发明名称 |
Device for drying and/or calcining gypsum |
摘要 |
A gypsum dryer/calciner includes a calcining space; a first pipe having an inlet connected to a source of hot gases and an outlet emerging in the calcining space; a second pipe having an inlet connected to a source of gypsum and an outlet emerging in the calcining space, the second pipe being concentric with the first pipe; and a force-feeding screw positioned at least partially in the second pipe, the screw carrying the gypsum along in the calcining space. |
申请公布号 |
US8251695(B2) |
申请公布日期 |
2012.08.28 |
申请号 |
US20080268473 |
申请日期 |
2008.11.11 |
申请人 |
FALINOWER CHARLES;LAFARGE PLATRES |
发明人 |
FALINOWER CHARLES |
分类号 |
C01F11/46;F27B15/08;B01F7/00;C04B11/028;C04B11/05;F27B1/00;F27B17/00;F27D3/08;F27D3/15;F27D99/00 |
主分类号 |
C01F11/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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