CN219784038U - Silica flour recovery unit in silicon processing waste water - Google Patents

Abstract

The utility model discloses a silicon powder recovery device in silicon processing wastewater, which belongs to the field of silicon processing, and comprises a processing chamber, wherein the processing chamber is of an upper surface opening structure, a suspension mechanism is arranged at the opening, a water inlet pipe is arranged at the upper edge of the processing chamber, two mutually parallel rotating rollers are arranged outside the water inlet pipe, two ends of one rotating roller are connected to the inner wall of the processing chamber, the other rotating roller is arranged above the processing chamber and connected to the suspension mechanism, a filter cloth in an annular structure is sleeved between the outer sides of the two rotating rollers, the filter cloth is inclined relative to a vertical surface, a servo motor is arranged at one side of the processing chamber, the output end of the servo motor extends into the processing chamber and is connected to one end of one rotating roller, the silicon powder can be lifted while the silicon powder is filtered, the silicon powder is separated from the wastewater, the wastewater is not stopped, and the continuity of wastewater and separation in the processing chamber is conveniently improved.

Description

Silica flour recovery unit in silicon processing waste water

Technical Field

The utility model relates to the field of silicon processing, in particular to a device for recycling silicon powder in silicon processing wastewater.

Background

With the vigorous development of the semiconductor industry, the demand for silicon processing is increasing, a cutting machine is used for dividing a silicon block into blanks such as slices, discs and small blocks, cooling is carried out on a cutting position by using cooling water, part of silicon is ground into powder by a cutting knife in the cutting process, and flows out along with waste water, so that the waste water is generally filtered for recovering lost silicon powder;

according to patent search, chinese patent with publication number of CN217829056U discloses a silicon wafer silicon-containing wastewater treatment and recovery device, which comprises a treatment chamber, wherein a pulling plate cleaning mechanism is arranged in the treatment chamber, the pulling plate cleaning mechanism comprises a connecting shell, a pressing component is arranged at the top of the treatment chamber, the pressing component comprises a second motor, the output end of the second motor is fixedly connected with a threaded rod, the bottom end of the threaded rod is connected with a bottom plate through a bearing, both sides of the bottom plate are fixedly connected with the side wall of the treatment chamber, a threaded block is connected with the outside of the threaded rod through threads, pressing plates are fixedly arranged at both sides of the bottom of the threaded block, and pressing plates are fixedly connected with pressing plates at the bottoms of the two pressing plates, and the pressing plates are used for pressing filter residues containing silicon powder into filter cakes through the pressing plates by the pressing plates, the water passes through the bottom of the water filtering plates and is finally discharged through a drain pipe, so that the wastewater recycling utilization rate is improved, flocculating agent is not added, and flocculation precipitation is reduced;

however, when the silicon powder is recovered, the filter residues on the filter plate are pressed down by the extrusion plate to form filter cakes by the threaded rod, the filter cakes on the extrusion plate and the lower surface of the extrusion plate block the filter cloth, and the wastewater in the treatment chamber is intercepted, so that the problem of poor continuity of the separation of the wastewater and the silicon powder in the treatment chamber is solved, and therefore, the silicon powder recovery device in the silicon processing wastewater is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the silicon powder recovery device in the silicon processing wastewater, which can be used for filtering silicon powder and lifting the silicon powder at the same time, is separated from the wastewater, does not intercept the wastewater, and is convenient for improving the continuity of wastewater and silicon powder separation in a treatment chamber.

Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a silica flour recovery unit in silicon processing waste water, includes the treatment chamber, the treatment chamber is upper surface opening structure and opening part is provided with unsettled mechanism, the upper edge of treatment chamber is provided with the inlet tube, the outside of inlet tube is provided with two rotatory rollers that are parallel to each other, one of them rotatory roller's both ends all are connected in the inner wall of treatment chamber, another rotatory roller sets up in the top of treatment chamber and connects in unsettled mechanism, two the cover is equipped with the filter cloth that is annular structure between rotatory roller's the outside, the filter cloth is relative vertical face slope, servo motor is installed to one side of treatment chamber, servo motor's output extends into the inside one end of just connecting in a rotatory roller of treatment chamber, the waste residue chamber is installed to one side that the inlet tube was kept away from to the treatment chamber, the waste residue chamber is located the below of another rotatory roller and the opening part installs the scraper blade, can be in the lifting silica flour when filtering out, with silica flour separately, waste water and the convenience improves the continuity of waste water and separation in the treatment chamber.

Further, the unsettled mechanism is including two baffles of symmetry installation in treatment chamber opening part, two the bearing frame is all installed to the upper end of baffle, two the outside of bearing frame is connected respectively in the both ends of a rotatory roller, and two baffles are spacing from the filter cloth both sides, reduce the silica flour of slipping from the filter cloth both sides.

Further, the curb plate is all installed to the both sides of treatment room, two one side of curb plate peg graft respectively in the both sides of filter cloth, the arc groove with the adaptation of rotatory roller outside has all been seted up at the both ends of curb plate, shelters from the clearance in filter cloth both sides and treatment room both sides, reduces the silica flour that falls into this clearance.

Further, a sludge discharge port is formed in one side, far away from the filter cloth, of the waste residue cavity, a sealing door is arranged at the outer edge of the sludge discharge port, and the sealing door is opened to draw out gathered silicon powder from the sludge discharge port.

Further, the bottom plate is vertically arranged on the lower wall of the treatment chamber, and is positioned right below the filter cloth, silicon powder on the lower wall of the treatment chamber is blocked by the bottom plate, and silicon powder leaked along with wastewater is reduced.

Further, the outside of treatment room runs through and installs the drain pipe, the drain pipe is located the below in waste residue chamber, and the last waste water of following drain pipe discharge.

Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) When this scheme filters, servo motor drive one corresponds rotatory roller and rotates, drive filter cloth and another rotatory roller and rotate towards the direction in waste residue chamber, because the filter cloth is just to the play water end of inlet tube, waste water is penetrated on the filter cloth, the silica flour in the filter cloth filtration waste water, and by two rotatory rollers drive rotations, the lifting silica flour in the silica flour is filtered out, the filter cloth is pressed close to in sharp point of rethread scraper blade, scrape the silica flour that the filter cloth surface was stained with and is attached, make the silica flour fall into the waste residue chamber, collect in the waste residue chamber, separate with waste water, waste water is not stopped, the continuity of waste water and silica flour separation in the convenient improvement treatment room.

(2) According to the scheme, the two bearing seats are used for supporting the rotating roller located above, the upper surface of the filter cloth can be exposed from the waste water, so that silicon powder is driven to separate from the waste water when the filter cloth rotates, the two baffles are used for limiting from the two sides of the filter cloth, and silicon powder slipping from the two sides of the filter cloth is reduced.

Drawings

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

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

The reference numerals in the figures illustrate:

1. a water inlet pipe; 2. a rotating roller; 3. a filter cloth; 4. a servo motor; 5. a waste residue cavity; 6. a scraper; 7. a baffle; 8. a bearing seat; 9. a side plate; 10. an arc-shaped groove; 11. a mud discharging port; 12. sealing the door; 13. a bottom plate; 14. and (5) a water drain pipe.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a silicon powder recovery device in silicon processing wastewater comprises a processing chamber, the processing chamber is of an upper surface opening structure, an opening is provided with a suspension mechanism, the upper edge of the processing chamber is provided with a water inlet pipe 1 through a clamp, the outside of the water inlet pipe 1 is provided with two mutually parallel rotating rollers 2, two ends of one rotating roller 2 are connected with the inner wall of the processing chamber through bearings, the other rotating roller 2 is arranged above the processing chamber and connected with the suspension mechanism, a filter cloth 3 in an annular structure is sleeved between the outer sides of the two rotating rollers 2, the filter cloth 3 inclines relative to a vertical surface, one side of the processing chamber is provided with a servo motor 4 through bolts, the output end of the servo motor 4 extends into the processing chamber and is connected with one end of one rotating roller 2 through a welding mode, one side of the processing chamber far away from the water inlet pipe 1 is integrally provided with a waste residue cavity 5, the waste residue cavity 5 is positioned below the other rotating roller 2, the opening is provided with a scraping plate 6 through bolts, silicon cutting wastewater is poured into the processing wastewater along the processing chamber through the water inlet pipe 1, during filtration, the servo motor 4 is started, one corresponding rotating roller 2 is driven to rotate, the other rotating roller 3 and the other rotating roller 3 is driven to rotate, the other silicon powder 3 is driven to rotate towards the other rotating roller 3, and the waste residue 3 is not directly contacts with the filter cloth 3, and falls into the filter cloth 3 through the water cavity, and is separated from the water cavity 3 through the water cavity, and falls into the water cavity 3 through the water cavity through the filter cloth 3, and is separated from the water cavity through the water filter cloth 3, the continuity of the separation of the wastewater and the silicon powder in the treatment chamber is conveniently improved.

Referring to fig. 2 and 3, the suspension mechanism comprises two baffles 7 symmetrically installed at the opening of the treatment chamber, the lower surfaces of the baffles 7 are welded at the opening of the treatment chamber, bearing seats 8 are installed at the upper ends of the two baffles 7 in a welding mode, the outer sides of the two bearing seats 8 are respectively connected to two ends of one rotary roller 2 through bearings, meanwhile, the two bearing seats 8 are used for supporting the upper rotary roller 2, the upper surface of the filter cloth 3 can be exposed from waste water, so that silicon powder is driven to separate from the waste water when the filter cloth 3 rotates, the two baffles 7 are limited from two sides of the filter cloth 3, and silicon powder slipping from two sides of the filter cloth 3 is reduced.

Referring to fig. 3 and 4, the two sides of the treatment chamber are provided with side plates 9 in a welding manner, one sides of the two side plates 9 are respectively inserted into two sides of the filter cloth 3, two ends of the side plates 9 are provided with arc grooves 10 adapted to the outer sides of the rotary roller 2, openings of the two sides of the filter cloth 3 are respectively blocked by the two side plates 9, the outer sides of the rotary roller 2 are respectively attached to the arc grooves 10, gaps between the two sides of the filter cloth 3 and the two sides of the treatment chamber are shielded, and silicon powder falling into the gaps is reduced.

Referring to fig. 1 and 3, a mud discharging port 11 is formed in one side, far away from the filter cloth 3, of the waste residue cavity 5, a sealing door 12 is mounted on the outer edge of the mud discharging port 11 through a hinge, a bolt is mounted on the sealing door 12, the technical scheme is that in the prior art, the sealing door 12 is opened, collected silicon powder can be drawn out from the mud discharging port 11, otherwise, the sealing door 12 is closed, and the mud discharging port 11 can be plugged.

Referring to fig. 3, a bottom plate 13 is vertically installed on the lower wall of the treatment chamber in a welding manner, the bottom plate 13 is located under the filter cloth 3, under the impact of wastewater, part of silicon powder falls down obliquely along the upper part of the filter cloth 3 and falls on the lower wall of the treatment chamber, silicon powder on the lower wall of the treatment chamber is blocked by the bottom plate 13, and silicon powder leaked along with wastewater is reduced.

Referring to fig. 1 and 3, a drain pipe 14 is installed to penetrate the outside of the treatment chamber, the drain pipe 14 is located below the waste residue chamber 5, and finally, waste water is discharged along the drain pipe 14, and is separated from silicon powder in the waste residue chamber 5.

Working principle: during filtration, the servo motor 4 is started to drive a corresponding rotary roller 2 to rotate, the filter cloth 3 and the other rotary roller 2 are driven to rotate, the upper surface of the other rotary roller 2 rotates towards the direction of the waste residue cavity 5, as the filter cloth 3 faces the water outlet end of the water inlet pipe 1, waste water is sprayed on the filter cloth 3, the filter cloth 3 filters silicon powder in the waste water, the two rotary rollers 2 are driven to rotate, the upper surface of the filter cloth 3 can be exposed from the waste water by using the two bearing seats 8 to support the upper rotary roller 2, so that the silicon powder is driven to separate from the waste water when the filter cloth 3 rotates, the silicon powder is lifted when the silicon powder is filtered, and the two baffles 7 limit the silicon powder from two sides of the filter cloth 3, so that the silicon powder slipping from two sides of the filter cloth 3 is reduced.

The sharp point of the scraper 6 is pressed close to the filter cloth 3, silicon powder adhered to the surface of the filter cloth 3 is scraped off, so that the silicon powder falls into the waste residue cavity 5, is collected in the waste residue cavity 5 and separated from waste water, and does not intercept the waste water.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides a silica flour recovery unit in silicon processing waste water, includes treatment chamber, its characterized in that: the utility model provides a filter cloth (3) that is annular structure is equipped with between the outside of handling room for upper surface open structure and opening part, the upper edge of handling room is provided with inlet tube (1), the outside of inlet tube (1) is provided with two rotatory roller (2) that are parallel to each other, one of them rotatory roller (2) both ends all are connected in the inner wall of handling room, another rotatory roller (2) set up in the top of handling room and connect in unsettled mechanism, two the cover is equipped with filter cloth (3) that are annular structure between the outside of rotatory roller (2), the slope of relative vertical face of filter cloth (3), servo motor (4) are installed to one side of handling room, servo motor (4)'s output extends and carries out handling room inside and connect in one end of rotatory roller (2), waste residue chamber (5) are installed to one side that the inlet tube (1) was kept away from to the handling room, waste residue chamber (5) are located the below of another rotatory roller (2) and the opening part is installed scraper blade (6), curb plate (9) are all installed to the both sides of handling room, two one side of curb plate (9) are equipped with respectively in both sides of the both sides of rotatory curb plate (9) and arc groove (10) of mating roll (10).

2. A silicon powder recovery device in silicon processing wastewater according to claim 1, wherein: the suspension mechanism comprises two baffles (7) symmetrically arranged at the opening of the treatment chamber, bearing seats (8) are arranged at the upper ends of the two baffles (7), and the outer sides of the two bearing seats (8) are respectively connected with the two ends of one rotary roller (2).

3. A silicon powder recovery device in silicon processing wastewater according to claim 1, wherein: a sludge discharge port (11) is formed in one side, far away from the filter cloth (3), of the waste residue cavity (5), and a sealing door (12) is arranged at the outer edge of the sludge discharge port (11).

4. A silicon powder recovery device in silicon processing wastewater according to claim 1, wherein: the bottom plate (13) is vertically arranged on the lower wall of the treatment chamber, and the bottom plate (13) is positioned right below the filter cloth (3).

5. A silicon powder recovery device in silicon processing wastewater according to claim 1, wherein: the outside of the treatment chamber is provided with a drain pipe (14) in a penetrating way, and the drain pipe (14) is positioned below the waste residue cavity (5).