| 发明名称 |
DRAW-OFF DEVICE |
| 摘要 |
Draw-off device for use in a vacuum distillation column comprising a layer of horizontal gutters (17) provide with heat-insulating means in the form of a second wall (25) arranged in the gutters (17) to reduce condensation of vapour passing along the outer walls of the gutters (17).
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| 申请公布号 |
CA2009569(C) |
申请公布日期 |
2000.06.20 |
| 申请号 |
CA19902009569 |
申请日期 |
1990.02.08 |
| 申请人 |
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发明人 |
HAMER, JOHANNES A.;VAN DER HEIJDEN, PIETER;HOEK, PIETER J. |
| 分类号 |
B01D11/04;B01D3/20;(IPC1-7):B01D3/32 |
主分类号 |
B01D11/04 |
| 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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