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		<title>精炼用透水砖</title>
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					<description><![CDATA[透气砖是转炉炉底和炉外精练吹氩的重要设备，它的作用是有利于钢水的均化和合金的溶合，加快非金属夹杂物上浮和有害气 [&#8230;]]]></description>
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<p>透气砖是转炉炉底和炉外精练吹氩的重要设备，它的作用是有利于钢水的均化和合金的溶合，加快非金属夹杂物上浮和有害气体的脱除，提高钢的质量和成材率，降低废品率。目前国内普遍采用的为铬刚玉透气砖。</p>



<p>根据耐火材料的发展方向，利用微裂纹增韧机制，采用高温力学性能卓越、抗渣蚀、热震俱佳的不同复合刚玉材料；尖晶石材料，在铬刚玉透气砖的基础上研发了环保型刚玉-尖晶石透气砖。采用复合刚玉，有效地改善了单一刚玉热震稳定性差的缺点，同时采用了特殊的处理手段，产品密度更高、耐冲刷、抗侵蚀更优，经国内数十家钢厂使用，寿命超过国内同类产品，接近国际先进水平。</p>



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