipped with the solenoid valve on the hydrogen peroxide solution inlet pipe.

The preferable technical scheme is as follows: the bottom of the reaction tank is of a funnel structure between two adjacent first overflowing baffles, the bottom center of the funnel structure is provided with the drain outlet, and the drain outlet is connected into a drain pipeline.

The preferable technical scheme is as follows: the aeration pipe is connected to the main aeration pipe.

The preferable technical scheme is as follows: the hydrogen peroxide feeding pipe is connected to the total hydrogen peroxide feeding pipe.

Because of the application of the technical scheme, the utility model discloses the beneficial effect who has does:

the utility model discloses a set up first overflow baffle and second and overflow the baffle in the reaction tank, make a bending reaction channel with the reaction tank, adopt the reaction mode that pushes away the flow, throw hydrogen peroxide solution many times, avoid the direct reaction between the medicament, improve the reaction effect, save the running cost.

Drawings

Fig. 1 is a schematic view of the present invention.

In the above figures, 1, a reaction tank; 2. a water inlet; 3. a water outlet; 4. a sewage draining outlet; 5. a sulfuric acid feed port; 6. a ferrous sulfate feed inlet; 7. a first overflow baffle; 8. a second overflow baffle; 9. an aeration pipe; 10. an aeration disc; 11. a hydrogen peroxide feed inlet 12 and a hydrogen peroxide feed pipe; 13. an electromagnetic valve; 14. a funnel structure; 15. a blowdown line; 16. a main aeration pipe; 17. a total hydrogen peroxide feeding pipe.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a high-efficient fenton reaction device, includes reaction tank 1, is equipped with water inlet 2 and delivery port 3 on reaction tank 1, and water inlet 2 locates the top of reaction tank 1, and delivery port 3 locates the side of reaction tank 1. A sulfuric acid feed port 5 and a ferrous sulfate feed port 6 are arranged on the reaction tank 1 and close to the water inlet 2. A plurality of first overflowing baffles 7 are vertically arranged at the bottom of the reaction tank 1, a plurality of second overflowing baffles 8 are vertically arranged at the top of the reaction tank 1, the first overflowing baffles 7 and the second overflowing baffles 8 are arranged at intervals, and overflowing channels (not marked in the figure) are formed between the end parts of the first overflowing baffles 7 and the second overflowing baffles 8 and the inner wall of the reaction tank 1.

An aeration pipe 9 is arranged in the second overflowing baffle 8, an aeration disc 10 connected with the aeration pipe 9 is arranged at the end part of the second overflowing baffle 8, and the aeration disc 10 releases air to increase turbulence. Aeration pipe 9 is connected to total aeration pipe 16.

A hydrogen peroxide feeding hole 11 is formed in the middle of the two second overflowing baffles 8 at the top of the reaction tank 1, the hydrogen peroxide feeding hole 11 is externally connected with a hydrogen peroxide feeding pipe 12, an electromagnetic valve 13 is arranged on the hydrogen peroxide feeding pipe 12, and the hydrogen peroxide feeding pipe 12 is connected into a total hydrogen peroxide feeding pipe 17.

At the bottom of the reaction tank 1, between two adjacent first overflowing baffles 7, a funnel structure 14 is provided, a sewage outlet 4 is arranged at the center of the bottom of the funnel structure 14, and the sewage outlet 4 is connected to a sewage discharge pipeline 15. The sewage pipe 15 is provided with an electromagnetic valve (not shown) to clean sludge in the reaction tank periodically. Since a large amount of suspended substances are generated by the oxidation reaction, the sediment in the funnel structure 14 can be discharged periodically, and the blockage of the overflowing channel by the sludge is avoided.

In the utility model, the electromagnetic valve 13 controls the feeding amount by the control device (not shown in the figure), so as to avoid the waste of the medicament.

Wastewater flow:

(1) the waste water enters the reaction tank through the water inlet.

(2) The PH was then adjusted by adding sulfuric acid through the sulfuric acid feed port while ferrous sulfate was added through the ferrous sulfate feed port.

(3) The wastewater flows from top to bottom, and the aeration disc releases air when the wastewater reaches the bottom, so that the turbulence is increased.

(4) The wastewater continues to increase, the water level sequentially passes through the first overflowing baffle, the electromagnetic valves are sequentially opened, and hydrogen peroxide is added.

(5) The treated wastewater is discharged from a water outlet.

Because oxidation reaction can produce a large amount of suspended solids, the mud can be discharged through the drain outlet at the bottom of the reaction tank after the wastewater treatment is finished.

Therefore, the utility model has the advantages of it is following:

1. the utility model discloses a set up first overflow baffle and second and overflow the baffle in the reaction tank, make a bending reaction channel with the reaction tank, adopt the reaction mode that pushes away the flow, throw many times and add and control the volume of throwing hydrogen peroxide solution, avoid the direct reaction between the medicament, improve the reaction effect, save the running cost.

2. The utility model discloses a funnel structure's reaction tank bottom of the pool, cooperation sewage pipes conveniently clear up mud.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a high-efficient fenton reaction unit, includes the reaction tank, be equipped with water inlet and delivery port on the reaction tank, the bottom of reaction tank is equipped with the drain, on the reaction tank in water inlet department is equipped with sulphuric acid feed inlet and ferrous sulfate feed inlet, its characterized in that: the bottom of reaction tank is vertical to be equipped with a plurality of first baffles that overflow, the vertical a plurality of seconds that are equipped with in top of reaction tank overflows the baffle, first overflow the baffle with the second overflow baffle interval arrangement will a bending reaction channel is separated into to the reaction tank, the second overflows and is equipped with the aeration pipe in the baffle, the second overflow the bottom of baffle be equipped with the aeration dish of aeration union coupling, the top of reaction tank overflows in two adjacent seconds and is equipped with the hydrogen peroxide solution feed inlet between the baffle, the external hydrogen peroxide solution inlet pipe of hydrogen peroxide solution feed inlet, be equipped with the solenoid valve on the hydrogen peroxide solution inlet pipe.

2. A high-efficiency fenton reaction apparatus according to claim 1, wherein: the bottom of the reaction tank is of a funnel structure between two adjacent first overflowing baffles, the bottom center of the funnel structure is provided with the drain outlet, and the drain outlet is connected into a drain pipeline.

3. A high-efficiency fenton reaction apparatus according to claim 1, wherein: the aeration pipe is connected to the main aeration pipe.

4. A high-efficiency fenton reaction apparatus according to claim 1, wherein: the hydrogen peroxide feeding pipe is connected to the total hydrogen peroxide feeding pipe.