发明名称 Apparatus and method for feeding materials to a cement mill
摘要 A flow enhanced calcium sulfate product includes a calcium sulfate source material, such as a flue gas desulphurization by-product, is pre-blended with a granular feedstock exhibiting good cementitious properties. The flow enhanced calcium sulfate is fed to a cement mill where it is combined with clinker during a finishing grinding process for portland cement. The flow enhanced calcium sulfate exhibits good flowability without changing the properties of the cement.
申请公布号 US2008115696(A1) 申请公布日期 2008.05.22
申请号 US20060602337 申请日期 2006.11.21
申请人 LAFARGE NORTH AMERICA 发明人 COMPTON HORACE H.;FERNOW NATHAN A.;JOSHI AJAY
分类号 C04B40/00;C04B7/04 主分类号 C04B40/00
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