CN211644911U

CN211644911U - Three-dimensional electrochemical reactor for treating refined cotton wastewater

Info

Publication number: CN211644911U
Application number: CN201922442213.0U
Authority: CN
Inventors: 周航旭
Original assignee: Hubei Jinhanjiang Refined Cotton Co Ltd
Current assignee: Hubei Jinhanjiang Refined Cotton Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-09
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a three-dimensional electrochemical reactor is used in refined cotton waste water treatment, the upper portion of casing is the opening form, has covered the apron at the opening part on casing upper portion, has seted up the gas pocket on this apron, the insulating layer has evenly been laid on the inside wall of casing, the micropore baffle separates to put in the casing, becomes electrolysis district and lower sewage discharge area with the inside partition of casing, has seted up the water inlet at this lower sewage discharge area lateral part, and this water inlet is linked together with the water pump, has seted up the drain in the bottom of this lower sewage discharge area, installs the blowoff valve in this drain department, and the overflow mouth has been seted up to the last side of electrolysis district on this, positive pole fixed mounting is on the apron to be located the central authorities of electrolysis district, the inner core of this positive pole is the copper bar, the utility model discloses the advantage is: the waste iron chips of the lathe are used as the easily-damaged and consumed anode, chemical agents are not required to be added, the wastewater treatment cost is reduced, the treatment pressure of an upper electrolysis area is reduced, the wastewater treatment effect is improved, and the treatment efficiency is high.

Description

Three-dimensional electrochemical reactor for treating refined cotton wastewater

Technical Field

The utility model relates to the technical field of reactors, in particular to a technical field of a reactor for treating refined cotton wastewater.

Background

The refined cotton is a high-purity cellulose product prepared by using cotton linters as raw materials through alkaline cooking and bleaching, is generally applied to the cellulose fields of cellulose ester, nitrocellulose, cellulose acetate and the like, and is an important basic material for national economy. A large amount of cooking black liquor and bleaching liquor, which are collectively called wastewater, are produced in the production process of refined cotton. Because the wastewater contains a large amount of chloride ions, the chloride ions have strong corrosivity on the pipelines in the treatment process, and the service life of treatment equipment is seriously influenced; in addition, most of the existing wastewater treatment equipment adopts a mode of adding chemical agents to treat wastewater, so that the wastewater cost is high, and the treatment effect is not enough.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provide a three-dimensional electrochemical reactor for treating refined cotton wastewater, which can effectively remove chloride ions, has good corrosion resistance and low treatment cost.

The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:

the three-dimensional electrochemical reactor for treating the refined cotton wastewater mainly comprises a shell, a cathode, an anode, a microporous partition plate, a particle electrode and an aeration device, wherein the upper part of the shell is in an open shape, a cover plate is covered at the opening at the upper part of the shell, an air hole is formed in the cover plate, an insulating layer is uniformly laid on the inner side wall of the shell, the microporous partition plate is arranged in the shell in a partition way and divides the interior of the shell into an upper electrolytic area and a lower sewage discharge area, a water inlet is formed in the side part of the lower sewage discharge area, the water inlet is communicated with a water pump, a sewage discharge outlet is formed in the bottom of the lower sewage discharge area, a sewage discharge valve is arranged at the sewage discharge outlet, an overflow port is formed in the upper side part of the upper electrolytic area, the anode is fixedly arranged on the cover plate and is positioned in the center of the upper electrolytic area, the inner core of the anode is a copper rod, and the, the cathode is made of a cylindrical carbon felt, the cylindrical carbon felt cathode is placed on a micropore partition plate of an upper electrolysis area, the cathode is positioned around the anode, a hole corresponding to an overflow port is formed in the cylindrical carbon felt, a filter screen is installed at the hole, an anode wiring terminal and a cathode wiring terminal are arranged on a cover plate, the anode wiring terminal is electrically connected with a copper rod, the cathode wiring terminal is electrically connected with the carbon felt, the aeration device mainly comprises a fan and a disc-shaped spray pipe, nozzles are uniformly arranged on the disc-shaped spray pipe, the disc-shaped spray pipe is placed on the micropore partition plate and communicated with the fan installed on the outer side of the shell through an air pipe, and the particle electrode is uniformly suspended in the upper electrolysis area under the action of the aeration device.

The shell is in a cup shape with a conical bottom.

The insulating layer on the inner side wall of the shell is made of ceramic materials.

The utility model has the advantages that:

1. the waste iron chips of the lathe are used as the easily-damaged and consumed anode, and chemical agents are not required to be added, so that the wastewater treatment cost is reduced.

2. Through set up aeration equipment in the bottom in last electrolysis district, can suspend granule electrode in last electrolysis district evenly, the waste water treatment effect is better.

3. Large granular substances in the wastewater are removed through the microporous partition plate, the treatment pressure of an upper electrolytic zone is reduced, the treatment effect of the wastewater is improved, and the treatment efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, the three-dimensional electrochemical reactor for treating refined cotton wastewater mainly comprises a shell 1, a cathode 2, an anode 3, a microporous partition plate 4, a particle electrode 5 and an aeration device, wherein the upper part of the shell 1 is in an open shape, a cover plate 6 is covered at the upper opening of the shell 1, an air hole 7 is arranged on the cover plate 6, an insulating layer 8 is uniformly laid on the inner side wall of the shell 1, the microporous partition plate 4 is arranged in the shell 1 in a partition manner, the interior of the shell 1 is divided into an upper electrolysis area 101 and a lower sewage area 102, a water inlet 103 is arranged at the side part of the lower sewage area 102, the water inlet 103 is communicated with a water pump 9, a sewage discharge outlet 104 is arranged at the bottom of the lower sewage area 102, a sewage discharge valve 10 is arranged at the sewage discharge outlet 104, an overflow outlet 105 is arranged at the upper side part of the upper electrolysis area 101, the anode 3 is fixedly arranged on the cover plate 6 and is positioned, the inner core of the anode 3 is a copper bar 301, lathe scrap iron 303 is wrapped on the copper bar 301 through a polytetrafluoroethylene net 302 outside the copper bar 301, the cathode 2 is made of a cylindrical carbon felt, the cylindrical carbon felt cathode 2 is placed on a micropore partition plate 4 of an upper electrolysis area 101, the cathode 2 is positioned around the anode 3, a hole 201 corresponding to an overflow port 105 is formed in the cylindrical carbon felt, a filter screen 11 is installed at the position of the hole 201, the filter screen 11 is used for preventing dirt in the upper electrolysis area 101 from being directly discharged, an anode binding post 12 and a cathode binding post 13 are arranged on the cover plate 6, the anode binding post 12 is electrically connected with the copper bar 301, the cathode binding post 13 is electrically connected with the carbon felt, the aeration device mainly comprises a fan 14 and a disc-shaped spray pipe 15, nozzles 16 are uniformly formed in the disc-shaped spray pipe 15, the disc-shaped spray pipe 15 is placed on the micropore partition plate 4, and is communicated with a fan 14 arranged outside the shell 1 through an air pipe 17, and the particle electrodes 5 are uniformly suspended in the upper electrolysis area 101 under the action of an aeration device.

Claims

1. The three-dimensional electrochemical reactor for treating the refined cotton wastewater is characterized in that: the device mainly comprises a shell, a cathode, an anode, a microporous partition plate, a particle electrode and an aeration device, wherein the upper part of the shell is in an open shape, a cover plate is covered at the opening at the upper part of the shell, an air hole is formed in the cover plate, an insulating layer is uniformly laid on the inner side wall of the shell, the microporous partition plate is partitioned in the shell, the interior of the shell is partitioned into an upper electrolysis area and a lower sewage discharge area, a water inlet is formed in the side part of the lower sewage discharge area, the water inlet is communicated with a water pump, a sewage discharge outlet is formed in the bottom of the lower sewage discharge area, a sewage discharge valve is arranged at the sewage discharge outlet, an overflow outlet is formed in the upper side part of the upper electrolysis area, the anode is fixedly arranged on the cover plate and is positioned in the center of the upper electrolysis area, the inner core of the anode is a copper rod, lathe scrap iron is wrapped on the copper rod through a polytetrafluoroethylene net outside the copper, the cylindrical carbon felt cathode is placed on a micropore partition board of an upper electrolysis area, the cathode is positioned around an anode, a hole corresponding to an overflow port is formed in the cylindrical carbon felt, a filter screen is installed at the hole, an anode terminal and a cathode terminal are arranged on a cover plate, the anode terminal is electrically connected with a copper bar, the cathode terminal is electrically connected with the carbon felt, the aeration device mainly comprises a fan and a disc-shaped spray pipe, nozzles are uniformly arranged on the disc-shaped spray pipe, the disc-shaped spray pipe is placed on the micropore partition board and is communicated with the fan installed on the outer side of the shell through an air pipe, and the particle electrode is uniformly suspended in the upper electrolysis area under the action of the aeration device.

2. The three-dimensional electrochemical reactor for treating purified cotton wastewater according to claim 1, wherein: the shell is in a cup shape with a conical bottom.

3. The three-dimensional electrochemical reactor for treating purified cotton wastewater according to claim 1 or 2, characterized in that: the insulating layer on the inner side wall of the shell is made of ceramic materials.