CN211169867U

CN211169867U - Polycrystalline silicon fragment alkali washing neutralization device

Info

Publication number: CN211169867U
Application number: CN201921069336.8U
Authority: CN
Inventors: 王民磊; 杨国辰; 郭会杰; 刘瑞柱
Original assignee: Henan Shengda Photovoltaic Technology Co ltd
Current assignee: Henan Shengda Photovoltaic Technology Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-08-04
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a polycrystalline silicon piece alkali wash neutralization apparatus, which comprises a connecting shell, the inside of connecting the shell is equipped with two upper end baffles and two baffles, two upper end baffles and two baffles from left to right interval distribution, can channel into the one-level wash bowl with material water through the post of intaking, inside the one-level wash bowl was entered into through lower extreme overflow baffle after the one-level wash bowl, after the quadratic wash bowl entered into the inside in acidizing fluid neutralization groove through U type pipe one, with this neutralization, the inside that the liquid spilled into the one-level wash bowl after the neutralization was washed, then enter into inside the automatic bowl of second grade washing through U type pipe two, and can carry through the conveying chain, this polycrystalline silicon piece alkali wash neutralization apparatus simple structure, solve bar buddha's warrior attendant line section and retrieve the dirty back neutralization corrosion of garrulous silicon piece, pure water cyclic utilization, improve production efficiency, The product quality, the labor force is liberated, and the production cost is reduced.

Description

Polycrystalline silicon fragment alkali washing neutralization device

Technical Field

The utility model relates to a chemical cleaning technical field of crystal silicon ingot casting, silicon material specifically are a polycrystalline silicon piece alkali-wash neutralization apparatus.

Background

In recent years, environmental protection treatment pressure at home and abroad is increasing day by day, a mode of high pollution of traditional energy is a scaling disease, the energy demand in the future is increased along with the development of world economy, fossil energy is still a main energy source for providing power for the world economy, but the energy structure is transformed, the development and utilization of solar energy become the key of later energy conversion, polycrystalline silicon and polycrystalline ingots become the basis of the development of the industry, the polycrystalline silicon and the polycrystalline ingots have great influence on the flat price of power generation, the quality, the performance and the price of silicon wafers, broken silicon wafers are recycled by diamond wire slicing, a layer of silicon powder, metal powder and the like can be attached to the surfaces of the broken silicon wafers produced in cutting production, and the conventional treatment method for the attachments is adopted by the conventional polycrystalline silicon enterprise: optionally cleaning surface dirt with NaoH cleaning solution, and neutralizing metal corrosion with hydrochloric acid solution; the production mode is difficult to form assembly line operation production, the water consumption is large, the production efficiency is low, the cleaning and reusing cost of the recycled silicon materials is high, and the requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a polycrystalline silicon piece alkali wash neutralization apparatus, solve crystal bar buddha's warrior attendant line section and retrieve the dirty back neutralization corrosion of washing of garrulous silicon chip, pure water cyclic utilization improves production efficiency, product quality, liberation labour, and reduction in production cost can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a polycrystalline silicon fragment alkali washing neutralization device comprises a connecting shell, wherein two upper end partition plates and two partition plates are arranged inside the connecting shell, the two upper end partition plates and the two partition plates are distributed at intervals from left to right, the inside of the connecting shell is divided into a primary rinsing bath, a secondary rinsing bath, an acid liquor neutralization bath, a primary water washing conveying bath and a secondary water washing automatic conveying bath through the two upper end partition plates and the two partition plates, a water inlet column is arranged on the left side inside the primary rinsing bath, the secondary rinsing bath, the acid liquor neutralization bath, the primary water washing conveying bath and the secondary water washing automatic conveying bath are sequentially arranged from left to right, lower end overflow partition plates are arranged on the right sides of the inner bottom surfaces of the primary rinsing bath, the secondary rinsing bath, the acid liquor neutralization bath and the primary water washing conveying bath, a U-shaped pipe I is supported and connected between the left side of the lower end of, be connected with U type pipe two between the lower extreme left side of one-level washing conveyer trough and the lower extreme right side of second grade washing automatic conveyer trough, one side upper end of upper end baffle and baffle all is equipped with accuse liquid platform, the inside lower extreme both sides of second grade washing automatic conveyer trough are equipped with two pivots, are equipped with the conveying chain between two pivots, the inside upper end right side of second grade washing automatic conveyer trough is equipped with another pivot, is connected with another conveying chain between the both ends pivot on the inside right side of second grade washing automatic conveyer trough, and one side of second grade washing automatic conveyer trough is equipped with the motor, and the output shaft of motor is connected with the one end of pivot, and the input of motor is connected through external switch and external power source's.

As an optimal technical scheme of the utility model, the inside bottom surface of one-level wash bowl, second grade wash bowl, acidizing fluid neutralization groove and one-level washing conveyer trough all is equipped with the support slide, and four support slides are located the center of one-level wash bowl, second grade wash bowl, acidizing fluid neutralization groove and one-level washing conveyer trough respectively.

As an optimal technical scheme of the utility model, the lower surface of one-level washing conveyer trough evenly is equipped with the supporting leg, and the lower extreme of supporting leg is equipped with the support leather packing.

As an optimized technical scheme of the utility model, the lower extreme of second grade wash bowl and one-level washing conveyer trough is equipped with air inlet, this air inlet lower extreme intake pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this polycrystalline silicon piece alkali wash neutralization apparatus is last to have set up the post of intaking, can be with leading-in to the one-level wash bowl of material water through the post of intaking, inside the one-level wash bowl was entered into through lower extreme overflow baffle after the one-level wash bowl, carry out secondary washing with this, enter into the inside in acidizing fluid neutralization groove through U type pipe one after the secondary washing, with this neutralization, the inside that neutralization back liquid spills into the one-level wash conveyer trough carries out the washing, then enter into inside the automatic conveyer trough of second grade washing through U type pipe two, and can carry through the conveying chain, this polycrystalline silicon piece alkali wash neutralization apparatus simple structure, solve bar buddha's warrior attendant line section and retrieve the dirty back neutralization corrosion of garrulous silicon chip, pure water cyclic utilization, and high production efficiency, the product quality, the liberation labour, and low in production cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the water inlet column 1, the upper end baffle 2, the lower end overflow baffle 3, the liquid control platform 4, the baffle 5, the second-stage rinsing bath 6, the first U-shaped tube 7, the air inlet tube 8, the supporting slideway 9, the second U-shaped tube 10, the conveying chain 11, the automatic second-stage rinsing conveying bath 12, the rotating shaft 13, the first-stage rinsing conveying bath 14, the acid solution neutralizing bath 15, the motor 16, the first-stage rinsing bath 17 and the connecting shell 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-2, the present invention provides a technical solution: a polycrystalline silicon fragment alkali washing neutralization device comprises a connecting shell 18, two upper end partition plates 2 and two partition plates 5 are arranged inside the connecting shell 18, the two upper end partition plates 2 and the two partition plates 5 are distributed at intervals from left to right, the inside of the connecting shell 18 is divided into a first-stage rinsing bath 17, a second-stage rinsing bath 6, an acid liquor neutralization bath 15, a first-stage rinsing conveying bath 14 and a second-stage rinsing automatic conveying bath 12 through the two upper end partition plates 2 and the two partition plates 5, a water inlet column 1 is arranged on the left side of the inside of the first-stage rinsing bath 17, the second-stage rinsing bath 6, an acid liquor neutralization bath 15, the first-stage rinsing conveying bath 14 and the second-stage rinsing automatic conveying bath 12 are sequentially arranged from left to right, lower end overflow partition plates 3 are arranged on the right sides of the bottoms of the insides of the first-stage rinsing bath 17, the second-stage rinsing bath 6, the acid liquor neutralization bath 15 and the first-stage rinsing conveying bath, a U-shaped pipe II 10 is connected between the left side of the lower end of a first-stage washing conveying trough 14 and the right side of the lower end of a second-stage washing automatic conveying trough 12, a liquid control platform 4 is arranged at the upper ends of both the upper end of an upper end baffle plate 2 and a baffle plate 5, two rotating shafts 13 are arranged on both sides of the lower end in the second-stage washing automatic conveying trough 12, a conveying chain 11 is arranged between the two rotating shafts 13, another rotating shaft 13 is arranged on the right side of the upper end in the second-stage washing automatic conveying trough 12, another conveying chain 11 is connected between the rotating shafts at both ends of the right side in the second-stage washing automatic conveying trough 12, a motor 16 is arranged on one side of the second-stage washing automatic conveying trough 12, an output shaft of the motor 16 is connected with one end of the rotating shaft 13, an input end of the motor 16 is electrically connected with an output end of an external power, the secondary washing is carried out, the secondary washing enters the interior of the acid liquor neutralization tank 15 through the U-shaped pipe I7, neutralization is carried out, the neutralized liquid overflows into the interior of the primary washing conveying tank 14 for washing, supporting slideways 9 are arranged on the inner bottom surfaces of the primary washing tank 17, the secondary washing tank 6, the acid liquor neutralization tank 15 and the primary washing conveying tank 14, the four supporting slideways 9 are respectively positioned in the centers of the primary washing tank 17, the secondary washing tank 6, the acid liquor neutralization tank 15 and the primary washing conveying tank 14, the microscopic impurities in the reinforced silicon material can be removed along with the movement of the water flow direction through the supporting slideways 9, the moving resistance of a flower basket is reduced, an operator can move back and forth, supporting legs are uniformly arranged on the lower surface of the primary washing conveying tank 14, supporting leather pads are arranged at the lower ends of the supporting legs and can support and move the device, air inlets are arranged at the lower ends of the secondary washing tank 6 and the primary washing conveying tank 14, this air inlet lower extreme intake pipe 8, can be with the leading-in inside of connecting shell 18 of gas through lower

extreme intake pipe

8, 11 mutually perpendicular of two conveying chains, aqueous solution through rinsing bath at different levels is the overflow step by step, collect reuse for acid wastewater according to sour neutralization back rinsing solution, pass through the pipe transport with acid wastewater to upper rinsing bath, to alkali-containing garrulous piece material carry out elementary washing pH value neutralization, this polycrystalline silicon piece alkali wash neutralization apparatus simple structure, solve bar buddha's warrior attendant line section and retrieve garrulous silicon piece dirt and wash back neutralization corrosion, pure water cyclic utilization, and the product quality is improved, the liberation labour, and reduction in production cost.

When in use: can be with leading-in to one-level wash bowl 17 of material water through the post 1 of intaking, the one-level wash is inside entering into second grade wash bowl 6 through lower extreme overflow baffle 3 after the water washing, carry out the secondary water washing with this, the secondary water wash is inside entering into acidizing fluid neutralization groove 15 through U type pipe 7 after, with this neutralization, the inside that the one-level washing conveyer trough 14 was overflowed to the liquid after the neutralization is washed, then enter into inside second grade washing automatic conveying groove 12 through U type pipe two 10, and can carry through conveying chain 11.

The utility model discloses a post 1 of intaking can be with leading-in one-level wash bowl 17 of material water, it is inside that the one-level wash bowl 6 is entered into through lower extreme overflow baffle 3 after the one-level wash bowl, carry out the secondary washing with this, enter into the inside of acidizing fluid neutralization groove 15 through U type pipe 7 after the secondary washing, with this neutralization, the inside of neutralizing one-level washing conveyer trough 14 is gone into in the liquid overflow after the neutralization, then enter into inside second grade washing automatic conveying groove 12 through U type pipe two 10, and can carry through conveying chain 11, make the gas dispersion more even through the circular micropore on the air supply line, this polycrystalline silicon piece alkali cleaning neutralization apparatus simple structure, solve crystal bar buddha's warrior attendant line section and retrieve the dirty washing and the corrosion of silicon chip, the pure water cyclic utilization, the production efficiency is improved, the product quality, the liberation labour, and low in production cost.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. A polycrystalline silicon fragment alkali washing neutralization device comprises a connecting shell (18), and is characterized in that: the water-saving washing machine is characterized in that two upper end partition plates (2) and two partition plates (5) are arranged inside the connecting shell (18), the two upper end partition plates (2) and the two partition plates (5) are distributed at intervals from left to right, the inside of the connecting shell (18) is divided into a first-stage washing tank (17), a second-stage washing tank (6), an acid liquor neutralization tank (15), a first-stage washing conveying tank (14) and a second-stage washing automatic conveying tank (12) through the two upper end partition plates (2) and the two partition plates (5), a water inlet column (1) is arranged on the left side of the inside of the first-stage washing tank (17), the second-stage washing tank (6), the acid liquor neutralization tank (15), the first-stage washing conveying tank (14) and the second-stage washing automatic conveying tank (12) are sequentially arranged from left to right, and overflow partition plates (3) are arranged on the right sides of the bottom surfaces of the inside of the first-, a U-shaped pipe I (7) is supported and connected between the left side of the lower end of a secondary washing tank (6) and the lower end of an acid liquor neutralizing tank (15), a U-shaped pipe II (10) is connected between the left side of the lower end of a primary washing conveying tank (14) and the right side of the lower end of a secondary washing automatic conveying tank (12), liquid control platforms (4) are arranged at the upper ends of a partition plate (2) and a partition plate (5), two rotating shafts (13) are arranged on two sides of the lower end of the interior of the secondary washing automatic conveying tank (12), a conveying chain (11) is arranged between the two rotating shafts (13), another rotating shaft (13) is arranged on the right side of the upper end of the interior of the secondary washing automatic conveying tank (12), another conveying chain (11) is connected between rotating shafts at two ends of the right side of the interior of the secondary washing automatic conveying tank (, an output shaft of the motor (16) is connected with one end of the rotating shaft (13), and an input end of the motor (16) is electrically connected with an output end of an external power supply through an external switch.

2. The polysilicon fragment alkali washing neutralization device according to claim 1, characterized in that: the inner bottom surfaces of the first-stage rinsing bath (17), the second-stage rinsing bath (6), the acid liquor neutralizing bath (15) and the first-stage water washing conveying bath (14) are respectively provided with a supporting slide way (9), and the four supporting slide ways (9) are respectively positioned at the centers of the first-stage rinsing bath (17), the second-stage rinsing bath (6), the acid liquor neutralizing bath (15) and the first-stage water washing conveying bath (14).

3. The polysilicon fragment alkali washing neutralization device according to claim 1, characterized in that: the lower surface of one-level washing conveyer trough (14) evenly is equipped with the supporting leg, and the lower extreme of supporting leg is equipped with the support leather packing.

4. The polysilicon fragment alkali washing neutralization device according to claim 1, characterized in that: and air inlets are arranged at the lower ends of the secondary washing tank (6) and the primary washing conveying tank (14), and an air inlet pipe (8) is arranged at the lower end of each air inlet.