CN-224227241-U - Superfine silver powder production equipment for silver electrorefining

Abstract

The utility model relates to superfine silver powder production equipment for silver electrolytic refining, which comprises a refining box, a vibrating device and a fixing frame, wherein the fixing frame is arranged in the refining box, two sides of the fixing frame are arranged on two side walls of the refining box through buffer devices, a supporting frame is arranged on the fixing frame, a plurality of cathode plates and a plurality of anode plates are arranged at the lower end of the supporting frame, anode bags are sleeved on the outer sides of the anode plates, the vibrating device comprises a transmission box, a driving motor, a transmission rod, a transmission assembly and a connecting rod assembly, the transmission box is arranged at two ends of the refining box, the transmission box is provided with rotatable transmission rods, one transmission rod is provided with the driving motor, the two transmission boxes are connected through a transmission belt, the lower end of each transmission rod is connected with the transmission assembly, the transmission assembly is connected with the connecting rod assembly, and the connecting rod assembly is connected with the fixing frame. Through the vibration of negative plate for the silver powder on negative plate surface can in time shake down, prevents that the granule silver powder from taking place to agglomerate, avoids scraping the process of powder, save time and manpower.

Inventors

• FENG GUIKUN
• YANG DONGCHENG
• LI WEIBO
• SONG XUE

Assignees

• 山东招金贵金属科技有限公司

Dates

Publication Date

20260512

Application Date

20250526

Claims (9)

1. 1. A superfine silver powder production facility for silver electrorefining, its characterized in that includes refining case (1), vibrating device, buffer and mount (17), mount (17) set up in refining case (1), the both sides of mount (17) are passed through buffer installs on the both sides wall of refining case (1), install support frame (18) on mount (17), a plurality of negative plates (20) and a plurality of anode plates (27) are installed to the lower extreme of support frame (18), the outside cover of anode plate (27) is equipped with positive pole bag (28), vibrating device includes transmission case (3), driving motor (4), transfer line (5), drive assembly and link assembly, install transmission case (3) the both ends of refining case (1), install rotatable transfer line (5) on transmission line (5), two on transmission case (3) are connected through the conveyer belt, every lower extreme of transfer line (5) with link assembly, link assembly is connected with link assembly (17).
2. 2. The ultra-fine silver powder production apparatus for silver electrorefining according to claim 1, wherein the transmission assembly comprises a bevel gear one (8), a bevel gear two (9), a penetrating rod (10), a driving gear (11), a driven gear (12) and a fixed shaft (13), the bevel gear one (8) is mounted on the transmission rod (5), the bevel gear one (8) is meshed with the bevel gear two (9), the bevel gear two (9) and the driving gear (11) are mounted on the penetrating rod (10), the penetrating rod (10) is rotatably mounted on the refining box (1), the driving gear (11) is meshed with the driven gear (12), the driven gear (12) is mounted on the fixed shaft (13), the fixed shaft (13) is rotatably mounted on the refining box (1), and the fixed shaft (13) is connected with the connecting rod assembly.
3. 3. The ultrafine silver powder production equipment for silver electrorefining according to claim 2, wherein the connecting rod assembly comprises a rotating rod (14), a transmission arm (15) and a supporting rod (16), one end of the rotating rod (14) is fixedly connected with the fixed shaft (13), the other end of the rotating rod (14) is hinged with the transmission arm (15), the other end of the transmission arm (15) is hinged with the supporting rod (16), and the supporting rod (16) is connected with the fixed frame (17).
4. 4. The superfine silver powder production equipment for silver electrorefining according to claim 1, 2 or 3, wherein the buffer device comprises a first connecting frame (23), a spring buffer frame (24) and a second connecting frame (30), one end of the first connecting frame (23) is connected with the fixed frame (17), the other end of the first connecting frame is connected with the spring buffer frame (24), the spring buffer frame (24) is positioned between the first connecting frame (23) and the second connecting frame (30), one end of the second connecting frame (30) is connected with the spring buffer frame (24), and the other end of the second connecting frame is mounted on the side wall of the refining box (1).
5. 5. The ultra-fine silver powder production apparatus for silver electrorefining according to claim 1, characterized in that a plurality of said cathode plates (20) and a plurality of said anode plates (27) are staggered.
6. 6. The superfine silver powder production device for silver electrorefining according to claim 1, wherein a collecting tank (21) is arranged in the refining box (1), the collecting tank (21) is positioned below a plurality of cathode plates (20), and a silver powder filter screen (22) is arranged in the collecting tank (21).
7. 7. The ultrafine silver powder production apparatus for silver electrorefining of claim 6, wherein the silver powder filter screen (22) is a nylon filter screen.
8. 8. The ultra-fine silver powder production apparatus for silver electrorefining according to claim 1, characterized in that two support frames (18) are provided, each support frame (18) is connected with a controller (25) through a transmission terminal (26), and the controller (25) is mounted on the outer wall of the refining box (1).
9. 9. The ultrafine silver powder production equipment for silver electrorefining according to claim 8, wherein a sliding sleeve (19) is mounted on the support frame (18), the sliding sleeve (19) is slidably mounted on a support plate (6), and the support plate (6) is covered on the conveyor belt.

Description

Superfine silver powder production equipment for silver electrorefining Technical Field The utility model relates to the technical field of silver electrorefining, in particular to superfine silver powder production equipment for silver electrorefining. Background Silver electrorefining is a method of purifying crude silver by electrochemical principles. And placing the silver anode plate containing impurities in an electrolytic tank, oxidizing and dissolving silver of the anode into solution under the action of direct current, and preferentially reducing and separating silver ions in the solution at a cathode, wherein impurity elements enter anode mud because of insolubility, so that the separation of silver and impurities is realized, and the silver powder with high purity is obtained. In the process of preparing superfine silver powder by electrolytic refining of silver, most of the existing production equipment has a plurality of problems. On one hand, silver powder deposited on a cathode is usually required to be collected through a powder scraping operation, and small-particle silver particles are easy to agglomerate into larger-particle silver powder on the surface of the cathode before powder scraping, so that the requirements of high-end application on superfine silver powder cannot be met. And silver powder is often attached to the surface of the cathode plate and needs to be scraped for multiple times, so that the practical operation complexity is high. On the other hand, the electrolyte is easy to flow and generate concentration gradient in the electrolytic process, which is very unfavorable for the morphology and particle size distribution of silver powder. Disclosure of utility model Aiming at the prior art, the utility model provides superfine silver powder production equipment for silver electrorefining. The technical scheme includes that the superfine silver powder production equipment for silver electrorefining comprises a refining box, a vibrating device, a buffer device and a fixing frame, wherein the fixing frame is arranged in the refining box, two sides of the fixing frame are arranged on two side walls of the refining box through the buffer device, a support frame is arranged on the fixing frame, a plurality of cathode plates and a plurality of anode plates are arranged at the lower end of the support frame, an anode bag is sleeved on the outer side of the anode plate, the vibrating device comprises a transmission box, a driving motor, a transmission rod, a transmission assembly and a connecting rod assembly, the transmission box is arranged at two ends of the refining box, a rotatable transmission rod is arranged on the transmission box, one transmission rod is provided with the driving motor, the two transmission boxes are connected through a transmission belt, the lower end of each transmission rod is connected with the transmission assembly, the transmission assembly is connected with the connecting rod assembly, and the connecting rod assembly is connected with the fixing frame. Based on the technical scheme, the utility model can also be improved as follows: Preferably, the transmission assembly comprises a first bevel gear, a second bevel gear, a penetrating rod, a driving gear, a driven gear and a fixed shaft, wherein the first bevel gear is installed on the transmission rod, the first bevel gear is meshed with the second bevel gear, the second bevel gear and the driving gear are installed on the penetrating rod, the penetrating rod is rotatably installed on the refining box, the driving gear is meshed with the driven gear, the driven gear is installed on the fixed shaft, the fixed shaft is rotatably installed on the refining box, and the fixed shaft is connected with the connecting rod assembly. Preferably, the connecting rod assembly comprises a rotating rod, a transmission arm and a supporting rod, one end of the rotating rod is fixedly connected with the fixed shaft, the other end of the rotating rod is hinged to the transmission arm, the other end of the transmission arm is hinged to the supporting rod, and the supporting rod is connected with the fixed frame. Preferably, the buffer device comprises a first connecting frame, a spring buffer frame and a second connecting frame, one end of the first connecting frame is connected with the fixing frame, the other end of the first connecting frame is connected with the spring buffer frame, the spring buffer frame is located between the first connecting frame and the second connecting frame, one end of the second connecting frame is connected with the spring buffer frame, and the other end of the second connecting frame is installed on the side wall of the refining box. Preferably, a plurality of the cathode plates and a plurality of the anode plates are staggered. Preferably, a collecting tank is arranged in the refining box, the collecting tank is positioned below the cathode plates, and a silver powder filter screen is arra