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13608687008
耐火磚知識與新聞
10
2012-09
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09
2012-09
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09
2012-09
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09
2012-09
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08
2012-09
??? 堿性耐火磚挖補主要指鎂鉻磚和尖晶石磚的挖補。其在修補時應(yīng)該注意以下幾個方面的問題。1)補耐火磚必須采用與舊磚相同廠家相同批次的磚；2)盡可能使用與舊磚同一次檢修的剩余散磚(注：受潮或摔損的磚嚴(yán)禁使用)；3)新老磚的接觸···
08
2012-09
??? 目前，氧氣轉(zhuǎn)爐爐襯使用的耐火磚主要是含碳的堿性耐火磚，如焦油白云石磚、焦油鎂白云石磚、焦油鎂磚、鎂碳磚和各種浸漬磚等。另外，還有噴補用的耐火噴涂料。從采用氧氣轉(zhuǎn)爐煉鋼以來，各國普遍用鎂質(zhì)和白云石質(zhì)耐火磚作爐襯，···
08
2012-09
加熱爐爐體的砌耐火磚規(guī)格及尺寸應(yīng)按磚的尺寸加灰縫厚度來計算。在設(shè)計中耐火磚砌體的垂直砌筑尺寸為68mm的倍數(shù)；水平砌筑尺寸為116mm的倍數(shù)。由爐子各部位要求的灰縫不同及耐火磚本身存在公差所產(chǎn)生的誤差，可通過加人T-l、T-Z、T-4等···
08
2012-09
耐急冷急熱的測定方法，根據(jù)部頒標(biāo)準(zhǔn)是將欲測定的耐火磚試樣加熱到850℃，然后放入冷水中急速冷卻（如試樣不宜在水中冷卻，則可以置空氣中冷卻）。如此重復(fù)急速加熱和冷卻，待耐火磚表層崩裂和脫落而損失的重量達到原試樣重量的20%為止···
07
2012-09
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07
2012-09
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07
2012-09
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06
2012-09
弓形拱頂采用拱腳耐火磚或冷卻的金屬拱腳。拱腳耐火磚的尺寸首先決定于所砌弓形拱頂?shù)闹行慕强?。為便于計算及?biāo)準(zhǔn)化起見，一般采用這樣幾種標(biāo)準(zhǔn)中心角，60o、70o、90o及120o。任何一個拱腳耐火磚事實上包括一個直角三角形，即拱腳耐火磚···
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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04
2012-09
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04
2012-09
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04
2012-09
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熱門產(chǎn)品
河南宏泰窯爐耐火材料有限公司
電話：13608687008
地址：鄭州新密市超化鎮(zhèn)工業(yè)園區(qū)
