Novel aluminum-zirconium-carbon slide brick for flow control in metallurgy industry

An aluminum-zirconium-carbon sliding brick, a new type of technology, is applied in the field of iron and steel metallurgy, which can solve the problems of insufficient compactness of the sliding plate structure and short service life, and achieve considerable economic benefits, improved service life, and good heat-melting resistance.

Inactive Publication Date: 2006-12-27
ANSHAN CHOSUN REFRACTORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention is a new type of aluminum-zirconium-carbon sliding brick for metallurgical flow control to solve the above problems such as insufficient density of the sliding board structure and short service life.

Method used

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  • Novel aluminum-zirconium-carbon slide brick for flow control in metallurgy industry
  • Novel aluminum-zirconium-carbon slide brick for flow control in metallurgy industry

Examples

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Embodiment Construction

[0032] Table 1 and Table 2 are the application examples of the present invention in product production.

[0033] The data in Table 1 and Table 2 shows that the porosity, compressive strength, erosion resistance, erosion resistance and other performance indicators of the embodiment (1-3) have been greatly improved compared with the skateboard product without adjusting the formula.

[0034]

[0035]

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Abstract

The invention discloses a new typed sliding brick in the iron smelting course, which comprises the following parts: 60-125 percent sintered or electric melting corundum, 10-20 percent sintered Al2O3 powder under 50 mum, 5-15 percent sintered or electric melting zirconium mullite, 5-20 percent sintered or electric melting zirconium corundum, 1-5 percent metal Si, 1-8 percent carbon material and 0.5-4.0 anti-oxidization agent.

Description

technical field [0001] The invention relates to the technical field of iron and steel metallurgy, and provides a new type of sliding brick used for flow control in iron and steel smelting. High stability and corrosion resistance; at the same time, it has good thermal shock stability, long service life, and no thermal cracks will appear during use. Background technique [0002] Slide material is an important functional element for flow control in iron and steel metallurgy process. During use, ordinary skateboard materials will crack due to uneven internal stress. The rapid change of thermal shock at the initial stage of molten steel pouring, the deformation of the mechanism for installing the slide plate, the uneven pressure on the working surface of the slide plate, the installation method of the slide plate, and the unevenness of the bottom of the ladle and tundish are all the reasons for the above cracks. When the content of oxygen and nitrogen in the molten steel exceed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B35/10
Inventor 施岳明张小宁
Owner ANSHAN CHOSUN REFRACTORIES
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