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A kind of sintered casting magnesium aluminum zirconium chromium sliding plate and preparation method thereof

A sliding plate and chrome technology, which is applied in the field of refractory materials, can solve the problems of poor erosion resistance and corrosion resistance, and achieve the effects of good adaptability, increased strength, and improved thermal shock stability

Active Publication Date: 2022-07-01
邯郸市翰润达耐火材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome defects such as poor erosion resistance and corrosion resistance of the slide material in the prior art, and oil immersion is required in the preparation process, thereby providing a fired cast magnesium aluminum zirconium chromium material. Skateboard and its preparation method

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  • A kind of sintered casting magnesium aluminum zirconium chromium sliding plate and preparation method thereof
  • A kind of sintered casting magnesium aluminum zirconium chromium sliding plate and preparation method thereof
  • A kind of sintered casting magnesium aluminum zirconium chromium sliding plate and preparation method thereof

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Embodiment

[0036] This embodiment provides a sintered and cast magnesia-aluminum-zirconium-chromium sliding plate and a preparation method thereof. The preparation method includes the following steps: weighing fused corundum, chromium oxide, magnesia, magnesia-aluminum spinel, α-alumina Micropowder, calcium aluminate cement and water reducing agent are added to the forced mixer and mixed for 5 minutes, add water, after mixing evenly, add sintered corundum, zirconium corundum, zirconium mullite, mix for 3 minutes, add water, mix well, pour into the mold After 12 hours, the temperature in the drying kiln was raised from room temperature to 100°C at a constant rate, kept for 8 hours, and then the temperature in the drying kiln was raised to 20 hours after 12 hours. 200℃, heat preservation for 15h; finally, the temperature in the drying kiln was raised to 1550℃ after 40h, maintained for 15h, and then cooled to room temperature naturally. By heating the steel hoop, the steel hoop is put on th...

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Abstract

The invention belongs to the technical field of refractory materials, and in particular relates to a sintered and cast magnesium-aluminum-zirconium-chromium sliding plate and a preparation method thereof. The invention introduces zirconium rigid, zirconium mullite and aluminum-magnesium spinel into the sliding plate material, which can improve the thermal shock stability of the sliding plate, make the sliding plate have weak alkalinity, and is beneficial to the purification of molten steel in the later application; The sliding plate material is not oil soaked, has good adaptability in low carbon steel and high oxygen steel, and will not pollute the molten steel. Using specific proportions of sintered corundum, zirconium corundum, zirconium mullite, magnesia-aluminum spinel, fused corundum, chromium oxide, magnesia, α-alumina, calcium aluminate cement as raw materials, the prepared sliding plate material has Good erosion and scour resistance.

Description

technical field [0001] The invention belongs to the technical field of refractory materials, and in particular relates to a sintered and cast magnesium-aluminum-zirconium-chromium sliding plate and a preparation method thereof. Background technique [0002] The sliding plate is an important functional element in the steelmaking and continuous casting system, generally including the ladle sliding plate and the tundish sliding plate. The sliding plate has to withstand chemical erosion, physical erosion and severe thermal shock of high-temperature molten steel during use, and the operating conditions are very harsh. [0003] With the development and technological progress of steel industries such as automobiles and bridges, the requirements for steel performance are getting higher and higher. The demand for low-carbon steel, ultra-low carbon steel and pure steel is gradually increasing. The higher the purity of the steel, the better its performance and the longer its service l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66C04B35/105C04B35/106C04B35/622B22D41/28B22D41/32
CPCC04B35/66C04B35/105C04B35/106C04B35/622B22D41/28B22D41/32C04B2235/3463C04B2235/3222C04B2235/3241C04B2235/3217C04B2235/3206C04B2235/9607C04B2235/96
Inventor 李育璋李伟杰
Owner 邯郸市翰润达耐火材料有限公司
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