Low aluminum pyrophyllite homogenized composite micro-powder for fiber glass
A technology of glass fiber and quartz micropowder, which is applied in the field of pyrophyllite composite micropowder and low-alumina pyrophyllite homogenized composite micropowder for glass fiber, which can solve problems such as unreasonable resource mining, ore grade fluctuations, and excessive raw ore requirements, and achieve sustainable development. The effect of development, reduction of hardness and melting point, and avoidance of harm to the human body
Active Publication Date: 2012-08-08
TONGXIANG LEISHI POWDER
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Problems solved by technology
This requires the grade of pyrophyllite to be above 71%, which is too high for the natural ore that has not been washed. Especially in the early stage of our country, the unreasonable exploitation of resources has caused a serious waste of resources, and there are many lean ores and few rich ores in our country. , ore grade fluctuates greatly, etc., resulting in a serious shortage of mineral resources
Method used
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Effect test
Embodiment 2
[0021] The pyrophyllite series ores described in Example 2 are Fuding pyrophyllite and Changshan pyrophyllite, and the weight ratio between the two is 15:14; the kaolin series ores are Tiantai dikaishi, Songyang dikaishi and Shangyu kaolin , the weight ratio between the three is 15:8:30.
Embodiment 3
[0022] The pyrophyllite series ores described in Example 3 are Fuding pyrophyllite and Changshan pyrophyllite, and the weight ratio between the two is 18:12; the kaolin series ores are Tiantai dikaishi, Songyang dikaishi and Shangyu kaolin , the weight ratio between the three is 20:5:25.
Embodiment 4
[0023] The pyrophyllite series ores described in Example 4 are Fuding pyrophyllite and Changshan pyrophyllite, and the weight ratio between the two is 22:8; the kaolin series ores are Tiantai dikaishi, Songyang dikaishi and Shangyu kaolin , the weight ratio between the three is 25:2:35.
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Abstract
The invention provides low aluminum pyrophyllite homogenized composite micro-powder for fiber glass, belongs to the technical field of nonmetallic minerals, and solves the problem that the prior pyrophyllite micro-powder has high requirement for the grade of pyrophyllite. The low aluminum pyrophyllite homogenized composite micro-powder for the fiber glass consists of the following raw materials in percentage by weight: 20 to 40 percent of pyrophyllite mineral micro-powder, 50 to 75 percent of kaolin mineral micro-powder and 2 to 15 percent of quartz micro-powder; and the grain diameter of thecomposite micro-powder is between 20 and 450 mu m. For the low aluminum pyrophyllite homogenized composite micro-powder for the fiber glass, the raw materials have reasonable compatibility, wide selection range and low cost; a finished product has stable compositions; the kiln burden has low difficulty; the energy is saved; and the market competitiveness is strong.
Description
technical field [0001] The invention relates to a composite micropowder of pyrophyllite, in particular to a homogenized composite micropowder of low-alumina pyrophyllite for glass fiber, belonging to the technical field of non-metallic minerals. Background technique [0002] Glass fiber is an inorganic non-metallic material with excellent performance, and its components are silica, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, etc. It has the characteristics of good insulation, heat resistance, corrosion resistance and high mechanical strength. It is mainly used as raw material for insulating materials and glass fiber reinforced plastics. [0003] The main raw materials for producing glass fiber are: pyrophyllite, quartz sand and limestone, dolomite, boric acid, soda ash, mirabilite, fluorite, etc. Glass fiber is divided into E glass fiber, S glass fiber, C glass fiber and A glass fiber according to composition, properties and uses. Chinese patent ap...
Claims
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IPC IPC(8): C03C6/02C03C13/00
Inventor 张园
Owner TONGXIANG LEISHI POWDER