Purification equipment for production of ultra-high-purity silica powder

Abstract

The utility model relates to the technical field of purification equipment, and discloses purification equipment for ultra-pure silica powder production, which comprises a stirring assembly, an extraction assembly is arranged on one side of the stirring assembly, the bottom of the stirring assembly is connected with a conveying assembly, a drying assembly is arranged on one side of the conveying assembly, and the drying assembly is connected with the stirring assembly. Materials and purification agents are fully mixed through the stirring assembly, the reaction efficiency is improved, chemical liquid medicine can be rapidly separated from the materials through cooperation of a water pump, material particles can be effectively prevented from being pumped away through a filtering connector, resource waste is reduced, a transmission belt is matched, the low-efficiency operation that materials need to be manually transferred in traditional equipment is avoided, and the production efficiency is improved. Meanwhile, the permanent magnets on the inner wall of the protective cover can effectively adsorb metal impurities in the materials, the purity of the materials is further improved, finally, moisture on the surfaces of the materials is rapidly removed through the heating pipes, the materials are effectively prevented from caking in the drying process, subsequent processing and using are facilitated, and the using efficiency of the materials is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to purification equipment technical field more specifically to a kind of purification equipment for ultra-high purity silicon micro powder production. BACKGROUND

[0002] Silicon micro powder is an important inorganic non-metallic material, widely used in electronics, photovoltaic, paint, ceramics, rubber and other fields, with the rapid development of high-tech industry, the purity requirement of silicon micro powder is higher and higher, especially ultra-pure high silicon micro powder is applied in high-end fields such as semiconductor, integrated circuit, and its purity and particle size distribution are extremely strict restrictions, the purification equipment under prior art, usually adopt simple soaking method to mix silicon micro powder with reagent, then separate silicon micro powder and chemical liquid by precipitation etc., finally material purification, although simple operation, but this purification method in actual production, it is easy to cause low reaction efficiency, purification effect is insufficient, also easy to cause secondary pollution;

[0003] In view of the above problems existing in the prior art, the utility model provides a kind of purification equipment for ultra-high purity silicon micro powder production, by optimizing equipment structure and process flow, realize the efficient, continuous, automatic purification of silicon micro powder, effectively improve the purity and production efficiency of silicon micro powder. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of purification equipment for ultra-high purity silicon micro powder production, to solve the above background art exists low reaction efficiency, purification effect is insufficient, easy to cause secondary pollution and other problems.

[0005] The utility model provides following technical scheme: A kind of purification equipment for ultrahigh purity silicon micro powder production, including stirring subassembly, extraction subassembly is installed in one side of stirring subassembly, and the bottom of stirring subassembly is connected with conveying component, conveying component one side is placed with drying component, stirring subassembly includes stirring drum, first motor, first transmission rod, rotating shaft, fixed shaft and stirring blade, first motor bottom movably connects with first transmission rod, first transmission rod passes through the aperture of the middle part of stirring drum top end and is movably inserted with rotating shaft in stirring drum inner chamber, the outer wall of rotating shaft movably sleeve joint with evenly distributed fixed shaft, the outer wall of fixed shaft detachably install with circumferentially distributed stirring blade, extraction subassembly includes water storage cylinder, conveying component includes protective cover, second motor, second transmission rod, first transmission wheel and transmission belt, the inner wall of protective cover detachably installs with evenly distributed permanent magnet, second motor movably is placed in protective cover side wall, and second motor is movably connected with second transmission rod on the side close to protective cover, the end of second transmission rod away from second motor passes through protective cover side wall and is fixedly connected with first transmission wheel, the outer wall of first transmission wheel is rotatably connected with transmission belt, drying component includes drying box and heating controller, heating controller is fixedly installed in the inner chamber side wall of drying box one end close to protective cover.

[0006] Preferably, the stirring assembly further comprises a barrel door, a handle, a water inlet, a fixed ring and a support frame, the barrel door is movably installed on the top of the stirring drum, the handle is fixedly arranged on the end of the barrel door away from the stirring drum, the water inlet is movably connected with the stirring drum through the aperture on one side of the top of the stirring drum, the fixed ring is fixedly installed on the middle of the outer wall of the stirring drum, and the support frame is movably installed on the bottom of the fixed ring in a circumferential distribution.

[0007] Preferably, the stirring assembly further comprises an observation window, the observation window passes through the slot on one side of the stirring drum and is fixedly connected with the stirring drum, and a transparent glass plate is movably arranged inside the observation window.

[0008] Preferably, the extraction subassembly further comprises a water pump, a connecting pipe, an extraction pipe, a filter joint, a sealing ring and a drain pipe, the water pump is movably arranged on the top of the water storage cylinder, the connecting pipe is fixedly sleeved on the top of the water pump, the extraction pipe is movably connected with the end of the connecting pipe away from the water pump, the extraction pipe is fixedly connected with the filter joint through the aperture on the side wall of the stirring drum, the sealing ring is fixedly sleeved on the connection between the filter joint and the extraction pipe, and the drain pipe is movably installed in the aperture on the side of the water storage cylinder away from the extraction pipe.

[0009] Preferably, the conveying assembly further comprises a conveying pipe and a valve, the protective cover is provided with an opening near the top of one side of the stirring cylinder, the conveying pipe is fixedly connected to the opening, one end of the conveying pipe is movably connected to the opening in the middle of the bottom of the stirring cylinder, and the outer wall of the conveying pipe is further fixedly provided with the valve, and the second motor is movably arranged on the side wall of the protective cover.

[0010] Preferably, the conveying assembly further comprises a protruding block, and the top of the transmission belt is fixedly provided with the protruding block.

[0011] Preferably, the conveying assembly further comprises a movable rod, a second transmission wheel, a fixed seat and a supporting block, the movable rod is fixedly arranged on the inner wall of the end of the protective cover away from the stirring cylinder, the movable rod is movably connected to the second transmission wheel through the opening in the middle of the second transmission wheel, the fixed seat is fixedly arranged on the bottom of the second motor, and the middle of the bottom of the protective cover is further fixedly provided with the supporting block.

[0012] Preferably, the drying assembly further comprises a viewing port, a box door and a handle, the side wall of the drying box is provided with a groove for fixedly connecting the viewing port, the inside of the viewing port is movably provided with a transparent glass plate, the end of the drying box away from the protective cover is movably provided with the box door, and the end of the box door away from the drying box is fixedly provided with the handle.

[0013] Preferably, the drying assembly further comprises a heating pipe, and the heating controller is detachably provided with the uniformly distributed heating pipes.

[0014] Preferably, the drying assembly further comprises a feeding port, the feeding port is fixedly arranged in the opening in the middle of the top of the drying box, and the end of the feeding port away from the drying box is movably connected to the opening in the bottom of the end of the protective cover away from the stirring cylinder.

[0015] The technical effects and advantages of the present application are as follows:

[0016] The present application can mix the material and the purification reagent sufficiently through the cooperation of the stirring assembly, and the chemical reagent can contact the surface of the material particles more uniformly through the stirring of the stirring blade, so that the reaction rate is improved and the purification time is shortened.

[0017] The present application can separate the chemical liquid and the material quickly through the cooperation of the water storage cylinder and the water pump, the design of the filter connector can effectively prevent the material particles from being sucked away, ensure the high recovery rate of the material, reduce resource waste, and the chemical reagent can be collected and treated centrally, which is also beneficial to reducing the influence on the environment.

[0018] The utility model discloses a transmission belt is designed with can realize the continuous conveying of material, avoided the low -efficient operation of manual transfer material in traditional equipment, improve production efficiency, simultaneously, the permanent magnet of protection cover inner wall can effectively adsorb the metal impurity in material, further improved the purity of material, and material and external environment have no direct contact in the conveying process, also indirectly reduced the pollution risk.

[0019] The utility model discloses a heating pipe is set up and can remove the moisture on the surface of material quickly, avoided the time waste of traditional natural airing mode, shortened the production cycle significantly, through control drying temperature, can also effectively prevent the caking in the drying process in material, convenient subsequent processing and use, improve material use efficiency. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model.

[0021] Figure 2 It is the whole structure front view of the utility model.

[0022] Figure 3 It is the whole structure side view of the utility model.

[0023] Figure 4 It is the stirring subassembly structure schematic view of the utility model.

[0024] Figure 5 It is the stirring structure cross section structure schematic view of the utility model.

[0025] Figure 6 It is the Figure 5 It is the structure schematic view of the utility model in A place.

[0026] Figure 7 It is the conveying component, drying component structure schematic view of the utility model.

[0027] Figure 8 It is the conveying component, drying component cross section structure schematic view of the utility model.

[0028] The reference signs are: 1, stirring assembly; 101, stirring cylinder; 102, cylinder door; 103, handle; 104, water inlet; 105, fixed ring; 106, support frame; 107, first motor; 108, first transmission rod; 109, rotating shaft; 110, fixed shaft; 111, stirring blade; 112, observation window; 2, extraction assembly; 201, water storage cylinder; 202, water pump; 203, connecting pipe; 204, extraction pipe; 205, filter joint; 206, sealing ring; 207, drain pipe; 3, conveying assembly; 301, protective cover; 302, conveying pipe; 303, valve; 304, second motor; 305, second transmission rod; 306, first transmission wheel; 307, transmission belt; 308, protrusion; 309, movable rod; 310, second transmission wheel; 311, fixed seat; 312, support block; 4, drying assembly; 401, drying box; 402, sighting port; 403, box door; 404, handle; 405, heating controller; 406, heating pipe; 407, feed inlet. DETAILED DESCRIPTION

[0029] The technical solutions in the utility model will be described clearly and completely below with reference to the drawings in the utility model, and additionally, the forms of the structures described in the following embodiments are only examples, and the purification equipment for ultra-high purity silicon powder production involved in the utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0030] With reference to Figures 1-8 The utility model provides a kind of purification equipment for ultra-high purity silicon powder production, including stirring assembly 1, extraction assembly 2 is installed in one side of stirring assembly 1, and conveying assembly 3 is connected to the bottom of stirring assembly 1, and drying assembly 4 is placed in one side of conveying assembly 3;

[0031] With reference to Figure 1 , Figure 2 , Figure 4 And Figure 5, the stirring assembly 1 comprises a stirring cylinder 101, a cylinder door 102, a handle 103, a water inlet 104, a fixed ring 105, a support frame 106, a first motor 107, a first transmission rod 108, a rotating shaft 109, a fixed shaft 110, stirring blades 111 and an observation window 112, the cylinder door 102 is movably arranged on the top of the stirring cylinder 101, the handle 103 is fixedly arranged on the end of the cylinder door 102 away from the stirring cylinder 101, the water inlet 104 is movably connected with the stirring cylinder 101 through the opening on the side of the top of the stirring cylinder 101, the fixed ring 105 is fixedly arranged on the middle of the outer wall of the stirring cylinder 101, and the support frames 106 are movably arranged on the bottom of the fixed ring 105, the first motor 107 is fixedly arranged on the middle of the top of the stirring cylinder 101, the first transmission rod 108 is movably connected with the bottom of the first motor 107, the first transmission rod 108 is movably inserted into the rotating shaft 109 in the middle of the inner cavity of the stirring cylinder 101 through the opening in the middle of the top of the stirring cylinder 101, the fixed shafts 110 are movably sleeved on the outer wall of the rotating shaft 109, the stirring blades 111 are detachably arranged on the outer wall of the fixed shaft 110, the observation window 112 is fixedly connected with the stirring cylinder 101 through the slot on the side of the stirring cylinder 101, and the transparent glass plate is movably arranged in the observation window 112, so that the material and the purification reagent can be fully mixed through the cooperation of the stirring assembly 1, the chemical reagent can be more uniformly contacted with the surface of the material particles through the stirring of the fixed shaft 110, so that the reaction rate is improved, the purification time is shortened, the cylinder door 102 on the top of the stirring cylinder 101 can also effectively prevent the entry of external dust or impurities during stirring, avoid secondary pollution, and also reduce the pollution of the operating environment caused by the volatilization of the chemical reagent;

[0032] Referring to Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 , the extraction assembly 2 comprises a water storage cylinder 201, a water pump 202, a connecting pipe 203, an extraction pipe 204, a filter joint 205, a sealing ring 206 and a drain pipe 207, the water pump 202 is movably arranged on the top of the water storage cylinder 201, the connecting pipe 203 is fixedly sleeved on the top of the water pump 202, the extraction pipe 204 is movably connected with the filter joint 205 through the opening in the side wall of the stirring cylinder 101, the sealing ring 206 is fixedly sleeved on the connection between the filter joint 205 and the extraction pipe 204, and the drain pipe 207 is movably arranged in the opening on the side of the water storage cylinder 201 away from the extraction pipe 204, so that the chemical liquid and the material can be quickly separated through the cooperation of the water storage cylinder 201 and the water pump 202, the design of the filter joint 205 can also effectively prevent the material particles from being extracted, ensure the high recovery rate of the material, reduce resource waste, and also reduce the impact on the environment through the collection and centralized treatment of the chemical reagent;

[0033] With reference to Figure 1 , Figure 3 , Figure 7 and Figure 8 , the conveying assembly 3 comprises a protective cover 301, a conveying pipe 302, a valve 303, a second motor 304, a second transmission rod 305, a first transmission wheel 306, a transmission belt 307, a protrusion 308, a movable rod 309, a second transmission wheel 310, a fixed seat 311 and a supporting block 312, the inner wall of the protective cover 301 is detachably provided with uniformly distributed permanent magnets, and the top of the side of the protective cover 301 close to the stirring drum 101 is provided with an opening for fixed connection of the conveying pipe 302, the end of the conveying pipe 302 away from the protective cover 301 is movably connected with the opening at the bottom end of the middle part of the stirring drum 101, and the outer wall of the conveying pipe 302 is further provided with the valve 303, the second motor 304 is movably placed on the side wall of the protective cover 301, and the side of the second motor 304 close to the protective cover 301 is movably connected with the second transmission rod 305, the end of the second transmission rod 305 away from the second motor 304 penetrates through the side wall of the protective cover 301 and is fixedly connected with the first transmission wheel 306, the outer wall of the first transmission wheel 306 is rotatably connected with the transmission belt 307, the top of the transmission belt 307 is fixedly provided with the protrusion 308, the movable rod 309 is fixedly installed on the inner wall of the end of the protective cover 301 away from the stirring drum 101, and the movable rod 309 penetrates through the opening in the middle part of the second transmission wheel 310 and is movably connected with the second transmission wheel 310, the fixed seat 311 is fixedly placed at the bottom of the second motor 304, and the middle part of the bottom end of the protective cover 301 is further fixedly provided with the supporting block 312, the purpose is to realize continuous conveying of materials through the design of the transmission belt 307, avoid the low-efficiency operation of manual transfer of materials in traditional equipment, improve the production efficiency, at the same time, the permanent magnets on the inner wall of the protective cover 301 can effectively adsorb the metal impurities in the materials, further improve the purity of the materials, and the materials are not directly contacted with the external environment in the conveying process, which also indirectly reduces the pollution risk;

[0034] With reference to Figure 1 , Figure 3 , Figure 7 and Figure 8The drying assembly 4 comprises a drying box 401, a sight hole 402, a box door 403, a handle 404, a heating controller 405, a heating pipe 406 and a feeding port 407. The side wall of the drying box 401 is provided with a groove for fixed connection of the sight hole 402. The inside of the sight hole 402 is movably provided with a transparent glass plate. The end of the drying box 401 away from the protective cover 301 is movably provided with the box door 403. The end of the box door 403 away from the drying box 401 is fixedly provided with the handle 404. The heating controller 405 is fixedly arranged on the inner cavity side wall of the drying box 401 close to the protective cover 301. The middle part of the heating controller 405 is detachably provided with the uniformly distributed heating pipes 406. The feeding port 407 is fixedly arranged in the opening at the middle part of the top end of the drying box 401. The end of the feeding port 407 away from the drying box 401 is movably connected with the opening at the bottom of the end of the protective cover 301 away from the stirring drum 101. The purpose is to quickly remove the moisture on the surface of the material by using the heating pipes 406, to avoid the time waste caused by the traditional natural drying method, to significantly shorten the production cycle, to effectively prevent the material from caking in the drying process by controlling the drying temperature, to facilitate the subsequent processing and use, and to improve the material use efficiency.

[0035] The utility model discloses a work principle: first, the device is horizontally placed in the working environment, ensures that each component is firmly installed, and the electrical elements such as first motor 107, second motor 304 and heating controller 405 are electrically connected, when the purification work is needed, first, the upward pulling force is applied to pull the handle 103 on the top of stirring cylinder 101 to make the cylinder door 102 rotate and open, the material to be purified is put into stirring cylinder 101, then the water inlet 104 is connected to the external water source, and sufficient water flow is input into stirring cylinder 101, and the quantitative chemical reagent such as hydrofluoric acid is put in proportion, and first motor 107 is started at the same time, at this moment, first motor 107 drives first transmission rod 108 connected movably through the coupling to rotate, since first transmission rod 108 passes through the opening in the middle of the top of stirring cylinder 101 and is fixedly connected with rotating shaft 109, in turn, rotating shaft 109 is indirectly driven to rotate, under the rotation of rotating shaft 109, fixed shaft 110 and stirring blade 111 fixedly installed on the outer wall of rotating shaft 109 also rotate with the rotation of rotating shaft 109, in turn, the material in stirring cylinder 101 is uniformly stirred, at this moment, the stirring state in stirring cylinder 101 can be checked through observation window 112 on the outer wall of stirring cylinder 101, when the stirring is completed, water pump 202 is started, under the action of water pump 202, the material in stirring cylinder 101 is filtered and extracted through extraction pipe 204 movably connected on the top of stirring cylinder 101 and filter joint 205, the design of filter joint 205 can effectively prevent the material from being extracted with the liquid medicine, and the material waste is reduced, at this moment, the clean water can be continuously injected into stirring cylinder 101 through water inlet 104 while being extracted, and repeated stirring and purification are carried out, when the extraction is completed, the valve 303 at the bottom of stirring cylinder 101 is rotated by applying force, so that the material after stirring can fall on the surface of transmission belt 307 through conveying pipe 302, at this moment, second motor 304 is started, and second motor 304 drives second transmission rod 305 movably connected through the coupling to rotate, since second transmission rod 305 passes through the side wall of protection cover 301 and is movably connected with second transmission rod 305, in turn, second transmission rod 305 is driven to rotate, under the rotation of second transmission rod 305, transmission belt 307 closely combined with second transmission rod 305 rotates around the first transmission wheel 306 and the second transmission wheel 310, and the material on the surface of transmission belt 307 is moved in the movement, the permanent magnet movably installed on the inner wall of protection cover 301 can adsorb the metal impurities in the material on the surface of transmission belt 307 in the movement of the material, and the material is further physically purified, with the rotation of transmission belt 307, the material further purified on the surface of transmission belt 307 falls into drying box 401 through feeding port 407 under the action of gravity, at this moment, the heating controller 405 on the inner wall of drying box 401 controls heating pipe 406 to dry the falling material, under the action of heating pipe 406, the water on the surface of the material is quickly removed, the material is prevented from caking and affecting the subsequent use, after drying,The purified material is taken out by rotating and opening the box door 403 through applying pulling force to the handle 404 of the side wall of the drying box 401, and the purification process is completed.

[0036] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be broadly understood, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0037] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0038] Finally: the above only for the preferred embodiment of the utility model has, and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A kind of ultra-high purity silicon micro powder production with purification equipment, including stirring assembly (1), it is characterized by: The side of the stirring assembly (1) is provided with an extraction assembly (2), and the bottom of the stirring assembly (1) is connected with a conveying assembly (3), one side of the conveying assembly (3) is provided with a drying assembly (4), the stirring assembly (1) comprises a stirring cylinder (101), a first motor (107), a first transmission rod (108), a rotating shaft (109), a fixed shaft (110) and a stirring blade (111), the bottom of the first motor (107) is movably connected with the first transmission rod (108), the first transmission rod (108) penetrates through the opening in the middle of the top end of the stirring cylinder (101) and movably inserts into the rotating shaft (109) in the inner cavity of the stirring cylinder (101), the outer wall of the rotating shaft (109) movably sleeves the uniformly distributed fixed shaft (110), and the outer wall of the fixed shaft (110) movably sleeves the circumferentially distributed stirring blade (111), the extraction assembly (2) comprises a water storage cylinder (201), the conveying assembly (3) comprises a protective cover (301), a second motor (304), a second transmission rod (305), a first transmission wheel (306) and a transmission belt (307), the inner wall of the protective cover (301) movably sleeves the uniformly distributed permanent magnets, the second motor (304) is movably arranged on the side wall of the protective cover (301), and the side, close to the protective cover (301), of the second motor (304) is movably connected with the second transmission rod (305), one end, away from the second motor (304), of the second transmission rod (305) penetrates through the side wall of the protective cover (301) and is fixedly connected with the first transmission wheel (306), the outer wall of the first transmission wheel (306) is rotatably connected with the transmission belt (307), and the drying assembly (4) comprises a drying box (401) and a heating controller (405), the heating controller (405) is fixedly arranged on the inner wall of the inner cavity of one end, close to the protective cover (301), of the drying box (401).

2. The purification device for producing ultra-high purity silicon powder according to claim 1, characterized in that: The stirring assembly (1) further comprises a cylinder door (102), a handle (103), a water inlet (104), a fixing ring (105) and a support frame (106), the top of the stirring cylinder (101) movably sleeves the cylinder door (102), one end, away from the stirring cylinder (101), of the cylinder door (102) is fixedly provided with the handle (103), the water inlet (104) penetrates through the opening in the side of the top of the stirring cylinder (101) and is movably connected with the stirring cylinder (101), the fixing ring (105) is fixedly arranged on the middle of the outer wall of the stirring cylinder (101), and the bottom of the fixing ring (105) movably sleeves the circumferentially distributed support frame (106), and the first motor (107) is fixedly arranged on the middle of the top end of the stirring cylinder (101).

3. The purification device for producing ultra-high purity silicon fine powder according to claim 1, characterized in that: The stirring assembly (1) further comprises an observation window (112), the observation window (112) penetrates through the slot in the side of the stirring cylinder (101) and is fixedly connected with the stirring cylinder (101), and the inside of the observation window (112) further movably sleeves a transparent glass plate.

4. The purification apparatus for producing ultra-high purity silicon fine powder according to claim 1, characterized in that: The extraction assembly (2) further comprises a water pump (202), a connecting pipe (203), an extraction pipe (204), a filter joint (205), a sealing ring (206) and a drain pipe (207), the water pump (202) is movably arranged on the top of the water storage cylinder (201), the connecting pipe (203) is fixedly sleeved on the top of the water pump (202), the extraction pipe (204) is movably connected to the end of the connecting pipe (203) away from the water pump (202), the extraction pipe (204) is fixedly connected with the filter joint (205) through the opening in the side wall of the stirring cylinder (101), the sealing ring (206) is fixedly sleeved on the joint of the filter joint (205) and the extraction pipe (204), and the drain pipe (207) is movably arranged in the opening on the side of the water storage cylinder (201) away from the extraction pipe (204).

5. The purification apparatus for producing ultra-high purity silicon fine powder according to claim 1, characterized in that: The conveying assembly (3) further comprises a conveying pipe (302) and a valve (303), the top of the protection cover (301) near the stirring cylinder (101) is provided with an opening for fixedly connecting the conveying pipe (302), the end of the conveying pipe (302) away from the protection cover (301) is movably connected with the opening in the middle of the bottom end of the stirring cylinder (101), and the outer wall of the conveying pipe (302) is further fixedly provided with the valve (303), and the second motor (304) is movably arranged on the side wall of the protection cover (301).

6. The purification apparatus for producing ultra-high purity silicon fine powder according to claim 1, characterized in that: The conveying assembly (3) further comprises a protruding block (308), and the top of the transmission belt (307) is fixedly provided with the protruding block (308).

7. The purification apparatus for producing ultra-high purity silicon fine powder according to claim 1, characterized by comprising: The conveying assembly (3) further comprises a movable rod (309), a second transmission wheel (310), a fixed seat (311) and a supporting block (312), the movable rod (309) is fixedly arranged on the inner wall of the end of the protection cover (301) away from the stirring cylinder (101), and the movable rod (309) passes through the opening in the middle of the second transmission wheel (310) and is movably connected with the second transmission wheel (310), the fixed seat (311) is fixedly arranged on the bottom of the second motor (304), and the middle of the bottom end of the protection cover (301) is further fixedly provided with the supporting block (312).

8. The purification apparatus for producing ultra-high purity silicon fine powder according to claim 1, characterized by comprising: The drying assembly (4) further comprises a viewing port (402), a box door (403) and a handle (404), the side wall of the drying box (401) is provided with a slot for fixedly connecting the viewing port (402), the inside of the viewing port (402) is movably provided with a transparent glass plate, the end of the drying box (401) away from the protection cover (301) is movably provided with the box door (403), and the end of the box door (403) away from the drying box (401) is fixedly provided with the handle (404).

9. The purification apparatus for producing ultra-high purity silicon fine powder according to claim 1, characterized by comprising: The drying assembly (4) further comprises heating pipes (406), and the middle of the heating controller (405) is detachably provided with uniformly distributed heating pipes (406).

10. The purification apparatus for producing ultra-high purity silicon fine powder according to claim 1, characterized by comprising: The drying assembly (4) further comprises a feeding port (407), the feeding port (407) is fixedly arranged in the opening in the middle of the top end of the drying box (401), and the end of the feeding port (407) away from the drying box (401) is movably connected with the opening in the bottom of the end of the protection cover (301) away from the stirring cylinder (101).

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