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耐火砖知识与新闻
22
2014-11
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22
2014-11
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16
2014-11
大多数形状简单、厚实的氧化铝砖类耐火砖多采用模压法工艺制造。所谓模压法(也称半干压法)，就是将含有少量黏结剂的、具有较粗颗粒与细粉配比的坯料，放在金属模型内，在压机上受压而成型。 对于耐火砖即模压成型来说，为什么泥料的···
16
2014-11
石灰竖窑窑衬的耐久性对窑的不维修运行时间有很大的影响，从而对窑的生产技术经济指标也有很大的影响。窑的运行时间越长产品产量就越大，生产lt灰费用就越少。窑衬的使用效果及使用寿命取决于耐火材料的性能和质量、窑衬材质和结构···
16
2014-11
近年来，我国水泥工业迅猛发展，大晕固体废弃物被用作原料、燃料，致使耐火材料所承受的热应力、机械应力和化学侵蚀大幅度增加，导致回转窑用耐火材料衬里的使用周期缩短，耐火材料消耗增加，大大影响了水泥生产企业的经济效益。耐···
16
2014-11
高铝砖的性能也与粘土砖一样，由于化学成分波动大，砖种类多，用途广，其性能按用途和牌号(GB/T 2988-2012高铝砖国家标准)也有很大差别，如荷重软化温度。一般用途的高铝砖最低为1420℃，而电炉用高铝砖最高为1550℃，硅线石砖达16···
02
2014-11
钢包用不烧砖有铝镁砖和铝镁碳砖、镁铝碳砖。它与烧成砖不同之处是釆用水玻璃或酚醛树脂等作结合剂，成型后经低温处理。该耐火砖在使用过程中，基质中的氧化铝和氧化镁形成铝镁尖晶石，石墨和树脂结合剂中的碳则形成碳链网络结构，因此···
28
2014-10
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26
2014-10
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13
2014-10
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08
2014-10
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08
2014-10
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07
2014-10
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07
2014-10
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01
2014-10
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30
2014-09
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26
2014-09
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21
2014-09
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20
2014-09
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20
2014-09
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