CN217418630U - Liquid changing device for solar silicon wafer cutting liquid - Google Patents

Abstract

The utility model belongs to the technical field of cutting fluid, in particular to a liquid changing device for solar silicon wafer cutting fluid, which comprises a stock solution tank and a filter tank, wherein the output end of the stock solution tank is provided with a fluid discharge pipe, the fluid discharge pipe is connected with a first booster pump, the output end of the filter tank is fixedly provided with a circulating fluid pipe, the output end of the circulating fluid pipe is connected with the stock solution tank, and the circulating fluid pipe is connected with a circulating pump; through all setting up in stoste case and rose box inside and trade liquid filtering mechanism, stoste incasement portion trades liquid filtering mechanism and is a set of filter plate who is crisscross distribution from top to bottom, can pull out filter plate from the top and insert and get and put, with the impurity on the clearance otter board, and the one-level filter, the mode that second grade filter and filter plate all can insert through pulling out is got and is put, with to the one-level filter, the second grade filter or filter plate wash or change, the setting of multiunit filter plate, can wash or change one by one, in order to reach and last stable filterability.

Description

Liquid changing device for solar silicon wafer cutting liquid

Technical Field

The utility model belongs to the technical field of the cutting fluid, concretely relates to solar energy silicon chip cutting fluid trades liquid device.

Background

In the process of cutting the photovoltaic solar silicon wafer, the silicon wafer cutting fluid is used as an auxiliary material consumable product which must be used in the process of cutting the silicon wafer, the using amount of the silicon wafer cutting fluid is expanded along with the growth of the photovoltaic solar industry and the silicon wafer processing industry of China, the cutting fluid mainly comprises two categories of oily cutting fluid and water-based cutting fluid according to component classification, and the first category of cutting fluid product mainly comprises the oily cutting fluid which takes mineral oil as a main component and contains mineral oil, an anticorrosive agent, an anti-extrusion machine and other substances; the cutting fluid is flammable and has great pollution to the environment, and meanwhile, a fluorine-containing alkane solvent is needed when the silicon wafer is cleaned, the second type of water-based cutting fluid product can be dissolved in water or dispersed by water, and the water is used for cleaning the silicon wafer, so that the water-based cutting fluid does not use an organic solvent and has no harm to a human body and the environment.

Current cutting fluid all need carry out recycle to the used cutting fluid when using, and can contain the silicon chip disintegrating slag in the cutting fluid of retrieving, consequently, needs multi-stage filtration to do not contain particle impurity in guaranteeing the recovery fluid, trades liquid filter mechanism at present and is difficult to will clear up filter mechanism in the circulation, need stop to trade the liquid process, just can last loop filter after the clearance finishes, has certain not enoughly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a liquid device is traded to solar energy silicon chip cutting fluid to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid changing device for solar silicon wafer cutting liquid comprises a stock solution tank and a filter tank, wherein a liquid discharge pipe is arranged at the output end of the stock solution tank, a first booster pump is connected onto the liquid discharge pipe, a circulating liquid pipe is fixedly arranged at the output end of the filter tank, the output end of the circulating liquid pipe is connected with the stock solution tank, a circulating pump is connected onto the circulating liquid pipe, a stock solution feeding pipe is fixedly connected onto the top of the stock solution tank, a plurality of filter screen plates which are distributed side by side and staggered up and down are arranged inside the stock solution tank, a detachable tank cover is arranged at the top of the stock solution tank, mounting plates corresponding to the number and the position of the filter screen plates are fixedly connected onto the top of the tank cover in an inserting manner, a first partition plate and a second partition plate are fixedly arranged on the inner side wall of the filter tank, and a first leakage hole is formed in the middle position of the first partition plate, the filter box is characterized in that a second leak hole is formed in one side of the second partition plate, a plurality of groups of first-stage filter plates are uniformly distributed from outside to inside at the top of the first partition plate, a plurality of parallel second-stage filter plates are distributed at the bottom of the second partition plate in a vertically staggered mode, the second-stage filter plates are fixedly connected with the filter box in an inserted mode, and the first-stage filter plates are fixedly connected with the first partition plate in an inserted mode.

Preferably, the first-stage filter plate comprises an arc-shaped filter plate and a circular filter plate, the circular filter plate is fixedly arranged at the top of the first partition plate in an inserted manner and is located at the outer edge of the first leakage hole, the arc-shaped filter plates are arranged in a plurality of numbers and distributed on the outer side of the arc-shaped filter plate in concentric circles, the arc-shaped filter plates on the inner layer and the outer layer are distributed in a staggered manner, and the arc-shaped filter plates are fixedly arranged at the top of the first partition plate in an inserted manner.

Preferably, the second grade filter is pegged graft and is fixed on the inside wall of rose box, correspond on the outside wall of rose box second grade filter department has the slot, and is a plurality of form serpentine channel between the second grade filter.

Preferably, the inner side wall of the stock solution tank is fixedly provided with a sliding rail, and the filter screen plate is inserted into the inner side of the sliding rail in a sliding manner.

Preferably, the filter screen plate, the second-stage filter plate and the first-stage filter plate all comprise a mesh plate and a filter membrane, and the filter membrane is attached and fixed on the outer wall of the mesh plate.

Preferably, a handle is fixedly arranged at the top of the mounting plate.

Preferably, the top surface of the first partition plate is a bucket surface inclined towards the first leak hole, and the top surface of the second partition plate is a wedge surface inclined towards the second leak hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an all set up at stoste case and rose box inside and trade liquid filtering mechanism, stoste incasement portion trades liquid filtering mechanism and is a set of filter plate who is crisscross distribution from top to bottom, filter plate's top fixed connection mounting panel, can hand the mounting panel and pull out filter plate from the top and insert and get, with the impurity on the clearance otter board, and the one-level filter, the second grade filter is got with filter plate and all can get through the mode of pulling out and inserting, with to the one-level filter, the second grade filter or filter plate wash or change, the setting of multiunit filter plate, can wash or change gradually, in order to reach the filterability that lasts stably.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic top view of the raw liquid tank of the present invention;

FIG. 3 is a schematic top view of the filtering box of the present invention;

fig. 4 is a schematic view of the installation structure of the middle filter screen plate of the present invention.

In the figure: 1. a stock solution tank; 11. a box cover; 12. mounting a plate; 121. a handle; 13. a slide rail; 2. a filter screen plate; 21. a mesh plate; 22. a filtration membrane; 3. a stock solution feed tube; 4. a liquid discharge pipe; 5. a first booster pump; 6. a circulation pump; 7. a circulating liquid pipe; 8. a filter box; 81. a first separator; 811. a first leak hole; 82. a second separator; 821. a second leak hole; 83. a secondary filter plate; 9. a first-stage filter plate; 91. an arc-shaped filter plate; 92. a circular filter plate.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a liquid changing device for solar silicon wafer cutting liquid comprises a stock solution tank 1 and a filter tank 8, wherein the output end of the stock solution tank 1 is provided with a liquid discharge pipe 4, the liquid discharge pipe 4 is connected with a first booster pump 5, the output end of the filter tank 8 is fixedly provided with a circulating liquid pipe 7, the output end of the circulating liquid pipe 7 is connected with the stock solution tank 1, the circulating liquid pipe 7 is connected with a circulating pump 6, the top of the stock solution tank 1 is fixedly connected with a stock solution feed pipe 3, the interior of the stock solution tank 1 is provided with a plurality of filter screen plates 2 which are distributed side by side and staggered up and down, the top of the stock solution tank 1 is provided with a detachable tank cover 11, the top of the tank cover 11 is fixedly inserted with mounting plates 12 corresponding to the number positions of the filter screen plates 2, the top of the filter screen plates 2 is fixedly connected with the tank cover 11, the inner side wall of the filter tank 8 is fixedly provided with a first partition plate 81 and a second partition plate 82, the middle position of the first partition plate 81 is provided with a first leakage hole 811, second small opening 821 has been seted up to the unilateral of second baffle 82, and the top of first baffle 81 is equipped with the one-level filter 9 of multiunit from outer to interior evenly distributed, and the bottom of second baffle 82 is equipped with the second grade filter 83 of a plurality of parallels of crisscross distribution from top to bottom, and second grade filter 83 is pegged graft fixedly with rose box 8, and one-level filter 9 is pegged graft fixedly with first baffle 81.

In the embodiment, the liquid-changing filtering mechanisms are respectively arranged inside the stock solution tank 1 and the filtering tank 8, the input end of the stock solution tank 1 is provided with a liquid discharge pipe 4 for supplying liquid during cutting, the input side of the stock solution tank is provided with a stock solution feeding pipe 3 for supplying stock solution and a circulating liquid pipe 7 for supplying circulating liquid, the liquid-changing filtering mechanisms inside the stock solution tank 1 are a group of filtering screen plates 2 which are distributed in a vertical staggered manner, the top parts of the filtering screen plates 2 are fixedly connected with a mounting plate 12, the filtering screen plates 2 can be pulled and inserted from the upper part by holding the mounting plate 12 to clean impurities on the screen plates, the liquid-changing filtering mechanisms of the filtering tank 8 are two groups and are separated by a first partition plate 81 and a second partition plate 82, the upper stage filtering plate 9 comprises a plurality of groups of arc-shaped filtering plates 91 and a middle circular filtering plate 92, and the cleaning liquid with the impurities is filtered by the plurality of groups of arc-shaped filtering plates 91 and is finally filtered by the circular filtering plates 92, then flow to second grade filter 83 through first small opening 811 and second small opening 821, form serpentine channel between the second grade filter 83, further filter the washing liquid, then flow to stoste case 1 in through circulating liquid pipe 7, still can pass through the filtration of multiunit filter screen 2, in order to guarantee that the washing liquid that spouts to the silicon chip all is free of impurity, one-level filter 9, second grade filter 83 and filter screen 2 reduce the filtration aperture to impurity in proper order, wherein, filter screen 2 can guarantee that the silicon chip piece can't pass through, and one-level filter 9, second grade filter 83 and filter screen 2 all can be got through the mode of pulling out and inserting and put, in order to wash or change to one-level filter 9, second grade filter 83 or filter screen 2, the setting of multiunit, can wash or change by one step, in order to reach lasting stable filterability.

Wherein, filter plate 2, second grade filter 83 and one-level filter 9 all include mesh plate 21 and filtration membrane 22, and filtration membrane 22 is attached to be fixed on mesh plate 21's outer wall, and filtration membrane 22 adopts filter bag formula non-woven fabrics filter membrane for silicon chip sediment matter in the filtering and washing liquid, mesh plate 21 adopt the mesh panel of alloy material, and filtration membrane 22 overlaps on mesh plate 21, and mesh plate 21 plays the effect of supporting the design to filtration membrane 22.

Specifically, the top surface of the first partition plate 81 is a funnel surface inclined toward the first leak hole 811, the top surface of the second partition plate 82 is a wedge surface inclined toward the second leak hole 821, the first-stage filter plate 9 includes arc-shaped filter plates 91 and circular filter plates 92, the circular filter plates 92 are fixedly inserted into the top of the first partition plate 81 and are located at the outer edge of the first leak hole 811, the plurality of arc-shaped filter plates 91 are concentrically distributed outside the arc-shaped filter plates 91, the arc-shaped filter plates 91 are alternately distributed, the arc-shaped filter plates 91 are fixedly inserted into the top of the first partition plate 81, the cutting fluid flowing down from above collects from the periphery to the middle under the action of a funnel-shaped collecting cylinder at the top, and sequentially passes through the plurality of layers of arc-shaped filter plates 91 in the process of flowing to the middle, finally reaches the circular filter plates 92, and flows from the first leak hole 811 to the top of the second partition plate 82 after being primarily filtered by the arc-shaped filter plates 91 and the circular filter plates 92, and continuously flows downwards in the direction of the second leak 821, and then reaches the second-stage filter plate 83, when the arc-shaped filter plate 91 or the circular filter plate 92 is blocked, the arc-shaped filter plate 91 and the circular filter plate 92 can be pulled out upwards, then the filter membrane 22 is replaced or cleaned, and then the filter membrane is inserted into the original position again, the pulling and inserting process is performed from outside to inside or from inside to outside in order, and the filtering effectiveness can be ensured.

It is specific, the second grade filter 83 is pegged graft and is fixed on the inside wall of rose box 8, it has the slot to correspond second grade filter 83 department on the lateral wall of rose box 8, form serpentine channel between a plurality of second grade filters 83, the washing liquid through the primary filtration of one-level filter 9 continues to flow to multiunit second grade filter 83, the in-process that flows, it filters by multiunit second grade filter 83, appear blocking the back when second grade filter 83, then can follow the side and pull out and insert second grade filter 83, pull out and insert the process and go on in order by unilateral to the opposite side, can guarantee filterable validity.

Specifically, fixed slide rail 13 that is equipped with on the inside wall of stoste case 1, filter screen plate 2 and slide and assign in the inboard of slide rail 13, and the fixed handle 121 that is equipped with in top of mounting panel 12 can hand handle 121 when using, outwards extracts mounting panel 12, and the filter screen plate 2 of fixing on mounting panel 12 can slide in slide rail 13 inboard, and wherein the mesh board 21 is fixed with mounting panel 12, and filtration membrane 22 cover is in the mesh board 21 outside.

The utility model discloses a theory of operation and use flow: the input end of a stock solution box 1 is provided with a liquid discharge pipe 4 for supplying liquid during cutting, the input side is provided with a stock solution feeding pipe 3 for supplying stock solution and a circulating liquid pipe 7 for supplying circulating liquid, wherein liquid changing and filtering mechanisms in the stock solution box 1 are a group of filter screen plates 2 which are distributed in an up-down staggered manner, the top parts of the filter screen plates 2 are fixedly connected with a mounting plate 12, the filter screen plates 2 can be pulled and inserted from the upper part by holding the mounting plate 12 to clean impurities on the filter screen plates, the liquid changing and filtering mechanisms of the filter box 8 are two groups and are separated by a first partition plate 81 and a second partition plate 82, a first-stage filter plate 9 at the upper side comprises a plurality of groups of arc-shaped filter plates 91 and a circular filter plate 92 at the middle position, cleaning liquid with impurities flows from the outside to the inside, is filtered by the plurality of groups of arc-shaped filter plates 91 and finally flows to a second-stage filter plate 83 through a first leakage hole 811 and a second leakage hole 821, form serpentine channel between the second grade filter 83, further filter the washing liquid, then flow to the stoste case 1 in through circulating liquid pipe 7, still can pass through the filtration of multiunit filter screen 2, all no impurity in order to guarantee to spout the washing liquid to the silicon chip, one-level filter 9, second grade filter 83 reduces to the filtration aperture of impurity with filtering screen 2 in proper order, wherein, it can guarantee that the silicon chip piece can't pass through to filter screen 2, and one-level filter 9, second grade filter 83 gets with filtering screen 2 all to put through the mode of pulling out the plug, with to one-level filter 9, second grade filter 83 or filtering screen 2 wash or change, the setting of multiunit filter plate, can wash or change one by one, in order to reach lasting stable filterability.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a solar energy silicon chip cutting fluid trades liquid device which characterized in that: comprises a stock solution tank (1) and a filter tank (8), wherein the output end of the stock solution tank (1) is provided with a liquid discharge pipe (4), the liquid discharge pipe (4) is connected with a first booster pump (5), the output end of the filter tank (8) is fixedly provided with a circulating liquid pipe (7), the output end of the circulating liquid pipe (7) is connected with the stock solution tank (1), the circulating liquid pipe (7) is connected with a circulating pump (6), the top of the stock solution tank (1) is fixedly connected with a stock solution feed pipe (3), the interior of the stock solution tank (1) is provided with a plurality of filter screen plates (2) which are distributed side by side and staggered up and down, the top of the stock solution tank (1) is provided with a detachable tank cover (11), the top of the tank cover (11) is fixedly connected with a mounting plate (12) corresponding to the number and position of the filter screen plates (2), and the top of the filter screen plates (2) is fixedly connected with the tank cover (11), fixed first baffle (81) and second baffle (82) of being equipped with on the inside wall of rose box (8), first small opening (811) have been seted up to the intermediate position department of first baffle (81), second small opening (821) have been seted up to the unilateral of second baffle (82), the top of first baffle (81) is equipped with multiunit from outer to interior evenly distributed's one-level filter (9), the bottom of second baffle (82) is equipped with two-level filter (83) of a plurality of parallels of crisscross distribution from top to bottom, two-level filter (83) with rose box (8) are pegged graft fixedly, one-level filter (9) with first baffle (81) are pegged graft fixedly.

2. The liquid changing device for the solar silicon wafer cutting liquid according to claim 1, wherein: one-level filter (9) are including arc filter plate (91) and circular filter plate (92), circular filter plate (92) are pegged graft and are fixed to be set up the top of first baffle (81) is and are located the outer fringe department of first small opening (811), arc filter plate (91) set up to a plurality ofly, and are concentric circles and distribute in the outside of arc filter plate (91), and the ectonexine arc filter plate (91) crisscross distribution, arc filter plate (91) are pegged graft and are fixed the top of first baffle (81).

3. The liquid changing device for the solar silicon wafer cutting liquid according to claim 1, wherein: the second grade filter (83) are pegged graft and are fixed on the inside wall of rose box (8), correspond on the lateral wall of rose box (8) second grade filter (83) department has the slot, and is a plurality of form serpentine channel between second grade filter (83).

4. The liquid changing device for the solar silicon wafer cutting liquid according to claim 1, wherein: the utility model discloses a filter screen plate, including stoste case (1), be equipped with on the inside wall of stoste case (1) fixed slide rail (13), filter screen plate (2) slide to assign in the inboard of slide rail (13).

5. The liquid changing device for the solar silicon wafer cutting liquid according to claim 1, wherein: filter otter board (2), second grade filter (83) and one-level filter (9) and all include mesh board (21) and filtration membrane (22), filtration membrane (22) are attached to be fixed on the outer wall of mesh board (21).

6. The liquid changing device for the solar silicon wafer cutting liquid according to claim 1, wherein: the top of the mounting plate (12) is fixedly provided with a handle (121).

7. The liquid changing device for the solar silicon wafer cutting liquid according to claim 1, wherein: the top surface of the first partition plate (81) is a bucket surface inclined towards the first leakage hole (811), and the top surface of the second partition plate (82) is a wedge surface inclined towards the second leakage hole (821).

Images