CN219897750U

CN219897750U - Quartz sand mixing device for polycrystalline silicon production and processing

Info

Publication number: CN219897750U
Application number: CN202321130154.3U
Authority: CN
Inventors: 张又红
Original assignee: Qichun Kaidi Mine Material Co ltd
Current assignee: Qichun Kaidi Mine Material Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-10-27
Anticipated expiration: 2033-05-11

Abstract

The utility model relates to the technical field of polysilicon production, in particular to a quartz sand mixing device for polysilicon production and processing, which comprises a box body, wherein the upper end of the inside of the box body is fixedly connected with a baffle plate, the center of the top of the baffle plate is rotationally connected with a discharging barrel, the bottom end of the discharging barrel penetrates through and extends to the lower part of the baffle plate, the top of the box body is provided with a driving mechanism, the bottom of the box body is provided with a stirring mechanism, one end of the stirring mechanism penetrates through and extends to the inside of the box body, and the left side and the right side of the top of the box body, which are positioned on the driving mechanism, are communicated with a charging hopper. This quartz sand mixing arrangement is used in polycrystalline silicon production and processing, through the feed mechanism who sets up, when using, can be even throw into the device with the required quartz sand of polycrystalline silicon production and charcoal, the emergence of the raw materials accumulation condition that appears when having avoided the raw materials to directly throw into has realized the purpose of even material loading, helps promoting the mixing efficiency of raw materials.

Description

Quartz sand mixing device for polycrystalline silicon production and processing

Technical Field

The utility model relates to the technical field of polysilicon production, in particular to a quartz sand mixing device for polysilicon production and processing.

Background

Polysilicon, a form of elemental silicon; when the melted elemental silicon solidifies under supercooling conditions, the silicon atoms are arranged in the form of diamond lattices to form a plurality of crystal nuclei, and if the crystal nuclei grow into crystal grains with different crystal face orientations, the crystal grains are combined to form polycrystalline silicon, and when the polycrystalline silicon is produced and processed, quartz sand and charcoal are generally mixed by using a mixing device and then heated in an arc furnace to form industrial silicon.

Chinese patent 201821226902.7 proposes a quartz sand mixing arrangement for polycrystalline silicon production and processing, through the cooperation of first gear motor, second gear motor, connecting axle and pinch roller, can pulverize quartz sand and charcoal that get into the feeder hopper, reduce quartz sand and charcoal's volume, improved quartz sand and charcoal's reaction efficiency in the electric arc furnace, wherein, the raw materials directly enter into stirring district after pulverizing from the feeder hopper, the circumstances that raw materials pile up can appear, the mixing efficiency of raw materials has been reduced, so a quartz sand mixing arrangement for polycrystalline silicon production and processing is proposed and is solved above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the quartz sand mixing device for producing and processing the polysilicon, which has the advantages of uniform feeding and the like, and solves the problems that raw materials are directly crushed from a feed hopper and enter a stirring area, the raw materials are accumulated, and the mixing efficiency of the raw materials is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quartz sand mixing arrangement is used in polycrystalline silicon production and processing, includes the box, the inside upper end fixedly connected with baffle of box, the top center of baffle rotates and is connected with the feed cylinder down, the bottom of feed cylinder runs through and extends to the baffle below, the top of box is provided with actuating mechanism, the bottom of box is provided with one end and runs through and extend to the inside rabbling mechanism of box, the top of box just is located actuating mechanism's the left and right sides and all communicates there is the loading hopper, be provided with the feed mechanism of even material loading on the loading hopper.

Further, actuating mechanism includes motor casing, first motor, dwang and connecting rod, the top center fixedly connected with motor casing of box, the interior roof fixed mounting of motor casing has first motor, the output fixedly connected with dwang of first motor, the bottom of dwang runs through and extends to inside the box, the bottom periphery wall fixed mounting of dwang has one end and unloading barrel inner wall fixed connection's connecting rod, the quantity of connecting rod is three, three the connecting rod equidistance distributes at the periphery wall of dwang.

Further, feed mechanism includes driving gear, axis of rotation, driven gear, first disc, second disc, swash plate, flitch and unloading hole, the peripheral wall fixed mounting of unloading section of thick bamboo has the driving gear, the axis of rotation is all installed in the end is all rotated about the top of baffle, the peripheral wall fixedly connected with driven gear of axis of rotation, the driving gear meshes with driven gear mutually, the top of axis of rotation runs through and extends to the loading hopper inside, the top fixedly connected with first disc of axis of rotation, the inside of loading hopper just is located the top fixed mounting of first disc has the second disc, the unloading hole has all been seted up at the top of first disc and second disc, the top fixedly connected with swash plate of second disc, the bottom fixed mounting of loading hopper has one end to extend to the inside unloading board of unloading section of thick bamboo, the top of unloading board runs through the loading hopper and contacts with first disc, the unloading hole has all been seted up to one side that the bottom of loading hopper just is located the unloading board is relative.

Further, rabbling mechanism includes motor cover, second motor, puddler, installation cover, installation pole, stirring vane, nut and flexible cover, the bottom fixed mounting of box has the motor cover, the interior bottom wall fixed mounting of motor cover has the second motor, the output fixed mounting of second motor has one end to run through and extends to the inside puddler of box, the periphery wall fixedly connected with installation cover of puddler, the one end that the puddler was kept away from to the installation cover is pegged graft has the installation pole, the one end fixedly connected with stirring vane that the installation cover was kept away from to the installation pole, the peripheral wall threaded connection of installation cover has the nut, the telescopic cover has been cup jointed to the peripheral wall of installation pole.

Further, the periphery wall of the installation sleeve is provided with a thread groove which is matched with the screw cap, the periphery wall of the installation sleeve is provided with a notch, and the front surface of the screw cap is fixedly provided with a handle.

Further, the interior bottom wall fixed mounting of box has the flitch, the flitch cup joints the peripheral wall at the puddler, the flitch is from right left slope, the left side fixed mounting of box has one end to run through the box and extend the discharging pipe of flitch top, the peripheral wall of discharging pipe is provided with the bleeder valve.

Further, an observation window is embedded in the front face of the box body.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this quartz sand mixing arrangement is used in polycrystalline silicon production and processing, through the feed mechanism who sets up, when using, can be even throw into the device with the required quartz sand of polycrystalline silicon production and charcoal, the emergence of the raw materials accumulation condition that appears when having avoided the raw materials to directly throw into has realized the purpose of even material loading, helps promoting the mixing efficiency of raw materials.

2. This quartz sand mixing arrangement is used in polycrystalline silicon production and processing through the rabbling mechanism that sets up, can convenient and fast dismantle stirring vane and examine and repair the maintenance, has made things convenient for user's use, has promoted the maintenance efficiency of device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic diagram of the connection relationship between a first disc and a second disc according to the present utility model;

FIG. 4 is an enlarged view of the utility model at B in FIG. 1;

fig. 5 is a front view of the present utility model.

In the figure: 1 box, 11 flitch, 12 observation window, 2 baffles, 3 feed cylinder, 4 actuating mechanism, 41 motor casing, 42 first motor, 43 dwang, 44 connecting rod, 5 feed mechanism, 51 driving gear, 52 axis of rotation, 53 driven gear, 54 first disc, 55 second disc, 56 swash plate, 57 flitch, 58 blanking hole, 6 rabbling mechanism, 61 motor cover, 62 second motor, 63 puddler, 64 installation cover, 641 breach, 642 screw thread groove, 65 installation pole, 66 stirring vane, 67 nut, 68 telescopic cover, 7 loading hopper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the quartz sand mixing device for producing and processing polysilicon in this embodiment includes a box 1, a partition board 2 is fixedly connected to the upper end of the interior of the box 1, a discharging barrel 3 is rotatably connected to the center of the top of the partition board 2, the bottom end of the discharging barrel 3 penetrates through and extends to the lower side of the partition board 2, a driving mechanism 4 is arranged at the top of the box 1, a stirring mechanism 6 with one end penetrating through and extending to the interior of the box 1 is arranged at the bottom of the box 1, a hopper 7 is communicated with the top of the box 1 and positioned at the left side and the right side of the driving mechanism 4, and a feeding mechanism 5 for uniform feeding is arranged on the hopper 7.

In this embodiment, the driving mechanism 4 includes a motor casing 41, a first motor 42, a rotating rod 43 and a connecting rod 44, the center of the top of the box 1 is fixedly connected with the motor casing 41, the inner top wall of the motor casing 41 is fixedly provided with the first motor 42, the output end of the first motor 42 is fixedly connected with the rotating rod 43, the bottom end of the rotating rod 43 penetrates through and extends into the box 1, the outer peripheral wall of the bottom end of the rotating rod 43 is fixedly provided with the connecting rods 44, one end of each connecting rod 44 is fixedly connected with the inner wall of the blanking barrel 3, the number of the connecting rods 44 is three, and the three connecting rods 44 are equidistantly distributed on the outer peripheral wall of the rotating rod 43;

the feeding mechanism 5 comprises a driving gear 51, a rotating shaft 52, a driven gear 53, a first disc 54, a second disc 55, a sloping plate 56, a blanking plate 57 and a blanking hole 58, wherein the driving gear 51 is fixedly arranged on the peripheral wall of the blanking barrel 3, the rotating shaft 52 is rotatably arranged at the left end and the right end of the top of the partition plate 2, the driven gear 53 is fixedly connected with the peripheral wall of the rotating shaft 52, the driving gear 51 is meshed with the driven gear 53, the top end of the rotating shaft 52 penetrates through and extends into the hopper 7, the top end of the rotating shaft 52 is fixedly connected with the first disc 54, the blanking hole 58 is formed in the hopper 7 and above the first disc 54, the sloping plate 56 is fixedly connected with the top of the first disc 54 and the top of the second disc 55, the blanking plate 57 is fixedly arranged at the bottom of the hopper 7, one end of the blanking plate 57 extends into the blanking barrel 3, and the top end of the blanking plate 57 penetrates through the hopper 7 and contacts with the first disc 54, and the discharging hole is formed in one side opposite to the blanking plate 57.

Specifically, quartz sand and charcoal are respectively put into the hoppers 7 on two sides, the first motor 42 is started to drive the blanking barrel 3 on the rotating rod 43 to rotate, the blanking barrel 3 drives the driving gear 51 to rotate, the driving gear 51 transmits power to the driven gear 53, the driven gear 53 drives the first disc 54 on the rotating shaft 52 to rotate, and when the blanking holes 58 on the first disc 54 coincide with the blanking holes 58 on the second disc 55, raw materials in the hoppers 7 on two sides can be guided into the blanking barrel 3 through the blanking plates 57 along the blanking holes 58, so that the quartz sand and charcoal raw materials can be uniformly added into a stirring area in the box body 1, and the raw materials can be conveniently mixed in a subsequent stirring mode.

In this embodiment, the stirring mechanism 6 includes a motor cover 61, a second motor 62, a stirring rod 63, a mounting sleeve 64, a mounting rod 65, stirring blades 66, a nut 67 and a telescopic sleeve 68, the bottom of the box 1 is fixedly provided with the motor cover 61, the inner bottom wall of the motor cover 61 is fixedly provided with the second motor 62, the output end of the second motor 62 is fixedly provided with the stirring rod 63, one end of the stirring rod 63 penetrates through and extends into the box 1, the outer peripheral wall of the stirring rod 63 is fixedly connected with the mounting sleeve 64, one end of the mounting sleeve 64, far from the stirring rod 63, is inserted with the mounting rod 65, one end of the mounting rod 65, far from the mounting sleeve 64, is fixedly connected with the stirring blades 66, the outer peripheral wall of the mounting sleeve 64 is in threaded connection with the nut 67, and the outer peripheral wall of the mounting rod 65 is sleeved with the telescopic sleeve 68;

the outer peripheral wall of the mounting sleeve 64 is provided with a thread groove 642, the thread groove 642 is matched with the nut 67, the outer peripheral wall of the mounting sleeve 64 is provided with a notch 641, and the front surface of the nut 67 is fixedly provided with a handle.

Specifically, the second motor 62 is started to rotate with the stirring rod 63, and the stirring rod 63 drives the stirring vane 66 to perform the mixing operation of the raw materials; after the stirring vane 66 is used for a period of time, the telescopic sleeve 68 can be pulled out, the nut 67 is unscrewed to release the fixed state of the mounting rod 65, the stirring vane 66 is pulled out to enable the mounting rod 65 to be separated from the mounting sleeve 64, and therefore the disassembly of the stirring vane 66 can be completed conveniently, and a user can maintain the stirring vane 66 conveniently.

In this embodiment, the interior bottom wall fixed mounting of box 1 has discharge plate 11, and the front of box 1 inlays and is equipped with observation window 12, and discharge plate 11 cup joints at puddler 63's peripheral wall, and discharge plate 11 is from right left slope, and box 1's left side fixed mounting has one end to run through box 1 and extend the discharging pipe of discharge plate 11 top, and the peripheral wall of discharging pipe is provided with the bleeder valve.

Specifically, the observation window 12 is arranged to facilitate the user to check the mixing condition of the raw materials in the box body 1; and the discharging valve is opened, and the mixed materials in the box body 1 can enter the discharging pipe from the discharging plate 11 to perform discharging operation of the materials.

The working principle of the embodiment is as follows:

(1) Respectively throwing quartz sand and charcoal into the hoppers 7 on two sides, starting the first motor 42 to drive the blanking cylinder 3 on the rotating rod 43 to rotate, driving the driving gear 51 to rotate by the blanking cylinder 3, transmitting power to the driven gear 53 by the driving gear 51, rotating the driven gear 53 by the first disc 54 on the rotating shaft 52, and leading raw materials in the hoppers 7 on two sides into the blanking cylinder 3 through the blanking plate 57 along the blanking holes 58 when the blanking holes 58 on the first disc 54 are overlapped with the blanking holes 58 on the second disc 55, wherein the raw materials fall on the bottom of the box body 1 along with gravity;

(2) The second motor 62 is started to drive the stirring rod 63 to rotate, the stirring rod 63 drives the stirring blade 66 to perform the mixing operation of the raw materials, and the observation window 12 is formed so that a user can conveniently check the mixing condition of the raw materials in the box body 1;

(3) After the raw materials are mixed, a discharge valve can be opened, and the mixed materials in the box body 1 can enter a discharge pipe from a discharge plate 11 to perform the discharge operation of the materials;

(4) After the stirring vane 66 is used for a period of time, the telescopic sleeve 68 can be pulled out, the nut 67 is unscrewed to release the fixed state of the mounting rod 65, the stirring vane 66 is pulled out to enable the mounting rod 65 to be separated from the mounting sleeve 64, and therefore the disassembly of the stirring vane 66 can be completed conveniently, and a user can maintain the stirring vane 66 conveniently.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quartz sand mixing arrangement is used in polycrystalline silicon production and processing, includes box (1), the inside upper end fixedly connected with baffle (2) of box (1), the top center of baffle (2) rotates and is connected with feed cylinder (3) down, the bottom of feed cylinder (3) runs through and extends to baffle (2) below, the top of box (1) is provided with actuating mechanism (4), the bottom of box (1) is provided with one end and runs through and extends to inside rabbling mechanism (6) of box (1), the top of box (1) just is located the left and right sides of actuating mechanism (4) and all communicates there is loading hopper (7), its characterized in that: and a feeding mechanism (5) for uniformly feeding is arranged on the feeding hopper (7).

2. The quartz sand mixing device for producing and processing polysilicon according to claim 1, wherein: the driving mechanism (4) comprises a motor casing (41), a first motor (42), a rotating rod (43) and a connecting rod (44), wherein the motor casing (41) is fixedly connected to the center of the top of the box body (1), the first motor (42) is fixedly arranged on the inner top wall of the motor casing (41), the rotating rod (43) is fixedly connected to the output end of the first motor (42), the bottom end of the rotating rod (43) penetrates through and extends into the box body (1), one end of the connecting rod (44) fixedly connected with the inner wall of the blanking barrel (3) is fixedly arranged on the outer peripheral wall of the bottom end of the rotating rod (43), and the connecting rods (44) are three in number and distributed on the outer peripheral wall of the rotating rod (43) at equal distances.

3. The quartz sand mixing device for producing and processing polysilicon according to claim 1, wherein: the feeding mechanism (5) comprises a driving gear (51), a rotating shaft (52), a driven gear (53), a first disc (54), a second disc (55), an inclined plate (56), a blanking plate (57) and a blanking hole (58), wherein the driving gear (51) is fixedly installed on the peripheral wall of the blanking cylinder (3), the rotating shaft (52) is rotatably installed at the left end and the right end of the top of the partition plate (2), the driven gear (53) is fixedly connected with the peripheral wall of the rotating shaft (52), the driving gear (51) is meshed with the driven gear (53), the top end of the rotating shaft (52) penetrates through and extends into the feeding hopper (7), the first disc (54) is fixedly connected with the top end of the rotating shaft (52), the second disc (55) is fixedly installed in the hopper (7) and above the first disc (54), the blanking hole (58) is formed in the top of the first disc (54) and the top of the second disc (55), the top of the second disc (55) is fixedly connected with the driven gear (53), the top of the first disc (56) penetrates through and extends into the feeding hopper (7) and is in contact with the top end (57) of the blanking plate (7), discharge holes are formed in the bottom of the charging hopper (7) and on one side, opposite to the discharging plate (57), of the charging hopper.

4. The quartz sand mixing device for producing and processing polysilicon according to claim 1, wherein: the stirring mechanism (6) comprises a motor cover (61), a second motor (62), a stirring rod (63), a mounting sleeve (64), a mounting rod (65), stirring blades (66), a screw cap (67) and a telescopic sleeve (68), wherein the motor cover (61) is fixedly arranged at the bottom of the box body (1), the second motor (62) is fixedly arranged at the inner bottom wall of the motor cover (61), one end of the output end of the second motor (62) penetrates through and extends to the stirring rod (63) inside the box body (1), the mounting sleeve (64) is fixedly connected with the outer peripheral wall of the stirring rod (63), one end of the mounting sleeve (64) far away from the stirring rod (65) is inserted and connected with the mounting rod (65), one end of the mounting rod (65) far away from the mounting sleeve (64) is fixedly connected with the stirring blades (66), the screw cap (67) is connected with the outer peripheral wall of the mounting rod (65) in a threaded manner, and the telescopic sleeve (68) is sleeved on the outer peripheral wall of the mounting rod (65).

5. The quartz sand mixing device for producing and processing polysilicon according to claim 4, wherein: the outer peripheral wall of the mounting sleeve (64) is provided with a thread groove (642), the thread groove (642) is matched with a screw cap (67), the outer peripheral wall of the mounting sleeve (64) is provided with a notch (641), and the front surface of the screw cap (67) is fixedly provided with a handle.

6. The quartz sand mixing device for producing and processing polysilicon according to claim 4, wherein: the utility model discloses a stirring device for the concrete of a mixer, including box (1), discharge plate (11) are installed to interior bottom wall fixed mounting of box (1), discharge plate (11) cup joint the periphery wall at puddler (63), discharge plate (11) incline left from the right, the left side fixed mounting of box (1) has one end to run through box (1) and extend the discharging pipe of discharge plate (11) top, the periphery wall of discharging pipe is provided with the bleeder valve.

7. The quartz sand mixing device for producing and processing polysilicon according to claim 1, wherein: an observation window (12) is embedded in the front face of the box body (1).