Zircon mullite saggar

A technology of zirconium mullite and saggar, applied in the field of zirconium mullite saggar, can solve the problems of not being able to resist the acid corrosion and alkaline corrosion of lithium solution well, and the service life is short. Alkaline, the effect of raising the refractory temperature

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
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the corundum brick-bonded sagger cannot resist the acidic and alkaline corrosion of lithium solution very well, so the service life is short

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A zircon mullite sagger, the composition of the zircon mullite sagger includes Al 2 o 3 , SiO 2 , ZrO 2 , Fe2O3, CaO and MgO, the weight percent of each component in the described zircon mullite sagger is Al 2 o 3 68%, SiO 2 18.5%, ZrO 2 12.7%, Fe 2 o 3 0.5%, CaO0.1% and MgO0.2%.

Embodiment 2

[0017] A zircon mullite sagger, the composition of the zircon mullite sagger includes Al 2 o 3 , SiO 2 , ZrO 2 , Fe2O3, CaO and MgO, the weight percent of each component in the described zircon mullite sagger is Al 2 o 3 79%, SiO 2 10.65%, ZrO 2 10%, Fe 2 o 3 0.2%, CaO0.05% and MgO0.1%.

Embodiment 3

[0019] A zircon mullite sagger, the composition of the zircon mullite sagger includes Al 2 o 3 , SiO 2 , ZrO 2 , Fe2O3, CaO and MgO, the weight percent of each component in the described zircon mullite sagger is Al 2 o 3 74%, SiO 2 14%, ZrO 2 11.5%, Fe 2 o 3 0.3%, CaO0.08% and MgO0.12%.

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Abstract

The invention relates to a zircon mullite saggar, belonging to the field of refractory materials, and being used for effectively preventing acid corrosion and alkali corrosion of a lithium solution on a saggar body. For solving the technical problem, the invention adopts the technical scheme that the zircon mullite saggar comprises the following components in percentage by weight: 68-79% of Al2O3, 0.65-18.5% of SiO2, 10-12.7% of ZrO2, 0.2-0.5% of Fe2O3, 0.05-0.1% of CaO and 0.1-0.2% of MgO.

Description

technical field [0001] The invention relates to a zircon mullite sagger, which belongs to the field of refractory materials. Background technique [0002] Lithium usually needs to be melted into liquid lithium, purified, and cooled in a mold to form lithium rods. Lithium can react with oxygen to generate lithium oxide, and lithium can also react with water to generate lithium hydroxide. Therefore, the sagger for melting lithium must be resistant to acid and alkali. The existing saggers are bonded by corundum bricks, and the composition and weight percentage of the corundum bricks are Ai 2 o 3 95%, ZrO 2 4.5%, Fe 2 o 3 0.3%, SiO 2 0.2%. However, the corundum brick-bonded sagger cannot resist the acidic and alkaline corrosion of lithium solution well, so the service life is short. Contents of the invention [0003] The problem to be solved by the present invention is to provide a zirconium-mullite sagger, which can effectively prevent the lithium solution from acidic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 高寿林
Owner 浙江立鑫高温耐火材料有限公司
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