发明名称 |
COMBINATION VALVE AND STEAM TURBINE SYSTEM |
摘要 |
PROBLEM TO BE SOLVED: To provide a combination valve and steam turbine system capable of depressing the occurrence of a seizure even when the temperature of circulating fluid transiently changes.SOLUTION: The combination valve comprises: a valve body 5 having a valve body side valve seat face P1 formed inside; an inside valve body 6 provided within the valve body 5 and having an inside valve seat face P2 which abuts the valve body side valve seat face P1; an inside valve rod 8 connected to the inside valve body 6 for moving the inside valve body 6 in a contact/separate direction of the valve body side valve seat face P1 and the inside valve seat face P2 (an axial direction); an outside valve body 7 provided on the outside of the inside valve body 6 within the valve body 5 and having an outside valve seat face P3 which abuts the valve body side valve seat face P1; an outside valve rod 9 connected to the outside valve body 7 for moving the outside valve body 7 in a contact/separate direction of the valve body side valve seat face P1 and the outside valve seat face P3 (an axial direction); an absorption line 38 for absorbing steam leaking along at least one of the circumferences of the inside valve rod 8 and the outside valve rod 9; and a flow regulating valve 40 interposed in the absorption line 38. |
申请公布号 |
JP2015017595(A) |
申请公布日期 |
2015.01.29 |
申请号 |
JP20130146741 |
申请日期 |
2013.07.12 |
申请人 |
MITSUBISHI HEAVY IND LTD |
发明人 |
FUTAHASHI KENSUKE;HAMADA TAKEHISA |
分类号 |
F01D17/10;F16K1/00;F16K1/32 |
主分类号 |
F01D17/10 |
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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