发明授权
- 专利标题： Liquefaction process producing subcooled LNG
- 专利标题（中）： 生产过冷LNG的液化过程
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申请号： US13906221申请日： 2013-05-30
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公开(公告)号： US08991208B2公开(公告)日： 2015-03-31
- 发明人: Hans E. Kimmel
- 申请人： Ebara International Corporation
- 申请人地址： US NV Sparks
- 专利权人： Ebara International Corporation
- 当前专利权人： Ebara International Corporation
- 当前专利权人地址： US NV Sparks
- 代理商 Ray K. Shahani; Kin Hung Lai
- 主分类号： F25J1/00
- IPC分类号： F25J1/00 ; F25J1/02
摘要：
A variable speed liquid LNG expander (X1) and a variable speed two-phase LNG expander (X2) in line, downstream from X1. The rotational speed of both expanders can be controlled and changed independent from each other. The speed of expander X1 and expander X2 is determined in such way that the amount of liquid LNG downstream from the PHS compared to the feed gas supply is maximized and the amount of vapor and boil-off downstream of X2 is minimized.
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