CN218507912U

CN218507912U - High-purity indium electrolysis device

Info

Publication number: CN218507912U
Application number: CN202222372898.8U
Authority: CN
Inventors: 姚雁斌; 潘松成; 张文涛
Original assignee: Vital Thin Film Materials Guangdong Co Ltd
Current assignee: Vital Thin Film Materials Guangdong Co Ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-02-21
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to an electrolysis equipment technical field discloses a high-purity indium electrolytic device, including pipeline cyclic connection's elevated tank, electrolysis trough, low level groove and circulating pump in proper order, the diapire of electrolysis trough is equipped with row cinder notch, the electrolysis trough with the low level groove passes through the drain pipe intercommunication, the feed end of drain pipe is followed the bottom of electrolysis trough stretches into it inside, just the terminal surface of the feed end of drain pipe is higher than the interior bottom surface of electrolysis trough. The utility model provides a high-purity indium electrolytic device through effective control circulating electrolyte liquid level, reduces the anode mud and enters into the electrolyte when taking out electrolyte and pollutes electrolyte, has avoided the damage of anode mud to the circulating pump. Meanwhile, as the bottom wall of the electrolytic cell is provided with the slag discharging port, when the low-impurity electrolyte is pumped to the high-level cell, the electrolyte containing high-impurity anode mud at the bottom of the electrolytic cell is discharged from the slag discharging port for further treatment, thereby facilitating the cleaning of the electrolytic cell.

Description

High-purity indium electrolysis device

Technical Field

The utility model relates to the technical field of electrolysis equipment, in particular to a high-purity indium electrolysis device.

Background

Currently, indium ingots consumed by ITO target production account for about 70% of the total indium consumption worldwide, so the demand for refined indium is continuously increasing, and electrolytic purification is a main method for purifying crude indium into refined indium, which uses ions of metals to be purified as an electrolyte, uses low-purity metals as an anode to connect with a positive electrode, uses inactive pure metals as a cathode to connect with a negative electrode, and uses a power supply as a dc power supply. However, the current electrolytic purification of high-purity indium mainly has the following disadvantages.

1. The electrolysis process can produce the insoluble anode mud of high impurity, can also take away anode mud when taking out electrolyte, increases the impurity of electrolyte, reduces electrolyte reuse rate.

2. When electrolyte is pumped out, anode mud and the like enter the circulating pump to damage the impeller of the circulating pump, so that the maintenance man-hour is increased, the loss cost is increased, and the production cost is increased.

3. Anode mud piles up for a long time, and the elevated tank has a lot of anode mud in, need consume a lot of man-hours and clear up it, and the elevated tank is the restricted space, and the clearance process has the risk that the personnel stifled in addition.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high-purity indium electrolysis unit, the circulating electrolyte liquid level of effective control reduces the anode slime and pollutes electrolyte in entering into electrolyte when taking out electrolyte, avoids the anode slime to make things convenient for the clearance of electrolysis trough to the damage of circulating pump.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a high-purity indium electrolytic device, includes high-order groove, electrolysis trough, low-order groove and the circulating pump of pipeline circulation connection in proper order, the diapire of electrolysis trough is equipped with row cinder notch, the electrolysis trough with the low-order groove passes through the drain pipe intercommunication, the feed end of drain pipe is followed it is inside that the bottom of electrolysis trough stretches into, just the terminal surface of the feed end of drain pipe is higher than the interior bottom surface of electrolysis trough.

Preferably, the distance between the end surface of the feeding end of the liquid outlet pipe and the inner bottom surface of the electrolytic cell is h, and the value range of h is 2-3 cm.

Preferably, a first valve is arranged on the liquid outlet pipe between the electrolytic bath and the low-level bath.

Preferably, the slag discharging port is provided with a slag discharging pipe, and the other end of the slag discharging pipe is provided with a sewage pump.

Preferably, a second valve is arranged on the slag discharge pipe and between the electrolytic cell and the sewage pump.

Preferably, the side wall of the upper part of the electrolytic bath is provided with a liquid inlet, and the liquid inlet is communicated with the bottom of the elevated tank through a liquid inlet pipe.

Preferably, the distance between the center of the liquid inlet and the end face of the upper end of the electrolytic bath is a, and the value range of a is 5-10 cm.

Preferably, the liquid inlet pipe is horizontal; or one end of the liquid inlet pipe connected with the elevated tank is higher than one end of the liquid inlet pipe connected with the electrolytic tank.

Preferably, the bottom of the low tank is communicated with the upper end of the high tank through a circulation pipe, and the circulation pump is disposed on the circulation pipe.

Preferably, the elevated tank and the electrolytic tank are both supported by a support frame.

The embodiment of the utility model provides a high-purity indium electrolytic device, compared with the prior art, its beneficial effect lies in: it is inside to stretch into from the bottom of electrolysis trough through the feed end with the drain pipe to make the terminal surface of the feed end of drain pipe be higher than the interior bottom surface of electrolysis trough, when making take out electrolyte, only the electrolyte of the low impurity in electrolysis trough upper portion is taken out the elevated tank and is realized cyclic utilization, thereby realized through effective control circulation electrolyte liquid level, reduce the anode mud and enter into the electrolyte when taking out electrolyte and pollute electrolyte, avoided the damage of anode mud to the circulating pump. Meanwhile, as the bottom wall of the electrolytic cell is provided with the slag discharging port, when the low-impurity electrolyte is pumped to the high-level cell, the electrolyte containing high-impurity anode mud at the bottom of the electrolytic cell is discharged from the slag discharging port for further treatment, thereby facilitating the cleaning of the electrolytic cell.

Drawings

FIG. 1 is a schematic structural view of a high purity indium electrolysis apparatus according to the present invention.

FIG. 2 is a schematic view of the structure of the electrolytic cell of the present invention.

Wherein: 1-high-level tank, 2-electrolytic tank, 3-low-level tank, 4-circulating pump, 5-liquid outlet pipe, 6-first valve, 7-slag discharging pipe, 8-sewage discharging pump, 9-second valve, 10-liquid inlet pipe, 11-circulating pipe, 12-support frame, and 13-liquid inlet.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-2, the high-purity indium electrolysis device according to the preferred embodiment of the present invention comprises a high-level tank 1, an electrolysis tank 2, a low-level tank 3 and a circulating pump 4, wherein the pipelines are sequentially and circularly connected, the bottom wall of the electrolysis tank 2 is provided with a slag discharge port, the electrolysis tank 2 is communicated with the low-level tank 3 through a liquid outlet pipe 5, the feed end of the liquid outlet pipe 5 extends into the electrolysis tank 2 from the bottom of the electrolysis tank, and the end surface of the feed end of the liquid outlet pipe 5 is higher than the inner bottom surface of the electrolysis tank 2. In the specific setting, if the distance between the end surface of the feed end of the liquid outlet pipe 5 and the inner bottom surface of the electrolytic tank 2 is h, the value range of h is 2-3 cm, such as 2.5 cm.

High-purity indium electrolytic device based on above-mentioned technical characteristics, it is inside to stretch into from the bottom of electrolysis trough 2 through the feed end with drain pipe 5, and make the terminal surface of the feed end of drain pipe 5 be higher than the interior bottom surface of electrolysis trough 2, make when taking out electrolyte, only electrolyte of 2 upper portions low impurity of electrolysis trough is taken out high-order groove 1 and is realized cyclic utilization, thereby realized through effective control circulating electrolyte liquid level, it pollutes electrolyte to reduce the positive pole mud and enter into electrolyte when taking out electrolyte, the damage of positive pole mud to circulating pump 4 has been avoided. Simultaneously, because the diapire of electrolysis trough 2 is equipped with row cinder notch, after low impurity electrolyte is whole to be pumped to high-order groove 1, the electrolyte that contains high impurity anode mud in 2 bottoms of electrolysis trough will be followed row cinder notch discharge and is done further processing, has made things convenient for the clearance of electrolysis trough 2.

In this embodiment, be equipped with first valve 6 on drain pipe 5 between electrolysis trough 2 and the low level groove 3, through setting up first valve 6, open first valve 6 when needing the electrolyte in the pumping electrolysis trough 2, close first valve 6 after the pumping is accomplished.

In this embodiment, for making things convenient for 2 bottoms of electrolysis trough to contain the electrolyte of high impurity anode mud to discharge from row's cinder notch, row's cinder notch is equipped with row cinder pipe 7, and row's cinder pipe 7 other end is equipped with dredge pump 8, only need open when needing to discharge dredge pump 8 can, not only the clearance is convenient, clears up effectually moreover. In addition, a second valve 9 is arranged between the electrolytic bath 2 and the sewage pump 8 on the slag discharge pipe 7, so that the opening and closing of a slag discharge channel are conveniently controlled.

In this embodiment, a liquid inlet 13 is disposed on the side wall of the upper portion of the electrolytic tank 2, and the liquid inlet 13 is communicated with the bottom of the elevated tank 1 through a liquid inlet pipe 10. In the specific setting, if the distance between the center of the liquid inlet 13 and the end face of the upper end of the electrolytic tank 2 is a, the value of a ranges from 5 cm to 10 cm, such as 6 cm and 8 cm. Meanwhile, in order to facilitate the electrolyte in the elevated tank 1 to enter the electrolytic tank 2, the liquid inlet pipe 10 should be set to be horizontal; or one end of the liquid inlet pipe 10 connected with the elevated tank 1 is higher than one end of the liquid inlet pipe connected with the electrolytic tank 2. During the specific setting, can all support elevated tank 1 and electrolysis trough 2 through support frame 12 to through the height of the corresponding support frame 12 of adjustment in order to realize the state of feed liquor pipe 10. In addition, the electrolytic bath 2 is supported on the support frame 12, which is convenient for the arrangement of the liquid outlet pipe 5 and the slag discharge pipe 7.

In this embodiment, the bottom of the lower tank 3 is communicated with the upper end of the upper tank 1 through a circulation pipe 11, and the circulation pump 4 is disposed on the circulation pipe 11.

To sum up, the utility model has the advantages of simple manufacture, low manufacture cost, wide source of manufacture materials and high economic benefit. And can control the height of taking out electrolyte, reduce the high anode mud of impurity and get into electrolyte, increase the cycle number of times of using of electrolyte. The anode mud can not enter the circulating pump, the service life of the circulating pump is prolonged, and the maintenance cost is reduced. Meanwhile, the high-impurity electrolyte containing anode mud at the bottom can be discharged from the slag discharge port for further treatment, so that the workload of cleaning the electrolytic cell is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. A high-purity indium electrolysis device is characterized in that: including pipeline circulation connection's high-order groove, electrolysis trough, low level groove and circulating pump in proper order, the diapire of electrolysis trough is equipped with row cinder notch, the electrolysis trough with the low level groove passes through the drain pipe intercommunication, the feed end of drain pipe is followed it is inside that the bottom of electrolysis trough stretches into, just the terminal surface of the feed end of drain pipe is higher than the interior bottom surface of electrolysis trough.

2. The high purity indium electrolysis apparatus according to claim 1, wherein: the distance between the end surface of the feeding end of the liquid outlet pipe and the inner bottom surface of the electrolytic cell is h, and the value range of h is 2-3 cm.

3. The high purity indium electrolysis apparatus according to claim 1, wherein: and a first valve is arranged on the liquid outlet pipe between the electrolytic bath and the low-level bath.

4. The high purity indium electrolysis apparatus according to claim 1, wherein: the slag discharging port is provided with a slag discharging pipe, and the other end of the slag discharging pipe is provided with a sewage pump.

5. The high purity indium electrolysis apparatus according to claim 4, wherein: and a second valve is arranged on the slag discharge pipe between the electrolytic bath and the sewage pump.

6. The high purity indium electrolysis apparatus according to claim 1, wherein: the side wall of the upper part of the electrolytic bath is provided with a liquid inlet, and the liquid inlet is communicated with the bottom of the elevated tank through a liquid inlet pipe.

7. The high purity indium electrolysis apparatus according to claim 6, wherein: the distance between the center of the liquid inlet and the end face of the upper end of the electrolytic bath is a, and the value range of a is 5-10 cm.

8. The high purity indium electrolysis apparatus according to claim 6, wherein: the liquid inlet pipe is horizontal; or one end of the liquid inlet pipe connected with the elevated tank is higher than one end of the liquid inlet pipe connected with the electrolytic tank.

9. The high purity indium electrolysis apparatus according to claim 1, wherein: the bottom of the low-level tank is communicated with the upper end of the high-level tank through a circulating pipe, and the circulating pump is arranged on the circulating pipe.

10. The high purity indium electrolysis apparatus according to claim 1, wherein: the elevated tank and the electrolytic tank are supported by a support frame.