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Ltigh crystalline structure iolite mullite kiln, kiln refractory product and calcining technology

A technology for structural cordierite and mullite, which is applied in the field of kiln refractory products and roasting processes, and high crystal structure cordierite-mullite kiln furniture, can solve the problems of raw material quality, production conditions, production technology, quality control, etc. Remaining in the experimental stage and failing to find out the problems of large-scale production of high crystal structure cordierite-mullite kiln furniture, etc., to achieve excellent thermal shock resistance and no need for calcination

Active Publication Date: 2006-06-14
揭东县热金宝新材料科技有限公司 +2
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  • Description
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  • Application Information

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Problems solved by technology

[0003] At present, a small number of scientific research institutions and manufacturers in China have listed the production technology of cordierite-mullite refractory products with high crystal structure as the main research project for development. There are deficiencies, and it is still in the experimental stage, failing to find the key to realize the large-scale production of cordierite-mullite kiln furniture and kiln refractory products with high crystal structure.

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  • Ltigh crystalline structure iolite mullite kiln, kiln refractory product and calcining technology

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Embodiment 1

[0040] A cordierite-mullite kiln furniture and kiln refractory product with a high crystal structure, the raw materials include 50-80 parts by weight of main crystal phase materials, 20-50 parts by weight of bonded composite matrix materials, and the selected main crystal phase materials , combined with the total components of the composite matrix material reaches 100 parts by weight; then add an appropriate amount of crystal nucleating agent; wherein:

[0041] 1), the main crystal phase material is aluminum titanate, cordierite, mullite, andalusite aggregate, wherein aluminum titanate aggregate accounts for 0-20wt% of the main crystal phase material, and cordierite aggregate accounts for the main crystal phase material 20-40wt% of the main crystal phase material, mullite aggregate accounts for 20-40wt% of the main crystal phase material, andalusite aggregate accounts for 20-35wt% of the main crystal phase material, and the particle size of the above aggregate is less than 1mm;...

Embodiment 2

[0058] A roasting process for cordierite-mullite kiln furniture and kiln refractory products with a high crystal structure. The raw materials are selected from 50 to 80 parts by weight of main crystal phase materials and 20 to 50 parts by weight of bonded composite matrix materials. Select the main crystal phase material and combine the total components of the composite matrix material to reach 100 parts by weight; then add an appropriate amount of crystal nucleating agent; wherein:

[0059] 1), the main crystal phase material is aluminum titanate, cordierite, mullite, andalusite aggregate, wherein aluminum titanate aggregate accounts for 0-20wt% of the main crystal phase material, and cordierite aggregate accounts for the main crystal phase material 20-40wt% of the main crystal phase material, mullite aggregate accounts for 20-40wt% of the main crystal phase material, andalusite aggregate accounts for 20-35wt% of the main crystal phase material, and the particle size of the ab...

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Abstract

The present invention relates to a kind of high crystal structure cordierite-mullite kiln furniture, kiln furnace refractory product and roasting process. Its raw material includes (by weight portion) 50-80 portions of main crystal phase material and 20-50 portions of combined compound matrix material, in the above-mentioned raw material a proper quantity of crystal nucleus formation agent can be added. Its roasting process includes two stages of high-temperature constant-temperature microcrystallization nucleation intensification treatment. Said invention also provides the concrete steps of every stage.

Description

technical field [0001] The invention belongs to the technical field of preparation of kiln furniture and kiln refractory products, and in particular relates to a cordierite-mullite kiln furniture with a high crystal structure, a kiln refractory product and a roasting process. Background technique [0002] In recent years, the global economy has developed towards integration, my country's economy has developed rapidly, people's living standards have continued to improve, and the requirements for the variety and quality of ceramic products have become higher and higher, which has promoted domestic ceramics, building materials, glass-ceramics and other industries. Flourish. With the successful research and development of new material ceramics and the upgrading of ceramic products, manufacturers are constantly improving the sintering process and production equipment of the products, and put forward higher requirements for kiln furniture and kiln refractory products. Kiln furnitu...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B35/01C04B35/46C04B35/64
Inventor 陈文杨
Owner 揭东县热金宝新材料科技有限公司
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