Title:
天然ガス液化施設における混合冷媒の保存方法
Document Type and Number:
Japanese Patent JP7100762
Kind Code:
B2
Abstract:
A method of operating, during an at least partial shutdown of a refrigerant distribution subsystem in a natural gas liquefaction facility, can include: draining down at least a portion of a mixed refrigerant in one or more components of the refrigerant distribution subsystem into a high-pressure holding tank of a drain down subsystem, wherein draining down to the high-pressure holding tank is achieved by pumping the mixed refrigerant from the refrigerant distribution subsystem to the high-pressure holding tank or backfilling the refrigerant distribution subsystem with a backfill gas; and optionally, transferring at least a portion of the mixed refrigerant into a low-pressure drum from the high-pressure holding tank.
Inventors:
Ryberg Brett El
Light Stephen
Kenichi Tadano
Naoki Watanabe
Light Stephen
Kenichi Tadano
Naoki Watanabe
Application Number:
JP2021507593A
Publication Date:
July 13, 2022
Filing Date:
July 23, 2019
Export Citation:
Assignee:
Exxon Mobil Upstream Research Company
International Classes:
F25J1/00; F25B27/00
Domestic Patent References:
| JP2009500579A | ||||
| JP57169573A | ||||
| JP2016080344A | ||||
| JP2009543894A |
Foreign References:
| US5636529 | ||||
| US5024061 | ||||
| US20110308482 | ||||
| US20170160010 |
Attorney, Agent or Firm:
Shinichiro Tanaka
Yoshi Kazuhiko Ta
Hiroyuki Suda
Matsushita Mitsuru
Ichiro Kurasawa
Yasushi Yamamoto
Kosuke Yamamoto
Yoshi Kazuhiko Ta
Hiroyuki Suda
Matsushita Mitsuru
Ichiro Kurasawa
Yasushi Yamamoto
Kosuke Yamamoto
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