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NONCONDENSABLE GAS EXHAUST DEVICE FOR CONDENSER, AND NONCONDENSABLE GAS EXHAUST CONTROL METHOD FOR CONDENSER
NONCONDENSABLE GAS EXHAUST DEVICE FOR CONDENSER, AND NONCONDENSABLE GAS EXHAUST CONTROL METHOD FOR CONDENSER
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机译:冷凝器的不凝性气体排放装置及冷凝器的不凝性气体排放控制方法
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摘要
PROBLEM TO BE SOLVED: To provide a noncondensable gas exhaust device for a condenser capable of preventing rubbing vibration of a turbine and shortening a vacuum degree adjusting time for the condenser.;SOLUTION: The noncondensable gas exhaust device 20A has a first extraction amount regulating valve 2, a noncondensable gas extractor 3, a noncondensable gas extraction condenser 4 and a recoupler 5 installed at a noncondensable gas extraction pipe 21 from the condenser 1 side. A by-pass pipe 22 smaller in inner diameter than the noncondensable gas extraction pipe 21 is connected to the noncondensable gas extraction pipe 21. A second extraction amount regulating valve 8 installed at the by-pass pipe 22 has a smaller bore than the first extraction amount regulating valve 2. When adjusting the vacuum of the condenser, a controller 10 controls the opening of the second extraction amount regulating valve 8 based on the vacuum measured at a vacuum gauge 9 installed at the condenser 1.;COPYRIGHT: (C)2008,JPO&INPIT
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