Pretreatment device for preparing high-purity metal
By designing a pretreatment device including cleaning crushing cylinders and drying cylinders, the problems of poor operation coordination and time-consuming of existing equipment are solved, efficient metal ore pretreatment is achieved, and the efficiency of high-purity metal preparation is improved.
Patent Information
- Application Number
- CN202421056396.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing metal ore pretreatment equipment for high-purity metal preparation has poor operational coordination during use, which increases operating costs, and the pretreatment process takes a long time and reduces working efficiency.
A pretreatment device including cleaning the crushing cylinder and the drying cylinder is designed, and the metal ore ore is crushed by a lever driven by a pulverizing the crushing drum, and cleaning it with a solenoid valve and a spray head. Then, the cleaned metal ore is transported to the drying cylinder through a drainage slide and a conveying port for drying.
By simplifying the operation process, the device improves the coordination of the pre-treatment process, reduces the operating cost and time, and improves the efficiency of high-purity metal preparation.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the field of metal ore pretreatment equipment, in particular to a pretreatment device for preparing high-purity metal. Background Art
[0002] High-purity metals are the comprehensive product of a variety of modern high-tech technologies. When metals fail to reach a certain purity, their properties are often masked by impurities. Therefore, the presence of trace impurities or even ultra-trace impurities will affect the properties of the metals. High-purity metals refer to metals with very high purity and impurities often calculated in parts per million. Since their properties are significantly different from those of general industrial pure metals, they have gained special uses. With the development of semiconductor technology, aerospace, radio technology, etc., the requirements for metal purity are getting higher and higher, which has also greatly promoted the development of high-purity metal production.
[0003] The main raw material of high-purity metal is metal-containing ore. Before production, the metal ore raw materials need to be crushed, washed, screened and dried to remove impurities and improve the grade of the metal. However, the existing processing equipment for high-purity metal preparation still has the following problems during use:
[0004] Existing metal ore raw materials undergo multiple pretreatment processes with poor coordination between each other, which increases operating costs. In addition, the pretreatment process consumes a lot of time and reduces work efficiency. Therefore, it is necessary to involve a pretreatment device for preparing high-purity metals in the field of existing metal ore pretreatment equipment. Utility Model Content
[0005] In order to make up for the shortcomings of the prior art, the existing metal ore raw materials undergo multiple pretreatment processes with poor coordination between each other, which increases the operating cost, consumes a lot of time during the pretreatment process, and reduces work efficiency. The utility model proposes a pretreatment device for preparing high-purity metals.
[0006] The technical solution adopted by the utility model to solve its technical problems is: a pretreatment device for preparing high-purity metals, comprising a cleaning and crushing cylinder and a drying cylinder, wherein the drying cylinder is fixedly assembled on the side of the cleaning and crushing cylinder, a feeding port is arranged on the top of the cleaning and crushing cylinder, the feeding port is communicated with the inside of the cleaning and crushing cylinder, a conical funnel is fixedly assembled on the inner wall of the cleaning and crushing cylinder, an operating rod is symmetrically and movably assembled on the inside of the cleaning and crushing cylinder, a crushing knife cylinder is movably assembled on the operating rod, two crushing knife cylinders are close to each other, and the crushing knife cylinders are located above the conical funnel, a connecting rod is symmetrically and fixedly assembled on the inner wall of the cleaning and crushing cylinder, the connecting rod is located below the conical funnel, a sliding block is movably assembled on the connecting rod, one end of the two sliding blocks is fixedly assembled with an elliptical frame, two symmetrical inner walls of the elliptical frame are fixedly assembled with traction racks, a mounting plate is fixedly assembled on the elliptical frame, a connecting plate is fixedly assembled on the mounting plate, a sieve box is fixedly assembled on the connecting plate, and one end of the sieve box is hollowed out.
[0007] Preferably, the inner wall of the cleaning and crushing cylinder is obliquely fixedly equipped with a drainage chute, the drainage chute is located below the screen box, and separation holes are provided on the screen box and the drainage chute, the hollow part at one end of the screen box is close to the drainage chute, and the inner wall of the cleaning and crushing cylinder is provided with a conveying port, which is connected to the interior of the drying cylinder.
[0008] Preferably, the drainage chute is inclined downward toward the conveying port, and the inner bottom surface of the drainage chute is on the same plane as the bottom surface of the conveying port.
[0009] Preferably, the drying cylinder is movably equipped with a rotating rod, the top of which is fixedly equipped with a first equal-diameter bevel gear, the rotating rod is fixedly equipped with a stirring blade, the stirring blade is located inside the drying cylinder, the cleaning and crushing cylinder is fixedly equipped with a liquid inlet pipe, the liquid inlet pipe is equipped with a solenoid valve, the upper side of the liquid inlet pipe is fixedly equipped with an annular tube, the annular tube is located on the outside of the conical funnel, and the annular tube is located above the screen box, and a nozzle is fixedly equipped at the bottom of the annular tube.
[0010] Preferably, the inner wall of the cleaning and crushing cylinder is fixedly equipped with a fixing rod, one end of the fixing rod movably passes through the screen box, and one end of the fixing rod is fixedly equipped with a pushing block, the pushing block is located in the screen box, the top of the drying cylinder is fixedly equipped with an assembly block, the assembly block is movably equipped with a movable rod, one end of the movable rod is fixedly equipped with a second equal-diameter bevel gear, the second equal-diameter bevel gear and the first equal-diameter bevel gear are toothedly assembled, the other end of the movable rod is fixedly equipped with a first sprocket, the operating rods are fixedly equipped with transmission gears, the two transmission gears are toothedly assembled, the cleaning and crushing cylinder is fixedly equipped with a mounting frame, the mounting frame is fixedly equipped with an operating motor, the output end of the operating motor movably passes through the mounting frame, and the output end of the operating motor is fixedly assembled with one of the transmission gears, one of the operating rods is fixedly equipped with a second sprocket, one end of the operating rod is fixedly equipped with a third sprocket, the second sprocket and the third sprocket are located on one side of the other transmission gear, and the first chain is wound around the third sprocket and the first sprocket.
[0011] Preferably, the cleaning and crushing cylinder is movably equipped with a rotating rod, one end of which is fixedly equipped with a fourth sprocket, the fourth sprocket and the second sprocket are wound with a second chain, the other end of the rotating rod is fixedly equipped with a fan-shaped gear, the fan-shaped gear is located between the two traction racks, and the fan-shaped gear is only toothed with one of the traction racks, and a drain port is provided at the bottom of the cleaning and crushing cylinder.
[0012] Preferably, an exhaust pipe is fixedly mounted on the drying cylinder, a heater is fixedly mounted on the drying cylinder, and a barrier door is mounted on the drying cylinder.
[0013] The utility model is beneficial in that:
[0014] The utility model pours the metal ore into the cleaning and crushing cylinder from the feeding port, starts the operating motor, so that the operating rod drives the two crushing knife cylinders to rotate in opposite directions, so that the crushing knife cylinders on the operating rod crush the metal ore, and the crushed metal ore falls into the screen box through the conical funnel, and the solenoid valve is started so that the liquid inlet pipe drains the cleaning water into the annular pipe, and then the crushed metal ore is cleaned by the nozzle, and the operating rod drives the second sprocket and the third sprocket to rotate respectively, the second sprocket drives the fourth sprocket to rotate through the second chain, and the fourth sprocket drives the fan gear to rotate through the rotating rod, and the fan gear is respectively assembled with only one of the traction racks, so that the sliding block on the elliptical frame reciprocates on the connecting rod, and the screen box reciprocates on the fixed rod. The push block pushes the crushed metal ore toward the drainage chute, and the screen box moves on the connecting rod through the sliding block, so that the cleaned crushed metal ore falls into the drainage chute and enters the interior of the drying cylinder through the conveying port. At the same time, the third sprocket drives the first sprocket to rotate through the first chain, and the first sprocket drives the second equal-diameter bevel gear to rotate through the movable rod, and the second equal-diameter bevel gear drives the first equal-diameter bevel gear to rotate, so that the rotating rod drives the stirring blade to stir the crushed and cleaned metal ore, and the heater heats the internal temperature of the drying cylinder to dry the crushed and cleaned metal ore inside the drying cylinder, and the gas is discharged through the exhaust pipe. At the same time, the barrier door is opened to take out the dried metal ore inside the drying cylinder, which is convenient for the later preparation of high-purity metal. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 This is a schematic diagram of the structure of a pretreatment device for preparing high-purity metals according to the utility model;
[0017] Figure 2 This is a schematic cross-sectional view of the pretreatment device for preparing high-purity metals according to the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of a pretreatment device for preparing high-purity metals according to the utility model;
[0019] Figure 4 It is a schematic diagram of the structure of the screening and separation mechanism of the utility model.
[0020] In the figure:
[0021] 10. Cleaning and crushing cylinder; 11. Drying cylinder; 12. Feeding port; 13. Liquid inlet pipe;
[0022] 20. Solenoid valve; 21. Rotating rod; 22. First equal diameter bevel gear; 23. Heater;
[0023] 30. Barrier door; 31. Exhaust pipe; 32. Assembly block; 33. Movable rod;
[0024] 40. second equi-diameter bevel gear; 41. first sprocket; 42. first chain; 43. annular tube;
[0025] 50. Nozzle; 51. Conical funnel; 52. Connecting rod; 53. Operating rod;
[0026] 60. Crushing knife cylinder; 61. Fixing rod; 62. Push block; 63. Screen box;
[0027] 70. drainage slide; 71. drainage port; 72. delivery port; 73. stirring blade;
[0028] 80. Transmission gear; 81. Mounting frame; 82. Operating motor; 83. Second sprocket;
[0029] 90. The third sprocket; 91. The rotating rod; 92. The fourth sprocket; 93. The second chain; 94. The sliding block; 95. The elliptical frame; 96. The traction rack; 97. The mounting plate; 98. The connecting plate; 99. The fan gear. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] The following is combined with Figure 1 —4 Further details of this application:
[0032] The present application embodiment discloses a pretreatment device for preparing high-purity metal. Figure 2 - Figure 4A pretreatment device for preparing high-purity metals comprises a cleaning and crushing cylinder 10 and a drying cylinder 11. The drying cylinder 11 is fixedly mounted on the side of the cleaning and crushing cylinder 10. The top of the cleaning and crushing cylinder 10 is provided with a feeding port 12 which is connected to the inside of the cleaning and crushing cylinder 10. A conical funnel 51 is fixedly mounted on the inner wall of the cleaning and crushing cylinder 10. An operating rod 53 is symmetrically and movably mounted inside the cleaning and crushing cylinder 10. A crushing knife cylinder 60 located above the conical funnel 51 is movably mounted on the operating rod 53. The two crushing knife cylinders 60 are close to each other. A connecting rod 52 is symmetrically and fixedly mounted on the inner wall of the cleaning and crushing cylinder 10. The connecting rod 52 is located below the conical funnel 51. The connecting rod 52 is movably mounted with a sliding The moving block 94 is fixedly equipped with an elliptical frame 95 at one end of the two sliding blocks 94, and the symmetrical inner walls of the elliptical frame 95 are fixedly equipped with traction racks 96. The elliptical frame 95 is fixedly equipped with a mounting plate 97, and the mounting plate 97 is fixedly equipped with a connecting plate 98. The connecting plate 98 is fixedly equipped with a screen box 63, and one end of the screen box 63 is hollowed out. The inner wall of the cleaning and crushing cylinder 10 is tilted and fixedly equipped with a drainage slide 70 located below the screen box 63, and the screen box 63 and the drainage slide 70 are both provided with separation holes. The hollow part of one end of the screen box 63 is close to the drainage slide 70. The inner wall of the cleaning and crushing cylinder 10 is provided with a conveying port 72 connected to the interior of the drying cylinder 11, and the drainage slide 70 is oriented in the direction of the conveying port 72. The bottom surface of the drainage chute 70 is in the same plane as the bottom surface of the conveying port 72. The drying cylinder 11 is movably provided with a rotating rod 21. The top of the rotating rod 21 is fixedly provided with a first equal-diameter bevel gear 22. The rotating rod 21 is fixedly provided with a stirring blade 73 located inside the drying cylinder 11. The cleaning and crushing cylinder 10 is fixedly provided with a liquid inlet pipe 13. The liquid inlet pipe 13 is provided with a solenoid valve 20. The liquid inlet pipe 13 is fixedly provided with an annular pipe 43. The annular pipe 43 is located outside the conical funnel 51 and above the screen box 63. The bottom of the annular pipe 43 is fixedly provided with a nozzle 50 to pour the metal ore from the feed port 12 into the inside of the cleaning and crushing cylinder 10. The operating rod 53 drives the crushing knife drum 60 to rotate, so that the two crushing knife drums 60 crush the metal ore, and the crushed metal ore falls into the screen box 63 through the conical funnel 51, and the solenoid valve 20 is started, so that the liquid inlet pipe 13 drains the cleaning water into the annular pipe 43, and then the crushed metal ore is cleaned by the nozzle 50, and the screen box 63 moves on the connecting rod 52 through the sliding block 94, so that the cleaned crushed metal ore falls into the drainage chute 70, and enters the interior of the drying cylinder 11 through the conveying port 72, and the first equal diameter bevel gear 22 drives the stirring blade 73 on the rotating rod 21 to rotate, so that the stirring blade 73 moves the cleaned crushed metal ore, which is helpful for the evaporation of water.
[0033] Reference Figure 2 - Figure 3The inner wall of the cleaning and crushing cylinder 10 is fixedly equipped with a fixing rod 61, one end of the fixing rod 61 movably penetrates the screen box 63, and one end of the fixing rod 61 is fixedly equipped with a push block 62 located in the screen box 63, the top of the drying cylinder 11 is fixedly equipped with an assembly block 32, and the assembly block 32 is movably equipped with a movable rod 33, one end of the movable rod 33 is fixedly equipped with a second equal-diameter bevel gear 40 that is tooth-patterned with the first equal-diameter bevel gear 22, and the other end of the movable rod 33 is fixedly equipped with a first sprocket 41, and the upper part of the operating rod 53 is fixedly equipped with a transmission gear 80, and the two transmission gears 80 are tooth-patterned. The cleaning and crushing cylinder 10 is fixedly equipped with a mounting frame 81, and the mounting An operating motor 82 is fixedly mounted on the mounting frame 81, and the output end of the operating motor 82 movably penetrates the mounting frame 81, and the output end of the operating motor 82 is fixedly mounted on one of the transmission gears 80, a second sprocket 83 is fixedly mounted on one of the operating rods 53, and a third sprocket 90 is fixedly mounted on one end of the operating rod 53, the second sprocket 83 and the third sprocket 90 are located on one side of the other transmission gear 80, and the first chain 42 is wound around the third sprocket 90 and the first sprocket 41, and a rotating rod 91 is movably mounted on the cleaning and crushing cylinder 10, and a fourth sprocket 92 is fixedly mounted on one end of the rotating rod 91, and the fourth sprocket 92 and the second sprocket 83 are wound around the second The chain 93 and the other end of the rotating rod 91 are fixedly equipped with a sector gear 99, which is located between the two traction racks 96, and the sector gear 99 is only toothed with one of the traction racks 96. The bottom of the cleaning and crushing cylinder 10 is provided with a drain port 71. The operating motor 82 is started, so that the operating rod 53 drives the two crushing knife cylinders 60 to rotate in opposite directions, so that the crushing knife cylinders 60 on the operating rod 53 can crush the metal ore. The operating rod 53 drives the second sprocket 83 and the third sprocket 90 to rotate respectively. The second sprocket 83 drives the fourth sprocket 92 to rotate through the second chain 93, and the fourth sprocket 92 drives the sector gear 83 through the rotating rod 91. 99 rotates, and the sector gear 99 is toothedly assembled with only one of the traction racks 96, so that the sliding block 94 on the elliptical frame 95 reciprocates on the connecting rod 52, the screen box 63 reciprocates on the fixed rod 61, and the push block 62 pushes the crushed metal ore toward the direction of the drainage chute 70. At the same time, the third sprocket 90 drives the first sprocket 41 to rotate through the first chain 42, and the first sprocket 41 drives the second equal-diameter bevel gear 40 to rotate through the movable rod 33, and the second equal-diameter bevel gear 40 drives the first equal-diameter bevel gear 22 to rotate, so that the rotating rod 21 drives the stirring blade 73 to stir the crushed and cleaned metal ore, which is conducive to water evaporation.
[0034] Reference Figure 1The drying cylinder 11 is fixedly equipped with an exhaust pipe 31, the drying cylinder 11 is fixedly equipped with a heater 23, and the drying cylinder 11 is equipped with a barrier door 30. The heater 23 heats the internal temperature of the drying cylinder 11, so that the crushed and cleaned metal ore inside the drying cylinder 11 is dried, and the gas is discharged through the exhaust pipe 31. At the same time, the barrier door 30 is opened to take out the metal ore inside the drying cylinder 11, which is convenient for the subsequent preparation of high-purity metal.
[0035] Working principle: Pour the metal ore from the feed port 12 into the interior of the cleaning and crushing cylinder 10, start the operating motor 82, so that the operating rod 53 drives the two crushing knife cylinders 60 to rotate in opposite directions, so that the crushing knife cylinders 60 on the operating rod 53 can crush the metal ore, and the crushed metal ore falls into the screen box 63 through the conical funnel 51, start the solenoid valve 20, so that the liquid inlet pipe 13 drains the cleaning water into the annular pipe 43, and then the crushed metal ore is cleaned by the nozzle 50, the operating rod 53 drives the second sprocket 83 and the third sprocket 90 to rotate respectively, the second sprocket 83 drives the fourth sprocket 92 to rotate through the second chain 93, the fourth sprocket 92 drives the fan gear 99 to rotate through the rotating rod 91, and the fan gear 99 is respectively assembled with only one of the traction racks 96, so that the sliding block 94 on the elliptical frame 95 reciprocates on the connecting rod 52, and the screen box 63 moves back and forth on the fixed rod 61. The push block 62 pushes the crushed metal ore toward the drainage chute 70, and the screen box 63 moves on the connecting rod 52 through the sliding block 94, so that the cleaned crushed metal ore falls into the drainage chute 70, and enters the interior of the drying cylinder 11 through the conveying port 72. At the same time, the third sprocket 90 drives the first sprocket 41 to rotate through the first chain 42, and the first sprocket 41 drives the second equal-diameter bevel gear 40 to rotate through the movable rod 33, and the second equal-diameter bevel gear 40 drives the first equal-diameter bevel gear 22 to rotate, so that the rotating rod 21 drives the stirring blade 73 to stir the crushed and cleaned metal ore, and the heater 23 heats the internal temperature of the drying cylinder 11, so that the crushed and cleaned metal ore inside the drying cylinder 11 is dried, and the gas is discharged through the exhaust pipe 31. At the same time, the barrier door 30 is opened, and the dried metal ore inside the drying cylinder 11 can be taken out, which is convenient for the later high-purity metal preparation.
[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A pretreatment device for preparing high-purity metal, characterized in that: The invention comprises a cleaning and crushing cylinder (10) and a drying cylinder (11), wherein the drying cylinder (11) is fixedly mounted on the side of the cleaning and crushing cylinder (10), a feeding port (12) is arranged on the top of the cleaning and crushing cylinder (10), and the feeding port (12) is communicated with the inside of the cleaning and crushing cylinder (10), a conical funnel (51) is fixedly mounted on the inner wall of the cleaning and crushing cylinder (10), an operating rod (53) is symmetrically and movably mounted inside the cleaning and crushing cylinder (10), and a crushing knife cylinder (60) is movably mounted on each of the operating rods (53), and the two crushing knife cylinders (60) are close to each other, and the crushing knife cylinders (60) are located in the conical funnel (51). 1), the inner wall of the cleaning and crushing cylinder (10) is symmetrically fixedly equipped with a connecting rod (52), the connecting rod (52) is located below the conical funnel (51), and sliding blocks (94) are movably equipped on the connecting rod (52), one end of the two sliding blocks (94) is fixedly equipped with an elliptical frame (95), and the symmetrical inner walls of the elliptical frame (95) are fixedly equipped with traction racks (96), the elliptical frame (95) is fixedly equipped with a mounting plate (97), the mounting plate (97) is fixedly equipped with a connecting plate (98), and the connecting plate (98) is fixedly equipped with a sieve box (63), and one end of the sieve box (63) is hollowed out.
2. A pretreatment device for preparing high-purity metal according to claim 1, characterized in that: The inner wall of the cleaning and pulverizing cylinder (10) is fixedly and tiltedly provided with a drainage slide (70), the drainage slide (70) being located below the sieve box (63), and separation holes being provided on the sieve box (63) and the drainage slide (70), the hollowed-out portion at one end of the sieve box (63) being close to the drainage slide (70), and the inner wall of the cleaning and pulverizing cylinder (10) being provided with a conveying port (72), the conveying port (72) being in communication with the interior of the drying cylinder (11).
3. A pretreatment device for preparing high-purity metal according to claim 2, characterized in that: The drainage slideway (70) is inclined downwardly in the direction of the delivery port (72), and the inner bottom surface of the drainage slideway (70) is on the same plane as the bottom surface of the delivery port (72).
4. A pretreatment device for preparing high-purity metal according to claim 2, characterized in that: The drying cylinder (11) is movably equipped with a rotating rod (21), the top of which is fixedly equipped with a first equal-diameter bevel gear (22), the rotating rod (21) is fixedly equipped with a stirring blade (73), the stirring blade (73) is located inside the drying cylinder (11), the cleaning and crushing cylinder (10) is fixedly equipped with a liquid inlet pipe (13), the liquid inlet pipe (13) is equipped with a solenoid valve (20), the upper side of the liquid inlet pipe (13) is fixedly equipped with an annular pipe (43), the annular pipe (43) is located outside the conical funnel (51), and the annular pipe (43) is located above the sieve box (63), and the bottom of the annular pipe (43) is fixedly equipped with a nozzle (50).
5. A pretreatment device for preparing high-purity metal according to claim 4, characterized in that: The inner wall of the cleaning and crushing cylinder (10) is fixedly equipped with a fixed rod (61), one end of which movably penetrates the sieve box (63), and one end of which is fixedly equipped with a push block (62), which is located in the sieve box (63). The top of the drying cylinder (11) is fixedly equipped with an assembly block (32), on which a movable rod (33) is movably assembled, one end of which is fixedly equipped with a second equal-diameter bevel gear (40), which is toothed with the first equal-diameter bevel gear (22), the other end of which is fixedly equipped with a first sprocket (41), and the upper part of the operating rod (53) is fixedly equipped with a transmission gear (80). ), two transmission gears (80) are toothedly assembled, a mounting frame (81) is fixedly assembled on the cleaning and crushing cylinder (10), an operating motor (82) is fixedly assembled on the mounting frame (81), an output end of the operating motor (82) movably passes through the mounting frame (81), and the output end of the operating motor (82) is fixedly assembled with one of the transmission gears (80), a second sprocket (83) is fixedly assembled on one of the operating rods (53), a third sprocket (90) is fixedly assembled on one end of the operating rod (53), the second sprocket (83) and the third sprocket (90) are located on one side of another transmission gear (80), and a first chain (42) is wound around the third sprocket (90) and the first sprocket (41).
6. A pretreatment device for preparing high-purity metal according to claim 5, characterized in that: The cleaning and pulverizing cylinder (10) is movably equipped with a rotating rod (91), one end of the rotating rod (91) is fixedly equipped with a fourth sprocket (92), the fourth sprocket (92) and the second sprocket (83) are wound with a second chain (93), the other end of the rotating rod (91) is fixedly equipped with a sector gear (99), the sector gear (99) is located between two traction racks (96), and the sector gear (99) is toothedly assembled with only one of the traction racks (96), and a liquid discharge port (71) is provided at the bottom of the cleaning and pulverizing cylinder (10).
7. A pretreatment device for preparing high-purity metal according to claim 1, characterized in that: An exhaust pipe (31) is fixedly mounted on the drying cylinder (11), a heater (23) is fixedly mounted on the drying cylinder (11), and a blocking door (30) is mounted on the drying cylinder (11).