发明公开
- 专利标题： HEAVY HYDROCARBON REMOVAL SYSTEM FOR LEAN NATURAL GAS LIQUEFACTION
- 专利标题（中）： 精益天然气液化的重烃去除系统
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申请号： EP17182662.1申请日： 2017-07-21
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公开(公告)号： EP3273194A1公开(公告)日： 2018-01-24
- 发明人: Chen, Fei , Roberts, Mark Julian , Ott, Christopher Michael , Weist, Annemarie Ott
- 申请人： AIR PRODUCTS AND CHEMICALS, INC.
- 申请人地址： 7201 Hamilton Boulevard Allentown, Pennsylvania 18195 US
- 专利权人： AIR PRODUCTS AND CHEMICALS, INC.
- 当前专利权人： AIR PRODUCTS AND CHEMICALS, INC.
- 当前专利权人地址： 7201 Hamilton Boulevard Allentown, Pennsylvania 18195 US
- 代理机构： Beck Greener
- 优先权： US201615216318 20160721
- 主分类号： F25J1/00
- IPC分类号： F25J1/00 ; F25J1/02
摘要：
A system and method for integrated heavy hydrocarbon removal in a liquefaction system having a lean natural gas source. An economizer located between a main cryogenic heat exchanger and a reflux drum is provided to cool an overhead vapor stream against a partially condensed stream. In addition, pressure of the natural gas feed stream is maintained into a scrub column. A pressure drop is provided by a valve located between the economizer and the reflux drum on a partially condensed stream withdrawn from the cold end of the warm section of the main cryogenic heat exchanger.
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