Solid-liquid separator for producing high-purity silver powder

Abstract

The utility model discloses a solid-liquid separator for producing high-purity silver powder, relates to the technical field of silver powder, and aims to solve the problems that a ball-milling medium, the silver powder and the like cannot be separately discharged in real time, the ball-milling medium is easy to block an electromagnetic valve and the practicability is low in the background technology. The cleaning mechanism comprises a cleaning cylinder, a cylinder cover connected to the outer wall of the top of the cleaning cylinder through a bolt, a rotating pipe penetrating through and connected to the outer wall of the bottom of the cylinder cover through a bearing and a driven gear fixedly arranged on the outer wall of the upper portion of the rotating pipe, and a stirring assembly is arranged in the cleaning cylinder; the stirring assembly comprises a lifting air cylinder, a limiting frame connected to the outer wall of the bottom end of a piston rod of the lifting air cylinder through a bolt, a limiting block rotationally installed in the limiting frame and a lifting rod. According to the utility model, the ball-milling medium, the silver powder and the solvent can be separately discharged in real time while the ball-milling medium is stirred, the pipeline is prevented from being blocked by the ball-milling medium, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silver powder, in particular to a solid-liquid separator for the production of high-purity silver powder. Background Technique

[0002] In the process of silver powder production, a ball mill is usually used to perform nodularization treatment on silver powder raw materials, so that the silver powder raw materials are broken and present relatively uniform granular silver powder. When the ball mill performs nodularization treatment on the silver powder raw materials, part of the silver powder will adhere to the surface of the ball milling medium.

[0003] After retrieval, the Chinese patent (application number "202121987330.6") discloses "an efficient solid-liquid separation device for industrial flaky silver powder". The above device includes a slurry tank body and a solid-liquid separation tank body. A stirring system composed of a stirring shaft and stirring blades is arranged in the slurry tank body. The bottom end surface of the slurry tank body is inclined. The bottom discharge port of the slurry tank body is connected to a first pneumatic diaphragm pump through a solid-liquid mixture outlet solenoid valve. A filter screen and a discharge port located below the filter screen are sequentially arranged in the solid-liquid separation tank body. The bottom end surface of the filter screen is inclined. A filter screen pressing cover is arranged at the top opening of the solid-liquid separation tank body. A solid-liquid mixture inlet solenoid valve and a 30-mesh stainless steel filter screen are arranged on the filter screen pressing cover. The solid-liquid mixture inlet solenoid valve is connected to the first pneumatic diaphragm pump. The waste liquid port at the bottom of the solid-liquid separation tank body is connected to a second pneumatic diaphragm pump through a second waste liquid solenoid valve. The second pneumatic diaphragm pump is connected to the feed port of the slurry tank body. However, during the use of the above device, the ball milling medium and silver powder cannot be discharged separately in real time, which is likely to cause the ball milling medium to block the solenoid valve and has low practicability. Summary of the Utility Model

[0004] The utility model provides a solid-liquid separator for the production of high-purity silver powder, which solves the problems that the comparative document cannot discharge the ball milling medium and silver powder separately in real time, is likely to cause the ball milling medium to block the solenoid valve, and has low practicability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A solid-liquid separator for the production of high-purity silver powder, including a cleaning mechanism. The cleaning mechanism includes a cleaning cylinder, a cylinder cover bolted to the outer wall of the top of the cleaning cylinder, a rotating tube passing through and connected to the outer wall of the bottom of the cylinder cover through a bearing, and a driven gear fixed on the outer wall of the upper part of the rotating tube. A stirring assembly is arranged in the cleaning cylinder. The stirring assembly includes a lifting cylinder, a limiting frame bolted to the outer wall of the bottom end of the piston rod of the lifting cylinder, a limiting block rotatably installed in the limiting frame, a lifting rod fixed on the outer wall of the bottom end of the limiting block, a plurality of stirring blades respectively fixed on the outer wall of the lower part of the lifting rod, and a sealing block passing through and slidably sleeved on the inner wall of the bottom of the cleaning cylinder. A transmission assembly is arranged on the top of the cylinder cover. The transmission assembly includes a transmission motor, a rotating shaft connected to the outer wall of the bottom end of the output shaft of the transmission motor through a coupling, and a driving gear fixed on the outer wall of the lower part of the rotating shaft. A first discharging mechanism is arranged below the cleaning cylinder. The first discharging mechanism includes a discharging cylinder, a first discharging motor bolted to the outer wall of one end of the discharging cylinder, and a first auger connected to the outer wall of one end of the output shaft of the first discharging motor through a coupling. The bottom of the discharging cylinder is provided with a separation box, and the top of the separation box abuts against the outer wall of the bottom of the discharging cylinder. A second discharging mechanism is arranged in the separation box. The second discharging mechanism includes an arc-shaped filter block, a conveying pipe passing through and fixed on the inner wall of one side of the separation box, a second discharging motor bolted to the outer wall of one side of the separation box, and a second auger connected to the outer wall of one end of the output shaft of the second discharging motor through a coupling.

[0007] Preferably, a feed hopper penetrates and is fixed on the outer wall of one side of the bottom of the cylinder cover, and a connecting pipe is fixed on the outer wall of the bottom of the cleaning cylinder.

[0008] Preferably, a mounting frame is fixed on the outer wall of the center of the top of the cylinder cover, and the lifting cylinder is bolted to the outer wall of the top of the mounting frame. The upper part of the lifting rod is slidably sleeved in the rotating tube, and a clamping groove is formed on the outer wall of the lower part of the lifting rod. The upper part of the sealing block is rotatably installed on the outer wall of the lower part of the lifting rod, and through holes are formed on the outer wall of the lower part of the sealing block at equal intervals. A limiting ring is fixed on the inner wall of the upper part of the sealing block, and the limiting ring is rotatably installed in the clamping groove.

[0009] Preferably, a mounting frame is fixed on the outer wall of the top of the cylinder cover, and the transmission motor is bolted to the outer wall of the top of the mounting frame. The bottom end of the rotating shaft is connected to the outer wall of the top of the cylinder cover through a bearing, and the driving gear and the driven gear are meshed with each other to form a transmission fit.

[0010] Through the above solution, the output shaft of the drive motor drives the driving gear to rotate, the driving gear drives the driven gear and the rotating tube to rotate, the rotating tube drives the lifting rod and multiple stirring blades to rotate, thereby stirring the ball milling medium and water in the cleaning cylinder, so that the silver powder attached to the ball milling medium is evenly dispersed in the solvent in the cleaning cylinder. Subsequently, the piston rod of the lifting cylinder drives the lifting rod to rise along the rotating tube, so that the through hole under the sealing block discharges the solvent and silver powder. After the solvent and silver powder are completely discharged, the piston rod of the lifting cylinder continues to rise, so that the sealing block disengages from the inner wall of the bottom of the cleaning cylinder and discharges the ball milling medium.

[0011] Preferably, the discharge cylinder is fixedly arranged on the outer wall of the lower part of the connecting pipe. A first fixing block is fixedly arranged on the inner wall of one end of the discharge cylinder, and one end of the first auger penetrates through and is connected to the outer wall of one side of the first fixing block through a bearing.

[0012] Preferably, one side of the filter block is fixedly arranged on the inner wall of one side of the separation box, and the conveying pipe is fixedly arranged on the outer wall of one side of the filter block. A second fixing block is fixedly arranged on the inner wall of one end of the conveying pipe, and one end of the second auger penetrates through and is connected to the outer wall of one side of the second fixing block through a bearing.

[0013] Preferably, a submersible pump is arranged on the inner wall of the bottom of the separation box, and a reflux pipe is fixedly arranged on the outer wall of the water outlet end of the submersible pump. The top end of the reflux pipe penetrates through and is fixedly arranged on the inner wall of the upper part of one side of the cleaning cylinder.

[0014] Through the above solution, the filter block separates and discharges the solvent and silver powder. The output shaft of the second discharge motor drives the second auger to rotate, and the second auger conveys the silver powder on the filter block to one end of the conveying pipe. When the solvent and silver powder are completely discharged from the cleaning cylinder, the output shaft of the first discharge motor rotates to drive the first auger to rotate, and the first auger conveys the ball milling medium in the discharge cylinder.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The output shaft of the drive motor drives the driving gear to rotate, the driving gear drives the driven gear and the rotating tube to rotate, the rotating tube drives the lifting rod and multiple stirring blades to rotate, thereby stirring the ball milling medium and water in the cleaning cylinder, so that the silver powder attached to the ball milling medium is evenly dispersed in the solvent in the cleaning cylinder. Subsequently, the piston rod of the lifting cylinder drives the lifting rod to rise along the rotating tube, so that the through hole under the sealing block discharges the solvent and silver powder. After the solvent and silver powder are completely discharged, the piston rod of the lifting cylinder continues to rise, so that the sealing block disengages from the inner wall of the bottom of the cleaning cylinder and discharges the ball milling medium. It can stir the ball milling medium while separating and discharging the ball milling medium, silver powder and solvent in real time, and prevent the ball milling medium from blocking the pipeline, improving the practicability. Description of the Drawings

[0017] Figure 1Schematic diagram of the overall front view structure of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0018] Figure 2 Schematic diagram of the sectional structure of the cleaning mechanism of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0019] Figure 3 Schematic diagram of the front view structure of the stirring assembly of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0020] Figure 4 Schematic diagram of the sectional structure of the stirring assembly of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0021] Figure 5 Schematic diagram of the sectional structure of the sealing block of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0022] Figure 6 Schematic diagram of the bottom view structure of the transmission assembly of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0023] Figure 7 Schematic diagram of the sectional structure of the first discharging assembly of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0024] Figure 8 Schematic diagram of the sectional structure of the second discharging assembly of a solid-liquid separator for the production of high-purity silver powder proposed by the present utility model.

[0025] In the figure: 1. Cleaning mechanism; 101. Cleaning cylinder; 102. Cylinder cover; 103. Rotating pipe; 104. Driven gear; 105. Connecting pipe; 2. Stirring assembly; 201. Mounting frame; 202. Lifting cylinder; 203. Limiting frame; 204. Limiting block; 205. Lifting rod; 206. Stirring blade; 207. Sealing block; 208. Limiting ring; 3. Transmission assembly; 301. Mounting frame; 302. Transmission motor; 303. Rotating shaft; 304. Driving gear; 4. First discharging mechanism; 401. Discharging cylinder; 402. First discharging motor; 403. First auger; 404. First fixing block; 5. Separation tank; 6. Second discharging mechanism; 601. Filter block; 602. Delivery pipe; 603. Second discharging motor; 604. Second auger; 605. Second fixing block; 7. Return pipe. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] Example 1, refer to Figures 1-6 , a solid-liquid separator for the production of high-purity silver powder, comprising a cleaning mechanism 1. The cleaning mechanism 1 includes a cleaning cylinder 101 arranged on the ground through a fixing frame (not shown in the figure), a cylinder cover 102 bolted to the outer wall of the top of the cleaning cylinder 101, a rotating tube 103 passing through and connected to the outer wall of the bottom of the cylinder cover 102 through a bearing, and a driven gear 104 fixedly arranged on the outer wall of the upper part of the rotating tube 103. A feed hopper is fixedly arranged through and on one side outer wall of the bottom of the cylinder cover 102. A connecting pipe 105 is fixedly arranged on the outer wall of the bottom of the cleaning cylinder 101. A stirring assembly 2 is arranged in the cleaning cylinder 101. The stirring assembly 2 includes a lifting cylinder 202, a limit frame 203 bolted to the outer wall of the bottom end of the piston rod of the lifting cylinder 202, a limit block 204 rotatably installed in the limit frame 203, a lifting rod 205 fixedly arranged on the outer wall of the bottom end of the limit block 204, a plurality of stirring blades 206 respectively fixedly arranged on the outer wall of the lower part of the lifting rod 205, and a sealing block 207 passing through and slidably sleeved on the inner wall of the bottom of the cleaning cylinder 101. An installation frame 201 is fixedly arranged on the outer wall of the center of the top of the cylinder cover 102. The lifting cylinder 202 is bolted to the outer wall of the top of the installation frame 201. The upper part of the lifting rod 205 has a regular hexagon structure and the lower part has a cylindrical shape. The upper part of the lifting rod 205 is slidably sleeved in the rotating tube 103. A card slot is formed on the outer wall of the lower part of the lifting rod 205. The upper part of the sealing block 207 is rotatably installed on the outer wall of the lower part of the lifting rod 205. Through holes are formed at equal intervals on the outer wall of the lower part of the sealing block 207 for discharging the solvent and silver powder in the cleaning cylinder 101. A limit ring 208 is fixedly arranged on the inner wall of the upper part of the sealing block 207. The limit ring 208 is rotatably installed in the card slot. A transmission assembly 3 is arranged on the top of the cylinder cover 102. The transmission assembly 3 includes a transmission motor 302, a rotating shaft 303 connected to the outer wall of the bottom end of the output shaft of the transmission motor 302 through a coupling, and a driving gear 304 fixedly arranged on the outer wall of the lower part of the rotating shaft 303. An installation frame 301 is fixedly arranged on the outer wall of the top of the cylinder cover 102. The transmission motor 302 is bolted to the outer wall of the top of the installation frame 301. The bottom end of the rotating shaft 303 is connected to the outer wall of the top of the cylinder cover 102 through a bearing. The driving gear 304 and the driven gear 104 are meshed with each other to form a transmission cooperation.

[0028] Example 2, refer to Figures 7-8, a solid-liquid separator for the production of high-purity silver powder, further includes a first discharging mechanism 4. The first discharging mechanism 4 includes a discharging cylinder 401, a first discharging motor 402 bolted to the outer wall of one end of the discharging cylinder 401, and a first auger 403 connected to the outer wall of one end of the output shaft of the first discharging motor 402 through a coupling. The discharging cylinder 401 is fixedly arranged on the outer wall of the lower part of the connecting pipe 105. A first fixing block 404 is fixedly arranged on the inner wall of one end of the discharging cylinder 401. One end of the first auger 403 penetrates and is connected to the outer wall of one side of the first fixing block 404 through a bearing. A separation box 5 is arranged at the bottom of the discharging cylinder 401. The top of the separation box 5 abuts against the outer wall of the bottom of the discharging cylinder 401. Separation holes are formed on the outer wall of the discharging cylinder 401 located inside the separation box 5. The separation holes are used to block the ball milling medium. A second discharging mechanism 6 is arranged inside the separation box 5. The second discharging mechanism 6 includes a filter block 601 with an arc-shaped structure, a conveying pipe 602 penetrating and fixedly arranged on the inner wall of one side of the separation box 5, a second discharging motor 603 bolted to the outer wall of one side of the separation box 5, and a second auger 604 connected to the outer wall of one end of the output shaft of the second discharging motor 603 through a coupling. One side of the filter block 601 is fixedly arranged on the inner wall of one side of the separation box 5. The filter block 601 is used to separate silver powder and solvent. The conveying pipe 602 is fixedly arranged on the outer wall of one side of the filter block 601. A second fixing block 605 is fixedly arranged on the inner wall of one end of the conveying pipe 602. One end of the second auger 604 penetrates and is connected to the outer wall of one side of the second fixing block 605 through a bearing. A submersible pump is arranged on the inner wall of the bottom of the separation box 5. A return pipe 7 is fixedly arranged on the outer wall of the water outlet end of the submersible pump. The top of the return pipe 7 penetrates and is fixedly arranged on the inner wall of the upper part of one side of the cleaning cylinder 101.

[0029] Working principle: The output shaft of the drive motor 302 drives the driving gear 304 to rotate. The driving gear 304 drives the driven gear 104 and the rotating pipe 103 to rotate. The rotating pipe 103 drives the lifting rod 205 and a plurality of stirring blades 206 to rotate, thereby stirring the ball milling medium and water in the cleaning cylinder 101, so that the silver powder attached to the ball milling medium is evenly dispersed in the solvent in the cleaning cylinder 101. Subsequently, the piston rod of the lifting cylinder 202 drives the lifting rod 205 to rise along the rotating pipe 103, so that the through hole under the sealing block 207 discharges the solvent and silver powder. After the solvent and silver powder are completely discharged, the piston rod of the lifting cylinder 202 continues to rise, so that the sealing block 207 is separated from the inner wall of the bottom of the cleaning cylinder 101, and the ball milling medium is discharged. The filter block 601 separately discharges the solvent and silver powder. The output shaft of the second discharging motor 603 drives the second auger 604 to rotate. The second auger 604 conveys the silver powder on the filter block 601 to one end of the conveying pipe 602. When the solvent and silver powder are completely discharged from the cleaning cylinder 101, the output shaft of the first discharging motor 402 rotates to drive the first auger 403 to rotate, and the first auger 403 conveys the ball milling medium in the discharging cylinder 401.

[0030] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A solid-liquid separator for the production of high-purity silver powder, comprising a cleaning mechanism (1), characterized in that, The cleaning mechanism (1) includes a cleaning cylinder (101), a cylinder cover (102) bolted to the outer wall of the top of the cleaning cylinder (101), a rotating tube (103) passing through and connected to the outer wall of the bottom of the cylinder cover (102) through a bearing, and a driven gear (104) fixed to the outer wall of the upper part of the rotating tube (103); A stirring assembly (2) is arranged in the cleaning cylinder (101). The stirring assembly (2) includes a lifting cylinder (202), a limiting frame (203) bolted to the outer wall of the bottom end of the piston rod of the lifting cylinder (202), a limiting block (204) rotatably installed in the limiting frame (203), a lifting rod (205) fixed to the outer wall of the bottom end of the limiting block (204), a plurality of stirring blades (206) respectively fixed to the outer wall of the lower part of the lifting rod (205), and a sealing block (207) passing through and slidably sleeved on the inner wall of the bottom of the cleaning cylinder (101); A transmission assembly (3) is arranged on the top of the cylinder cover (102). The transmission assembly (3) includes a transmission motor (302), a rotating shaft (303) connected to the outer wall of the bottom end of the output shaft of the transmission motor (302) through a coupling, and a driving gear (304) fixed to the outer wall of the lower part of the rotating shaft (303); A first discharging mechanism (4) is arranged below the cleaning cylinder (101). The first discharging mechanism (4) includes a discharging cylinder (401), a first discharging motor (402) bolted to the outer wall of one end of the discharging cylinder (401), and a first auger (403) connected to the outer wall of one end of the output shaft of the first discharging motor (402) through a coupling; A separation box (5) is arranged at the bottom of the discharging cylinder (401), and the top of the separation box (5) abuts against the outer wall of the bottom of the discharging cylinder (401); A second discharging mechanism (6) is arranged in the separation box (5). The second discharging mechanism (6) includes an arc-shaped filter block (601), a conveying pipe (602) passing through and fixed to the inner wall of one side of the separation box (5), a second discharging motor (603) bolted to the outer wall of one side of the separation box (5), and a second auger (604) connected to the outer wall of one end of the output shaft of the second discharging motor (603) through a coupling.

2. The solid-liquid separator for producing high-purity silver powder according to claim 1, characterized in that, A feed hopper passes through and is fixed to the outer wall of one side of the bottom of the cylinder cover (102), and a connecting pipe (105) is fixed to the outer wall of the bottom of the cleaning cylinder (101).

3. The solid-liquid separator for producing high-purity silver powder according to claim 1, characterized in that, An installation frame (201) is fixed to the outer wall of the center of the top of the cylinder cover (102), and the lifting cylinder (202) is bolted to the outer wall of the top of the installation frame (201). The upper part of the lifting rod (205) is slidably sleeved in the rotating tube (103), and a clamping groove is formed on the outer wall of the lower part of the lifting rod (205). The upper part of the sealing block (207) is rotatably installed on the outer wall of the lower part of the lifting rod (205), and through holes are formed at equal intervals on the outer wall of the lower part of the sealing block (207). A limiting ring (208) is fixed to the inner wall of the upper part of the sealing block (207), and the limiting ring (208) is rotatably installed in the clamping groove.

4. A solid-liquid separator for the production of high-purity silver powder according to claim 1, characterized in that, An installation frame (301) is fixedly arranged on the outer wall of the top of the cylinder cover (102), and the driving motor (302) is connected to the outer wall of the top of the installation frame (301) by bolts. The bottom end of the rotating shaft (303) is connected to the outer wall of the top of the cylinder cover (102) through a bearing. The driving gear (304) and the driven gear (104) are meshed with each other to form a transmission fit.

5. A solid-liquid separator for the production of high-purity silver powder according to claim 2, characterized in that, The discharge cylinder (401) is fixedly arranged on the outer wall of the lower part of the connecting pipe (105). A first fixing block (404) is fixedly arranged on the inner wall of one end of the discharge cylinder (401), and one end of the first auger (403) penetrates through and is connected to the outer wall of one side of the first fixing block (404) through a bearing.

6. A solid-liquid separator for the production of high-purity silver powder according to claim 1, characterized in that, One side of the filter block (601) is fixedly arranged on the inner wall of one side of the separation box (5), and the conveying pipe (602) is fixedly arranged on the outer wall of one side of the filter block (601). A second fixing block (605) is fixedly arranged on the inner wall of one end of the conveying pipe (602), and one end of the second auger (604) penetrates through and is connected to the outer wall of one side of the second fixing block (605) through a bearing.

7. A solid-liquid separator for producing high-purity silver powder according to claim 1, characterized in that, A submersible pump is arranged on the inner wall of the bottom of the separation box (5), and a reflux pipe (7) is fixedly arranged on the outer wall of the water outlet end of the submersible pump. The top end of the reflux pipe (7) penetrates through and is fixedly arranged on the inner wall of the upper part of one side of the cleaning cylinder (101).

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