CN214496499U

CN214496499U - Multistage series connection electrolyte purifier

Info

Publication number: CN214496499U
Application number: CN202022505202.5U
Authority: CN
Inventors: 薛小军; 杨扬
Original assignee: Shaanxi Ruikai Environmental Protection & Technology Co ltd
Current assignee: Shaanxi Ruikai Environmental Protection & Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-10-26
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a multistage series connection electrolyte purification device, which comprises a stepped rack, wherein the rack is sequentially provided with a first electrodeposition tank, a second electrodeposition tank and a third electrodeposition tank from high to low, the upper parts of the side walls of the first electrodeposition tank, the second electrodeposition tank and the third electrodeposition tank are respectively connected through overflow pipelines, three electrodeposition tanks are respectively provided with a conductive copper bar, a plurality of polar plates are uniformly and fixedly arranged on the conductive copper bar, and each polar plate is coated with an active substance for pre-removing metal chemical reaction; still include the electrolyte hold up tank of heatable, the electrolyte hold up tank provides electrolyte for first electrodeposition cell through first connecting pipe and circulating pump. The device of the utility model is simple in structure, reasonable in design, the practicality is strong, and through the frame with a plurality of electrodeposition cell echelon series arrangement, improve the reaction rate of electrolyte and polar plate on the one hand, another party echelon repeated purification improves purifying effect, this device is verified through the experiment that the electrolyte can effectively clear metallic impurity after purifying.

Description

Multistage series connection electrolyte purifier

Technical Field

The utility model belongs to the technical field of electrolysis recovery plant, concretely relates to multistage series connection electrolyte purifier.

Background

The purification of the copper electrolyte is an essential important process for the electrolytic refining production of copper, the selection of the purification process of the electrolyte is related to a plurality of factors such as the components of anode copper, the market demand of the produced by-products, the comprehensive economic benefit, the environmental protection and the like, and therefore, the selection of the copper electrolyte purification process scheme is directly related to the quality and the production cost of cathode copper products.

The selection of the copper electrolyte purification process scheme is determined according to the specific conditions of each factory, and the purification process adopted by each factory at present can be summarized into the following three procedures:

(1) decoppering, balancing the copper ion system.

(2) Removing impurities of arsenic, antimony and bismuth, and removing copper, arsenic, antimony and bismuth from the primary mother liquor to generate arsenic-removed liquor.

(3) Removing nickel, recovering acid, evaporating, concentrating, cooling, crystallizing to obtain coarse nickel sulfate, and recovering high-concentration acid.

However, in the prior art, metals in the solution are generally purified and recovered in a parallel mode, but the problems that the flow speed of the electrolytic solution is slow, the reaction efficiency with a polar plate medium is low, side reactions are more, toxic and harmful gases are possibly generated, the purification and recovery of valuable metals are incomplete, and economic loss and environmental pollution are caused exist due to the fact that no drop exists between electrodeposition tanks.

In view of the above, the present inventors have specially designed a multi-stage series electrolyte purification device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the velocity of flow of electrolytic solution between the electrodeposition cell is slow, and electrolytic solution and medium reaction are slow, and the multistage series connection electrolyte purifier who provides for clear away the metallic impurity in the electrolyte and realize follow-up recovery to valuable metal, with the metallic impurity in the electrolytic solution thoroughly clear away as far as, make the electrolytic solution after purifying in addition reach national environmental protection emission standard.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multi-stage series electrolyte purification device comprises a rack, wherein the rack is in a step shape, a first electrodeposition tank, a second electrodeposition tank and a third electrodeposition tank are sequentially and fixedly arranged on the rack from high to low, the upper parts of the side walls of the first electrodeposition tank, the second electrodeposition tank and the third electrodeposition tank are respectively connected through overflow pipelines, conductive copper bars are respectively arranged on the first electrodeposition tank, the second electrodeposition tank and the third electrodeposition tank, and a plurality of polar plates are uniformly and fixedly arranged on the conductive copper bars;

still include the electrolyte hold up tank, the electrolyte hold up tank sets up in frame below one side, the electrolyte hold up tank passes through first connecting pipe and is connected with first electrodeposition tank, install the circulating pump on the first connecting pipe.

Further, a heating device is installed in the electrolyte storage tank.

Further, the device also comprises a flow meter, wherein the flow meter is arranged on a first connecting pipe which is connected with the first electrodeposition tank and used for metering the amount of the electrolyte flowing into the first electrodeposition tank.

Further, the device still includes the tail liquid groove, the tail liquid groove passes through the second connecting pipe and is connected with the lateral wall bottom of first electrodeposition cell, second electrodeposition cell and third electrodeposition cell respectively, just be provided with the control valve that is used for controlling electrolyte to get rid of on the second connecting pipe respectively.

Further, a purified liquid discharge pipe connected with the tail liquid tank is arranged above the side wall of the third electro-deposition tank.

Further, the circulating pump is a peristaltic pump or a magnetic pump.

Furthermore, a plurality of self-locking rollers are uniformly arranged at the bottom of the rack.

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

the utility model relates to a multistage series connection electrolyte purifier, it sets up a plurality of electrodeposition cells to establish ties in the frame of ladder, all be provided with anode plate and the negative plate of getting rid of metallic impurity in every electrodeposition cell, it takes off the copper through carrying out the electrodeposition under specific technological parameter, and then progressively the echelonment is appeared with the form of product with the valuable metal in the electrolyte, owing to adopt the design of height echelonment, the reaction efficiency of electrolyte and polar plate has been accelerated, the side reaction that probably produces poisonous and harmful gas takes place has been reduced, consequently, compare prior art, this device is rational in infrastructure, reaction efficiency is high, purifying effect is good, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the multi-stage series electrolyte purification device of the present invention;

figure 2 is the schematic plan view of the electrodeposition cell of the present invention.

Figure 3 is the elevation schematic view of the electrodeposition cell of the present invention.

Fig. 4 shows a plate structure used in the present invention.

Fig. 5 shows another plate structure used in the present invention.

In the figure: 1. a frame; 2. a first electrodeposition cell; 3. a second electrodeposition tank; 4. a third electrodeposition tank; 5. An overflow conduit; 6. a conductive copper bar; 7. a polar plate; 8. an electrolyte storage tank; 9. a first connecting pipe; 10. a circulation pump; 11. a flow meter; 12. a tail liquid tank; 13. a second connecting pipe; 14. a control valve; 15. and a purified liquid discharge pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It is to be understood that such description is merely illustrative and not restrictive of the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a multi-stage series electrolyte purification apparatus, including a frame 1, where the frame 1 is in a step shape, the frame 1 is sequentially and fixedly provided with a first electrodeposition tank 2, a second electrodeposition tank 3, and a third electrodeposition tank 4 from high to low, each electrodeposition tank is fixed on the step-shaped platform, a certain height difference is formed between the electrodeposition tanks, where the upper side of the side walls of the first electrodeposition tank 2, the second electrodeposition tank 3, and the third electrodeposition tank 4 are respectively connected through an overflow pipe 5, the first electrodeposition tank 2, the second electrodeposition tank 3, and the third electrodeposition tank 4 are respectively provided with a conductive copper bar 6, the conductive copper bar 6 is uniformly and fixedly provided with a plurality of polar plates 7, the polar plates can be selectively coated with active substances for chemical reaction according to a metal to be purified, and the type of the polar plates can be selected from the mode of fig. 4 or fig. 5, the polar plate and the conductive copper plate can be tightly connected through a corrosion-resistant bolt.

As shown in fig. 1, the electrolytic cell storage tank 8 is further included, the electrolytic cell storage tank 8 is arranged on one side below the rack 1, so that the electrolytic cell can be poured into the storage tank conveniently, the electrolytic cell storage tank 8 is connected with the first electrodeposition tank 2 through a first connecting pipe 9, a circulating pump 10 is installed on the first connecting pipe 9, and preferably, the circulating pump 10 is a corrosion-resistant peristaltic pump or a magnetic pump. Through the above setting, untreated electrolytic solution sends into first electrodeposition tank 2 through circulating pump 10 and carries out preliminary electrodeposition decoppering and handle the back, then top-down overflow respectively gets into second electrodeposition tank 3, carry out further processing behind the third electrodeposition tank 4, because each electrodeposition tank echelon is respectively, consequently the reaction efficiency of electrolytic solution with the polar plate is high with higher speed, the side reaction that probably produces poisonous and harmful gas takes place, adopt multistage electrodeposition tank to make valuable metal appear with the product form at the anterior segment in addition and be many, purify more thoroughly. After the experiment, the metal in the electrolytic solution can be basically and completely clarified through three stages of treatment.

Preferably, in order to further improve the reaction efficiency of the electrolytic solution and the electrode plate, a heating device is installed in the electrolyte storage tank 8, and after the electrolytic solution to be treated is heated to a specified temperature, the electrolytic solution is sent into the first electrodeposition tank 2 by using the circulation pump 10.

The device also comprises a flowmeter 11, wherein the flowmeter 11 is arranged on a first connecting pipe 9 which is connected with the first electrodeposition tank 2 and used for metering the amount of the electrolyte flowing into the first electrodeposition tank 2 so as to accurately control the whole electrolytic reaction.

The reaction principle of this device is conductive copper bar connection fairing, installs anode plate and negative plate respectively in the groove, carries out the electrodeposition under specific technological parameter and takes off copper (prior art, no longer gives unnecessary details), and this device improves reaction rate and purifying effect with multistage electrodeposition tank echelonment series design.

The utility model discloses the device still includes tail liquid groove 12, and the lateral wall top of third electro-deposition groove 4 is provided with the scavenging solution discharge pipe 15 that links to each other with tail liquid groove 12, because the density of metal is greater than water, consequently through the three-section purification back, upper solution purifies thoroughly basically, consequently accessible scavenging solution discharge pipe 15 discharges into in tail liquid groove 12. The tail liquid tank 12 is respectively connected with the bottoms of the side walls of the first electrodeposition tank 2, the second electrodeposition tank 3 and the third electrodeposition tank 4 through a second connecting pipe 13, and the second connecting pipe 13 is respectively provided with a control valve 14 for controlling the discharge of the electrolyte, so that after all reactions are finished, the control valve 14 is opened to completely discharge the residual solution in the three electrodeposition tanks.

Preferably, a plurality of self-locking rollers are uniformly arranged at the bottom of the frame 1, so that the whole device is convenient to move.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a multistage series connection electrolyte purifier which characterized in that: the device comprises a rack (1), wherein the rack (1) is in a step shape, the rack (1) is fixedly provided with a first electrodeposition tank (2), a second electrodeposition tank (3) and a third electrodeposition tank (4) from high to low in sequence, the upper parts of the side walls of the first electrodeposition tank (2), the second electrodeposition tank (3) and the third electrodeposition tank (4) are respectively connected through overflow pipelines (5), the first electrodeposition tank (2), the second electrodeposition tank (3) and the third electrodeposition tank (4) are respectively provided with a conductive copper bar (6), and the conductive copper bar (6) is uniformly and fixedly provided with a plurality of polar plates (7);

still include electrolyte hold up tank (8), electrolyte hold up tank (8) set up in frame (1) below one side, electrolyte hold up tank (8) are connected with first electrodeposition tank (2) through first connecting pipe (9), install circulating pump (10) on first connecting pipe (9).

2. The multi-stage series electrolyte purification apparatus of claim 1, wherein: and a heating device is arranged in the electrolyte storage tank (8).

3. A multi-stage series electrolyte purification apparatus as claimed in claim 1 or 2, wherein: the device further comprises a flow meter (11), wherein the flow meter (11) is arranged on a first connecting pipe (9) connected with the first electrodeposition tank (2) and used for metering the amount of the electrolyte flowing into the first electrodeposition tank (2).

4. A multi-stage in-line electrolyte purification apparatus as claimed in claim 3, wherein: the device also comprises a tail liquid tank (12), wherein the tail liquid tank (12) is respectively connected with the bottoms of the side walls of the first electrodeposition tank (2), the second electrodeposition tank (3) and the third electrodeposition tank (4) through a second connecting pipe (13), and the second connecting pipe (13) is respectively provided with a control valve (14) for controlling the removal of electrolyte.

5. The multi-stage series electrolyte purification apparatus of claim 4, wherein: and a purified liquid discharge pipe (15) connected with the tail liquid tank (12) is arranged above the side wall of the third electro-deposition tank (4).

6. The multi-stage series electrolyte purification apparatus of claim 1, wherein: the circulating pump (10) is a peristaltic pump or a magnetic pump.

7. The multi-stage series electrolyte purification apparatus of claim 1, wherein: the bottom of the frame (1) is uniformly provided with a plurality of self-locking rollers.