CN1850679A - Method for producing low-hydroxy-group squartz glass tube - Google Patents
Method for producing low-hydroxy-group squartz glass tube Download PDFInfo
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- CN1850679A CN1850679A CNA2006100405696A CN200610040569A CN1850679A CN 1850679 A CN1850679 A CN 1850679A CN A2006100405696 A CNA2006100405696 A CN A2006100405696A CN 200610040569 A CN200610040569 A CN 200610040569A CN 1850679 A CN1850679 A CN 1850679A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/04—Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/07—Impurity concentration specified
- C03B2201/075—Hydroxyl ion (OH)
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Abstract
The invention is a method for producing a low-hydroxyl quartz glass tube, characterized in that it selects 60-220 mesh high-purity quartz powder containing SiO2 >=99.90%, and impurities less than 30ppm, and dopes colorizing agent in 0.1-1.0% of the weight of the high-purity quartz powder, where the colorizing agent selects at least one of the divanadium triphosphate and cobalt oxide, mixed uniformly and dried; it adds the processed raw materials into a continuous melting quartz furnace and melts them, opens the gas outlet at the furnace mouth and discharges gas impurities, feeding the melted raw materials into a drawer for making tube drawing forming and draws them into blue quartz glass tubes; feeds the blue quartz glass tubes into a de-hydroxylation furnace for de-hydroxylation and obtaining the finished products. The hydroxyl content of the blue quartz glass tubes is generally lower than 1ppm and the products have good quality, and can be applied to special industries; and the process of the invention can implement continuous quartz glass tube production, having high productivity.
Description
Technical field
The present invention relates to the production method of a kind of production method of quartz glass tube, particularly a kind of low-hydroxy-group squartz glass tube.
Background technology
The quartz glass tube that the production method of quartz glass tube of the prior art is produced is colourless quartz glass tube, its production technique controllability is relatively poor, and hydroxy radical content is higher, can not be satisfied with some special industry demands, and generally be intermittent production, production efficiency is lower.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, and the production method of the simple low-hydroxy-group squartz glass tube of a kind of production technique is provided, and can produce blue, that hydroxy radical content is low, the measured quartz glass tube of matter with this method.
Technical problem to be solved by this invention is to realize by following technical scheme.The present invention is a kind of method of producing low-hydroxy-group squartz glass tube, is characterized in, its step is as follows:
(1) raw material is handled, and chooses to contain SiO
2〉=99.90%, foreign matter content is lower than 30ppm, 60-220 purpose high-purity ground quartz, mixes the tinting material that weight is the 0.1-1.0% of high-purity ground quartz, and described tinting material is selected from three phosphatizations, two vanadium and the cobalt oxide at least a, after mixing, and oven dry;
(2) will melt in the quartzy stove of raw material adding continuous smelting of above-mentioned processing, and open the fire door venting hole and discharge gaseous impurities, the raw material after the fusing pulls into blue quartz glass tube by the moulding of tractor blanking trombone slide;
(3) blue quartz glass tube is gone into to carry out in the deshydroxy stove must become the royal blue quartz glass tube after deshydroxy is handled.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production method of above-described a kind of low-hydroxy-group squartz glass tube is characterized in, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2〉=99.98%, foreign matter content is lower than 20ppm, 80-180 purpose high-purity ground quartz, mix the tinting material that weight is the 0.4-0.8% of high-purity ground quartz, described tinting material is selected from three phosphatizations, two vanadium and the cobalt oxide at least a, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 500-1000 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube;
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
Technical problem to be solved by this invention can also further realize by following technical scheme.
The production method of above-described a kind of low-hydroxy-group squartz glass tube is characterized in, during continuous melting, temperature remains on 1800-2200 ℃ in the quartzy stove of continuous smelting.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production method of above-described a kind of low-hydroxy-group squartz glass tube is characterized in, in the step (3), blue quartz glass tube is put into the deshydroxy stove, and after temperature in the stove reached 800-1200 ℃, vacuum tightness reached 1 * 10
-4---1 * 10
-2Pascal, after continuous constant temperature 5-12 hour, cooling is come out of the stove, and gets finished product.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production method of above-described a kind of low-hydroxy-group squartz glass tube is characterized in, in the step (3), blue quartz glass tube is put into the deshydroxy stove, and after temperature in the stove reached 1000-1100 ℃, vacuum tightness reached 3 * 10
-3Pascal, continuous constant temperature is after 8 hours, and cooling is come out of the stove, and gets finished product.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production method of above-described a kind of low-hydroxy-group squartz glass tube is characterized in, in step (1), described tinting material can be solid when mixing, and also can earlier it be dissolved into the aqueous solution and mix in the high-purity ground quartz.The concentration of colourant solution can be chosen on demand, generally is as the criterion with the intact tinting material of abundant dissolving.
Compared with prior art, the present invention has the following advantages:
1, technology of the present invention is simple, and easy to operate during production, controllability is strong;
2, adopt technology of the present invention can produce blue quartz glass tube, and its hydroxy radical content is lower, generally can be lower than 1ppm, quality product is better, applicable to industry need especially;
3, adopt technology of the present invention can realize producing uninterruptedly quartz glass tube, its production efficiency height.
Embodiment
Embodiment 1.A kind of method of producing low-hydroxy-group squartz glass tube, its step is as follows:
(1) raw material is handled, and chooses to contain SiO
2=99.90%, foreign matter content is 30ppm, 60 purpose high-purity ground quartzs, mixes weight and be 0.1% tinting material three phosphatizations two vanadium of high-purity ground quartz, after mixing, and oven dry;
(2) will melt in the quartzy stove of raw material adding continuous smelting of above-mentioned processing, and open the fire door venting hole and discharge gaseous impurities, the raw material after the fusing pulls into blue quartz glass tube by the moulding of tractor blanking trombone slide;
(3) blue quartz glass tube is gone into to carry out in the deshydroxy stove must become the royal blue quartz glass tube after deshydroxy is handled.
Embodiment 2.A kind of method of producing low-hydroxy-group squartz glass tube, its step is as follows:
(1) raw material is handled, and chooses to contain SiO
2=99.99%, foreign matter content is 20ppm, 220 purpose high-purity ground quartzs, mixes weight and be 1.0% tinting material cobalt oxide of high-purity ground quartz, after mixing, and oven dry;
(2) will melt in the quartzy stove of raw material adding continuous smelting of above-mentioned processing, and open the fire door venting hole and discharge gaseous impurities, the raw material after the fusing pulls into blue quartz glass tube by the moulding of tractor blanking trombone slide;
(3) blue quartz glass tube is gone into to carry out in the deshydroxy stove must become the royal blue quartz glass tube after deshydroxy is handled.
Embodiment 3.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.98%, foreign matter content is lower than 20ppm, 180 purpose high-purity ground quartzs, mix weight and be 0.4% tinting material of high-purity ground quartz, described tinting material is a cobalt oxide, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 500 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 1800 ℃ in the quartzy stove of continuous smelting.
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
Embodiment 4.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.97%, foreign matter content is lower than 20ppm, 80 purpose high-purity ground quartzs, mix weight and be 0.8% tinting material of high-purity ground quartz, described tinting material is three phosphatizations, two vanadium and the cobalt oxide mixture in any ratio, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 1000 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2200 ℃ in the quartzy stove of continuous smelting.
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
Embodiment 5.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.96%, foreign matter content is lower than 20ppm, 100 purpose high-purity ground quartzs, mix weight and be 0.6% tinting material of high-purity ground quartz, described tinting material is three phosphatizations, two vanadium and the cobalt oxide mixture in any ratio, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 900 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2000 ℃ in the quartzy stove of continuous smelting.
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
Embodiment 6.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.95%, foreign matter content is lower than 20ppm, 120 purpose high-purity ground quartzs, mix weight and be 0.5% tinting material of high-purity ground quartz, described tinting material is three phosphatizations, two vanadium and the cobalt oxide mixture in any ratio, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 600 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 1900 ℃ in the quartzy stove of continuous smelting.
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
Embodiment 7.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.94%, foreign matter content is lower than 20ppm, 150 purpose high-purity ground quartzs, mix weight and be 0.7% tinting material of high-purity ground quartz, described tinting material is magnesium oxide and the cobalt oxide mixture in any ratio, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 800 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2100 ℃ in the quartzy stove of continuous smelting.
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
Embodiment 8.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.93%, foreign matter content is lower than 20ppm, 200 purpose high-purity ground quartzs, mix weight and be 0.3% tinting material of high-purity ground quartz, described tinting material three phosphatizations two vanadium are after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 650 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2000 ℃ in the quartzy stove of continuous smelting.
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
Embodiment 9.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.98%, foreign matter content is lower than 20ppm, 120 purpose high-purity ground quartzs, mix weight and be 0.5% tinting material of high-purity ground quartz, described tinting material is a cobalt oxide, when mixing, earlier it being dissolved into the aqueous solution (ratio can be decided according to actual needs) mixes in the high-purity ground quartz again, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 900 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2000 ℃ in the quartzy stove of continuous smelting.
(3) blue quartz glass tube is put into the deshydroxy stove, after temperature in the stove reached 1000 ℃, vacuum tightness reached 3 * 10
-3Pascal, continuous constant temperature is after 8 hours, and cooling is come out of the stove, and gets finished product.
Embodiment 10.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.99%, foreign matter content is lower than 20ppm, 220 purpose high-purity ground quartzs, mix weight and be 0.2% tinting material of high-purity ground quartz, described tinting material is three phosphatizations, two vanadium, when mixing, earlier it being dissolved into the aqueous solution (ratio can be decided according to actual needs) mixes in the high-purity ground quartz again, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 600 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2050 ℃ in the quartzy stove of continuous smelting.
(3) blue quartz glass tube is put into the deshydroxy stove, after temperature in the stove reached 800 ℃, vacuum tightness reached 1 * 10
-4Pascal, continuous constant temperature is after 5 hours, and cooling is come out of the stove, and gets finished product.
Embodiment 11.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.96%, foreign matter content is lower than 12ppm, 60 purpose high-purity ground quartzs, mix weight and be 0.9% tinting material of high-purity ground quartz, described tinting material is three phosphatizations, two vanadium and cobalt oxide, when mixing, earlier this mixture being dissolved into the aqueous solution (ratio can be decided according to actual needs) mixes in the high-purity ground quartz again, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 1000 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2200 ℃ in the quartzy stove of continuous smelting.
(3) blue quartz glass tube is put into the deshydroxy stove, after temperature in the stove reached 1200 ℃, vacuum tightness reached 1 * 10
-2Pascal, continuous constant temperature is after 12 hours, and cooling is come out of the stove, and gets finished product.
Embodiment 12.A kind of production method of low-hydroxy-group squartz glass tube, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2=99.98%, foreign matter content is lower than 15ppm, 220 purpose high-purity ground quartzs, mix weight and be 0.6% tinting material of high-purity ground quartz, described tinting material is three phosphatizations, two vanadium and cobalt oxide, when mixing, earlier this mixture being dissolved into the aqueous solution (ratio can be decided according to actual needs) mixes in the high-purity ground quartz again, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 680 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube; During continuous melting, temperature remains on 2000 ℃ in the quartzy stove of continuous smelting.
(3) blue quartz glass tube is put into the deshydroxy stove, after temperature in the stove reached 1100 ℃, vacuum tightness reached 1 * 10
-3Pascal, continuous constant temperature is after 10 hours, and cooling is come out of the stove, and gets finished product.
Claims (6)
1, a kind of method of producing low-hydroxy-group squartz glass tube is characterized in that, its step is as follows:
(1) raw material is handled, and chooses to contain SiO
2〉=99.90%, foreign matter content is lower than 30ppm, 60-220 purpose high-purity ground quartz, mixes the tinting material that weight is the 0.1-1.0% of high-purity ground quartz, and described tinting material is selected from three phosphatizations, two vanadium and the cobalt oxide at least a, after mixing, and oven dry;
(2) will melt in the quartzy stove of raw material adding continuous smelting of above-mentioned processing, and open the fire door venting hole and discharge gaseous impurities, the raw material after the fusing pulls into blue quartz glass tube by the moulding of tractor blanking trombone slide;
(3) blue quartz glass tube is gone into to carry out in the deshydroxy stove must become the royal blue quartz glass tube after deshydroxy is handled.
2, the production method of a kind of low-hydroxy-group squartz glass tube according to claim 1 is characterized in that, its step is as follows,
(1) raw material is handled, and chooses to contain SiO
2〉=99.98%, foreign matter content is lower than 20ppm, 80-180 purpose high-purity ground quartz, mix the tinting material that weight is the 0.4-0.8% of high-purity ground quartz, described tinting material is selected from three phosphatizations, two vanadium and the cobalt oxide at least a, after mixing, add quartzy stoving oven continuously and carry out continuous drying, temperature is 500-1000 ℃ in the stoving oven;
(2) will add continuously through the raw material of above-mentioned processing in the quartzy stove of continuous smelting and melt, and open the fire door venting hole and discharge gaseous impurities, the raw material of continuous melting sinks to furnace bottom, by the moulding of the continuous blanking trombone slide of tractor, pulls into blue quartz glass tube;
(3) after being put into deshydroxy stove deshydroxy, blue quartz glass tube must become the royal blue quartz glass tube.
3, the production method of a kind of low-hydroxy-group squartz glass tube according to claim 2 is characterized in that, during continuous melting, temperature remains on 1800-2200 ℃ in the quartzy stove of continuous smelting.
4, a kind of low-hydroxy-group squartz glass tube production method according to claim 1 and 2 is characterized in that, in the step (3), blue quartz glass tube is put into the deshydroxy stove, and after temperature in the stove reached 800-1200 ℃, vacuum tightness reached 1 * 10
-4-1 * 10
-2Pascal, after continuous constant temperature 5-12 hour, cooling is come out of the stove, and gets finished product.
5, a kind of low-hydroxy-group squartz glass tube production method according to claim 3 is characterized in that, in the step (3), blue quartz glass tube is put into the deshydroxy stove, and after temperature in the stove reached 1000-1100 ℃, vacuum tightness reached 3 * 10
-3Pascal, continuous constant temperature is after 8 hours, and cooling is come out of the stove, and gets finished product.
6, a kind of low-hydroxy-group squartz glass tube production method according to claim 1 and 2 is characterized in that, in step (1), described tinting material can be solid when mixing, and also can earlier it be dissolved into the aqueous solution and mix in the high-purity ground quartz.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100405696A CN1850679A (en) | 2006-05-25 | 2006-05-25 | Method for producing low-hydroxy-group squartz glass tube |
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|---|---|---|---|
| CNA2006100405696A CN1850679A (en) | 2006-05-25 | 2006-05-25 | Method for producing low-hydroxy-group squartz glass tube |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054260B (en) * | 2007-03-28 | 2010-05-19 | 徐胜利 | Method of producing large diameter transparent quartz glass tube for semiconductor technology by continuous melting method |
| CN101225513B (en) * | 2008-01-31 | 2010-06-23 | 上海强华石英有限公司 | Manufacturing method of plasmatron for coating technique of solar cell slice |
| CN103145323A (en) * | 2013-03-21 | 2013-06-12 | 徐传龙 | Method for preparing quartz wrapping tube for optical fiber based on continuous melting method |
| CN103387328A (en) * | 2012-05-10 | 2013-11-13 | 连云港市东鑫石英制品有限公司 | Production method of low-hydroxyl rosy rare-earth-doped quartz tube |
| CN103466940A (en) * | 2013-08-30 | 2013-12-25 | 连云港市弘扬石英制品有限公司 | Sky blue hard light quartz tube and preparation method thereof |
| CN103771709A (en) * | 2014-01-24 | 2014-05-07 | 南通惠通纺织器材有限公司 | Low-hydroxyl yellow light-filtering quartz tube and preparation method thereof |
| WO2016078047A1 (en) * | 2014-11-18 | 2016-05-26 | 连云港福东正佑照明电器有限公司 | Low-hydroxyl blue quartz tube and production method therefor |
| CN105668999A (en) * | 2014-11-19 | 2016-06-15 | 南京大学连云港高新技术研究院 | Technology of directly producing low-hydroxyl quartz tube |
| CN106746637A (en) * | 2017-02-20 | 2017-05-31 | 单祥发 | A kind of production method of low oxyhydroxide and rear-earth-doped quartz ampoule |
| CN111393022A (en) * | 2020-03-23 | 2020-07-10 | 黄冈师范学院 | Preparation method of high-purity low-hydroxyl quartz glass raw material |
| CN111453986A (en) * | 2020-05-22 | 2020-07-28 | 新沂市东方石英玻璃有限公司 | Preparation method of high-purity low-hydroxyl quartz glass tube rod |
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- 2006-05-25 CN CNA2006100405696A patent/CN1850679A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054260B (en) * | 2007-03-28 | 2010-05-19 | 徐胜利 | Method of producing large diameter transparent quartz glass tube for semiconductor technology by continuous melting method |
| CN101225513B (en) * | 2008-01-31 | 2010-06-23 | 上海强华石英有限公司 | Manufacturing method of plasmatron for coating technique of solar cell slice |
| CN103387328A (en) * | 2012-05-10 | 2013-11-13 | 连云港市东鑫石英制品有限公司 | Production method of low-hydroxyl rosy rare-earth-doped quartz tube |
| CN103387328B (en) * | 2012-05-10 | 2016-02-10 | 连云港市东鑫石英制品有限公司 | The production method of the rose-colored rear-earth-doped silica tube of a kind of low hydroxyl |
| CN103145323A (en) * | 2013-03-21 | 2013-06-12 | 徐传龙 | Method for preparing quartz wrapping tube for optical fiber based on continuous melting method |
| CN103145323B (en) * | 2013-03-21 | 2016-06-08 | 连云港市弘扬石英制品有限公司 | A kind of continuous smelting method prepares the method for optical fiber quartz overclad tubes |
| CN103466940A (en) * | 2013-08-30 | 2013-12-25 | 连云港市弘扬石英制品有限公司 | Sky blue hard light quartz tube and preparation method thereof |
| CN103466940B (en) * | 2013-08-30 | 2015-08-26 | 连云港市弘扬石英制品有限公司 | A kind of Sky blue hard light quartz tube and preparation method thereof |
| CN103771709B (en) * | 2014-01-24 | 2016-08-24 | 南通惠通纺织器材有限公司 | A kind of low hydroxyl Yellow filter quartz tube and preparation method thereof |
| CN103771709A (en) * | 2014-01-24 | 2014-05-07 | 南通惠通纺织器材有限公司 | Low-hydroxyl yellow light-filtering quartz tube and preparation method thereof |
| WO2016078047A1 (en) * | 2014-11-18 | 2016-05-26 | 连云港福东正佑照明电器有限公司 | Low-hydroxyl blue quartz tube and production method therefor |
| CN105668999A (en) * | 2014-11-19 | 2016-06-15 | 南京大学连云港高新技术研究院 | Technology of directly producing low-hydroxyl quartz tube |
| CN105668999B (en) * | 2014-11-19 | 2017-12-26 | 南京大学连云港高新技术研究院 | A kind of technique for directly producing low-hydroxyl quartz tube |
| CN106746637A (en) * | 2017-02-20 | 2017-05-31 | 单祥发 | A kind of production method of low oxyhydroxide and rear-earth-doped quartz ampoule |
| CN111393022A (en) * | 2020-03-23 | 2020-07-10 | 黄冈师范学院 | Preparation method of high-purity low-hydroxyl quartz glass raw material |
| CN111393022B (en) * | 2020-03-23 | 2022-11-01 | 黄冈师范学院 | Preparation method of high-purity low-hydroxyl quartz glass raw material |
| CN111453986A (en) * | 2020-05-22 | 2020-07-28 | 新沂市东方石英玻璃有限公司 | Preparation method of high-purity low-hydroxyl quartz glass tube rod |
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