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08
2012-09
目前，氧气转炉炉衬使用的耐火砖主要是含碳的碱性耐火砖，如焦油白云石砖、焦油镁白云石砖、焦油镁砖、镁碳砖和各种浸渍砖等。另外，还有喷补用的耐火喷涂料。从采用氧气转炉炼钢以来，各国普遍用镁质和白云石质耐火砖作炉衬，···
08
2012-09
加热炉炉体的砌耐火砖规格及尺寸应按砖的尺寸加灰缝厚度来计算。在设计中耐火砖砌体的垂直砌筑尺寸为68mm的倍数；水平砌筑尺寸为116mm的倍数。由炉子各部位要求的灰缝不同及耐火砖本身存在公差所产生的误差，可通过加人T-l、T-Z、T-4等···
08
2012-09
耐急冷急热的测定方法，根据部颁标准是将欲测定的耐火砖试样加热到850℃，然后放入冷水中急速冷却（如试样不宜在水中冷却，则可以置空气中冷却）。如此重复急速加热和冷却，待耐火砖表层崩裂和脱落而损失的重量达到原试样重量的20%为止···
07
2012-09
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07
2012-09
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07
2012-09
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07
2012-09
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06
2012-09
弓形拱顶采用拱脚耐火砖或冷却的金属拱脚。拱脚耐火砖的尺寸首先决定于所砌弓形拱顶的中心角口。为便于计算及标准化起见，一般采用这样几种标准中心角，60o、70o、90o及120o。任何一个拱脚耐火砖事实上包括一个直角三角形，即拱脚耐火砖···
06
2012-09
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06
2012-09
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06
2012-09
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05
2012-09
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05
2012-09
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05
2012-09
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05
2012-09
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04
2012-09
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04
2012-09
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04
2012-09
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04
2012-09
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04
2012-09
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河南宏泰窑炉耐火材料有限公司
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