Industrial silicon refining furnace

Abstract

The utility model provides an industrial silicon refining furnace, and belongs to the technical field of refining furnaces. The industrial silicon refining furnace comprises a lifting frame and a refining furnace assembly, the refining furnace assembly comprises a heating base, a rotating furnace, linear sliding rails, lifting frames and driving motors, the heating base is arranged at the bottom of the lifting frame, and the linear sliding rails, the lifting frames and the driving motors are symmetrically arranged; and one side of the rotary furnace is rotationally connected with the bottom of one lifting frame. The lifting frame, the driving motor and the linear sliding rail are symmetrically arranged, inclination of the rotating furnace can be achieved, feeding is facilitated, refined industrial silicon can be poured out of the rotating furnace conveniently, meanwhile, the rotating furnace is used for rotating, aluminum powder and the industrial silicon can be mixed, heating refining can be directly conducted after mixing, and the production efficiency is improved. And the time and procedures of mixing and then adding into the refining furnace are reduced, so that the refining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of refining furnace, in particular to an industrial silicon refining furnace. BACKGROUND

[0002] Industrial silicon refining dephosphorization is widely used in the fields of semiconductor, solar cell manufacturing and the like, but the phosphorus contained therein will affect the performance of devices. Therefore, dephosphorization is needed when producing industrial silicon. Industrial silicon refining dephosphorization is a common dephosphorization method, and the principle thereof is to use aluminum to chemically react with phosphorus in the production of industrial silicon, so as to achieve the purpose of dephosphorization. The specific implementation process is to mix aluminum powder with industrial silicon and then heat, aluminum and phosphorus chemically react to generate aluminum phosphide AIP, AIP is quickly decomposed in the melt, and aluminum and phosphorus float upwards and downwards respectively until the surface of the melt, and then separation and removal can be performed, so as to achieve the purpose of dephosphorization.

[0003] Therefore, a refining furnace will be used, but many times aluminum powder needs to be mixed with industrial silicon and then placed into the refining furnace for refining, and many refining furnaces are statically arranged, and it is not convenient to mix aluminum powder with industrial silicon again during the refining process, which increases the process and reduces the refining efficiency. CONTENT OF THE INVENTION

[0004] In order to make up for the above shortcomings, the present application provides an industrial silicon refining furnace, which aims to improve the problem that aluminum powder needs to be mixed with industrial silicon and then placed into the refining furnace for refining many times, and many refining furnaces are statically arranged, which is not convenient to mix aluminum powder with industrial silicon again during the refining process, increases the process and reduces the refining efficiency.

[0005] The embodiment of the present application provides an industrial silicon refining furnace, which comprises a lifting frame and a refining furnace assembly, the refining furnace assembly comprises a heating base, a rotating furnace, a linear slide rail, a lifting frame and a driving motor, the heating base is arranged at the bottom of the lifting frame, the linear slide rail, the lifting frame and the driving motor are symmetrically arranged, one side of the rotating furnace is rotationally connected with the bottom of one lifting frame, the other side of the rotating furnace is rotationally connected with the bottom of the other lifting frame, the linear slide rail is arranged on the upper part of the lifting frame, the lifting frame is slidably connected with the sliding end of the linear slide rail, the driving motor is fixedly connected with the sliding end of the linear slide rail, and the output end of the driving motor is in transmission connection with the lifting frame.

[0006] In a specific embodiment, the lifting frame comprises a telescopic piece, a first frame body, a second frame body and a base plate, the heating base is fixedly connected to the upper portion of the base plate, the bottom of the second frame body is fixedly connected to the upper portion of the base plate, the bottom of the first frame body is slidingly connected to the inner upper side of the second frame body, the end of the telescopic piece is fixedly connected to one side of the second frame body, the output end of the telescopic piece is fixedly connected to the first frame body, and the linear slide rail is arranged on the upper portion of the first frame body.

[0007] In a specific embodiment, the rotary furnace comprises a first motor, a furnace body and a sleeve, the first motor is fixedly connected to the sleeve, the furnace body is rotationally connected to the sleeve, the sleeve is rotationally connected to the lifting frame, and the output end of the first motor is drivingly connected to the furnace body.

[0008] In a specific embodiment, the output end of the first motor is provided with a first gear, and the furnace body is provided with a gear ring, and the first gear is meshingly connected to the gear ring.

[0009] In a specific embodiment, the furnace body is internally provided with a mixing plate, and a plurality of mixing plates are arranged at intervals.

[0010] In a specific embodiment, the linear slide rail comprises a second motor, a lead screw and a sliding carriage, the sliding carriage is slidingly connected to the upper portion of the first frame body, the lifting frame is slidingly connected to the sliding carriage, the lead screw is rotationally connected to the upper portion of the first frame body, the lead screw is threadedly connected to the sliding carriage, the second motor is fixedly connected to the first frame body, the output end of the second motor is fixedly connected to one end of the lead screw, and the driving motor is fixedly connected to the sliding carriage.

[0011] In a specific embodiment, the sliding carriage is symmetrically provided with a limiting frame, and the limiting frame is slidingly connected to the lifting frame.

[0012] In a specific embodiment, the output end of the driving motor is provided with a gear set, one side of the gear set is provided with a transmission shaft, the transmission shaft is symmetrically provided with a second gear, the transmission shaft is provided with a third gear in the middle portion, the lifting frame is provided with a rack, the gear set is meshingly connected to the third gear, and the second gear is meshingly connected to the rack.

[0013] Beneficial effects: the application provides an industrial silicon refining furnace, in use, the sliding ends of the two linear sliding rails move simultaneously in one direction, the two lifting frames and the driving motors are moved, the two lifting frames can move up and down separately under the action of the output ends of the two driving motors, therefore, one lifting frame can be high and the other lifting frame can be low in different use cases, at this time, the rotary furnace is in an inclined state, the aluminum powder and the industrial silicon can be placed in the rotary furnace in proportion, the rotary furnace is rotated to mix the aluminum powder and the industrial silicon, after mixing, the two lifting frames are used in cooperation to make the rotary furnace stand straight, and under the movement of the sliding ends of the two linear sliding rails, the rotary furnace is moved above the heating base, at this time, the output ends of the two driving motors drive the two lifting frames to descend, the rotary furnace is placed on the upper part of the heating base to heat the mixed aluminum powder and industrial silicon and refine the industrial silicon, after refining, the two lifting frames are lifted under the action of the output ends of the two driving motors, and under the movement of the sliding ends of the two linear sliding rails, the rotary furnace is moved, then one lifting frame is high and the other lifting frame is low, the rotary furnace can be gradually inclined until the aluminum powder and the industrial silicon in the rotary furnace are poured out, in the whole use process, the lifting frame, the driving motor and the linear sliding rail are symmetrically arranged, the inclination of the rotary furnace can be realized, which is convenient for feeding and pouring out the refined industrial silicon from the rotary furnace, at the same time, the rotary furnace is rotated to mix the aluminum powder and the industrial silicon, after mixing, the aluminum powder and the industrial silicon can be directly heated and refined, the time and process of mixing first and then adding to the refining furnace are reduced, so that the refining efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0015] Figure 1 is a schematic diagram of the structure of the industrial silicon refining furnace provided by the embodiments of the application;

[0016] Figure 2 is a schematic diagram of part of the lifting frame provided by the embodiments of the application;

[0017] Figure 3 is a schematic diagram of part of the rotary furnace provided by the embodiments of the application;

[0018] Figure 4Part structure schematic diagram of the straight line sliding rail, driving motor and lifting frame provided by the embodiment of the present application.

[0019] In the figure: 100-lifting frame; 110-telescopic piece; 120-first frame body; 130-second frame body; 140-pad plate; 200-refining furnace assembly; 210-heating base; 220-rotary furnace; 221-first motor; 222-furnace body; 223-outer sleeve; 224-first gear; 225-gear ring; 226-mixing plate; 230-straight line sliding rail; 231-second motor; 232-screw; 233-sliding frame; 235-limiting frame; 240-lifting frame; 241-rack; 250-driving motor; 251-gear set; 252-transmission shaft; 253-second gear; 254-third gear. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0021] Please refer to Figure 1 The present application provides an industrial silicon refining furnace, which comprises a lifting frame 100 and a refining furnace assembly 200.

[0022] Please refer to Figures 1-4 The refining furnace assembly 200 comprises a heating base 210, a rotary furnace 220, a straight line sliding rail 230, a lifting frame 240 and a driving motor 250. The heating base 210 is arranged at the bottom of the lifting frame 100. The straight line sliding rail 230, the lifting frame 240 and the driving motor 250 are symmetrically arranged. One side of the rotary furnace 220 is rotatably connected to the bottom of one lifting frame 240, and the other side of the rotary furnace 220 is rotatably connected to the bottom of the other lifting frame 240. The straight line sliding rail 230 is arranged at the upper part of the lifting frame 100. The lifting frame 240 is slidably connected to the sliding end of the straight line sliding rail 230. The driving motor 250 is fixedly connected to the sliding end of the straight line sliding rail 230. The output end of the driving motor 250 is in transmission connection with the lifting frame 240. The lifting frame 100 comprises a telescopic piece 110, a first frame body 120, a second frame body 130 and a pad plate 140. The heating base 210 is fixedly connected to the upper part of the pad plate 140. The bottom of the second frame body 130 is fixedly connected to the upper part of the pad plate 140. The bottom of the first frame body 120 is slidably connected to the inner upper side of the second frame body 130. The end of the telescopic piece 110 is fixedly connected to one side of the second frame body 130. The output end of the telescopic piece 110 is fixedly connected to the first frame body 120. The straight line sliding rail 230 is arranged at the upper part of the first frame body 120. The rotary furnace 220 comprises a first motor 221, a furnace body 222 and an outer sleeve 223. The first motor 221 is fixedly connected to the outer sleeve 223. The furnace body 222 is rotatably connected to the outer sleeve 223. The outer sleeve 223 is rotatably connected to the lifting frame 240. The output end of the first motor 221 is in transmission connection with the furnace body 222.

[0023] The first motor 221 is provided with a first gear 224 at the output end, the furnace body 222 is provided with a gear ring 225, the first gear 224 is connected in meshing with the gear ring 225, the inside of the furnace body 222 is provided with a mixing plate 226, a plurality of mixing plates 226 are provided at intervals, the straight line slide rail 230 comprises a second motor 231, a lead screw 232 and a sliding frame 233, the sliding frame 233 is connected in sliding with the upper portion of the first frame body 120, a lifting frame 240 is connected in sliding with the sliding frame 233, the lead screw 232 is connected in rotation with the upper portion of the first frame body 120, the lead screw 232 is connected in screwing with the sliding frame 233, the second motor 231 is fixedly connected with the first frame body 120, the output end of the second motor 231 is fixedly connected with one end of the lead screw 232, a driving motor 250 is fixedly connected with the sliding frame 233, the sliding frame 233 is provided with a limiting frame 235 symmetrically, the limiting frame 235 is connected in sliding with the lifting frame 240, the output end of the driving motor 250 is provided with a gear set 251, one side of the gear set 251 is provided with a transmission shaft 252, the transmission shaft 252 is provided with a second gear 253 symmetrically, the transmission shaft 252 is provided with a third gear 254 at the middle portion, the lifting frame 240 is provided with a rack 241, the gear set 251 is connected in meshing with the third gear 254, the second gear 253 is connected in meshing with the rack 241.

[0024] The working principle of the industrial silicon refining furnace is as follows: in use, the sliding ends of the two linear sliding rails 230 are simultaneously moved in one direction to move the two lifting frames 240 and the driving motors 250, the two lifting frames 240 move the rotary furnace 220 to one side above the heating base 210, and the two lifting frames 240 can be independently moved up and down under the action of the output ends of the two driving motors 250; when one lifting frame 240 is high and the other lifting frame 240 is low, the furnace body 222 is in an inclined state, and the aluminum powder and the industrial silicon can be placed in the furnace body 222 in a proportioned manner; the output end of the first motor 221 drives the furnace body 222 to rotate to mix the aluminum powder and the industrial silicon; after mixing, the output end of the driving motor 250 drives the lifting frame 240 to lift to straighten the furnace body 222, and the furnace body 222 is moved above the heating base 210 under the movement of the sliding ends of the two linear sliding rails 230; at this time, the output ends of the two driving motors 250 drive the two lifting frames 240 to descend to place the furnace body 222 on the upper part of the heating base 210 to heat the mixed aluminum powder and industrial silicon and refine the industrial silicon; after refining, the two lifting frames 240 are lifted under the action of the output ends of the two driving motors 250, and the furnace body 222 is moved under the movement of the sliding ends of the two linear sliding rails 230, so that one lifting frame 240 is high and the other lifting frame 240 is low, and the furnace body 222 is gradually inclined until the aluminum powder and the industrial silicon in the furnace body 222 are poured out; in the whole use process, the lifting frame 240, the driving motor 250 and the linear sliding rail 230 are symmetrically arranged, the inclination of the furnace body 222 can be realized, the feeding is facilitated, and the refined industrial silicon can be poured out of the furnace body 222, the output end of the first motor 221 drives the furnace body 222 to rotate to mix the aluminum powder and the industrial silicon, the mixed aluminum powder and industrial silicon can be directly heated and refined after mixing, the time and process of mixing and then adding to the refining furnace are reduced, and the refining efficiency is improved.

[0025] The above merely provides an embodiment of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. An industrial silicon refining furnace, characterized in that, include Lifting frame (100); A refining furnace assembly (200) includes a heating base (210), a rotary furnace (220), a linear slide rail (230), a lifting frame (240), and a drive motor (250). The heating base (210) is located at the bottom of the lifting frame (100). The linear slide rail (230), the lifting frame (240), and the drive motor (250) are symmetrically arranged. One side of the rotary furnace (220) is adjacent to one of the lifting frames (250). 40) Bottom rotational connection, the other side of the rotary furnace (220) is rotatably connected to the bottom of another lifting frame (240), the linear slide rail (230) is set on the upper part of the lifting frame (100), the lifting frame (240) is slidably connected to the sliding end of the linear slide rail (230), the drive motor (250) is fixedly connected to the sliding end of the linear slide rail (230), and the output end of the drive motor (250) is connected to the lifting frame (240) for transmission.

2. The industrial silicon refining furnace according to claim 1, characterized in that, The lifting frame (100) includes a telescopic component (110), a first frame (120), a second frame (130), and a pad (140). The heating base (210) is fixedly connected to the upper part of the pad (140). The bottom of the second frame (130) is fixedly connected to the upper part of the pad (140). The bottom of the first frame (120) is slidably connected to the upper interior of the second frame (130). The end of the telescopic component (110) is fixedly connected to one side of the second frame (130). The output end of the telescopic component (110) is fixedly connected to the first frame (120). The linear slide rail (230) is arranged on the upper part of the first frame (120).

3. The industrial silicon refining furnace according to claim 1, characterized in that, The rotary furnace (220) includes a first motor (221), a furnace body (222), and an outer casing (223). The first motor (221) is fixedly connected to the outer casing (223), the furnace body (222) is rotatably connected to the outer casing (223), the outer casing (223) is rotatably connected to the lifting frame (240), and the output end of the first motor (221) is drivenly connected to the furnace body (222).

4. An industrial silicon refining furnace according to claim 3, characterized in that, The first motor (221) is provided with a first gear (224) at its output end, and the furnace body (222) is provided with a gear ring (225). The first gear (224) is meshed with the gear ring (225).

5. An industrial silicon refining furnace according to claim 3, characterized in that, The furnace body (222) is provided with a mixing plate (226) inside, and multiple mixing plates (226) are arranged at intervals.

6. An industrial silicon refining furnace according to claim 2, characterized in that, The linear slide rail (230) includes a second motor (231), a lead screw (232), and a carriage (233). The carriage (233) is slidably connected to the upper part of the first frame (120), the lifting frame (240) is slidably connected to the carriage (233), the lead screw (232) is rotatably connected to the upper part of the first frame (120), and the lead screw (232) is threadedly connected to the carriage (233). The second motor (231) is fixedly connected to the first frame (120), and the output end of the second motor (231) is fixedly connected to one end of the lead screw (232). The drive motor (250) is fixedly connected to the carriage (233).

7. An industrial silicon refining furnace according to claim 6, characterized in that, The slide (233) is symmetrically provided with limit frames (235), and the limit frames (235) are slidably connected to the lifting frame (240).

8. An industrial silicon refining furnace according to claim 1, characterized in that, The output end of the drive motor (250) is provided with a gear set (251), a transmission shaft (252) is provided on one side of the gear set (251), a second gear (253) is symmetrically arranged on the transmission shaft (252), a third gear (254) is provided in the middle of the transmission shaft (252), the lifting frame (240) is provided with a rack (241), the gear set (251) is meshed with the third gear (254), and the second gear (253) is meshed with the rack (241).

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