CN218076920U

CN218076920U - Powder recovery device for polycrystalline silicon processing

Info

Publication number: CN218076920U
Application number: CN202221745144.6U
Authority: CN
Inventors: 谭德军
Original assignee: Wuhan Hongao Green Energy Engineering Co ltd
Current assignee: Wuhan Hongao Green Energy Engineering Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-12-20
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a powder recovery device for polysilicon processing, which comprises a recovery box, wherein a lifting disassembly mechanism is arranged inside the recovery box; including the filter screen of sliding connection between the collection box inner wall among the lift disassembly body, the bottom of collection box inner wall is rotated and is connected with the threaded rod, the surface threaded connection of threaded rod has the standpipe, the inside of standpipe and extension to the standpipe is run through on the top of threaded rod, the first bevel gear of fixed surface of threaded rod is connected with, the front side rotation of collection box is connected with the bull stick, the rear end of bull stick runs through the collection box and extends to the inside of collection box, the rear end fixedly connected with second bevel gear of bull stick, the utility model relates to a polycrystalline silicon processing technology field. This powder recovery unit of polycrystalline silicon processing usefulness through the setting of lift disassembly body, has realized the lift and quick assembly disassembly to the filter screen, and the convenience is further washd the filter screen, and the practicality is very strong.

Description

Powder recovery device for polycrystalline silicon processing

Technical Field

The utility model relates to a polycrystalline silicon processing technology field specifically is a powder recovery unit of polycrystalline silicon processing usefulness.

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.

A large amount of powder can be produced in the polycrystalline silicon processing process, the powder is directly discharged into the air, waste is caused, and pollution is caused to the air environment.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a powder recovery device for polysilicon processing, which solves the problem that the filter screen is troublesome to disassemble and clean.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a powder recovery device for processing polycrystalline silicon comprises a recovery box, wherein a lifting and dismounting mechanism is arranged inside the recovery box; the filter screen comprises a filter screen and a lifting dismounting mechanism, wherein the filter screen is connected between the inner walls of a recovery box in a sliding mode, a threaded rod is connected to the bottom of the inner wall of the recovery box in a rotating mode, a vertical pipe is connected to the outer surface of the threaded rod in a threaded mode, the top end of the threaded rod penetrates through the vertical pipe and extends to the inside of the vertical pipe, a first bevel gear is fixedly connected to the outer surface of the threaded rod, a rotating rod is connected to the front side of the recovery box in a rotating mode, the rear end of the rotating rod penetrates through the recovery box and extends to the inside of the recovery box, a second bevel gear is fixedly connected to the rear end of the rotating rod, the first bevel gear is meshed with the second bevel gear, a rotating handle is fixedly connected to the front end of the rotating rod, L-shaped rods are fixedly connected to the front side, the rear side, the left side, the right side and the front side of the top of the filter screen are all penetrated through the through grooves and extend to the tops of the through grooves, a fixed block is fixedly connected to the front side, four inserting rods are all slidably connected to the left side, one ends of the four inserting rods are all connected with the fixed block and extend to the outside of the round holes, and the other ends of the four fixed blocks are all fixedly connected with the four inserting rods in a size of the fixed hole, and the four fixed rod.

Preferably, the inside sliding connection of collection box has the apron, the left side fixedly connected with diaphragm of collection box.

Preferably, the top of the transverse plate is fixedly connected with an air suction pump, and an air inlet of the air suction pump is communicated with an air inlet pipe.

Preferably, an air outlet of the air pump is communicated with an air outlet pipe, and the bottom end of the air outlet pipe penetrates through the cover plate and extends into the recovery box.

Preferably, the right side of the recovery box is communicated with a connecting pipe, and the outer surface of the connecting pipe is in threaded connection with a pipe cover.

Preferably, the inner surface of the cover plate is in sliding connection with the outer surface of the air outlet pipe, and the four through grooves are matched with the L-shaped rods in size.

Advantageous effects

The utility model provides a powder recovery unit that polycrystalline silicon processing was used. Compared with the prior art, the method has the following beneficial effects:

(1) This powder recovery unit of polycrystalline silicon processing usefulness, rotate the handle through rotating, make to rotate the handle and drive the bull stick and rotate, the bull stick drives second bevel gear and rotates simultaneously, second bevel gear drives first bevel gear and rotates simultaneously, first bevel gear drives the threaded rod and rotates simultaneously, the threaded rod drives the standpipe rebound simultaneously, the standpipe drives four L type poles and filter screen rebound simultaneously, when the filter screen slides to the top of collection box, further stimulate four fixed handles, make fixed handle drive four inserted bar roll-off round holes, further make four L type pole roll-off logical grooves, realize the dismantlement of filter screen, setting through lift disassembly body, the lift and the quick assembly disassembly to the filter screen have been realized, the convenience is further washd the filter screen, the practicality is very strong.

(2) This powder recovery unit of polycrystalline silicon processing usefulness through the setting of apron, has avoided leaking including the powder air, has prevented to have caused the pollution to the air circumstance, through the setting of filter screen, has realized the filtration and the absorption to including the powder air, has purified the air.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a perspective view of the lifting/lowering/dismounting mechanism of the present invention;

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a partially enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1-a recycling box, 2-a lifting and disassembling mechanism, 21-a filter screen, 22-a threaded rod, 23-a vertical pipe, 24-a first bevel gear, 25-a rotating rod, 26-a second bevel gear, 27-a rotating handle, 28-an L-shaped rod, 29-a through groove, 210-a fixed block, 211-a round hole, 212-an inserting rod, 213-a fixed handle, 3-a cover plate, 4-a transverse plate, 5-an air suction pump, 6-an air inlet pipe, 7-an air outlet pipe, 8-a connecting pipe and 9-a pipe cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a powder recovery device for processing polycrystalline silicon comprises a recovery box 1, wherein a lifting dismounting mechanism 2 is arranged inside the recovery box 1; the lifting disassembly mechanism 2 comprises a filter screen 21 which is connected between the inner walls of the recovery box 1 in a sliding way, the filter screen 21 can filter powder in air, the bottom of the inner wall of the recovery box 1 is connected with a threaded rod 22 in a rotating way, the outer surface of the threaded rod 22 is connected with a vertical pipe 23 in a threaded way, the top end of the threaded rod 22 penetrates through the vertical pipe 23 and extends into the vertical pipe 23, the outer surface of the threaded rod 22 is fixedly connected with a first bevel gear 24, the front side of the recovery box 1 is connected with a rotating rod 25 in a rotating way, the rear end of the rotating rod 25 penetrates through the recovery box 1 and extends into the recovery box 1, the rear end of the rotating rod 25 is fixedly connected with a second bevel gear 26, the first bevel gear 24 is meshed with the second bevel gear 26, the front end of the rotating rod 25 is fixedly connected with a rotating handle 27, the front side, the rear side, the left side and the right side of the vertical pipe 23 are fixedly connected with L-shaped rods 28, through grooves 29 are formed in the front, the left side, the rear side, the right side and the left side of the top of the filter screen 21, the top ends of the four L-shaped rods 28 penetrate through the through groove 29 and extend to the top of the through groove 29, fixing blocks 210 are fixedly connected to the front, the back, the left and the right of the top of the filter screen 21, round holes 211 are formed in one sides of the four L-shaped rods 28, inserting rods 212 are slidably connected to one sides of the four fixing blocks 210, one ends of the four inserting rods 212 penetrate through the fixing blocks 210 and the round holes 211 and extend to the outside of the round holes 211, the four inserting rods 212 are matched with the round holes 211 in size, fixing handles 213 are fixedly connected to the other ends of the four inserting rods 212, a cover plate 3 is slidably connected to the inside of the recycling box 1, a transverse plate 4 is fixedly connected to the left side of the recycling box 1, an air suction pump 5 is fixedly connected to the top of the transverse plate 4, the air suction pump 5 is in the prior art and is controlled by an external switch and is electrically connected with an external power supply, an air inlet of the suction pump 5 is communicated with a 6, an air outlet pipe of the suction pump 5 is communicated with an air outlet pipe 7, the bottom of outlet duct 7 runs through apron 3 and extends to the inside of collection box 1, and the right side intercommunication of collection box 1 has connecting pipe 8, and the surface threaded connection of connecting pipe 8 has tube cap 9, and the internal surface of apron 3 and the surface sliding connection of outlet duct 7 lead to four groove 29 all with the size looks adaptation of L type pole 28.

And those not described in detail in this specification are well within the skill of those in the art.

In operation, at first start aspiration pump 5, make aspiration pump 5 pass through outlet duct 7 with the air that contains the powder and discharge the inside of collection box 1, can filter the air that contains the powder through filter screen 21 and adsorb, open tube cap 9 makes the air after the filtration discharge through connecting pipe 8, rotate rotation handle 27, make rotation handle 27 drive bull stick 25 and rotate, bull stick 25 drives second bevel gear 26 and rotates simultaneously, second bevel gear 26 drives first bevel gear 24 and rotates, first bevel gear 24 drives threaded rod 22 and rotates simultaneously, threaded rod 22 drives standpipe 23 rebound simultaneously, standpipe 23 drives four L-shaped poles 28 and filter screen 21 rebound simultaneously, when filter screen 21 slides to the top of collection box 1, further stimulate four fixed handles 213, make fixed handle 213 drive four inserted bar 212 roll-off round holes 211, further make four L-shaped poles 28 roll-off logical grooves 29, realize the dismantlement of filter screen 21, through the setting up and down of mechanism 2, realized the lift and quick dismouting to filter screen 21, it is convenient further to wash filter screen 21, practicality is very strong, through the setting up of apron 3, the environment to air that contains air pollution has been avoided through the air that has set up, the filter screen 21 has been realized the air pollution and has been filtered the filter screen.

It should be noted that, in this document, 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. Also, 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.

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

Claims

1. The utility model provides a powder recovery unit of polycrystalline silicon processing usefulness, includes collection box (1), its characterized in that: a lifting and dismounting mechanism (2) is arranged in the recovery box (1);

the lifting dismounting mechanism (2) comprises a filter screen (21) which is slidably connected between the inner walls of the recovery box (1), the bottom of the inner wall of the recovery box (1) is rotatably connected with a threaded rod (22), the outer surface of the threaded rod (22) is in threaded connection with a vertical pipe (23), the top end of the threaded rod (22) penetrates through the vertical pipe (23) and extends into the vertical pipe (23), the outer surface of the threaded rod (22) is fixedly connected with a first bevel gear (24), the front side of the recovery box (1) is rotatably connected with a rotating rod (25), the rear end of the rotating rod (25) penetrates through the recovery box (1) and extends into the recovery box (1), the rear end of the rotating rod (25) is fixedly connected with a second bevel gear (26), the first bevel gear (24) is meshed with the second bevel gear (26), the front end of the rotating rod (25) is fixedly connected with a rotating handle (27), the front, the rear, the left and the right sides of the vertical pipe (23) are fixedly connected with L-shaped rods (28), the front, the rear, the left and the right sides of the top of the filter screen (21) are respectively provided with a through groove (29) in a penetrating manner, the top ends of the four L-shaped rods (28) are respectively provided with a through groove (29) in a penetrating manner and extend to the top of the through groove (29), the front, the rear, the left and the right sides of the top of the filter screen (21) are respectively fixedly connected with a fixing block (210), one side of each L-shaped rod (28) is provided with a round hole (211) in a penetrating manner, four equal sliding connection in one side of fixed block (210) has inserted bar (212), four the outside that fixed block (210) and round hole (211) and extend to round hole (211), four are all run through to the one end of inserted bar (212) all with the size looks adaptation of round hole (211), four the equal fixedly connected with fixed handle (213) of the other end of inserted bar (212).

2. The powder recovery apparatus for polysilicon processing according to claim 1, wherein: the inside sliding connection of collection box (1) has apron (3), the left side fixedly connected with diaphragm (4) of collection box (1).

3. The powder recovery apparatus for polysilicon processing according to claim 2, wherein: the top fixedly connected with aspiration pump (5) of diaphragm (4), the air inlet intercommunication of aspiration pump (5) has intake pipe (6).

4. The powder recovery apparatus for polysilicon processing according to claim 3, wherein: the air outlet of the air pump (5) is communicated with an air outlet pipe (7), and the bottom end of the air outlet pipe (7) penetrates through the cover plate (3) and extends to the interior of the recovery box (1).

5. The powder recovery apparatus for polysilicon processing according to claim 1, wherein: the right side of the recovery box (1) is communicated with a connecting pipe (8), and the outer surface of the connecting pipe (8) is in threaded connection with a pipe cover (9).

6. The powder recovery apparatus for polysilicon processing according to claim 2, wherein: the inner surface of the cover plate (3) is in sliding connection with the outer surface of the air outlet pipe (7), and the four through grooves (29) are matched with the L-shaped rods (28) in size.