发明名称 |
Method and device for cooling mine ventilating machines in the longwall face |
摘要 |
With a method and a device for cooling mine ventilating machines in the longwall face, there is provision according to the invention for water to be cooled outside the longwall face at least below 4 DEG C and on average below 3 DEG C and then carried to an annular line of the longwall face whose outer heat exchange surface may, according to the invention, if appropriate be increased by welded-on profile irons or pipes.
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申请公布号 |
DE3618811(A1) |
申请公布日期 |
1987.12.17 |
申请号 |
DE19863618811 |
申请日期 |
1986.06.04 |
申请人 |
HERCO KUEHLTECHNIK HERMANNS UND CO GMBH |
发明人 |
HERMANNS,PETER,DR.RER.NAT.;HERMANNS,KLAUS,DR.RER.NAT.;KUSENBERG,GERHARD |
分类号 |
E21F3/00;(IPC1-7):E21F3/00;F28F27/00 |
主分类号 |
E21F3/00 |
代理机构 |
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代理人 |
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主权项 |
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