CN114570506A - Preheating device for polycrystalline silicon production - Google Patents

Preheating device for polycrystalline silicon production Download PDF

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Publication number
CN114570506A
CN114570506A CN202210204327.5A CN202210204327A CN114570506A CN 114570506 A CN114570506 A CN 114570506A CN 202210204327 A CN202210204327 A CN 202210204327A CN 114570506 A CN114570506 A CN 114570506A
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China
Prior art keywords
fixedly connected
side wall
wall
plate
motor
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Granted
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CN202210204327.5A
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Chinese (zh)
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CN114570506B (en
Inventor
黄玉健
何迎辉
何小猛
陈进
鲍双林
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Fortunate Solar Technology Co ltd
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Fortunate Solar Technology Co ltd
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Priority to CN202210204327.5A priority Critical patent/CN114570506B/en
Publication of CN114570506A publication Critical patent/CN114570506A/en
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Publication of CN114570506B publication Critical patent/CN114570506B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B02C21/02—Transportable disintegrating plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/14—Stamping mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/42—Driving mechanisms; Roller speed control
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B28/00—Production of homogeneous polycrystalline material with defined structure
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/06—Silicon
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B35/00—Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure
    • C30B35/007—Apparatus for preparing, pre-treating the source material to be used for crystal growth
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/546—Polycrystalline silicon PV cells

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Silicon Compounds (AREA)

Abstract

The invention discloses a preheating device for polycrystalline silicon production, which comprises a base, wherein a box body is arranged on the upper side wall of the base, a crushing box is arranged in the box body, a supporting rod is fixedly connected to the rear side wall of the box body, the end part of the supporting rod is fixedly connected with a first motor, the driving end of the first motor is fixedly connected with a first rotating shaft extending into the crushing box, a first belt pulley is fixedly sleeved on the outer wall of the first rotating shaft, and a rotating rod positioned on the right side of the first rotating shaft is rotatably connected to the rear side wall of the box body. According to the polycrystalline silicon grinding device, the rotating directions of the first grinding roller and the second grinding roller are opposite, so that polycrystalline silicon is ground more effectively, the grinding efficiency is improved, the pressing plate moves up and down in a reciprocating mode, the pressing plate continuously rolls the polycrystalline silicon, the polycrystalline silicon is finer, the effect of preheating the polycrystalline silicon is improved, the stirring plate moves rightwards or leftwards, the motor drives the stirring plate to rotate, the polycrystalline silicon in the grinding box can be moved reversely, and the grinding effect is improved.

Description

Preheating device for polycrystalline silicon production
Technical Field
The invention relates to the technical field of polycrystalline silicon production, in particular to a preheating device for polycrystalline silicon production.
Background
Polycrystalline silicon is a form of elemental silicon. When the molten elemental silicon is solidified under the undercooling condition, silicon atoms are arranged in the form of diamond crystal lattices to form a plurality of crystal nuclei, and if the crystal nuclei grow into crystal grains with different crystal plane orientations, the crystal grains are combined to be crystallized into polycrystalline silicon. The development trend of the international solar cell can be seen from the development process of the international solar cell at present.
Polysilicon needs to be preheated in polysilicon production, and the crushing effect of the existing polysilicon crushing device is poor, so that the preheating of the polysilicon is influenced.
Therefore, a preheating device for producing polycrystalline silicon is provided.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a preheating device for polysilicon production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preheating device for polycrystalline silicon production comprises a base, wherein a box body is installed on the upper side wall of the base, a crushing box is arranged in the box body, a supporting rod is fixedly connected to the rear side wall of the box body, a first motor is fixedly connected to the end part of the supporting rod, a first rotating shaft extending into the crushing box is fixedly connected to the driving end of the first motor, a first belt pulley is fixedly sleeved on the outer wall of the first rotating shaft, a rotating rod located on the right side of the first rotating shaft is rotatably connected to the rear side wall of the box body, a second belt pulley is fixedly connected to the rear end of the rotating rod, a belt is commonly sleeved on the outer walls of the first belt pulley and the second belt pulley, a first gear is fixedly sleeved on the outer wall of the rotating rod, a second rotating shaft extending into the crushing box is rotatably connected to the rear side wall of the box body, a second gear meshed with the first gear is fixedly sleeved on the outer wall of the second rotating shaft, a first crushing roller is fixedly connected to the front end of the first rotating shaft, the front end of the rotating shaft II is fixedly connected with a crushing roller II;
the utility model discloses a crushing case, including crushing case, lower lateral wall, connecting plate, the even fixedly connected with spliced pole of lower lateral wall, every, the equal fixedly connected with clamp plate of lower extreme of spliced pole, the right side wall fixedly connected with of mounting panel extends to the outside connecting plate of box, the lower lateral wall fixedly connected with and the box inner wall fixed connection's of box baffle, be provided with reciprocating mechanism on the baffle, be provided with rabbling mechanism on the baffle, the inner diapire of box is provided with preheating device.
Preferably, reciprocating mechanism includes the fixed plate of fixed connection on the baffle, the left side wall fixedly connected with motor two of fixed plate, the drive end fixedly connected with disc of motor two, the skew centre of a circle department fixedly connected with of the left side wall of disc supports the pole, the last side wall fixedly connected with of baffle is located the left sleeve pipe of support pole, sheathed tube last side wall slides and inserts and is equipped with the inserted bar, the top fixedly connected with sliding sleeve of inserted bar is established at the rectangle frame that supports on the pole outer wall, the left side wall of rectangle frame and the right-hand member fixed connection of connecting plate.
Preferably, the stirring mechanism includes a sliding plate connected to the partition plate in a sliding manner, an upper side wall of the sliding plate is fixedly connected with a motor four, a driving end of the motor four is fixedly connected with a transmission rod, a right end of the transmission rod is fixedly connected with a stirring plate, a left end of the sliding plate is fixedly connected with a vertical plate, a left side wall of the vertical plate is fixedly connected with a toothed plate, a partition plate is fixedly connected with a support, a top end of the support is fixedly connected with a motor three, and a driving end of the motor three is fixedly connected with a gear three meshed with the toothed plate.
Preferably, the lower lateral wall symmetry fixedly connected with support column of base, every the pulley that has the service brake is all installed to the lower extreme of support column.
Preferably, a guide block is fixedly connected to an inner bottom wall of the pulverizing box.
Preferably, a plurality of projections are fixedly connected to the lower side wall of each pressing plate.
Preferably, the left side wall of the grinding box is provided with a notch matched with the stirring plate.
Compared with the prior art, the preheating device for producing the polycrystalline silicon has the advantages that:
1. the polycrystalline silicon crushing device is provided with the crushing box, the first crushing roller, the second crushing roller and the first motor, the first motor is started, the driving end of the first motor drives the first rotating shaft, the first crushing roller and the first belt pulley to rotate clockwise, and further drives the second belt pulley, the second rotating rod and the first gear to rotate clockwise, so that the second gear, the second rotating shaft and the second crushing roller which are meshed with the first belt pulley and the second belt pulley rotate anticlockwise, and the rotating directions of the first crushing roller and the second crushing roller are opposite, so that polycrystalline silicon is crushed more effectively, and the crushing efficiency is improved;
2. the polycrystalline silicon preheating device is provided with the mounting plate, the rolling box, the pressing plate and the reciprocating mechanism, the motor II is started, the driving end of the motor II drives the disc and the abutting rod to rotate, so that the rectangular frame, the connecting plate, the mounting plate and the pressing plate are driven to move upwards or downwards, the pressing plate moves up and down in a reciprocating mode, the pressing plate continuously rolls polycrystalline silicon, the polycrystalline silicon is enabled to be finer, and therefore the effect of polycrystalline silicon preheating is improved;
3. the polycrystalline silicon grinding machine is provided with the stirring mechanism, the third motor is started, the driving end of the third motor drives the third gear to rotate clockwise or anticlockwise so as to drive the toothed plate, the sliding plate and the stirring plate to move rightwards or leftwards, and the fourth motor drives the stirring plate to rotate, so that polycrystalline silicon in the grinding box can be reversed, and the grinding effect is improved;
in conclusion, the rotation directions of the first crushing roller and the second crushing roller are opposite, so that polycrystalline silicon is crushed more effectively, the crushing efficiency is improved, the pressing plate moves up and down in a reciprocating mode to continuously crush the polycrystalline silicon, the polycrystalline silicon is finer, the effect of preheating the polycrystalline silicon is improved, the stirring plate moves rightwards or leftwards, the motor drives the stirring plate to rotate, the polycrystalline silicon in the crushing box can be reversed, and the crushing effect is improved.
Drawings
FIG. 1 is a schematic structural diagram of a preheating device for polysilicon production according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a top view of the junction among the box, the support rod, the first motor, the second rotating shaft and the second gear in the preheating device for polysilicon production according to the present invention.
In the figure: the device comprises a base 1, support columns 2, pulleys 3, a box body 4, a crushing box 5, a support rod 6, a motor I7, a rotating shaft I8, a belt pulley I9, a rotating rod 10, a belt pulley II 11, a gear I12, a rotating shaft II 13, a gear II 14, a crushing roller I15, a crushing roller II 16, a guide block 17, a blanking pipe 18, a grinding box 19, a mounting plate 20, a connecting column 21, a pressing plate 22, a protruding block 23, a fixing plate 24, a motor II 25, a disc 26, a pushing rod 27, a rectangular frame 28, a sleeve 29, an inserted rod 30, a connecting plate 31, a sliding plate 32, a transmission rod 33, a stirring plate 34, a vertical plate 35, a toothed plate 36, a motor III 37 and a preheating device 38.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a preheating device for polysilicon production comprises a base 1, wherein support columns 2 are symmetrically and fixedly connected to the lower side wall of the base 1, a pulley 3 with a foot brake is mounted at the lower end of each support column 2, the mobility of the device is improved, a box body 4 is mounted on the upper side wall of the base 1, a crushing box 5 is arranged in the box body 4, a guide block 17 is fixedly connected to the inner bottom wall of the crushing box 5, a support rod 6 is fixedly connected to the rear side wall of the box body 4, a motor I7 is fixedly connected to the end portion of the support rod 6, a drive end of the motor I7 is fixedly connected with a rotating shaft I8 extending into the crushing box 5, a belt pulley I9 is fixedly sleeved on the outer wall of the rotating shaft I8, a rotating rod 10 located on the right side of the rotating shaft I8 is rotatably connected to the rear side wall of the box body 4, a belt pulley II 11 is fixedly connected to the rear end of the rotating rod 10, and a belt is sleeved on the outer walls of the belt pulley I9 and the belt pulley II 11, a first gear 12 is fixedly sleeved on the outer wall of the rotating rod 10;
the rear side wall of the box body 4 is rotatably connected with a second rotating shaft 13 extending to the inside of the crushing box 5, the outer wall of the second rotating shaft 13 is fixedly sleeved with a second gear 14 meshed with a first gear 12, the front end of the first rotating shaft 8 is fixedly connected with a first crushing roller 15, the front end of the second rotating shaft 13 is fixedly connected with a second crushing roller 16, a blanking pipe 18 is fixedly inserted in the lower side wall of the crushing box 5, a next-time wall fixing rod of the crushing box 5 is connected with a rolling box 19 sleeved outside the blanking pipe 18, the inner wall of the rolling box 19 is slidably connected with a mounting plate 20, the lower side wall of the mounting plate 20 is uniformly and fixedly connected with connecting columns 21, the lower end of each connecting column 21 is fixedly connected with a pressing plate 22, the lower side wall of each pressing plate 22 is fixedly connected with a plurality of bumps 23, the rolling effect is improved, the right side wall of the mounting plate 20 is fixedly connected with a connecting plate 31 extending to the outside of the rolling box 19, and the lower side wall of the rolling box 19 is fixedly connected with a partition plate fixedly connected with the inner wall of the box body 4;
the partition board is provided with a reciprocating mechanism, the reciprocating mechanism comprises a fixing board 24 fixedly connected to the partition board, the left side wall of the fixing board 24 is fixedly connected with a second motor 25, the driving end of the second motor 25 is fixedly connected with a disc 26, the left side wall of the disc 26 is fixedly connected with a resisting rod 27 at a position deviating from the circle center, the upper side wall of the partition board is fixedly connected with a sleeve 29 positioned on the left side of the resisting rod 27, the upper side wall of the sleeve 29 is slidably inserted with an insertion rod 30, the top end of the insertion rod 30 is fixedly connected with a rectangular frame 28 slidably sleeved on the outer wall of the resisting rod 27, the left side wall of the rectangular frame 28 is fixedly connected with the right end of a connecting board 31, the partition board is provided with a stirring mechanism, the stirring mechanism comprises a sliding plate 32 slidably connected to the partition board, the upper side wall of the sliding plate 32 is fixedly connected with a fourth motor, the driving end of the fourth motor is fixedly connected with a transmission rod 33, the right end of the transmission rod 33 is fixedly connected with a stirring board 34, and the upper side wall of the left end of the sliding plate 32 is fixedly connected with a vertical board 35;
a toothed plate 36 is fixedly connected to the left side wall of the vertical plate 35, a support is fixedly connected to the upper side wall of the partition plate, a motor III 37 is fixedly connected to the top end of the support, a gear III meshed with the toothed plate 36 is fixedly connected to the driving end of the motor III 37, a notch matched with the stirring plate 34 is formed in the left side wall of the rolling box 19, a preheating device 38 is arranged on the inner bottom wall of the box body 4, the driving end of the motor I7 drives the rotating shaft I8, the crushing roller I15 and the belt pulley I9 to rotate clockwise, and further drives the belt pulley II 11, the rotating rod 10 and the gear I12 to rotate clockwise, so that the gear 14, the rotating shaft II 13 and the crushing roller II 16 which are meshed with the rotating shaft I rotate anticlockwise, and the rotating directions of the crushing roller I15 and the crushing roller II 16 are opposite, thereby crushing polysilicon more effectively and improving the crushing efficiency;
the second motor 25 is started, the driving end of the second motor 25 drives the disc 26 and the abutting rod 27 to rotate, the rectangular frame 28, the connecting plate 31, the mounting plate 20 and the pressing plate 22 are further driven to move upwards or downwards, the pressing plate 22 reciprocates up and down, polycrystalline silicon is continuously rolled by the pressing plate 22, the polycrystalline silicon is enabled to be fine, and therefore the effect is improved for preheating the polycrystalline silicon, the third motor 37 is started, the driving end of the third motor 37 drives the third gear to rotate clockwise or anticlockwise, the toothed plate 36 is further driven, the sliding plate 32 and the stirring plate 34 move right or left, and the fourth motor drives the stirring plate 34 to rotate, polycrystalline silicon in the rolling box 19 can be reversed, and therefore the rolling effect is improved.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The operating principle of the present invention is now explained as follows:
when the polycrystalline silicon grinding machine works, the first motor 7 is started, the driving end of the first motor 7 drives the first rotating shaft 8, the first grinding roller 15 and the first belt pulley 9 to rotate clockwise, the second belt pulley 11, the rotating rod 10 and the first gear 12 to rotate clockwise, the second gear 14, the second rotating shaft 13 and the second grinding roller 16 which are meshed with the first motor are driven to rotate anticlockwise, the first grinding roller 15 and the second grinding roller 16 rotate in opposite directions, polycrystalline silicon is ground more effectively, grinding efficiency is improved, the second motor 25 is started, the driving end of the second motor 25 drives the disc 26 and the abutting rod 27 to rotate, the rectangular frame 28, the connecting plate 31, the mounting plate 20 and the pressing plate 22 are driven to move upwards or downwards, the pressing plate 22 moves up and down in a reciprocating mode, the pressing plate 22 continuously rolls polycrystalline silicon, the polycrystalline silicon is enabled to be finer, preheating effect is improved, the third motor 37 is started, and the driving end of the third motor 37 drives the third gear to rotate clockwise or anticlockwise, and then drive pinion rack 36, slide 32 and stirring board 34 and move to the right or left to and the motor drives stirring board 34 and rotates, can make the polycrystalline silicon that rolls in the case 19 obtain the reaction, thereby improve the effect of rolling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides a preheating device for polycrystalline silicon production, includes base (1), its characterized in that, box (4) are installed to the last lateral wall of base (1), be provided with crushing case (5) in box (4), the back lateral wall fixedly connected with bracing piece (6) of box (4), the tip fixedly connected with motor (7) of bracing piece (6), the drive end fixedly connected with of motor (7) extends to the inside pivot (8) of crushing case (5), the outer wall fixed cover of pivot (8) is equipped with belt pulley (9), the back lateral wall of box (4) rotates and is connected with bull stick (10) that are located pivot (8) right side, the rear end fixedly connected with belt pulley (11) of bull stick (10), the outer wall common cover of belt pulley (9) and belt pulley (11) is equipped with the belt, the outer wall fixed gear (12) of bull stick (10), the rear side wall of the box body (4) is rotatably connected with a second rotating shaft (13) extending into the crushing box (5);
wherein, the outer wall fixed cover of pivot two (13) is equipped with two (14) of gear (12) engaged with, the front end fixedly connected with crushing roller (15) of pivot one (8), the front end fixedly connected with crushing roller two (16) of pivot two (13), the lower lateral wall of crushing case (5) is fixed to be inserted and is equipped with unloading pipe (18), the next time wall dead lever of crushing case (5) is connected with the grinding case (19) of cover setting in unloading pipe (18) outside, the inner wall sliding connection of grinding case (19) has mounting panel (20), the even fixedly connected with spliced pole (21) of the lower lateral wall of mounting panel (20), every the equal fixedly connected with clamp plate (22) of lower extreme of spliced pole (21), the right side wall fixedly connected with of mounting panel (20) extends to the outside connecting plate (31) of grinding case (19), the lower lateral wall fixedly connected with of grinding case (19) and box (4) inner wall fixedly connected's baffle, the automatic stirring device is characterized in that a reciprocating mechanism is arranged on the partition plate, a stirring mechanism is arranged on the partition plate, and a preheating device (38) is arranged on the inner bottom wall of the box body (4).
2. The preheating device for polycrystalline silicon production according to claim 1, wherein the reciprocating mechanism comprises a fixing plate (24) fixedly connected to a partition plate, a second motor (25) is fixedly connected to the left side wall of the fixing plate (24), a disc (26) is fixedly connected to the driving end of the second motor (25), a resisting rod (27) is fixedly connected to the position, deviating from the center of the circle, of the left side wall of the disc (26), a sleeve (29) located on the left side of the resisting rod (27) is fixedly connected to the upper side wall of the partition plate, an inserting rod (30) is slidably inserted into the upper side wall of the sleeve (29), a rectangular frame (28) slidably sleeved on the outer wall of the resisting rod (27) is fixedly connected to the top end of the inserting rod (30), and the left side wall of the rectangular frame (28) is fixedly connected to the right end of the connecting plate (31).
3. The preheating device for polysilicon production according to claim 1, wherein the stirring mechanism comprises a sliding plate (32) slidably connected to a partition plate, a motor four is fixedly connected to the upper side wall of the sliding plate (32), a driving end of the motor four is fixedly connected with a driving rod (33), a stirring plate (34) is fixedly connected to the right end of the driving rod (33), a vertical plate (35) is fixedly connected to the upper side wall of the left end of the sliding plate (32), a toothed plate (36) is fixedly connected to the left side wall of the vertical plate (35), a bracket is fixedly connected to the upper side wall of the partition plate, a motor three (37) is fixedly connected to the top end of the bracket, and a gear three meshed with the toothed plate (36) is fixedly connected to the driving end of the motor three (37).
4. The preheating device for polysilicon production according to claim 1, wherein support columns (2) are symmetrically and fixedly connected to the lower side wall of the base (1), and a pulley (3) with a foot brake is mounted at the lower end of each support column (2).
5. A preheating device for polysilicon production according to claim 1, wherein a guide block (17) is fixedly connected to the inner bottom wall of the pulverization case (5).
6. A preheating device for polysilicon production according to claim 1, wherein a plurality of projections (23) are fixedly connected to the lower side wall of each of the pressing plates (22).
7. The preheating device for polysilicon production according to claim 3, wherein the left side wall of the grinding box (19) is provided with a notch matched with the stirring plate (34).
CN202210204327.5A 2022-03-03 2022-03-03 Polycrystalline silicon production preheating device Active CN114570506B (en)

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CN114570506B CN114570506B (en) 2023-06-06

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