CN217674623U

CN217674623U - Strike off silica flour collecting vessel of inner wall adsorbate

Info

Publication number: CN217674623U
Application number: CN202221795320.7U
Authority: CN
Inventors: 陈杰; 张为宏; 别万; 程琼芝; 王相才
Original assignee: Hubei Yuanchun Petrochemical Equipment Manufacturing Co ltd
Current assignee: Hubei Yuanchun Petrochemical Equipment Manufacturing Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-10-28
Anticipated expiration: 2032-07-12

Abstract

The utility model provides a strike off silica flour holding vessel of inner wall adsorbate, relate to polycrystalline silicon preparation technical field, comprising a main body, the top surface of main part is fixed with elevator motor, and elevator motor's output runs through the main part top surface, elevator motor's output is equipped with the lift lead screw, the inner wall of main part is equipped with the backup pad board, and the bottom and the backup pad swing joint of lift lead screw, the inside of main part is equipped with the filter scraper blade, and filter scraper blade and main part inner wall swing joint, and filter scraper blade and lift lead screw threaded connection, the inner wall of main part is equipped with the slide rail, the top surface of filter scraper blade is fixed with the vibrator, it is rotatory that the elevator motor can drive the lift lead screw, make the filter with lift lead screw threaded connection reciprocate along the slide rail at the main part inner wall, to the sticky silica flour of production in-process main part clearance, and be fixed with the vibrator at the top surface of filter scraper blade, can shake down the silica flour on the filter scraper blade, recycle when preventing to filter scraper blade jam.

Description

Strike off silica flour collecting vessel of inner wall adsorbate

Technical Field

The utility model relates to a polycrystalline silicon preparation technical field especially relates to a strike off silica flour holding vessel of inner wall adsorbate.

Background

Polycrystalline silicon is a base material for manufacturing solar cells for photovoltaic power generation. Meanwhile, single crystal silicon produced from electronic grade polycrystalline silicon is a basic material in the electronic information industry, and is a raw material for producing large-scale integrated circuits, semiconductor separation elements, and power electronic devices. At present, the improved Siemens method is adopted in more than 70 percent of the international polycrystalline silicon production processes. The so-called Siemens process, also called trichlorosilane hydrogen reduction process, is a process for generating polysilicon by chemical reaction in a reduction furnace, the synthesis step of trichlorosilane is that industrial silicon powder is crushed to 80-120 meshes and dried by steam, the silicon powder is added into a fluidized bed furnace hopper through a silicon powder metering tank, hydrogen chloride gas is introduced to bring the silicon powder into the fluidized bed furnace, siHCl3 is generated by reaction in the fluidized bed furnace, synthesis gas of components such as SiCl4, siH2Cl2, metal chloride, polychlorosilane, hydrogen and the like is generated at the same time, the synthesis gas comes out from the top of the synthesis furnace, enters a dry dust removal system to remove part of the entrained silicon powder and then is sent to a wet dust removal system to remove fine silicon dust in the gas, part of metal oxide contained in the hydrolysis gas, and the purified synthesis gas is sent to a synthesis gas dry separation process.

According to patent No. CN208948862U, a silicon powder recovery and dust removal device is disclosed, which comprises a reaction furnace, a cyclone separator, a dust remover and a silicon powder tank which are connected in sequence, and further comprises a silicon powder separation and recovery device and a silicon powder bag, wherein an inlet of the silicon powder separation and recovery device is connected with an outlet of the silicon powder tank, an outlet of the silicon powder separation and recovery device is connected with the silicon powder bag, and an exhaust hole is further formed in the silicon powder separation and recovery device. This device removes dust through the multistage separation, the different silica flour of particle diameter in the collecting system as far as possible to through add silica flour separation recovery unit at silica flour jar discharge opening, effectually avoided the raise dust of the in-process of unloading and the waste of silica flour, improved raw materials for production's cyclic utilization degree, also be of value to the healthy of operation personnel simultaneously.

In the existing production process of polycrystalline silicon, fine silicon powder cannot be completely removed in the step, and part of the silicon powder is recycled, so that the silicon powder is easily adhered to the inner wall of a main body in the production process of a silicon powder tank and is difficult to clean, and dust pollution and waste of the silicon powder are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a silica powder collecting tank for scraping off adsorbates on the inner wall.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a strike off silica flour collecting vessel of inner wall adsorbate, includes the main part, the top surface of main part is fixed with elevator motor, and elevator motor's output runs through the main part top surface, elevator motor's output is equipped with the lift lead screw, the inner wall of main part is equipped with the backup pad board, and the bottom and the backup pad swing joint of lift lead screw, the inside of main part is equipped with the filter scraper blade, and filter scraper blade and main part inner wall swing joint, and filter scraper blade and lift lead screw threaded connection, the inner wall of main part is equipped with the slide rail, and filter scraper blade and slide rail swing joint, the top surface of filter scraper blade is fixed with the vibrator.

Preferably, the collecting box is arranged in the main body and movably connected with the main body, the collecting box penetrates through the surface of the main body, the inclined block is fixed in the main body and is in an axisymmetric structure relative to the main body, and the surface of the main body is movably connected with the clamping strip.

Preferably, the surface of the collecting box is provided with a connecting plate, positioning grooves are formed in two sides of the connecting plate, the clamping strips are connected with the positioning grooves in a clamping mode, and sealing strips are arranged on the surface of the collecting box.

Preferably, the top surface of filtering scraper is equipped with the protection box, and the protection box nestification is on the surface of vibrator, the top surface of main part is equipped with the outlet duct, and the outlet duct runs through the top surface of main part, the surface of main part is equipped with the intake pipe, and the intake pipe runs through the main part surface.

Preferably, a controller is fixed on the surface of the main body and is electrically connected with the lifting motor and the vibrator respectively.

Preferably, the longitudinal section of the supporting plate is triangular, and a supporting frame is fixed on the bottom surface of the main body.

Preferably, the sealing strip is made of rubber through thermal molding.

Advantageous effects

The utility model discloses in, be equipped with lift lead screw and filter scraper blade in the main part, it is rotatory that lift motor can drive the lift lead screw, makes the filter with lift lead screw threaded connection can reciprocate along the slide rail at the main part inner wall, glues glutinous silica flour to production in-process main part and clears up, is fixed with the vibrator at filter scraper blade's top surface moreover, can shake the silica flour on the filter scraper blade and fall, carries out recycle to silica flour when preventing that filter scraper blade from blockking up.

Drawings

FIG. 1 is an isometric view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a side sectional view of the present invention;

fig. 4 is a partial structure diagram of the present invention.

Illustration of the drawings:

1. an air outlet pipe; 2. a main body; 3. a controller; 4. clamping the strip; 5. a support frame; 6. a lifting screw rod; 7. An air inlet pipe; 8. a collection box; 9. a filter blade; 10. a protective case; 11. a vibrator; 12. a lifting motor; 13. a support plate; 14. a sloping block; 15. positioning a groove; 16. a sealing strip; 17. a connecting plate; 18. a slide rail.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a silicon powder collection tank for scraping off adsorbates on an inner wall comprises a main body 2, wherein a lifting motor 12 is fixed on the top surface of the main body 2, an output end of the lifting motor 12 penetrates through the top surface of the main body 2, a lifting lead screw 6 is arranged at an output end of the lifting motor 12, a support rod plate is arranged on the inner wall of the main body 2, the bottom end of the lifting lead screw 6 is movably connected with a support plate 13, a filter scraper 9 is arranged inside the main body 2, the filter scraper 9 is movably connected with the inner wall of the main body 2, the filter scraper 9 is in threaded connection with the lifting lead screw 6, a slide rail 18 is arranged on the inner wall of the main body 2, the filter scraper 9 is movably connected with the slide rail 18, and a vibrator 11 is fixed on the top surface of the filter scraper 9.

The inside of main part 2 is equipped with collecting box 8, and collecting

box

8 and 2 swing joint of main part, and collecting box 8 runs through the main part 2 surface, and the inside of main part 2 is fixed with sloping block 14, and sloping block 14 is the axisymmetric structure about main part 2, and the surperficial swing joint of main part 2 has card strip 4. The surface of collecting box is equipped with connecting plate 17, and constant head tank 15 has been seted up to the both sides of connecting plate 17, and card strip 4 is connected with constant head tank 15 block, and the surface of collecting box 8 is equipped with sealing strip 16. The top surface of filtering scraper 9 is equipped with protection box 10, and protection box 10 nestification is on the surface of vibrator 11, and the top surface of main part 2 is equipped with outlet duct 1, and outlet duct 1 runs through the top surface of main part 2, and the surface of main part 2 is equipped with intake pipe 7, and intake pipe 7 runs through the surface of main part 2. The surface of the main body 2 is fixed with a controller 3, and the controller 3 is respectively electrically connected with a lifting motor 12 and a vibrator 11. The longitudinal section of the supporting plate 13 is triangular, and the supporting frame 5 is fixed on the bottom surface of the main body 2. The sealing strip 16 is made of rubber by thermal molding.

The utility model discloses a theory of operation: the gas enters the main body 2 from the gas inlet pipe 7, the gas is discharged from the gas outlet pipe 1, silicon powder is adhered to the inner wall of the main body 2 in the process, the lifting screw rod 6 and the filtering scraper 9 are arranged in the main body 2, the lifting screw rod 6 is driven to rotate by the lifting motor 12, the filtering scraper 9 in threaded connection with the lifting screw rod 6 can move up and down along the slide rail 18 on the inner wall of the main body 2, the adhered silicon powder of the main body 2 is cleaned in the production process, the vibrator 11 is fixed on the top surface of the filtering scraper 9, the silicon powder on the filtering scraper 9 can be vibrated down, the silicon powder is recycled while the filtering scraper 9 is prevented from being blocked, the clamping strip 4 is used for fixing the collecting box 8, the sealing strip 16 is used for preventing the gas leakage of the main body 2, and the longitudinal section of the supporting plate 13 is triangular so as to prevent the silicon powder from being accumulated on the clamping strip.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a strike off silica flour holding vessel of inner wall adsorbate, includes main part (2), its characterized in that: the top surface of the main body (2) is fixed with a lifting motor (12), the output end of the lifting motor (12) penetrates through the top surface of the main body (2), the output end of the lifting motor (12) is provided with a lifting screw rod (6), the inner wall of the main body (2) is provided with a supporting rod plate, the bottom end of the lifting screw rod (6) is movably connected with a supporting plate (13), a filtering scraper (9) is arranged inside the main body (2), the filtering scraper (9) is movably connected with the inner wall of the main body (2), the filtering scraper (9) is in threaded connection with the lifting screw rod (6), a sliding rail (18) is arranged on the inner wall of the main body (2), the filtering scraper (9) is movably connected with the sliding rail (18), a vibrator (11) is fixed on the top surface of the filtering scraper (9), a collecting box (8) is arranged inside the main body (2), the collecting box (8) is movably connected with the main body (2), and the collecting box (8) penetrates through the surface of the main body (2).

2. The silicon powder collection tank for scraping the adsorbate on the inner wall of the silicon powder collection tank according to claim 1, wherein: the inside of main part (2) is fixed with sloping block (14), and sloping block (14) are the axial symmetry structure about main part (2), the surface swing joint of main part (2) has card strip (4).

3. The silicon powder collection tank for scraping off adsorbate on the inner wall according to claim 2, wherein: the surface of collecting box is equipped with connecting plate (17), constant head tank (15) have been seted up to the both sides of connecting plate (17), and card strip (4) are connected with constant head tank (15) block, the surface of collecting box (8) is equipped with sealing strip (16).

4. The silicon powder collection tank for scraping the adsorbate on the inner wall of the silicon powder collection tank according to claim 1, wherein: the top surface of filtering scraper blade (9) is equipped with protection box (10), and protection box (10) nestification is on the surface of vibrator (11), the top surface of main part (2) is equipped with outlet duct (1), and outlet duct (1) runs through the top surface of main part (2), the surface of main part (2) is equipped with intake pipe (7), and intake pipe (7) run through main part (2) surface.

5. The silicon powder collection tank for scraping off adsorbate on the inner wall according to claim 1, wherein: the surface of the main body (2) is fixed with a controller (3), and the controller (3) is respectively electrically connected with the lifting motor (12) and the vibrator (11).

6. The silicon powder collection tank for scraping off adsorbate on the inner wall according to claim 1, wherein: the longitudinal section of the supporting plate (13) is triangular, and a supporting frame (5) is fixed on the bottom surface of the main body (2).

7. The silicon powder collection tank for scraping off adsorbate on the inner wall according to claim 3, wherein: the sealing strip (16) is formed by thermoplastic rubber.