发明名称 |
Method and apparatus for controlling the liquid level above a solid bed |
摘要 |
There is described a process and apparatus which compares the pressure at the interface between the upper surface of a granular bed and the liquid in which it is submerged with the pressure above the liquid to maintain a predetermined head of liquid above the bed irrespective of expansion and contraction of the bed.
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申请公布号 |
US4073310(A) |
申请公布日期 |
1978.02.14 |
申请号 |
US19750609220 |
申请日期 |
1975.09.02 |
申请人 |
INDUSTRIAL FILTER & PUMP MFG. CO. |
发明人 |
MIKULE, JIRI;HECKEN, WILFRIED |
分类号 |
G01F23/16;G05D9/04;G05D9/12;(IPC1-7):F16K21/18 |
主分类号 |
G01F23/16 |
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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