CN212476214U

CN212476214U - Diaphragm electrolysis device for treating copper passivation waste liquid

Info

Publication number: CN212476214U
Application number: CN202020806278.9U
Authority: CN
Inventors: 丁曙东; 姜娜; 于凯; 朱必立
Original assignee: Qingdao Guobiao Environmental Protection Engineering Co ltd
Current assignee: Qingdao Guobiao Environmental Protection Engineering Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-05
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to a diaphragm electrolytic device for handling copper passivation waste liquid, the on-line screen storage device comprises a base, fix the electrolysis storehouse on the base, install the closing cap on the electrolysis storehouse, fix the inside diaphragm in electrolysis storehouse, install the hot plate on the base, fix the inside negative pole electrolytic plate in electrolysis storehouse, positive pole electrolytic plate, the negative pole bull stick, the positive pole bull stick, negative pole rubber floater, the feed liquor hole on positive pole rubber floater and the closing cap, fix the negative pole at closing cap both ends respectively and connect, the positive pole connects, the spout, be located the inside filter screen of spout and fix the piece that draws on the filter screen. The rotating rod and the rubber floating ball on the cathode and anode electrolytic plate can ensure that the electrode plate is completely immersed into the solution, thereby improving the electrolytic speed; the bottom of the electrolytic bin is provided with a heating plate to ensure that the electrolytic plate works at the optimal process temperature of 45 ℃; the filter screen that the downthehole portion of feed liquor set up can avoid large granule metal ion gathering too much to lead to the negative and positive pole short circuit, better assurance goes out water cyclic utilization up to standard.

Description

Diaphragm electrolysis device for treating copper passivation waste liquid

Technical Field

The utility model relates to the field of electrolytic equipment, in particular to a diaphragm electrolysis device for treating copper passivation waste liquid.

Background

The passivation enables the metal surface to be converted into a state which is not easy to be oxidized, the corrosion speed of the metal is delayed, copper can generate a large amount of passivation waste water after passivation, the copper content is high, the passivation waste water can cause different degrees of harm to the atmosphere, water and soil after direct discharge, copper ions can form aggregates with dust particles after entering the air, and the copper ions can cause fatal harm to the life of people after entering the respiratory tract of a human body; irrigating farmlands by using the copper-containing wastewater, so that copper is enriched in soil and crops, poor growth of the crops is caused, and the crop yield is seriously reduced; the discharge of copper-containing waste water into a water body not only affects aquatic organisms, but also seriously threatens the drinking water safety of residents, so that the copper passivation waste liquid needs to be treated.

The method for treating the copper passivation waste liquid comprises an ion exchange method and a diaphragm electrolysis method: the ion exchange method has large one-time investment, high treatment cost and non-recyclable resources, and the eluent obtained from the cation exchange column and the anion exchange column needs to be reprocessed, thereby being time-consuming and easy to form secondary pollution; the diaphragm electrolysis process is a water treatment, purification and recovery technology with comprehensive functional characteristics by combining electrolysis and membrane technology, and can purify waste water, waste residue and waste liquid and recover useful substances such as metal, organic matters and the like.

The positions of a positive electrode plate and a negative electrode plate in an electrolysis device adopted by the existing diaphragm electrolysis method are fixed, and when the liquid level is low, the electrode plates cannot be completely immersed in the solution, so that the electrolysis rate is influenced; the electrolyte can not be filtered in the electrolyte injection process, so that large-particle metal ions enter, and the metal ions are excessively gathered to cause short circuit of a cathode and an anode; the lack of a heating device inside the device does not ensure a stable electrolysis environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defects, the utility model provides a diaphragm electrolysis device for handling copper passivation waste liquid to solve among the prior art electrolysis speed low, the unstable scheduling problem of electrolysis environment.

The utility model adopts the technical scheme as follows:

a diaphragm electrolysis device for treating copper passivation waste liquid comprises a base, an electrolysis bin fixed on the base, a sealing cover arranged on the electrolysis bin, a diaphragm fixed in the electrolysis bin, a heating plate arranged on the base, a cathode electrolysis plate fixed in the electrolysis bin, an anode electrolysis plate, a cathode rotating rod, an anode rotating rod, a cathode rubber floating ball and an anode rubber floating ball.

The sealing cover comprises a liquid inlet hole, a cathode joint, an anode joint, a chute, a filter screen and a pulling block, wherein the cathode joint, the anode joint and the chute are respectively fixed at two ends of the sealing cover, the filter screen is positioned in the chute, and the pulling block is fixed on the filter screen.

Furthermore, one end of the cathode rotating rod is connected with the bottom end of the cathode electrolytic plate, and the other end of the cathode rotating rod is rotatably connected with the inner wall of the electrolytic bin; one end of the anode rotating rod is connected with the bottom end of the anode electrolytic plate, and the other end of the anode rotating rod is rotatably connected with the inner wall of the electrolytic bin.

Furthermore, the cathode rubber floating ball is connected with the top end of the cathode electrolytic plate, and the anode rubber floating ball is connected with the top end of the anode electrolytic plate.

Furthermore, the bottom end of the cathode joint is connected with the cathode electrolytic plate through a lead, and the bottom end of the anode joint is connected with the anode electrolytic plate through a lead.

Furthermore, the cathode joint is fixed on one side of the top of the sealing cover, and the anode joint is fixed on the other side of the top of the sealing cover.

Further, the spout sets up the both sides at the closing cap.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model provides a diaphragm electrolytic device for handling copper passivation waste liquid, bull stick and rubber floater on the positive and negative pole electrolysis board can be along with the difference of the inside liquid level in electrolysis storehouse, and the inclination of control electrolysis board ensures inside the electrolysis board can sink into the electrolysis storehouse completely, has improved electrolysis speed.

(2) The utility model discloses an electrolysis storehouse bottom hot plate can provide suitable temperature for the electrolysis to the inside solution heating in electrolysis storehouse, ensures that the electrolysis board works under best process temperature 45 ℃.

(3) The utility model discloses a filter screen that feed liquor downthehole portion set up can filter the metal ion of large granule, avoids gathering too much and leads to the negative and positive pole short circuit, better assurance goes out water cyclic utilization up to standard.

Drawings

FIG. 1 is a high liquid level electrolysis structure diagram of the present invention;

FIG. 2 is a diagram of the low level electrolysis structure of the present invention;

in the figure: 1-base, 2-cathode rotating rod, 3-electrolytic bin, 4-cathode electrolytic plate, 5-cathode rubber floating ball, 6-filter screen, 7-liquid inlet hole, 8-cathode joint, 9-sealing cover, 10-anode joint, 11-pulling block, 12-sliding groove, 13-anode rubber floating ball, 14-anode electrolytic plate, 15-diaphragm, 16-anode rotating rod and 17-heating plate.

Detailed Description

As shown in fig. 1 and fig. 2, the present embodiment provides a diaphragm electrolysis device for treating copper passivation waste liquid, comprising a base 1, an electrolysis chamber 3 fixed on the base, a cover 9 installed on the electrolysis chamber, a diaphragm 15 fixed inside the electrolysis chamber, a heating plate 17 installed on the base, a cathode electrolytic plate 4 fixed inside the electrolysis chamber, an anode electrolytic plate 14, a cathode rotating rod 2, an anode rotating rod 16, a cathode rubber floating ball 5 and an anode rubber floating ball 13.

The sealing cover comprises a liquid inlet hole 7, a cathode joint 8, an anode joint 10, a chute 12, a filter screen 6 and a pull block 11, wherein the cathode joint 8, the anode joint 10 and the chute 12 are respectively fixed at two ends of the sealing cover, the filter screen is positioned in the chute, and the pull block 11 is fixed on the filter screen.

Furthermore, one end of the cathode rotating rod 2 is connected with the bottom end of the cathode electrolytic plate 4, and the other end is rotatably connected with the inner wall of the electrolytic bin 3; one end of the anode rotating rod 16 is connected with the bottom end of the anode electrolytic plate 14, and the other end is rotatably connected with the inner wall of the electrolysis 3.

Furthermore, the cathode rubber floating ball 5 is connected with the top end of the cathode electrolytic plate 4, and the anode rubber floating ball 13 is connected with the top end of the anode electrolytic plate 14.

Further, the bottom end of the cathode tab 8 is connected to the cathode electrolytic plate 4 through a lead, and the bottom end of the anode tab 10 is connected to the anode electrolytic plate 14 through a lead.

Further, a cathode tab 8 is fixed to one side of the top of the cap 9, and an anode tab 10 is fixed to the other side of the top of the cap 9.

Further, sliding grooves 12 are provided on both sides of the cover 9.

The steps of using the utility model are as follows:

(1) the device is fixedly placed, copper passivation waste liquid is injected through the liquid inlet hole, a filter screen in the liquid inlet hole is used for filtering large-particle metal ions, the waste liquid enters the electrolytic bin, the floating ball drives one end of the electrolytic plate to rise along with the rise of the liquid level, the electrolytic plate is ensured to be completely immersed in the solution, and after the solution is injected, a power supply is switched on for electrolysis;

(2) in the electrolytic process, the heating plate is started to control the electrolyte at the optimal process temperature of 45 ℃ so as to provide proper process conditions for electrolysis;

(3) after the electrolysis is finished, the filter screen is taken out from the inside of the chute and cleaned, and then the standard-reaching waste liquid is discharged for recycling.

The above is only an embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. A diaphragm electrolysis device for treating copper passivation waste liquid is characterized by comprising a base, an electrolysis bin fixed on the base, a sealing cover installed on the electrolysis bin, a diaphragm fixed inside the electrolysis bin, a heating plate installed on the base, a cathode electrolysis plate, an anode electrolysis plate, a cathode rotating rod and an anode rotating rod fixed inside the electrolysis bin, and a cathode rubber floating ball fixed on the upper portion of the cathode plate and an anode rubber floating ball fixed on the upper portion of the anode plate.

2. The diaphragm electrolysis device for treating copper passivation waste liquid according to claim 1, wherein the sealing cover comprises a liquid inlet hole, a cathode joint and an anode joint which are respectively fixed at two ends of the sealing cover, a sliding groove, a filter screen positioned inside the sliding groove and a pulling block fixed on the filter screen.

3. The diaphragm electrolysis device for treating copper passivation waste liquid according to claim 1, wherein one end of the cathode rotating rod is connected with the bottom end of the cathode electrolytic plate, and the other end is rotatably connected with the inner wall of the electrolysis cabin; one end of the anode rotating rod is connected with the bottom end of the anode electrolytic plate, and the other end of the anode rotating rod is rotatably connected with the inner wall of the electrolytic bin.

4. The diaphragm electrolysis device for treating copper passivation waste liquid according to claim 1, wherein the cathode rubber floating ball is connected with the top end of the cathode electrolytic plate, and the anode rubber floating ball is connected with the top end of the anode electrolytic plate.

5. A membrane electrolysis device for treating waste copper passivation solution according to claim 1 or 2, wherein the bottom end of the cathode tap is connected with the cathode electrolytic plate through a lead, and the bottom end of the anode tap is connected with the anode electrolytic plate through a lead.

6. A membrane electrolysis device for treating copper passivation waste liquid according to claim 2, characterized in that the cathode tap is fixed on one side of the top of the cover and the anode tap is fixed on the other side of the top of the cover.

7. A diaphragm electrolysis apparatus for treating waste copper passivating solution according to claim 2, wherein chutes are provided on both sides of the cover.