CN106145909A - A kind of production method of solar energy polycrystalline silicon curing oven conveying roller - Google Patents
A kind of production method of solar energy polycrystalline silicon curing oven conveying roller Download PDFInfo
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- CN106145909A CN106145909A CN201510157041.6A CN201510157041A CN106145909A CN 106145909 A CN106145909 A CN 106145909A CN 201510157041 A CN201510157041 A CN 201510157041A CN 106145909 A CN106145909 A CN 106145909A
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Abstract
nullThe invention discloses the production method of a kind of solar energy polycrystalline silicon curing oven conveying roller，The method belongs to fused quartz ceramic field，Product of the present invention is with 20-40 mesh vitreous silica silicon powder 45-50%，60-90 mesh vitreous silica silicon powder 30-40%，120-160 mesh vitreous silica silicon powder 5%，210-230 mesh vitreous silica silicon powder 4%，Water 5%，Nanometre glue 0.30%，Polyacrylamide 0.25%，Ammonium persulfate 0.15%，Tetramethylethylenediamine 0.15%，Polyethylene glycol 200 0.15% is raw material，With blender、Ball mill、Forming machine、Kiln、Outer circular end grinding machine is equipment，Pass through dispensing、Cast、The demoulding、It is dried、Sintering、The works such as finishing are continuous to be produced，The transmission part of solar energy polycrystal/monocrystalline silicon piece that product produces as solar energy polycrystalline silicon curing oven，Can use within the scope of temperature below 1250 DEG C，There is within the scope of temperature below 1150 DEG C excellent hot property、Chemical stability and electrical insulation capability.
Description
Technical field
The invention belongs to fused quartz ceramic field, particularly relate to a kind of method producing fused quartz ceramic solar energy polycrystalline silicon curing oven conveying roller with molten silicon micro mist for raw material.
Background technology
Fused quartz ceramic is fused silica material that is a kind of with vitreous silica as raw material, that use ceramic production technology to make, is characterized in: thermal coefficient of expansion is little, Heat stability is good, electrical insulating property are good, chemerosiveness resistent is good；When the maximum advantage of quartz-ceramics is below l1O0 DEG C, its intensity increases with the rising of temperature, and during from room temperature to 1100 DEG C, its intensity can increase 30-33%, and when 1250 DEG C, product still can normally use.The major product of fused quartz ceramic is of a great variety, and the primary raw material that these products use is all vitreous silica silicon powder, and difference is only that the granularity shape different, auxiliary material difference, product of silicon powder is different.Currently; the world faces the dry crisis of global traditional energy; solar energy receives greatly concern as renewable clear energy sources; solar-photovoltaic technology; the technology i.e. converting solar energy into electrical energy is the important channel of Solar use, and polysilicon is the main raw material(s) of photovoltaic conversion, accounts for about the 50% of solar-energy photo-voltaic cell totle drilling cost; therefore, the production cost reducing polysilicon is the basic premise of universal photovoltaic.Polysilicon curing oven is one of key equipment of polysilicon manufacture, the stability of its technological process, the stability of equipment control and advance are directly connected to whether generate qualified polysilicon chip, and qualified polysilicon chip directly decides the photoelectric transformation efficiency of the battery that silicon chip is made.The present invention is a kind of solar energy polycrystalline silicon curing oven conveying roller, it is mainly used in: solar energy polycrystal/monocrystalline silicon piece that support and transmission curing oven are produced, this roller has density height, intensity is big, high temperature is indeformable, wear-resistant, the advantage of length in service life, and roll surface is smooth, fine and smooth, circular runout is little, and metallic roll compares its advantage and is: 1. do not produce cut, attached quarrel, crackle after product transmission；2. roll body easy cleaning, can easily remove surface attachments；3. will not at high temperature with space gases generation chemical reaction；4. heat transfer is low, thermal coefficient of expansion is low, is susceptible to the impact of ambient temperature fluctuation, and therefore roller surfaces heat is more evenly distributed；5. hot lower deflection is little, reduces the overproof scuffing causing polysilicon of circular runout.nullProduct of the present invention is with 20-40 mesh vitreous silica silicon powder、60-90 mesh vitreous silica silicon powder、120-160 mesh vitreous silica silicon powder、210-230 mesh vitreous silica silicon powder is raw material after mixing in proportion，And select suitable organic monomer、Crosslinking agent、Initiator、Catalyst、Dispersant is as auxiliary material，With blender、Ball mill、Forming machine、Kiln、Outer circular end grinding machine is equipment，Pass through dispensing、Cast、The demoulding、It is dried、Sintering、The works such as finishing are continuous to be produced，It is few that this production method has use equipment、Technique is simple、Pollution-free waste discharge、The series of advantages such as good product quality，Product solar energy polycrystalline silicon curing oven conveying roller can use within the scope of the temperature below 1250 DEG C，There is within the scope of temperature below 1150 DEG C excellent hot property、Chemical stability and electrical insulation capability.
Content of the invention
The problem that present invention mainly solves is to provide the production method of a kind of solar energy polycrystalline silicon curing oven conveying roller, the raw material weight proportioning producing the use of this product is: 20-40 mesh vitreous silica silicon powder 45-50%, 60-90 mesh vitreous silica silicon powder 30-40%, 120-160 mesh vitreous silica silicon powder 5%, 210-230 mesh vitreous silica silicon powder 4%, water 5%, nanometre glue 0.30%, polyacrylamide 0.25%, ammonium persulfate 0.15%, tetramethylethylenediamine 0.15%, polyethylene glycol 200 0.15%.
The present invention can be achieved through the following technical solutions:
The production method of a kind of solar energy polycrystalline silicon curing oven conveying roller, is characterized in that being made up of following steps:
(1) first the water of formula ratio, nanometre glue, polyacrylamide, ammonium persulfate, tetramethylethylenediamine, polyethylene glycol 200 are added in agitator tank, it is uniformly mixed under normal temperature, again the 20-40 mesh vitreous silica silicon powder of formula ratio, 60-90 mesh vitreous silica silicon powder, 120-160 mesh vitreous silica silicon powder, 210-230 mesh vitreous silica silicon powder are sent into ball mill ball milling 2.3-2.5 hour, add ball mill after mixture in agitator tank is heated to 25-30 DEG C, blend uniformly.
(2) filling the material in ball mill into solar energy polycrystalline silicon curing oven conveying roller mould, using the method cast molding of limit casting limit vibrations, then pressurization is sloughed mould after placing 26-28 hour, is more naturally dried 38-40 hour.
(3) roll body drying is sent into kiln and begin to warm up intensification, first through 2-3 hour time by sintering temperature slowly from 0 DEG C rise to 400 DEG C after, in 1 hours, sintering temperature is quickly risen to 1150-1200 DEG C from 400 DEG C again, stop heating after maintaining this temperature 26-28 hour, after being progressively cooled to normal temperature, obtain the blank material of solar energy polycrystalline silicon curing oven conveying roller.
(4) finished product is obtained after blank Liao Wai garden being milled to given size by solar energy polycrystalline silicon curing oven conveying roller blank material feeding grinding machine.
(5) purposes of solar energy polycrystalline silicon curing oven conveying roller is: as the transmission part of solar energy polycrystal/monocrystalline silicon piece that solar energy polycrystalline silicon curing oven produces.
The further technical scheme of the present invention is:
In solar energy polycrystalline silicon curing oven conveying roller mould described in step (2) material pressurization standing time be 27 hours；Natural flash-off time is 39 hours.
The sintering temperature in kiln described in step (3) is 1175 DEG C, and the total time of sintering is 27 hours.Kiln described in step (3) is coal gas generation shuttle kiln.
The invention has the beneficial effects as follows: provide a kind of method producing solar energy polycrystalline silicon curing oven conveying roller in batches, this production method has the series of advantages such as use equipment is few, technique is simple, pollution-free waste discharge, good product quality；Product solar energy polycrystalline silicon curing oven conveying roller has excellent hot property, chemical stability and electrical insulation capability below 1150 DEG C, and mainly as solar energy polycrystalline silicon curing oven, when producing, transmission solar energy polycrystal/monocrystalline silicon piece uses.
Detailed description of the invention
Further describe the present invention by following example.
Embodiment 1:
In agitator tank first by account for the water, 0.3% that total amount is 5% nanometre glue, 0.25% polyacrylamide, 0.15% ammonium persulfate, 0.15% tetramethylethylenediamine, 0.15% polyethylene glycol 200 add, it is uniformly mixed under normal temperature, again by accounting for the 60-90 mesh vitreous silica silicon powder of the 20-40 mesh vitreous silica silicon powder, 40% that total amount is 45%, the 120-160 mesh vitreous silica silicon powder of 5%, the 210-230 mesh vitreous silica silicon powder of 4% send into ball mill ball milling 2.3 hours, add ball mill after mixture in agitator tank is heated to 30 DEG C, blend uniformly；Filling the material in ball mill into solar energy polycrystalline silicon curing oven conveying roller mould, using the method cast molding of limit casting limit vibrations, then pressurization is sloughed mould after placing 26 hours, is more naturally dried 40 hours；The roll body drying is sent into kiln and begins to warm up intensification, first through 2 hours time by sintering temperature slowly from 0 DEG C rise to 400 DEG C after, in 1 hours, sintering temperature is quickly risen to 1150 DEG C from 400 DEG C again, maintain this temperature after 28 hours, to stop heating, after being progressively cooled to normal temperature, obtain the blank material of solar energy polycrystalline silicon curing oven conveying roller；Obtain finished product after blank Liao Wai garden is milled to given size by solar energy polycrystalline silicon curing oven conveying roller blank material feeding grinding machine.
Embodiment 2:
In agitator tank first by account for the water, 0.3% that total amount is 5% nanometre glue, 0.25% polyacrylamide, 0.15% ammonium persulfate, 0.15% tetramethylethylenediamine, 0.15% polyethylene glycol 200 add, it is uniformly mixed under normal temperature, again by accounting for the 60-90 mesh vitreous silica silicon powder of the 20-40 mesh vitreous silica silicon powder, 37.5% that total amount is 47.5%, the 120-160 mesh vitreous silica silicon powder of 5%, the 210-230 mesh vitreous silica silicon powder of 4% send into ball mill ball milling 2.4 hours, add ball mill after mixture in agitator tank is heated to 27.5 DEG C, blend uniformly；Filling the material in ball mill into solar energy polycrystalline silicon curing oven conveying roller mould, using the method cast molding of limit casting limit vibrations, then pressurization is sloughed mould after placing 27 hours, is more naturally dried 39 hours；The roll body drying is sent into kiln and begins to warm up intensification, first through 2.5 hours time by sintering temperature slowly from 0 DEG C rise to 400 DEG C after, in 1 hours, sintering temperature is quickly risen to 1175 DEG C from 400 DEG C again, maintain this temperature after 27 hours, to stop heating, after being progressively cooled to normal temperature, obtain the blank material of solar energy polycrystalline silicon curing oven conveying roller；Obtain finished product after blank Liao Wai garden is milled to given size by solar energy polycrystalline silicon curing oven conveying roller blank material feeding grinding machine.
Embodiment 3:
In agitator tank first by account for the water, 0.3% that total amount is 5% nanometre glue, 0.25% polyacrylamide, 0.15% ammonium persulfate, 0.15% tetramethylethylenediamine, 0.15% polyethylene glycol 200 add, it is uniformly mixed under normal temperature, again by accounting for the 60-90 mesh vitreous silica silicon powder of the 20-40 mesh vitreous silica silicon powder, 35% that total amount is 50%, the 120-160 mesh vitreous silica silicon powder of 5%, the 210-230 mesh vitreous silica silicon powder of 4% send into ball mill ball milling 2.5 hours, add ball mill after mixture in agitator tank is heated to 30 DEG C, blend uniformly；Filling the material in ball mill into solar energy polycrystalline silicon curing oven conveying roller mould, using the method cast molding of limit casting limit vibrations, then pressurization is sloughed mould after placing 26 hours, is more naturally dried 38 hours；The roll body drying is sent into kiln and begins to warm up intensification, first through 3 hours time by sintering temperature slowly from 0 DEG C rise to 400 DEG C after, in 1 hours, sintering temperature is quickly risen to 1200 DEG C from 400 DEG C again, maintain this temperature after 26 hours, to stop heating, after being progressively cooled to normal temperature, obtain the blank material of solar energy polycrystalline silicon curing oven conveying roller；Obtain finished product after blank Liao Wai garden is milled to given size by solar energy polycrystalline silicon curing oven conveying roller blank material feeding grinding machine.
Claims (5)
1. the production method of a solar energy polycrystalline silicon curing oven conveying roller, its composition of raw materials is count by weight percentage, comprising: 20-40 mesh vitreous silica silicon powder 45-50%, 60-90 mesh vitreous silica silicon powder 30-40%, 120-160 mesh vitreous silica silicon powder 5%, 210-230 mesh vitreous silica silicon powder 4%, water 5%, nanometre glue 0.30%, polyacrylamide 0.25%, ammonium persulfate 0.15%, tetramethylethylenediamine 0.15%, polyethylene glycol 200 0.15%；It is characterized in that:
(1) first the water of formula ratio, nanometre glue, polyacrylamide, ammonium persulfate, tetramethylethylenediamine, polyethylene glycol 200 are added in agitator tank, it is uniformly mixed under normal temperature, again the 20-40 mesh vitreous silica silicon powder of formula ratio, 60-90 mesh vitreous silica silicon powder, 120-160 mesh vitreous silica silicon powder, 210-230 mesh vitreous silica silicon powder are sent into ball mill ball milling 2.3-2.5 hour, add ball mill after mixture in agitator tank is heated to 25-30 DEG C, blend uniformly；
(2) filling the material in ball mill into solar energy polycrystalline silicon curing oven conveying roller mould, using the method cast molding of limit casting limit vibrations, then pressurization is sloughed mould after placing 26-28 hour, is more naturally dried 38-40 hour；
(3) roll body drying is sent into kiln and begin to warm up intensification, first through 2-3 hour time by sintering temperature slowly from 0 DEG C rise to 400 DEG C after, in 1 hours, sintering temperature is quickly risen to 1150-1200 DEG C from 400 DEG C again, stop heating after maintaining this temperature 26-28 hour, after being progressively cooled to normal temperature, obtain the blank material of solar energy polycrystalline silicon curing oven conveying roller；
(4) finished product is obtained after blank Liao Wai garden being milled to given size by solar energy polycrystalline silicon curing oven conveying roller blank material feeding grinding machine.
2. the production method of a kind of solar energy polycrystalline silicon curing oven conveying roller according to claim 1, is characterized in that: material in the solar energy polycrystalline silicon curing oven conveying roller mould described in step (2) pressurization standing time is 27 hours；Natural flash-off time is 39 hours.
3. the production method of a kind of solar energy polycrystalline silicon curing oven conveying roller according to claim 1, is characterized in that: the sintering temperature in kiln described in step (3) is 1175 DEG C, and the total time of sintering is 27 hours.
4. the production method of a kind of solar energy polycrystalline silicon curing oven conveying roller according to claim 1, is characterized in that: the kiln described in step (3) is coal gas generation shuttle kiln.
5. the purposes of solar energy polycrystalline silicon curing oven conveying roller is: as the transmission part of solar energy polycrystal/monocrystalline silicon piece that solar energy polycrystalline silicon curing oven produces.
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| CN201510157041.6A CN106145909A (en) | 2015-04-05 | 2015-04-05 | A kind of production method of solar energy polycrystalline silicon curing oven conveying roller |
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| CN201510157041.6A CN106145909A (en) | 2015-04-05 | 2015-04-05 | A kind of production method of solar energy polycrystalline silicon curing oven conveying roller |
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| CN106145909A true CN106145909A (en) | 2016-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000904A (en) * | 2019-05-23 | 2019-07-12 | 黄锡清 | A kind of mold for the production of fused quartz ceramic air bearing transmission platform material embryo |
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2015
- 2015-04-05 CN CN201510157041.6A patent/CN106145909A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000904A (en) * | 2019-05-23 | 2019-07-12 | 黄锡清 | A kind of mold for the production of fused quartz ceramic air bearing transmission platform material embryo |
| CN110000904B (en) * | 2019-05-23 | 2024-05-14 | 林金锡 | Die for producing fused quartz ceramic air-floatation transmission platform blank |
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Application publication date: 20161123 |