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How to choose castables for EAF roof with long life?

The electric furnace roof is generally made of high-alumina refractory materials. In the past, the electric furnace cover was mostly built with refractory bricks. Nowadays, high-alumina castables are mostly used for integral casting on site or prefabricated off-site. The castables for electric furnace cover mainly use corundum and bauxite as refractory raw materials, add mullite and other admixtures, and prepare according to the formula proportion.

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2022 07-29
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Steelmaking electric furnace: introduction to the advantages of the water-cooled furnace cover

The existing furnace covers of steel-making electric furnaces mostly adopt the structure of masonry refractory bricks. The disadvantages of the furnace covers of this structure are many brick cracks, poor overall performance, high energy consumption, short service life, and long maintenance.The purp

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2020 12-11

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