Side sealing plate for thin-belt continuous casting and manufacturing method

A technology of a side sealing plate and a manufacturing method, which are applied in the field of side sealing plates for thin strip continuous casting and manufacturing, can solve the problems of poor thermal shock resistance, high thermal conductivity, cold blocks in the side sealing plates, etc., and achieve oxidation resistance and Effects of high temperature strength improvement and wear resistance improvement

Active Publication Date: 2011-08-24
上海柯瑞冶金炉料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are side seals made of various materials at home and abroad, but there are problems in various aspects. Some have poor thermal shock resistance, and some have high thermal conductivity, which may easily lead to cold blocks on the side seal, etc.

Method used

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  • Side sealing plate for thin-belt continuous casting and manufacturing method
  • Side sealing plate for thin-belt continuous casting and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0030] According to 38% of boron nitride, 42% of zirconium boride, and 20% of zirconia, pressurize first (the three raw materials are uniformly ≤200 mesh fine powder), and then crush and granulate into false particles, respectively 3-1mm particles 42%, 1-0mm particles 25%, ≤200 mesh fine powder 33%, then add ≤200 mesh boron nitride 10%, boron powder 7%, graphite 5% for configuration.

[0031] Mix the pre-prepared pseudo pellets with 1% carbon fiber in proportion, add 2 / 3 of the resin binder after being uniform, mix for 15-20 minutes, then add the fine powder and the remaining 1 / 3 of the resin until the material properties Even without flying, tightly clenched into balls, but not too wet.

[0032] Use a 530-ton friction press to press and form, and then dry (temperature 100-120°C).

[0033] After drying, charcoal burning is carried out (temperature 1450-1550 ℃), which greatly improves the strength of the side sealing plate.

[0034] Vacuum pressure oil immersion followed by c...

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PUM

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Abstract

The invention relates to a side sealing plate for a thin-belt continuous casting system. The side sealing plate is characterized by comprising the components in percentage by weight: 10-50% of boron nitride, 5-35% of zirconium boride, 5-25% of zirconium oxide, 1-15% of boron powder, 1-10% of graphite and 0.1-5% of carbon fiber. As the fabricate particles are firstly adopted in the side sealing plate, then the techniques such as high-temperature sintering and oil immersion and the like are adopted in the common sizing flame-resistant material technique, the porosity and the density of a product are obviously improved, and boron carbide (extremely hard substance) is formed in high-temperature sintering, so that the strength is further improved.

Description

technical field [0001] The invention relates to a side sealing plate for thin strip continuous casting and a manufacturing method. Background technique [0002] Thin strip continuous casting is to inject molten steel directly between the two casting rolls through the tundish, and directly roll it into a thin strip of 2-10mm. This technology is a cutting-edge technology in the field of metallurgy and material research. Its appearance is bringing revolutionary changes to the steel industry. It has changed the production of thin steel in the traditional metallurgical industry. The thin strip continuous casting technology is adopted to integrate continuous casting, rolling, and even heat treatment, so that the thin strip produced can be formed into industrial products at one time after a little cold rolling, which omits and simplifies the production process and shortens the production cycle. The equipment investment is also reduced accordingly, the product cost is significantly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/06
Inventor 许宏杰田守信
Owner 上海柯瑞冶金炉料有限公司
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