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Support brick
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A technology of supporting bricks and weight percentage is applied in the field of refractory materials, which can solve the problems of glass scrap, cracks, etc., and achieve the effect of improving the thermal shock resistance.
Inactive Publication Date: 2014-09-10
浙江立鑫高温耐火材料有限公司
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Summary
Abstract
Description
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Problems solved by technology
The melted glass needs to be cooled on the backing bricks. During cooling, the glass cooled on the backing bricks often cracks due to the thermal shock of the backing bricks, resulting in scrapped glass
Method used
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Examples
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Effect test
Embodiment 1
[0014] A kind of supporting brick, the component of supporting brick comprises Al 2 o 3 , SiO 2 , Fe 2 o 3 , CaO and BaCO 3 , the weight percentage of each component in the bracket brick is Al 2 o 3 85%, SiO 2 7.7%, Fe 2 o 3 0.3%, ZrO 2 6.5%, Li 2 CO 3 0.5%.
[0015] In this example, Al 2 o 3 The weight percentage in the support is relatively high, which prevents the support brick from cracking due to thermal shock when the glass in the molten state flows through the support brick and cools to an amorphous solid, thereby prolonging the service life of the support brick.
Embodiment 2
[0017] A kind of supporting brick, the component of supporting brick comprises Al 2 o 3 , SiO 2 , Fe 2 o 3 , CaO and BaCO 3 , the weight percentage of each component in the bracket brick is Al 2 o 3 81%, SiO 2 6%, Fe 2 o 3 0.4%, ZrO 2 12%, Li 2 CO 3 0.6%.
[0018] In this embodiment, the weight percentage of each component in the bracket is more reasonable. While improving the thermal shock performance of the bracket, the corrosion resistance of the bracket is also considered.
Embodiment 3
[0020] A kind of supporting brick, the component of supporting brick comprises Al 2 o 3 , SiO 2 , Fe 2 o 3 , CaO and BaCO 3 , the weight percentage of each component in the bracket brick is Al 2 o 3 76%, SiO 2 14%, Fe 2 o 3 0.5%, ZrO 2 8.5%, Li 2 CO 3 1%.
[0021] In this example, Al 2 o 3 The content is relatively small. In the case of ensuring the most basic refractory performance of the supporting brick, ZrO is added 2 and Li 2 CO 3 The weight percentage of the two in the supporting brick greatly strengthens the erosion resistance of the supporting brick.
[0022] All the above are limited embodiments of the present invention, Al 2 o 3 , SiO 2 , Fe 2 o 3 , CaO and BaCO 3 The weight percentages of the five components can be properly adjusted within the range of the weight percentages according to actual needs.
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PUM
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Abstract
The invention provides a support brick, and belongs to the field of refractory materials. The support brick provided by the invention is effectively enhanced in heat shock resistant capacity by being changed in chemical component. The support brick comprises the following components in percentage by weight: 76%-85% of Al2O3, 7.7%-14% of SiO2, 0.3%-0.5% of Fe2O3, 6.5%-8.5% of ZrO2 and 0.5%-1% of Li2CO3.
Description
technical field [0001] The invention relates to a supporting brick and belongs to the field of refractory materials. Background technique [0002] Glass is widely used in buildings because of its ability to transmit light and wind. Glass is a non-crystalline solid whose melting point changes with temperature. The melted glass needs to be cooled on the backing brick. During cooling, the glass cooled on the backing brick often causes cracks due to the heat shock of the backing brick, thus causing the glass to be scrapped. Contents of the invention [0003] The invention provides a bracket, which effectively improves the thermal shock resistance of the bracket by changing the chemical composition of the bracket. [0004] In order to solve the above problems, the present invention adopts the following technical scheme: a bracket brick, the components of which bracket brick include Al 2 o 3 , SiO 2 , Fe 2 o 3 , ZrO 2 and Li 2 CO 3 , the weight percent of each componen...
Claims
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Application Information
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