CN219886205U - Silver electrolytic tank with high current density - Google Patents

Abstract

The utility model provides a silver electrolytic cell with high current density, which includes a tank body. A plurality of cathode plates arranged parallel to each other are provided in the tank body along the length direction of the tank body. A gap is formed between the cathode plates. The gaps are There is an anode plate arranged parallel to the cathode plate. One side of the top of the tank body in the length direction of the tank body is provided with a cathode conductive copper bar, and the other side is provided with an anode conductive copper bar. The cathode conductor is provided with There are a plurality of conductive plates corresponding to the cathode plate, the conductive plates are in contact with the top of the cathode plate, and the anode conductive copper bar is in contact with the anode plate. This utility model sets a conductive plate on the cathode conductive copper bar of the tank body, and transmits the current to the cathode plate through the conductive plate. Since the contact area between the conductive plate and the cathode plate is large, the current that can be transmitted is large, effectively increasing the current in the electrolytic cell. density, effectively improving the electrolysis effect and electrolysis speed.

Description

A silver electrolytic cell with high current density

Technical field

The utility model belongs to the technical field of electrolysis equipment and relates to a silver electrolytic cell with high current density.

Background technique

Silver anode plate high current density electrolyzer and its supporting facilities have become key equipment in the silver electrolysis process. The size of the inlet and outlet flange of the electrolyzer, the size of the pipe, the material of the scraper and the size of the conductive copper bar will all affect the efficiency of electrolysis. In electrolysis The scraper moves back and forth to scrape off the silver powder on the cathode plate.

In order to achieve high current density electrolysis, the above facilities must be optimized. If there is a problem with the layout of the above components, it is easy to cause the cell voltage to rise sharply, eventually leading to cell burning. This will not be conducive to on-site safety management, and will also affect the timely production of silver products. cash, and will increase the labor intensity of employees in the position.

Utility model content

The purpose of this utility model is to provide a silver electrolytic cell with high current density in view of the problems existing in the prior art.

To this end, the utility model adopts the following technical solutions:

A silver electrolytic cell with high current density includes a cell body. The cell body is provided with a plurality of cathode plates arranged parallel to each other along the length direction of the cell body. The cathode plates are provided along the width direction of the cell body. Between the cathode plates A gap is formed, and an anode plate arranged parallel to the cathode plate is provided in the gap. One side of the top of the tank body in the length direction is provided with a cathode conductive copper bar, and the other side is provided with an anode conductive copper bar. The cathode conductive copper bar and the anode conductive copper bar are arranged along the length direction of the tank. The cathode conductive copper bar is provided with a plurality of conductive plates corresponding to the cathode plates. The cross-section of the conductive plates has an L-shaped structure and is conductive. The plate is in contact with the top of the cathode plate, and the anode conductive copper bar is in contact with the anode plate.

Furthermore, both ends of the cathode plate in the length direction are each formed with a first clamping end, and both sides of the tank body in the length direction are provided with cathode plate clamping slots opposite to the first clamping ends. The fixed end is located in the cathode plate clamping slot, and the two ends of the anode plate in the length direction each form a second clamping end. The two sides of the tank body in the length direction are provided with anode plate clamping slots opposite to the second clamping ends. , the second clamping end is located in the anode plate slot.

Further, a side wall at one end of the tank body in the length direction is connected with a liquid inlet pipe, an overflow box is fixed on the outer wall of the tank body, the overflow box is located at the top of the tank body, and the side wall of the tank body is provided with multiple An overflow hole leads into the overflow box, and one end of the overflow box is connected with a liquid outlet pipe.

Furthermore, the overflow box has an inclined structure with one end close to the liquid outlet pipe being low and one end far away from the liquid outlet pipe being high.

Further, the lower part of the tank body has a tapered structure with a larger upper part and a smaller lower part.

Further, a discharge pipe is connected to the bottom end of the tank body, and a discharge valve is provided on the discharge pipe.

Furthermore, a moving frame is provided on the top of the tank body. The moving frame can move back and forth along the length direction of the cathode plate. A scraper corresponding to the cathode plate is provided on the moving frame. The scraper has an inverted chevron-shaped structure.

Further, the top of the tank body is provided with a track along the width direction of the tank body, the bottom of the mobile frame is provided with running wheels, the running wheels are located on the rails, and one side of the mobile frame is provided with an electric telescopic rod. The electric telescopic rod is installed on one side of the tank body.

Furthermore, the outer wall of the tank body is covered with a clamping ring, and the cross section of the clamping ring is U-shaped.

The beneficial effects of the utility model are: a conductive plate is arranged on the cathode conductive copper bar of the tank, and the current is transmitted to the cathode plate through the conductive plate. Since the contact area between the conductive plate and the cathode plate is large, the current that can be transmitted is large, and the current can be effectively increased. The current density in the electrolytic cell effectively improves the electrolysis effect and electrolysis speed; the electrolyte is circulated in a bottom-in-top-out manner, which effectively reduces the concentration difference between the electrolytic silver anode plates and further improves the electrolysis effect.

Description of the drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a structural side view of the utility model;

Figure 3 is a schematic three-dimensional structural diagram of the utility model from another perspective;

Figure 4 is a partial enlarged view of part A in Figure 3;

In the picture, 1-tank body, 2-cathode plate, 3-gap, 4-anode plate, 5-first clamping end, 6-cathode plate slot, 7-second clamping end, 8-anode plate clamp Tank, 9-cathode conductive copper bar, 10-anode conductive copper bar, 11-conductive plate, 12-liquid inlet pipe, 13-overflow box, 14-overflow hole, 15-liquid outlet pipe, 16-discharge pipe , 17-discharge valve, 18-moving frame, 19-scraper, 20-track, 21-running wheel, 22-electric telescopic, 23-fastening ring.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings:

As shown in Figure 1-4, a silver electrolytic tank with high current density includes a tank body 1 with a rectangular structure. The tank body 1 is made of high temperature resistant and corrosion resistant materials such as PP or PPH. The inner edge of the tank body 1 A plurality of cathode plates 2 arranged parallel to each other are provided in the length direction of the tank body 1. The cathode plates 2 are arranged along the width direction of the tank body 1. A gap 3 is formed between the cathode plates 2. There are cathode plates 2 arranged parallel to each other in the gap 3. The anode plate 4 is provided. Specifically, a first clamping end 5 is formed at both ends of the length direction of the cathode plate 1. The first clamping end 5 is located at the upper part of the cathode plate 2. There are two sides on both sides of the tank body 1 in the length direction. The first clamping end 5 corresponds to the cathode plate clamping slot 6. The first clamping end 5 is located in the cathode plate clamping slot 6. A second clamping end 7 is formed at both ends of the length direction of the anode plate 4. The length of the tank body 1 There are anode plate clamping slots 8 corresponding to the second clamping end 7 on both sides of the direction. The second clamping end 7 is located in the anode plate clamping slot 8. The cathode plate 2 is connected through the cathode plate clamping slot 6 and the anode plate clamping slot 8. The anode plate 4 and the anode plate 4 are installed at corresponding positions in the tank body 1. One side of the top of the tank body 1 in the length direction is provided with a cathode conductive copper bar 9, the other side is provided with an anode conductive copper bar 10, and a cathode conductive copper bar 9 is provided. The conductive copper bar 10 and the anode conductive copper bar 10 are arranged along the length direction of the tank body 1. The conductive copper bar 9 of the cathode is provided with a plurality of conductive plates 11 corresponding to the cathode plate 2. The cross section of the conductive plate 11 is an L-shaped structure. It is in contact with the top of the cathode plate 2. When the electricity is energized, the current on the cathode conductive copper bar 9 is conducted to the cathode plate 2 through the conductive plate 11. Since the contact area between the conductive plate 11 and the cathode plate 2 is large, there can be a larger flow when the electricity is energized. The current is increased, and the current density is increased. The anode conductive copper bar 10 is in contact with the anode plate 4, and the anode conductive copper bar 10 can be transmitted to the anode plate.

A liquid inlet pipe 12 is connected to the side wall of one end of the length direction of the tank body 1. The electrolyte enters the tank body 1 through the liquid inlet pipe 12. An overflow box 13 is fixed on the outer wall of the tank body 1. The overflow box 13 is located at the end of the tank body 1. At the top, the side wall of the tank 1 is provided with a plurality of overflow holes 14 leading into the overflow box. One end of the overflow box 13 is connected to a liquid outlet pipe 15. In order to increase the flow speed in the overflow box 14, the overflow box 13 has an inclined structure with one end close to the liquid outlet pipe 15 being low and one end far away from the liquid outlet pipe 15 being high.

In order to facilitate the discharge of silver powder, the lower part of the tank 1 has a tapered structure with a larger upper part and a smaller lower part. The bottom end of the tank 1 is connected to a discharge pipe 16. The discharge pipe 16 is provided with a discharge valve 17. Inside the tank 1 The silver powder obtained by electrolysis can be discharged through the discharge pipe 16.

The top of the tank 1 is provided with a movable frame 18. The movable frame 18 can move back and forth along the length direction of the cathode plate 2. The movable frame 18 is provided with a scraper 19 corresponding to the cathode plate 2. The scraper 19 is in the shape of an inverted chevron. Structure, the material of the scraper 19 is high temperature resistant and not easily damaged. The scraper 19 contacts the cathode plate 2 and can scrape the silver powder produced by electrolysis on the cathode plate 2 to the bottom of the tank 1. Specifically, the top of the tank 1 is along the width direction of the tank. A track 20 is provided, and a running wheel 21 is provided at the bottom of the mobile frame 18. The running wheel 21 is located on the track 20. An electric telescopic rod 22 is provided on one side of the mobile frame 18. The electric telescopic rod 22 is arranged along the width direction of the tank 1 and is electric telescopic. The rod 22 is installed on one side of the tank body 1. The electric telescopic rod 22 telescopically drives the moving frame 18 and the scraper 19 to move back and forth to scrape off the silver powder on the cathode plate 2.

Since the temperature inside the tank 1 is high in an environment with high current density, in order to prevent the tank 1 from being deformed by heat and increase the strength of the tank 1, a clamping ring 23 is set on the outer wall of the tank 1. The clamping ring 23 is The cross section is U-shaped.

The usage of this utility model is as follows:

Install the cathode plate 2 and the anode plate 4 at the corresponding positions in the tank body 1, and then input the electrolyte into the tank body 1 from the liquid inlet pipe 12. When the electrolyte liquid level in the tank body 1 reaches the overflow hole 14 , the electrolyte flows from the overflow hole 14 into the overflow box 13 and then flows out from the liquid outlet pipe 15 for circulation. The electrolyte flows in from the bottom up and out, so that the flow direction of the electrolyte in the tank body 1 is consistent with the cathode plate 2 and the cathode plate 2 The anode plates 4 are parallel, effectively reducing the concentration difference between the cathode plate 2 and the anode plate 4. At the same time, electricity can be supplied for electrolysis operation. The current is transmitted from the cathode conductive copper bar 9 to the cathode plate 2 through the conductive plate 11. Due to the conductive The contact area between the plate 11 and the cathode plate 2 is large, so a larger current can be transferred to the cathode plate 2 for electrolysis, so that there is a larger current density in the tank 1, the electrolysis effect is good and the speed is fast. During electrolysis, The reciprocating expansion and contraction of the electric telescopic rod 22 drives the moving frame 18 and the scraper 19 to move. The scraper 19 scrapes off the silver powder on the cathode plate 2, and the scraped silver powder gathers at the bottom of the tank 1 for easy collection.

Claims (9)

1. A silver electrolytic cell with high current density, characterized by comprising a tank body (1) in which a plurality of cathode plates arranged parallel to each other are provided along the length direction of the tank body (1). (2), the cathode plates (2) are arranged along the width direction of the tank body (1), and a gap (3) is formed between the cathode plates (2). Anode plates (4) are arranged parallel to each other. One side of the top of the tank (1) in the length direction is provided with a cathode conductive copper bar (9), and the other side is provided with an anode conductive copper bar (10). , the cathode conductive copper bar (9) and the anode conductive copper bar (10) are arranged along the length direction of the tank (1), and the cathode conductive copper bar (9) is provided with a plurality of cathode plates (2) corresponding to The conductive plate (11) has an L-shaped cross-section. The conductive plate (11) is in contact with the top of the cathode plate (2). The anode conductive copper bar (10) is in contact with the anode plate. (4) Contact. 2. A silver electrolytic cell with high current density according to claim 1, characterized in that each of the two ends in the length direction of the cathode plate (2) forms a first clamping end (5), and the groove Both sides of the body (1) in the length direction are provided with cathode plate clamping slots (6) corresponding to the first clamping end (5), and the first clamping end (5) is located in the cathode plate clamping slot (6). The two ends of the anode plate (4) in the length direction each form a second clamping end (7), and the two sides of the tank (1) in the length direction are provided with anodes opposite to the second clamping ends (7). The second clamping end (7) is located in the anode plate slot (8). 3. A silver electrolytic cell with high current density according to claim 1, characterized in that a liquid inlet pipe (12) is connected to the side wall of one end of the tank body (1) in the length direction, and the tank body (1) An overflow box (13) is fixed on the outer wall of the tank. The overflow box (13) is located at the top of the tank (1). The side wall of the tank (1) is provided with multiple inlet overflow boxes (13). An overflow hole (14) is provided, and one end of the overflow box (13) is connected to a liquid outlet pipe (15). 4. A silver electrolytic cell with high current density according to claim 3, characterized in that the overflow box (13) has a low end close to the liquid outlet pipe (15) and an end far away from the liquid outlet pipe (15). High sloping structure. 5. A silver electrolytic cell with high current density according to claim 1, characterized in that the lower part of the tank body (1) has a tapered structure with a larger upper part and a smaller lower part. 6. A silver electrolytic cell with high current density according to claim 5, characterized in that a discharge pipe (16) is connected to the bottom end of the tank body (1), and the discharge pipe (16) There is a discharge valve (17) on it. 7. A silver electrolytic cell with high current density according to claim 1, characterized in that a mobile frame (18) is provided on the top of the tank body (1), and the mobile frame (18) can move along the cathode The plate (2) moves back and forth in the length direction, and the moving frame (18) is provided with a scraper (19) corresponding to the cathode plate (2). The scraper (19) has an inverted chevron-shaped plate structure. 8. A silver electrolytic cell with high current density according to claim 7, characterized in that a track (20) is provided on the top of the tank body (1) along the width direction of the tank body (1), and the mobile frame (18) There is a running wheel (21) at the bottom. The running wheel (21) is located on the track (20). An electric telescopic rod (22) is installed on one side of the mobile frame (18). The electric telescopic rod (22) is installed on one side of the tank body (1). 9. A silver electrolytic cell with high current density according to claim 1, characterized in that a clamping ring (23) is set on the outer wall of the tank body (1), and the clamping ring (23) The cross section has a U-shaped structure.