CN102775057A - Production method for glass cotton - Google Patents
Production method for glass cotton Download PDFInfo
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- CN102775057A CN102775057A CN2012103028851A CN201210302885A CN102775057A CN 102775057 A CN102775057 A CN 102775057A CN 2012103028851 A CN2012103028851 A CN 2012103028851A CN 201210302885 A CN201210302885 A CN 201210302885A CN 102775057 A CN102775057 A CN 102775057A
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Abstract
The invention relates to a production method for glass cotton. The production method comprises the following steps of: (1) raw material preparation: according to weight percentage, mixing 2-4% of dolomite, 15-20% of boric ore, 3-6% of calcium oxide and 70-80% of glass cullet; (2) raw material melting: melting the raw materials in the step (1), sequentially carrying out a silicate formation stage, a glass formation stage, a glass metal clarification stage, a glass metal homogenization stage and a glass metal cooling stage to obtain pretreated glass metal; and (3) fibration process: leading the pretreated glass metal to flow in a centrifugal machine to form glass fiber, and then heating and stretching to obtain glass cotton.
Description
Technical field
The invention belongs to the spun glass field, be specifically related to a kind of working method of glass wool.
Background technology
Glass wool is through centrifugal fiberization with fused glass; Form the material of cotton shape; It is a kind of inorganic fibre; Have forming, volume density is little, thermal conductivity is low, the insulation is adiabatic wicked, sound absorbing is good, corrosion-resistant and plurality of advantages such as stable chemical performance, therefore glass wool also is widely used in industries such as chemical industry, light industry, oil, metallurgy, electric power and building.But in the glass wool production process, to use a large amount of boraxs usually, thereby cause cost of manufacture higher, be unfavorable for the widespread use of glass wool.
Summary of the invention
Technical problem to be solved by this invention is the deficiency that overcomes prior art, and a kind of economic and practical glass wool working method is provided.
The present invention takes following technical scheme: a kind of working method of insulating cotton comprises the steps:
(1), prepare raw material: in quality %, with 2% one 4% rhombspar, the glass cullet of 15%-20% boron magnesium ore deposit, 3%-6% quicklime and 70%-80% mix;
(2), founding of raw material: with step (1) raw materials melt; Form stage, glass formation stage, glass metal clarification stage, glass metal homogenizing stage and glass metal colling stages through persilicate successively; Obtain the pre-treatment glass metal: wherein; The temperature that said silicate forms the stage is controlled at 800 ℃-1000 ℃, and the temperature that glass forms the stage is controlled at 1200 ~ C-1400 ℃, and it is 2 ℃ that the glass metal homogenizing stage is controlled molten bath each regional temperature gradient of towel; The glass metal colling stages in the forehearth of glass wool cellar for storing things stove, is cooled to 1140 ~ C-1160 ~ C with glass metal;
(3), fibrotic processes: make step (2) gained pre-treatment glass metal flow into the whizzer of high speed rotating; Form spun glass; Make said spun glass obtain soft and thin spun glass through heating, after stretching under the gas-flow effect of high-speed and high-temperature then, the temperature in glass metal clarification stage is controlled at 1450 ℃-1650 ℃ to 1140 ℃-i160 ℃ in the step (2); Control centrifuge speed in the step (3) between 1350-1450 rev/min,
Preferably, 1900 ℃-2000 ℃ of temperature, the high-speed and high-temperature gas-flow effect of flow velocity 600m/s-650m/s obtains soft and thin glass wool down after heating, stretching with the spun glass that forms in the step (3).
Through implementing above technical scheme, the present invention compared with prior art has following advantage:
The present invention is through the CONTROL PROCESS condition, can successfully make Fibre diameter below 4 microns, the molten heavy density glass heat-insulating that is low to moderate 6.5kg/m3-9kg/m3 is cotton.
Embodiment
Below in conjunction with concrete embodiment the present invention is done further detailed explanation, but be not limited to following examples.
EXAMPLE l
(1), prepares raw material: reclaim glass cullet, clean and be crushed to size less than 30 millimeters, with 2% rhombspar, 3% quicklime, 15% boron magnesium ore deposit and 80% glass cullet mixing acquisition raw material.
(2), founding of raw material: step (1) gained raw material is dropped into fusion in the molten bath; Form the stage through persilicate successively: raw material under 800 ℃-1000 ℃ high temperature, moisture evaporation, component fusing; Salt decomposes, and silicate and free silica form opaque liq; Glass forms the stage: under 1200 ℃-1400 ℃ high temperature, molten silicate forms and contains the uneven transparent glass liquid of great amount of bubbles; The glass metal clarification stage: under the high temperature of 1450 ~ C-1550 ~ C, the viscosity of glass metal reduces, and bubble overflows in the glass metal, obtains not having the uneven transparent glass liquid of bubble; The glass metal homogenizing stage: each regional temperature in control molten bath, make each zone produce the temperature difference, about about 2 ℃ of temperature gradient relies on the natural convection of temperature difference glass metal, obtains uniform glass metal; Wherein, the molten bath is divided into five zones, and each regional temperature is: the zone 1.: 1450 ~ C: the zone 2.: 1452 ~ C; The zone is 3.: 1454 ~ C; The zone is 4.: 1452 ~ C; The zone is 5.: 1450 ~ C: glass metal colling stages: in the forehearth of glass wool cellar for storing things stove, glass metal is cooled to 1140 ~ C-1150 ~ C, obtains even, pure, transparent pre-treatment glass metal.
(3), fibrotic processes: make step (2) gained pre-treatment glass metal flow into whizzer with 1400 rev/mins of rotating speeds;
The Fibre diameter of present embodiment gained glass wool is 3.5 microns, and molten heavy density is 8.5kg/m3,
Embodiment 2
(1), prepares raw material: reclaim glass cullet, it is cleaned and be crushed to size less than 30 millimeters, with 3% rhombspar, 18% boron magnesium ore deposit, 4% quicklime and 75% glass cullet mixing acquisition raw material.
(2), founding of raw material: step (1) gained raw material is dropped into fusion in the molten bath; Form the stage through persilicate successively: raw material under 800 ℃-1000 ℃ high temperature, moisture evaporation, component fusing; Salt decomposes; Silicate and free silica form opaque liq: glass forms the stage: under 1200 ℃-1400 ℃ high temperature, molten silicate forms and contains the uneven transparent glass liquid of great amount of bubbles; The glass metal clarification stage: the viscosity at 1550 ℃-1600 ℃ high temperature lower-glass liquid reduces, and the glass metal small bubbles overflow, and obtain not having the uneven transparent glass liquid of bubble; The glass metal homogenizing stage: each regional temperature in control molten bath, make each zone produce the temperature difference, about the about 2 ~ C of temperature gradient, rely on the natural convection of temperature difference glass metal, obtain uniform glass metal; Wherein, the molten bath is divided into five zones, and each regional temperature is: the zone 1.: 1550 ~ C; The zone is 2.: 1552 ~ C; The zone is 3.: 1554 ~ C; The zone is 4.: 1552 ~ C; The zone is 5.: 1550 ~ C; Glass metal colling stages: in the forehearth of glass wool cellar for storing things stove, glass metal is cooled to 1150 ~ C-1160 ~ C, obtains even, pure, transparent pre-treatment glass metal.
(3), fibrotic processes: make step (2) gained pre-treatment glass metal flow into high speed rotating whizzer with 1400 rev/mins of rotating speeds; Form glassy membrane; Again (wherein through centrifugal formation spun glass; The hot plate hole aperture is about 0.65 millimeter), then 1900 ℃-2000 ℃ of temperature, make said spun glass after heating, stretching, obtain soft and thin glass wool under the high-speed and high-temperature gas-flow effect of flow velocity 600m/s-650m/s.
The fiber of present embodiment gained glass wool: diameter is 3.3 microns, and molten heavy density is 7.2kg/m3.
Embodiment 3
(1), prepares raw material: reclaim glass cullet, it is cleaned and be crushed to size less than 30 millimeters, with 4% rhombspar, 20% boron magnesium ore deposit, 6% quicklime and 70% glass cullet mixing acquisition raw material.
(2), founding of raw material: step (1) gained raw material is dropped into fusion in the molten bath; Form the stage through persilicate successively: raw material under 800 ℃-1000 ℃ high temperature, moisture evaporation, component fusing; The salt branch is separated silicate and free silica and is formed opaque liq; Glass forms the stage: under 1200 ℃-1400 ℃ high temperature; Molten silicate; Formation contains the uneven transparent glass liquid of great amount of bubbles: the glass metal clarification stage: under 1600 ℃-1650 ℃ high temperature; The viscosity of glass metal reduces, and bubble overflows in the glass metal, obtains not having the uneven transparent glass liquid of bubble; The glass metal homogenizing stage: each regional temperature in control molten bath, make each zone produce the temperature difference, about about 2 ℃ of temperature gradient relies on the natural convection of temperature difference glass metal, obtains uniform glass metal; Wherein, the molten bath is divided into five zones, and each regional temperature is: the zone 1.: 1600 ℃; The zone is 2.: 1602 ℃: the zone 3.: 1604 ℃; The zone is 4.: 1602 ℃; The zone is 5.: 1600 ℃; Glass metal colling stages: in the forehearth of glass wool cellar for storing things stove, glass metal is cooled to 1150 ℃-i160 ℃, obtains even, pure, transparent pre-treatment glass metal.
(3), fibrotic processes: make step (2) gained pre-treatment glass metal flow into high speed rotating whizzer, form glassy membrane with 1400 rev/mins of rotating speeds, again through centrifugal formation spun glass (wherein, the hot plate hole aperture is about 0.65 millimeter),
1900 ℃-2000 ℃ of temperature, make said spun glass after heating, stretching, obtain soft and thin glass wool under the high-speed and high-temperature gas-flow effect of flow velocity 600m/s-650m/s then.
The Fibre diameter of present embodiment gained glass wool is 3.8 microns, and molten heavy density is 6.67kg/m3.
More than the present invention has been done detailed description; Its purpose is to let the technician that is familiar with this field can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences of being done according to the simple matter of essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. the working method of a glass wool comprises the steps:
(1), prepare raw material: in quality %, with 2% one 4% rhombspar, the glass cullet of 15%-20% boron magnesium ore deposit, 3%-6% quicklime and 70%-80% mix;
(2), founding of raw material: with step (1) raw materials melt, form stage, glass formation stage, glass metal clarification stage, glass metal homogenizing stage and glass metal colling stages through persilicate successively, obtain the pre-treatment glass metal:
(3), fibrotic processes: make step (2) gained pre-treatment glass metal flow into whizzer, form spun glass, after heating, stretching, obtain glass wool then.
2. according to the working method of the said glass wool of claim 1; It is characterized in that; The temperature that silicate described in the step (2) forms the stage is controlled at 800 ℃-1000 ℃; The temperature that glass forms the stage is controlled at 1200 ℃-1400 ℃, and the temperature in glass metal clarification stage is controlled at 1450 ℃-1650 ℃, and each regional temperature gradient is 2 ℃ in the glass metal homogenizing stage control molten bath; The glass metal colling stages in the forehearth of glass wool cellar for storing things stove, is cooled to 1140 ℃-1160 ℃ with glass metal.
3. according to the working method of the said glass wool of claim 1, it is characterized in that centrifuge speed is between 1350-1450 rev/min in the step (3).
4. according to the working method of the said glass wool of claim 1, it is characterized in that 1900 ℃-2000 ℃ of temperature, the gas-flow effect of flow velocity 600m/s-650m/s obtains glass wool down after heating, stretching with the spun glass that forms in the step (3).
5. according to the working method of each said glass wool of claim 1-4, it is characterized in that, the Fibre diameter of said glass wool below 4 microns, molten heavy density is 6.5kg/m3-9kg/m3.
Priority Applications (1)
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|---|---|---|---|
| CN2012103028851A CN102775057A (en) | 2012-08-24 | 2012-08-24 | Production method for glass cotton |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103028851A CN102775057A (en) | 2012-08-24 | 2012-08-24 | Production method for glass cotton |
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| CN102775057A true CN102775057A (en) | 2012-11-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445967A (en) * | 2014-10-30 | 2015-03-25 | 湖州吴兴道场城乡建设发展有限公司 | Novel glass wool fibres and wool felt |
| CN105597634A (en) * | 2016-01-29 | 2016-05-25 | 卓达新材料科技集团有限公司 | Supercritical drying method for glass wool/silicon-aluminum aerogel composite heat preservation plate |
| CN105698489A (en) * | 2016-01-29 | 2016-06-22 | 卓达新材料科技集团有限公司 | Normal-pressure drying method of glass wool/aluminum silicon aerogel composite heat preserving board |
| CN105753434A (en) * | 2016-01-29 | 2016-07-13 | 卓达新材料科技集团有限公司 | Glass wool/silicon-aluminum aerogel composite heat insulation board |
| CN105776965A (en) * | 2016-01-29 | 2016-07-20 | 卓达新材料科技集团有限公司 | Preparation method of glass wool-aluminum silicon aerogel composite heat preservation plate |
| CN113526874A (en) * | 2021-08-17 | 2021-10-22 | 力鸿检验集团有限公司 | Basalt-like fiber and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007217280A (en) * | 2007-04-27 | 2007-08-30 | Nippon Sheet Glass Co Ltd | Manufacturing method of glass staple fiber using cullet as raw material |
| CN102351413A (en) * | 2011-07-13 | 2012-02-15 | 苏州维艾普新材料有限公司 | Manufacturing method of grade A fireproof and flame retardant energy saving ultrafine glass wool |
| CN102399056A (en) * | 2011-05-24 | 2012-04-04 | 苏州维艾普新材料有限公司 | Production method for ultrafine ultralight glass heat insulation wool |
-
2012
- 2012-08-24 CN CN2012103028851A patent/CN102775057A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007217280A (en) * | 2007-04-27 | 2007-08-30 | Nippon Sheet Glass Co Ltd | Manufacturing method of glass staple fiber using cullet as raw material |
| CN102399056A (en) * | 2011-05-24 | 2012-04-04 | 苏州维艾普新材料有限公司 | Production method for ultrafine ultralight glass heat insulation wool |
| CN102351413A (en) * | 2011-07-13 | 2012-02-15 | 苏州维艾普新材料有限公司 | Manufacturing method of grade A fireproof and flame retardant energy saving ultrafine glass wool |
Non-Patent Citations (3)
| Title |
|---|
| 丁国正，沈志高: "硼镁石在离心法玻璃棉生产中的应用", 《保温材料与节能技术》 * |
| 周波: "玻璃棉及其制品的应用", 《塑料制造》 * |
| 姜继圣，罗玉萍，兰翔: "《新型建筑绝热、吸声材料》", 31 August 2002, 化学工业出版社，材料科学与工程出版中心 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445967A (en) * | 2014-10-30 | 2015-03-25 | 湖州吴兴道场城乡建设发展有限公司 | Novel glass wool fibres and wool felt |
| CN105597634A (en) * | 2016-01-29 | 2016-05-25 | 卓达新材料科技集团有限公司 | Supercritical drying method for glass wool/silicon-aluminum aerogel composite heat preservation plate |
| CN105698489A (en) * | 2016-01-29 | 2016-06-22 | 卓达新材料科技集团有限公司 | Normal-pressure drying method of glass wool/aluminum silicon aerogel composite heat preserving board |
| CN105753434A (en) * | 2016-01-29 | 2016-07-13 | 卓达新材料科技集团有限公司 | Glass wool/silicon-aluminum aerogel composite heat insulation board |
| CN105776965A (en) * | 2016-01-29 | 2016-07-20 | 卓达新材料科技集团有限公司 | Preparation method of glass wool-aluminum silicon aerogel composite heat preservation plate |
| CN113526874A (en) * | 2021-08-17 | 2021-10-22 | 力鸿检验集团有限公司 | Basalt-like fiber and preparation method and application thereof |
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Application publication date: 20121114 |