CN213388234U

CN213388234U - Industrial wastewater advanced treatment device

Info

Publication number: CN213388234U
Application number: CN202021891453.5U
Authority: CN
Inventors: 肖楚环; 贾同岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-08
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses an industrial wastewater advanced treatment device, which comprises an aeration biological filter box and an ozone oxidation box, wherein the aeration biological filter box and the ozone oxidation box are distributed up and down, the biological filter box is positioned right above the ozone oxidation box, and the aeration biological filter box is communicated with the ozone oxidation box through a water pipe; the biological filter box comprises a biological filter box body, a biological filter layer, an aeration pipe and an aeration head, wherein the biological filter layer is arranged in the middle of the biological filter box body; the utility model discloses can utilize ozone shunt to shunt the ozone gas that the external world spreads into in the branch and handle to improve the catalytic oxidation efficiency of ozone, at first carry out coarse filtration to waste water before carrying out waste water catalytic oxidation in addition, then utilize aeration biological filtration method to carry out retreatment to the water after the coarse filtration, then combine ozone catalytic oxidation method to handle water again, can promote equipment purifying effect, solve the not thorough problem of industrial waste water purification.

Description

Industrial wastewater advanced treatment device

Technical Field

The utility model relates to an industrial wastewater treatment field specifically is an industrial wastewater advanced treatment unit.

Background

The industrial wastewater comprises production wastewater, production sewage and cooling water, and refers to wastewater and waste liquid generated in the industrial production process, wherein the wastewater and the waste liquid contain industrial production materials, intermediate products, byproducts and pollutants generated in the production process, which are lost along with water. The industrial wastewater has various types and complex components. For example, the waste water from electrolytic salt industry contains mercury, the waste water from heavy metal smelting industry contains various metals such as lead and cadmium, the waste water from electroplating industry contains various heavy metals such as cyanide and chromium, the waste water from petroleum refining industry contains phenol, and the waste water from pesticide manufacturing industry contains various pesticides. Because industrial wastewater contains various toxic substances and pollutes the environment, the environment is harmful to human health, so that the industrial wastewater is developed to be comprehensively utilized and turn the harmful into the beneficial, and can be discharged after being treated by adopting corresponding purification measures according to the components and the concentration of pollutants in the wastewater.

The existing advanced treatment method mainly comprises a dosing precipitation method, an adsorption method, an oxidation-reduction method and the like, the dosing precipitation process has strong selectivity on raw water, the activated carbon adsorption has irreversibility and high cost, and compared with the ozone oxidation method, the process is simple, the cost is low and the popularization is convenient; in addition, the ozone oxidation method has the defects of short reaction time, incomplete purification and easy ozone waste, so that a device for improving the utilization rate of ozone and strengthening the purification effect is required to be designed to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industrial waste water advanced treatment device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an industrial wastewater advanced treatment device comprises an aeration biological filter tank and an ozone oxidation tank, wherein the aeration biological filter tank and the ozone oxidation tank are distributed up and down, the biological filter tank is positioned right above the ozone oxidation tank, and the aeration biological filter tank is communicated with the ozone oxidation tank through a water pipe; the biological filter box comprises a biological filter box body, a biological filter layer, an aeration pipe and aeration heads, wherein the biological filter layer is arranged in the middle of the biological filter box body, the end part of the aeration pipe extends into the biological filter box body, and the end part of the aeration pipe is provided with a plurality of aeration heads; ozone oxidation case includes ozone oxidation case box, ozone shunt and outlet, the top and the bottom at ozone oxidation case box are fixed at the both ends of ozone shunt through main gas receiver, the top and the ozone intake pipe intercommunication of main gas receiver, the ozone intake pipe passes ozone oxidation case box and links to each other with external ozone manufacture equipment, the mid-mounting of main gas receiver has a plurality of U-shaped to manage, and a plurality of ozone air faucets are installed to the inboard and outboard that the U-shaped was managed.

As a further aspect of the present invention: the bottom of the biological filter box body is provided with a back flush water inlet pipe, the top of the biological filter box body is provided with a back flush water outlet pipe, and valves are arranged on the back flush water inlet pipe and the back flush water outlet pipe.

As a further aspect of the present invention: the water pipe is communicated with the aeration biological filter tank and the ozone oxidation tank, and the water pipe is provided with a control valve.

As a further aspect of the present invention: the bottom of the ozone oxidation box body is provided with a water outlet, and a valve is arranged on the water outlet.

As a further aspect of the present invention: the top and the coarse filtration case intercommunication of aeration biological filtration case, coarse filtration case includes coarse filtration case box, first filter, coarse sand filter layer and second filter are installed in proper order to the middle part from the top down of coarse filtration case box, be equipped with a plurality of waterlogging caused by excessive rainfall mouths on first filter and the second filter.

As a further aspect of the present invention: and a wastewater inlet is formed in the top of the coarse filter tank.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can utilize ozone shunt to shunt the ozone gas that the external world spreads into in the branch and handle to improve the catalytic oxidation efficiency of ozone, at first carry out coarse filtration to waste water before carrying out waste water catalytic oxidation in addition, then utilize aeration biological filtration method to carry out retreatment to the water after the coarse filtration, then combine ozone catalytic oxidation method to handle water again, can promote equipment purifying effect, solve the not thorough problem of industrial waste water purification.

Drawings

FIG. 1 is a schematic view of a combined structure of an advanced treatment apparatus for industrial wastewater.

FIG. 2 is a schematic structural diagram of a coarse filter tank in an industrial wastewater advanced treatment device.

FIG. 3 is a schematic structural view of an ozone splitter in an industrial wastewater advanced treatment device.

In the figure: 1-coarse filtration tank, 2-aeration biological filtration tank, 3-ozone oxidation tank, 4-ozone splitter, 5-water pipe, 6-control valve, 101-coarse filtration tank body, 102-wastewater inlet, 103-first filter plate, 104-coarse sand filter layer, 105-second filter plate, 106-draining port, 201-biological filtration tank body, 202-biological filter layer, 203-aeration pipe, 204-aeration head, 205-back flush water inlet pipe, 206-back flush water outlet pipe, 301-ozone oxidation tank body, 302-water outlet, 401-ozone inlet pipe, 402-main gas storage pipe, 403-U-shaped branch pipe, 404-ozone gas nozzle.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1-3, in the embodiment of the present invention, an industrial wastewater advanced treatment device includes an aeration biological filter tank 2 and an ozonation tank 3, wherein the aeration biological filter tank 2 and the ozonation tank 3 are distributed vertically, the biological filter tank 2 is located right above the ozonation tank 3, and the aeration biological filter tank 2 is communicated with the ozonation tank 3 through a water pipe 5; the biological filter tank 2 comprises a biological filter tank body 201, a biological filter layer 202, an aeration pipe 203 and aeration heads 204, wherein the biological filter layer 202 is arranged in the middle of the biological filter tank body 201, the end part of the aeration pipe 203 extends into the biological filter tank body 201, and the end part of the aeration pipe 203 is provided with a plurality of aeration heads 204; ozone oxidation case 3 includes ozone oxidation case box 301, ozone shunt 4 and outlet 302, ozone shunt 4 is fixed at the top and the bottom of ozone oxidation case box 301 through the both ends of main gas receiver 402, the top and the ozone intake pipe 401 intercommunication of main gas receiver 402, ozone intake pipe 401 passes ozone oxidation case box 301 and links to each other with external ozone manufacture equipment, the mid-mounting of main gas receiver 402 has a plurality of U-shaped to be divided pipe 403, and a plurality of ozone air nozzles 404 are installed to the inboard and outboard that the U-shaped was divided pipe 403.

In this embodiment, when the wastewater is filtered by the coarse filtration tank 1 and then flows into the biological filtration tank 2, the gas in the aeration pipe 203 is released into the biological filtration tank 2 through the aeration head 204 to purify the coarse filtered water, and the coarse filtered water is subjected to secondary purification and filtration in the biological filtration layer 202; water after the secondary filtration can flow into ozone oxidation case 4 via water pipe 5, and external ozone manufacturing equipment can discharge the ozone of making into main gas receiver 402 through ozone intake pipe 401 this moment, and the inside ozone of main gas receiver 402 can be discharged into ozone oxidation case box 301 from ozone air cock 404 through the reposition of redundant personnel of a plurality of U-shaped branch pipes 403 in, and water after the secondary filtration can carry out catalytic oxidation through the ozone in ozone oxidation case box 301.

Referring to fig. 1, as a preferred embodiment of the present invention, a back-washing water inlet pipe 205 is disposed at the bottom of the biological filtration tank 201, a back-washing water outlet pipe 206 is disposed at the top of the biological filtration tank 201, and valves are installed on the back-washing water inlet pipe 205 and the back-washing water outlet pipe 206.

In this embodiment, after the biological filter layer 202 in the biological filter tank 2 is used for a long time, it needs to be backwashed, at this time, the control valve 6 is closed, the valves installed on the backwash water inlet pipe 205 and the backwash water outlet pipe 206 are opened, the water source is connected from the backwash water inlet pipe 205, and the sewage after washing is discharged out of the biological filter tank 2 through the backwash water outlet pipe 206; after the back washing is finished, the control valve 6 is opened again, and the valves arranged on the back washing water inlet pipe 205 and the back washing water outlet pipe 206 are closed.

Referring to fig. 1, as another preferred embodiment of the present invention, the water pipe 5 connects the aeration biological filtering tank 2 and the ozone oxidation tank 3, and the water pipe 5 is provided with a control valve 6.

Referring to fig. 1, as another preferred embodiment of the present invention, a water outlet 302 is disposed at the bottom of the box 301 of the ozonation box, and a valve is installed on the water outlet 302.

In this embodiment, the water after the secondary filtration is catalytically oxidized by the ozone in the ozone oxidation box 301 and then discharged out of the apparatus through the water outlet 302.

Referring to fig. 2, as another preferred embodiment of the present invention, the top of the biological aerated filter tank 2 is communicated with the coarse filter tank 1, the coarse filter tank 1 comprises a coarse filter tank body 101, a first filter plate 103, a coarse sand filter layer 104 and a second filter plate 105, the first filter plate 103, the coarse sand filter layer 104 and the second filter plate 105 are sequentially installed in the middle of the coarse filter tank body 101 from top to bottom, and a plurality of drainage ports 106 are disposed on the first filter plate 103 and the second filter plate 105.

In practical use, the sewage discharged from the wastewater inlet 102 flows into the coarse sand filter layer 104 through the draining holes 106 of the first filter plate 103 for preliminary filtration, and the filtered water flows into the biological filter tank 2 through the draining holes 106 of the second filter plate 105; preferably, in order to avoid excessive pressure of the aeration pipe 203 on the inside of the equipment, a pressure relief valve can be installed at the top of the coarse filter tank 1 to stabilize the pressure inside the equipment.

Referring to fig. 1, as another preferred embodiment of the present invention, a waste water inlet 102 is provided at the top of the coarse filtering tank 1.

In actual use, wastewater is discharged into the coarse filtration tank 1 through the wastewater inlet 102 for coarse treatment.

The utility model discloses a theory of operation is:

in practical use, wastewater is discharged into the coarse filter tank 1 through the wastewater inlet 102 for coarse treatment, the wastewater discharged from the wastewater inlet 102 flows into the coarse sand filter layer 104 from the draining holes 106 of the first filter plate 103 for primary filtration, and the filtered water flows into the biological filter tank 2 through the draining holes 106 of the second filter plate 105; at this time, the gas in the aeration pipe 203 is released into the biological filter tank 2 through the aeration head 204 to purify the water after coarse filtration, and the water after coarse filtration is subjected to secondary purification filtration in the biological filter layer 202; the water after the secondary filtration flows into the ozone oxidation box 4 through the water pipe 5, at the moment, the manufactured ozone is discharged into the main gas storage pipe 402 through the ozone inlet pipe 401 by external ozone manufacturing equipment, the ozone in the main gas storage pipe 402 is discharged into the ozone oxidation box body 301 from the ozone air nozzle 404 through the shunting of the plurality of U-shaped branch pipes 403, and the water after the secondary filtration is subjected to catalytic oxidation through the ozone in the ozone oxidation box body 301; the water after catalytic oxidation will be discharged out of the apparatus through the water outlet 302.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The industrial wastewater advanced treatment device comprises an aeration biological filter tank (2) and an ozone oxidation tank (3), and is characterized in that the aeration biological filter tank (2) and the ozone oxidation tank (3) are distributed up and down, the biological filter tank (2) is positioned right above the ozone oxidation tank (3), and the aeration biological filter tank (2) is communicated with the ozone oxidation tank (3) through a water pipe (5); the biological filter box (2) comprises a biological filter box body (201), a biological filter layer (202), an aeration pipe (203) and aeration heads (204), wherein the biological filter layer (202) is arranged in the middle of the biological filter box body (201), the end part of the aeration pipe (203) extends into the biological filter box body (201), and the end part of the aeration pipe (203) is provided with a plurality of aeration heads (204); ozone oxidation case (3) are including ozone oxidation case box (301), ozone shunt (4) and outlet (302), ozone shunt (4) are fixed at the top and the bottom of ozone oxidation case box (301) through the both ends of main gas receiver (402), the top and the ozone intake pipe (401) intercommunication of main gas receiver (402), ozone intake pipe (401) are passed ozone oxidation case box (301) and are linked to each other with external ozone manufacture equipment, the mid-mounting of main gas receiver (402) has a plurality of U-shaped to be divided and manages (403), and a plurality of ozone air nozzles (404) are installed to the inside and outside that the U-shaped was divided and is managed (403).

2. The advanced industrial wastewater treatment device according to claim 1, wherein a back-washing water inlet pipe (205) is arranged at the bottom of the biological filter tank body (201), a back-washing water outlet pipe (206) is arranged at the top of the biological filter tank body (201), and valves are arranged on the back-washing water inlet pipe (205) and the back-washing water outlet pipe (206).

3. The advanced industrial wastewater treatment device according to claim 2, wherein the water pipe (5) is communicated with the aeration biological filter tank (2) and the ozone oxidation tank (3), and the water pipe (5) is provided with a control valve (6).

4. The advanced industrial wastewater treatment device according to claim 3, wherein a water outlet (302) is formed in the bottom of the ozone oxidation box body (301), and a valve is mounted on the water outlet (302).

5. The advanced industrial wastewater treatment device according to claim 3, wherein the top of the aeration biological filter tank (2) is communicated with the coarse filter tank (1), the coarse filter tank (1) comprises a coarse filter tank body (101), a first filter plate (103), a coarse sand filter layer (104) and a second filter plate (105), the middle part of the coarse filter tank body (101) is provided with the first filter plate (103), the coarse sand filter layer (104) and the second filter plate (105) from top to bottom, and a plurality of draining ports (106) are arranged on the first filter plate (103) and the second filter plate (105).

6. An advanced industrial wastewater treatment device according to claim 5, characterized in that the top of the coarse filtration tank (1) is provided with a wastewater inlet (102).