| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem wherein the opening of an air releasing valve is inaccurate in a conventional deaerator because the opening is performed by time control or optical control and, as a result, the scaling-up of the deaerator is brought about. SOLUTION: In the deaerator equipped with a revolving flow forming structure, an air-liquid separation membrane installed at the center of the revolving flow forming structure and a controllable air releasing valve installed on the air side of the air-liquid separation membrane, pressure sensors are provided in the revolving flow forming structure and a nearly isobaric flow channel. COPYRIGHT: (C)2006,JPO&NCIPI
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