CN106431422A - Fused quartz repair material - Google Patents
Fused quartz repair material Download PDFInfo
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- CN106431422A CN106431422A CN201510471771.3A CN201510471771A CN106431422A CN 106431422 A CN106431422 A CN 106431422A CN 201510471771 A CN201510471771 A CN 201510471771A CN 106431422 A CN106431422 A CN 106431422A
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- vitreous silica
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- fused quartz
- particle diameter
- repairing
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Abstract
The present invention relates to a fireproof material, particularly to a fused quartz repair material, which is prepared from the following raw materials by mass: 70-99 parts of fused quartz, 1-15 parts of Si3N4, 0.1-1 part of sodium carboxymethyl cellulose, 2-15 parts of silica sol, and 2-15 parts of aluminum dihydrogen phosphate, wherein material mixing and ball milling are performed to obtain the fused quartz repair material. According to the present invention, the silicon content in the fused quartz is more than or equal to 99% and is the same as the glass; and the fused quartz has the extremely low thermal conductivity, such that the high-temperature fused quartz repair material has characteristics of excellent thermal shock resistance stability, good heat scouring resistance and high mechanical strength, can be used for high temperature thermal filling, thermal repair and anti-blocking use, and cannot affect the quality of glass, wherein the maximum use temperature achieves 1600 DEG C.
Description
Technical field
The present invention relates to a kind of refractory material, specially vitreous silica material for repairing.
Background technology
The glass furnace general kiln phase thoroughly removes reconstruction after reaching 10-15, the main means using repairing solve the problems, such as kiln partial destruction during this period, existing conventional repair material adopts Silicon-rich system refractory material to form, contain a certain amount of aluminum therebetween, typically in 3wt%-20wt%, it is easily caused aluminium component in actual use and transfer in glass, impact glass outward appearance, even damage, in addition, it is primary raw material that existing Silicon-rich system material mainly adopts silicon powder, the thermal shock resistance deviation of product.
Content of the invention
For above-mentioned technical problem, present invention offer is a kind of not to have influential vitreous silica material for repairing to glass product, and concrete technical scheme is:
Vitreous silica material for repairing, is prepared in mass fraction ratio by following raw material, 70-99 part vitreous silica, 1-15 part Si3N4, 0.1-1 part sodium carboxymethyl cellulose, 2-15 part Ludox, 2-15 part aluminium dihydrogen phosphate, obtain vitreous silica material for repairing after batch mixing, ball milling.
Mixing time 12h-48h, Ball-milling Time:48h-120h.
Wherein, vitreous silica is prepared in following mass fraction ratio, vitreous silica 20-35 part of particle diameter 0.5mm-0.25mm, particle diameter 0.25mm-0.15mm vitreous silica 20-35 part, particle diameter 0.15mm-0.074mm vitreous silica 10-15 part, particle diameter 0.074mm-0.044mm vitreous silica 5-15 part, particle diameter≤0.001mm vitreous silica 0.5-5 part.
The solid content 20-25wt% of Ludox.
The vitreous silica material for repairing that the present invention provides, silicone content >=99% in vitreous silica, identical with glass ingredient, further, since the extremely low heat conductivity of vitreous silica, possesses excellent heat-resistant knocking stability in high-temperature fusion quartz material for repairing, heat-resisting wash away, high mechanical strength, maximum operation (service) temperature reaches 1600 DEG C, for glass furnace high temperature vulcanize, hot repair and anti-blocking use, do not interfere with the quality of glass.
Specific embodiment
Technical scheme is described further in conjunction with the embodiments.
Embodiment
1
Vitreous silica material for repairing, is prepared in mass fraction ratio by following raw material, 70 parts of vitreous silicas, 15 parts of Si3N4, 1 part of sodium carboxymethyl cellulose, 9 parts of Ludox, 15 parts of aluminium dihydrogen phosphates, obtain vitreous silica material for repairing after batch mixing, ball milling.
Wherein, vitreous silica is prepared in following mass fraction ratio, 25 parts of the vitreous silica of particle diameter 0.5mm-0.25mm, 35 parts of particle diameter 0.25mm-0.15mm vitreous silica, 10 parts of particle diameter 0.15mm-0.074mm vitreous silica, 15 parts of particle diameter 0.074mm-0.044mm vitreous silica, particle diameter≤3 parts of 0.001mm vitreous silica.
The solid content 20-25wt% of Ludox.
Embodiment
2
Vitreous silica material for repairing, is prepared in mass fraction ratio by following raw material, 85 parts of vitreous silicas, 10 parts of Si3N4, 0.5 part of sodium carboxymethyl cellulose, 2 parts of Ludox, 2 parts of aluminium dihydrogen phosphates, obtain vitreous silica material for repairing after batch mixing, ball milling.
Wherein, vitreous silica is prepared in following mass fraction ratio, 35 parts of the vitreous silica of particle diameter 0.5mm-0.25mm, 25 parts of particle diameter 0.25mm-0.15mm vitreous silica, 15 parts of particle diameter 0.15mm-0.074mm vitreous silica, 5 parts of particle diameter 0.074mm-0.044mm vitreous silica, particle diameter≤0.5 part of 0.001mm vitreous silica.
The solid content 20-25wt% of Ludox.
Embodiment
3
Vitreous silica material for repairing, is prepared in mass fraction ratio by following raw material, 99 parts of vitreous silicas, 15 parts of Si3N4, 0.1 part of sodium carboxymethyl cellulose, 15 parts of Ludox, 10 parts of aluminium dihydrogen phosphates, obtain vitreous silica material for repairing after batch mixing, ball milling.
Wherein, vitreous silica is prepared in following mass fraction ratio, 20 parts of the vitreous silica of particle diameter 0.5mm-0.25mm, 20 parts of particle diameter 0.25mm-0.15mm vitreous silica, 12 parts of particle diameter 0.15mm-0.074mm vitreous silica, 10 parts of particle diameter 0.074mm-0.044mm vitreous silica, particle diameter≤5 parts of 0.001mm vitreous silica.
The solid content 20-25wt% of Ludox.
Claims (3)
1. vitreous silica material for repairing it is characterised in that:Prepared in mass fraction ratio by following raw material, 70-99 part vitreous silica, 1-15 part Si3N4, 0.1-1 part sodium carboxymethyl cellulose, 2-15 part Ludox, 2-15 part aluminium dihydrogen phosphate, obtain vitreous silica material for repairing after batch mixing, ball milling.
2. according to the vitreous silica material for repairing described in claim 1 it is characterised in that:Described vitreous silica is prepared in following mass fraction ratio, vitreous silica 20-35 part of particle diameter 0.5mm-0.25mm, particle diameter 0.25mm-0.15mm vitreous silica 20-35 part, particle diameter 0.15mm-0.074mm vitreous silica 10-15 part, particle diameter 0.074mm-0.044mm vitreous silica 5-15 part, particle diameter≤0.001mm vitreous silica 0.5-5 part.
3. vitreous silica material for repairing according to claim 1 and 2 it is characterised in that:The solid content 20-25wt% of described Ludox.
Priority Applications (1)
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CN201510471771.3A CN106431422A (en) | 2015-08-05 | 2015-08-05 | Fused quartz repair material |
Applications Claiming Priority (1)
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CN201510471771.3A CN106431422A (en) | 2015-08-05 | 2015-08-05 | Fused quartz repair material |
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CN106431422A true CN106431422A (en) | 2017-02-22 |
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CN201510471771.3A Pending CN106431422A (en) | 2015-08-05 | 2015-08-05 | Fused quartz repair material |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107867868A (en) * | 2017-12-02 | 2018-04-03 | 山东鲁桥新材料股份有限公司 | A kind of super fine and close high heat conduction silica brick and preparation method thereof |
CN108238808A (en) * | 2018-04-02 | 2018-07-03 | 武汉重远炉窑工程技术服务有限公司 | Siliceous amorphous refractory hot-patch material |
CN110041058A (en) * | 2019-05-10 | 2019-07-23 | 武汉钢铁有限公司 | A kind of material for repairing for coke oven furnace lining |
Citations (3)
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CN101423410A (en) * | 2008-11-21 | 2009-05-06 | 太原高科耐火材料有限公司 | Composite combining silica thermal repairing material and preparation method thereof |
CN102515725A (en) * | 2011-10-25 | 2012-06-27 | 河北联合大学 | Preparation method of fused quartz ceramic material containing boron carbide and silicon nitride |
CN104628399A (en) * | 2015-02-11 | 2015-05-20 | 江苏中正耐火材料有限公司 | Crack-resistant and zero-expansion fused-silica brick and preparation method thereof |
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2015
- 2015-08-05 CN CN201510471771.3A patent/CN106431422A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101423410A (en) * | 2008-11-21 | 2009-05-06 | 太原高科耐火材料有限公司 | Composite combining silica thermal repairing material and preparation method thereof |
CN102515725A (en) * | 2011-10-25 | 2012-06-27 | 河北联合大学 | Preparation method of fused quartz ceramic material containing boron carbide and silicon nitride |
CN104628399A (en) * | 2015-02-11 | 2015-05-20 | 江苏中正耐火材料有限公司 | Crack-resistant and zero-expansion fused-silica brick and preparation method thereof |
Non-Patent Citations (2)
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卜景龙等: ""熔融石英陶瓷材料的晶化抑制研究"", 《稀有金属材料与工程》 * |
袁林 等: "《绿色耐火材料》", 31 January 2015, 中国建材工业出版社 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107867868A (en) * | 2017-12-02 | 2018-04-03 | 山东鲁桥新材料股份有限公司 | A kind of super fine and close high heat conduction silica brick and preparation method thereof |
CN108238808A (en) * | 2018-04-02 | 2018-07-03 | 武汉重远炉窑工程技术服务有限公司 | Siliceous amorphous refractory hot-patch material |
CN110041058A (en) * | 2019-05-10 | 2019-07-23 | 武汉钢铁有限公司 | A kind of material for repairing for coke oven furnace lining |
CN110041058B (en) * | 2019-05-10 | 2022-01-25 | 武汉钢铁有限公司 | Repairing material for coke oven lining |
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Application publication date: 20170222 |