耐火磚
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22
2012-04
?? 我國是世界上煉鐵最早的國家之一。1890年創辦的漢陽鐵廠,是中國第一個近代鋼鐵廠。但就中國的近代鋼鐵工業基礎薄弱,產量低,品種少,質量差;部門結構和地區分布很不平衡。1949年鋼產量僅15.38萬噸,居世界第26位。屈指可數的十···
02
2013-08
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18
2012-06
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10
2013-01
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05
2015-01
①目前砌筑塔盤采用磷酸碳化硅高鋁灰漿砌筑,其配比為:磷酸:碳化硅高鋁灰=1:(4~4.5)。其中,磷酸品質標準:H,PO。占45%,密度為1.3g/cm3。碳化硅高鋁灰:粒度-0.246mm,碳化硅灰90%;粒度
12
2012-05
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13
2016-06
輕質澆注料是由輕質耐火骨料與粉料、結合劑和外加劑配制而成的可澆注成型的混合料。由于輕質澆注料體積密度小、熱導率低,因此也可稱為隔熱耐火澆注料,主要起到窯爐耐火保溫作用。輕質澆注料分類Ⅰ:半輕質耐火澆注料,體積密度為1.0~···
02
2013-10
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01
2012-06
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28
2013-08
/* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm···