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Inorganic silicon crystal plate and manufacturing method thereof

A production method and technology of inorganic silicon, which are applied in the direction of inorganic raw material rayon and other directions, can solve the problems of restricting the development of fireproof insulation boards and insufficient strength, and achieve the effects of improving boardability, strength and bonding force.

Active Publication Date: 2022-03-18
江苏华风新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the aluminum silicate fiber is often formed by adding a binder and adopting a wet vacuum forming process to form it and have a certain plate strength to expand its application field. Although it still has good thermal insulation performance and fire resistance, its The strength of the board is far from enough, which limits its further development as a fireproof insulation board

Method used

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  • Inorganic silicon crystal plate and manufacturing method thereof
  • Inorganic silicon crystal plate and manufacturing method thereof
  • Inorganic silicon crystal plate and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The specific raw material formula is shown in Table 1, among the components: Si0 in silica sol 2 The content is 24%; SiO in high-purity silica powder 2 The content is 99.6%, and the average particle size is 13μm; Al in high-purity alumina powder 2 o 3 The content is 99.97%.

[0022] Make according to the following parameters and steps:

[0023] S1. Grind 8 parts of coke gemstones, 20 parts of high-purity alumina powder, 36 parts of quartz sand and 13 parts of zircon sand, mix and grind them thoroughly, and make mixture particles with an average particle size of 0.2 mm.

[0024] S2. Add 1 part of boric acid to 30 parts of silica sol solution to obtain a silica sol composite solution, then add 17 parts of high-purity silica powder surface-treated with a silane coupling agent, stir and disperse evenly.

[0025] S3. Heat the mixture granules obtained in S1 to 1240° C. in a heating furnace, hold for 40 minutes, then heat to 1640° C., hold for 40 minutes, and finally heat...

Embodiment 2

[0029] The specific raw material formula is shown in Table 1, among the components: Si0 in silica sol 2 The content is 22%; SiO in high-purity silica powder 2 The content is 99.7%, and the average particle size is 14μm; Al in high-purity alumina powder 2 o 3 The content is 99.98%.

[0030] Make according to the following parameters and steps:

[0031] S1. Grind 12 parts of burnt gemstones, 17 parts of high-purity alumina powder, 32 parts of quartz sand and 16 parts of zircon sand, mix and grind them thoroughly, and make mixture particles with an average particle size of 0.4 mm.

[0032] S2. Add 3 parts of boric acid to 35 parts of silica sol solution to obtain a silica sol composite solution, then add 21 parts of high-purity silica powder surface-treated with silicone oil, stir and disperse evenly.

[0033] S3. Heat the mixture granules obtained in S1 to 1150°C in a heating furnace, hold for 50 minutes, then heat to 1570°C, hold for 50 minutes, and finally heat to 2155°C, ...

Embodiment 3

[0037] The specific raw material formula is shown in Table 1, among the components: Si0 in silica sol 2 The content is 23%; SiO in high-purity silica powder 2 The content is 99.9%, and the average particle size is 12 μm; the content of Al2O3 in high-purity alumina powder is 99.99%.

[0038] Make according to the following parameters and steps:

[0039] S1. Grind 10 parts of burnt gemstones, 19 parts of high-purity alumina powder, 34 parts of quartz sand and 14 parts of zircon sand, mix and grind them thoroughly, and make mixture particles with an average particle size of 0.3 mm.

[0040] S2. Add 2 parts of boric acid to 32 parts of silica sol solution to obtain a silica sol composite solution, then add 19 parts of high-purity silica powder surface-treated with a silane coupling agent, stir and disperse evenly.

[0041] S3. Heat the mixture granules obtained in S1 to 1210° C. in a heating furnace, hold for 45 minutes, then heat to 1610° C., hold for 45 minutes, and finally he...

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Abstract

The invention provides an inorganic silicon crystal plate and a manufacturing method thereof. The inorganic silicon crystal plate comprises the following raw materials in parts by weight: 7-12 parts of flint clay, 16-22 parts of high-purity alumina powder, 32-37 parts of quartz sand, 18-22 parts of high-purity silicon oxide powder, 11-16 parts of zircon sand, 28-34 parts of silica sol and 1-3 parts of boric acid. The inorganic silicon crystal plate is prepared by heating, melting and blowing raw materials including flint clay, high-purity aluminum oxide powder, quartz sand and zircon sand into fibers, spraying and attaching a silica sol composite solution dispersed with the high-purity silicon oxide powder to the surfaces of the fibers, performing mold pressing to form a base plate, and finally performing high-temperature sintering. The obtained inorganic silicon crystal plate is resistant to corrosion, low in deformation, light in weight, high in strength and capable of insulating heat and preserving heat, is an excellent substitute of an existing fireproof heat preservation plate, can be used at the highest temperature of 1500 DEG C, and can meet the application requirements of smoke prevention and exhaust air pipes, building fireproof plates, fireproof door inner materials and the like as a light, high-strength, high-temperature-resistant and fireproof plate.

Description

technical field [0001] The invention relates to the field of thermal insulation and fireproof materials, in particular to an inorganic silicon crystal plate and a manufacturing method thereof. Background technique [0002] The aluminum silicate fiber made of coke gemstones as the main raw material and sprayed after high-temperature melting is an excellent fireproof and thermal insulation material. Insulation lining or lining material for industrial furnaces. [0003] In the prior art, the aluminum silicate fiber is often formed by adding a binder and adopting a wet vacuum forming process to form it and have a certain plate strength to expand its application field. Although it still has good thermal insulation performance and fire resistance, its The strength as a board is far from enough, which limits its further development as a fireproof insulation board. Contents of the invention [0004] Based on the above, the present invention provides an inorganic silicon crystal ...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B14/46C04B40/02D01F9/08C04B111/28
CPCC04B28/005C04B35/62245C04B14/4656C04B40/0268C04B2201/20C04B2201/50C04B2111/28C04B2235/3217C04B2235/3418C04B2235/3244
Inventor 任磊任进玉
Owner 江苏华风新材料科技有限公司
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