CN102772924A - Solid-liquid separating device for cutting waste liquid - Google Patents
Solid-liquid separating device for cutting waste liquid Download PDFInfo
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- CN102772924A CN102772924A CN2012102463831A CN201210246383A CN102772924A CN 102772924 A CN102772924 A CN 102772924A CN 2012102463831 A CN2012102463831 A CN 2012102463831A CN 201210246383 A CN201210246383 A CN 201210246383A CN 102772924 A CN102772924 A CN 102772924A
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Abstract
The invention discloses a low-cost solid-liquid separating device for cutting waste liquid. The solid-liquid separating device for the cutting waste liquid comprises a separating conical barrel, a large-diameter end of the separating conical barrel is upward and is provided with a cutting waste liquid inlet, a small-diameter end of the separating conical barrel is provided with a detachable plugging structure, the upper portion of the separating conical barrel is provided with a polyethylene glycol liquid outlet, and an included angle formed between the inner wall of the separating conical barrel and the direction of gravity ranges from 5 degrees to 45 degrees. The solid-liquid separating device is simple in structure, quite convenient to manufacture and suitable for popularization and application in the field of cutting waste liquid treatment equipment, solid-liquid separation can be performed for the cutting waste liquid only at low cost, and production cost is greatly reduced.
Description
Technical field
The present invention relates to cutting waste liquor treatment facility field, especially a kind of equipment for separating liquid from solid that is used for cutting waste liquor.
Background technology
Silicon chip is the main production material in semiconductor and photovoltaic field; The multi-thread cutting technique of silicon chip is present more advanced in the world silicon chip process technology, and it is different from cutting modes such as traditional knife saw sheet, grinding wheel, also is different from advanced cut and interior circle cutting; Its principle is that the steel wire through a high-speed motion drives and attached to the cutting liquid on the steel wire silicon rod rubbed; Thereby reach cutting effect, in whole process, steel wire is through the guiding of line roller; Form a bracing cable net on the online roller, and workpiece to be processed is realized the feeding of workpiece through the decline of workbench.The multi-thread cutting technique of silicon chip is compared with other technologies has the efficient height, and production capacity is high, the precision advantages of higher, and therefore, multi-thread cutting technique is a silicon chip cutting technique the most widely at present.
In multi-thread cutting technique; Employed cutting liquid is normally formulated according to a certain percentage by the silicon-carbide particle about polyethylene glycol and 1200 orders, and cutting liquid inevitably can mix with the silica flour under the cutting in the process of cutting silicon rod, forms a large amount of cutting waste liquors; And the part silicon-carbide particle can breakage occur because of dissection in the cutting liquid; Make the order number of partially carbonized silicon increase, therefore, cutting waste liquor can't directly reuse.Contain a lot of resources in the cutting waste liquor, such as carborundum, silica flour or the like, if directly emit, not only cause the waste resource, also pollute the environment simultaneously, therefore, be the difficult problem of photovoltaic industry for the processing of cutting waste liquor always.
At present; Processing method for cutting waste liquor adopts following mode usually: at first; Cutting waste liquor is carried out Separation of Solid and Liquid; The polyethylene glycol liquid that is about in the cutting waste liquor separates with silicon-carbide particle, silicon powder particle, obtains polyethylene glycol liquid and the carborundum solid that is mixed with silica flour, and isolated polyethylene glycol liquid is through further can become the recycling of cutting liquid as preparation of raw material after the processing once more; Then; The carborundum that is mixed with silica flour to separating carries out hierarchical processing; Remove the order number greater than 1300 purpose superfine silicon carbides, the less carborundum of remaining order number can be made into new cutting liquid to be continued to use, because the density of carborundum and silica flour is more or less the same; Therefore, all contain silica flour no matter be in remaining carborundum or the superfine silicon carbide of separating; At last, the number of separating is the bigger superfine silicon carbide that is mixed with silica flour emits through after the chemical treatment.Existing cutting waste liquor processing mode only can be recycled polyethylene glycol and a part of carborundum, generally can't effectively recycle for superfine silicon carbide in the cutting waste liquor and silica flour.
At present, separate the centrifugal mode of separating of main employing with carborundum, silicon grain for the polyethylene glycol liquid in the cutting waste liquor, promptly; In cutting waste liquor, add a certain amount of water earlier, polyethylene glycol is dissolved in the water fully, then aforesaid liquid is fed horizontal spiral centrifuge; Handle through multistage centrifugal, realize that polyethylene glycol liquid separates with carborundum, silicon grain, then polyethylene glycol is distilled processing can obtain polyethylene glycol; This mode needs special centrifugation apparatus and the distillation equipment bought, and the cost of input is bigger, and; These two kinds of equipment need consume a large amount of electric energy when work, further increased production cost.
Summary of the invention
Technical problem to be solved by this invention provides a kind of lower-cost equipment for separating liquid from solid that is used for cutting waste liquor.
The technical solution adopted for the present invention to solve the technical problems is: this is used for the equipment for separating liquid from solid of cutting waste liquor; Comprise the separation conically shaped; The bigger diameter end that separates conically shaped up and be provided with the cutting waste liquor import; The miner diameter end of said separation conically shaped is provided with dismountable plugging structure, and said separation conically shaped top is provided with the polyethylene glycol liquid outlet, and the inwall of said separation conically shaped and the angle of gravity direction are 5 °~45 °.
Further be that the inwall of said separation conically shaped and the angle of gravity direction are 25 °.
Further be; Be provided with the assistant depositing cone in the said separation conically shaped; Said assistant depositing cone is positioned at the miner diameter end that separates conically shaped, and there is the gap in the awl point of assistant depositing cone between the bottom margin of assistant depositing cone and the inwall that separates conically shaped up.
Further be; Be provided with auxiliary wriggling awl tube in the said separation conically shaped; Said auxiliary wriggling awl tube is arranged on assistant depositing cone below; There is the gap in the bigger diameter end of the both ends open of auxiliary wriggling awl tube and auxiliary wriggling awl tube between the bottom margin of auxiliary wriggling awl tube and the inwall that separates conically shaped down.
Further be that the top of said separation conically shaped is provided with overfall.
Further be at the miner diameter end that separates conically shaped valve to be set and to form described plugging structure.
The invention has the beneficial effects as follows: this equipment for separating liquid from solid, simple in structure, only need cutting waste liquor is injected in the separation conically shaped through the cutting waste liquor import; Under the gravity effect, silicon-carbide particle can be deposited on the inwall that separates conically shaped gradually with silica flour, and piles up along the inwall that the tilts bottom that slides to separation cone shape tube down of wriggling gradually; Deng being stacked into to a certain degree, plugging structure is removed, the carborundum that is mixed with silica flour is discharged from the miner diameter end that separates conically shaped; Polyethylene glycol liquid in the separation conically shaped is then discharged from the polyethylene glycol liquid outlet; Realize Separation of Solid and Liquid, whole apparatus structure is simple, and processing and fabricating is very convenient; Only need very low cost to accomplish cutting waste liquor is carried out Separation of Solid and Liquid, greatly reduce production cost.
Description of drawings
Fig. 1 is the structural representation that the present invention is used for the equipment for separating liquid from solid of cutting waste liquor;
Be labeled as among the figure: separate conically shaped 201, cutting waste liquor import 202, plugging structure 203, polyethylene glycol liquid outlet 204, assistant depositing cone 205, auxiliary wriggling awl tube 206, overfall 207.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
As shown in Figure 1; This equipment for separating liquid from solid that is used for cutting waste liquor comprises separation conically shaped 201; The bigger diameter end that separates conically shaped 201 up and be provided with cutting waste liquor import 202; The miner diameter end of said separation conically shaped 201 is provided with dismountable plugging structure 203, and said separation conically shaped 201 tops are provided with polyethylene glycol liquid outlet 204, and the inwall of said separation conically shaped 201 and the angle of gravity direction are 5 °~45 °.The equipment for separating liquid from solid of this structure, simple in structure, only need cutting waste liquor is injected in the separation conically shaped 201 through cutting waste liquor import 202; Under the gravity effect, silicon-carbide particle can be deposited on the inwall that separates conically shaped 201 gradually with silica flour, and piles up along the inwall that the tilts bottom that slides to separation cone shape tube 201 down of wriggling gradually; Deng being stacked into to a certain degree, plugging structure 203 is removed, the carborundum that is mixed with silica flour is discharged from the miner diameter end that separates conically shaped 201; The polyethylene glycol liquid that separates in the conically shaped 201 is then discharged from polyethylene glycol liquid outlet 204; Realize Separation of Solid and Liquid, whole apparatus structure is simple, and processing and fabricating is very convenient; Only need very low cost to accomplish cutting waste liquor is carried out Separation of Solid and Liquid, greatly reduce production cost.
For the carborundum that is deposited on the inwall that separates conically shaped 201 and silica flour are piled up along the inwall that separates conically shaped 201 that the tilts bottom that slides to separation cone shape tube 201 down of wriggling gradually smoothly, the inwall of said separation conically shaped 201 and the angle of gravity direction are preferably 25 °.
In order to accelerate the deposition process of silicon-carbide particle and silica flour; In separating conically shaped 201, be provided with assistant depositing cone 205; Said assistant depositing cone 205 is positioned at the miner diameter end that separates conically shaped 201, and there is the gap in the awl point of assistant depositing cone 205 between the bottom margin of assistant depositing cone 205 and the inwall that separates conically shaped 201 up; Through assistant depositing cone 205 is set; Can make carborundum and silicon powder deposit in the middle of the separation cone shape tube 201 on the conical surface of assistant depositing cone 205, fall along conical surface downslide and from the bottom margin of assistant depositing cone 205 and gap between the inwall that separates conically shaped 201 then and be stacked into the bottom of separating conically shaped 201, accelerate the deposition process of silicon-carbide particle and silica flour greatly; Shorten the needed time of deposition of silicon-carbide particle and silica flour, improved efficient.
Pile up along the inwall that separates conically shaped 201 that the tilts bottom that slides to separation cone shape tube 201 down of wriggling gradually smoothly in order further to make the carborundum that is deposited on the inwall that separates conically shaped 201 and silica flour; In separating conically shaped 201, be provided with auxiliary wriggling awl tube 206; Said auxiliary wriggling awl tube 206 is arranged on assistant depositing cone 205 belows; The bigger diameter end of the both ends open of auxiliary wriggling awl tube 206 and auxiliary wriggling awl tube 206 down; There is the gap between auxiliary wriggle bottom margin of boring tube 206 and the inwall that separates conically shaped 201; The course of work that should assist wriggles bores tube 206 is following: the auxiliary liquid of boring 206 below of wriggling gets more and more and makes progress mobile along with separating carborundum and the silica flour piled up conically shaped 201 bottoms; The move upward bottom of running into assistant depositing cone 205 of this partially liq flows downward along the slit between assistant depositing cone 205 and the auxiliary wriggling awl tube 206 then and flows to auxiliary wriggling cone below through auxiliary wriggling awl tube 206 bottom margins with the gap of separating between conically shaped 201 inwalls; This partially liq can drive the carborundum and the silica flour that are deposited on separation conically shaped 201 inwalls and move downward in flow process, play the purpose of auxiliary wriggling.
The cutting waste liquor that separates in the conically shaped 201 is too much for fear of injecting; Causing cutting waste liquor to scatter overflows; Top separating conically shaped 201 is provided with overfall 207; Through overfall 207 unnecessary cutting waste liquor is overflowed to appointed positions, avoid scattering overflowing and cause unnecessary trouble to production process.
Said plugging structure 203 can adopt modes such as plug, stopper to realize; As preferred mode be: at the miner diameter end that separates conically shaped 201 valve is set and forms described plugging structure 203; This plugging structure 203 need not remove it can realize discharging the fixing purpose of carborundum that is mixed with silica flour, and operation is very easy.
Claims (6)
1. the equipment for separating liquid from solid that is used for cutting waste liquor; It is characterized in that: comprise and separate conically shaped (201); The bigger diameter end that separates conically shaped (201) up and be provided with cutting waste liquor import (202); The miner diameter end of said separation conically shaped (201) is provided with dismountable plugging structure (203), and said separation conically shaped (201) top is provided with polyethylene glycol liquid outlet (204), and the inwall of said separation conically shaped (201) and the angle of gravity direction are 5 °~45 °.
2. the equipment for separating liquid from solid that is used for cutting waste liquor as claimed in claim 1 is characterized in that: the inwall of said separation conically shaped (201) and the angle of gravity direction are 25 °.
3. the equipment for separating liquid from solid that is used for cutting waste liquor as claimed in claim 2; It is characterized in that: be provided with assistant depositing cone (205) in the said separation conically shaped (201); Said assistant depositing cone (205) is positioned at the miner diameter end that separates conically shaped (201); There is the gap in the awl point of assistant depositing cone (205) between the bottom margin of assistant depositing cone (205) and the inwall that separates conically shaped (201) up.
4. the equipment for separating liquid from solid that is used for cutting waste liquor as claimed in claim 3; It is characterized in that: be provided with auxiliary wriggling awl tube (206) in the said separation conically shaped (201); Said auxiliary wriggling awl tube (206) is arranged on assistant depositing cone (205) below; There is the gap in the bigger diameter end of the both ends open of auxiliary wriggling awl tube (206) and auxiliary wriggling awl tube (206) between the bottom margin of auxiliary wriggling awl tube (206) and the inwall that separates conically shaped (201) down.
5. according to the described equipment for separating liquid from solid that is used for cutting waste liquor of any claim in the claim 1 to 4, it is characterized in that: the top of said separation conically shaped (201) is provided with overfall (207).
6. the equipment for separating liquid from solid that is used for cutting waste liquor as claimed in claim 5 is characterized in that: at the miner diameter end that separates conically shaped (201) valve is set and forms described plugging structure (203).
Priority Applications (1)
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CN201210246383.1A CN102772924B (en) | 2012-07-17 | 2012-07-17 | Solid-liquid separating device for cutting waste liquid |
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CN201210246383.1A CN102772924B (en) | 2012-07-17 | 2012-07-17 | Solid-liquid separating device for cutting waste liquid |
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CN102772924B CN102772924B (en) | 2014-10-22 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN86107101A (en) * | 1986-10-08 | 1987-09-02 | 核工业部第六研究所 | Particulate material equipment for separating liquid from solid and process system |
CN2206283Y (en) * | 1994-11-25 | 1995-08-30 | 旷昌平 | Fluorhydric acid purified liquid and solid separating rakeless setting path |
CN201157705Y (en) * | 2008-01-31 | 2008-12-03 | 建业庆松集团有限公司 | High-efficiency solid-liquid separator |
JP2009172458A (en) * | 2008-01-21 | 2009-08-06 | Kawasetsu:Kk | Continuous flocculation treatment apparatus of polluted water |
CN202212034U (en) * | 2011-08-31 | 2012-05-09 | 邹平县海华纸业有限公司 | Continuous settling column |
CN202654760U (en) * | 2012-07-17 | 2013-01-09 | 乐山新天源太阳能科技有限公司 | Solid-liquid separation device for cutting waste liquid |
-
2012
- 2012-07-17 CN CN201210246383.1A patent/CN102772924B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86107101A (en) * | 1986-10-08 | 1987-09-02 | 核工业部第六研究所 | Particulate material equipment for separating liquid from solid and process system |
CN2206283Y (en) * | 1994-11-25 | 1995-08-30 | 旷昌平 | Fluorhydric acid purified liquid and solid separating rakeless setting path |
JP2009172458A (en) * | 2008-01-21 | 2009-08-06 | Kawasetsu:Kk | Continuous flocculation treatment apparatus of polluted water |
CN201157705Y (en) * | 2008-01-31 | 2008-12-03 | 建业庆松集团有限公司 | High-efficiency solid-liquid separator |
CN202212034U (en) * | 2011-08-31 | 2012-05-09 | 邹平县海华纸业有限公司 | Continuous settling column |
CN202654760U (en) * | 2012-07-17 | 2013-01-09 | 乐山新天源太阳能科技有限公司 | Solid-liquid separation device for cutting waste liquid |
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