发明名称 |
METHOD AND APPARATUS FOR HEATING AND GRINDING MATERIALS |
摘要 |
METHOD AND APPARATUS FOR HEATING AND GRINDING MATERIAL Hot gas is introduced into a fluidised bed of the granular material, for example gypsum, contained in a vessel 10 having a grinding device or mill 11 in its lower region, which may comprise grinding rollers 15 cooperating with a table 17 on the base of the vessel. The gas may be supplied through a tube 20 passing down through the vessel, while raw material is fed into the bed, preferably by a feed screw 34. The ground product is discharged from the bed by an overflow 28 which determines the level of the bed.
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申请公布号 |
CA2130965(A1) |
申请公布日期 |
1995.02.28 |
申请号 |
CA19942130965 |
申请日期 |
1994.08.26 |
申请人 |
BPB INDUSTRIES PUBLIC LIMITED COMPANY |
发明人 |
WARD, ARTHUR G. T.;BALL, DAVID J.;CURTIS, PHILIP;VARNEY, EDWARD |
分类号 |
B02C15/04;B01J6/00;B02C15/00;B02C23/06;B02C23/24;C04B7/45;C04B11/028;C04B11/036;F27B15/00;F27D3/00;(IPC1-7):B02C21/00 |
主分类号 |
B02C15/04 |
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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