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Edition and Publication:
< Natural Gas and Oil > Editorial Department
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China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
CN 51-1183/TE

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Study on Operation Points of High Pressure Pumps Running in Parallel in LNG Terminal

Author of the article:Jia Baoyin, Liu Yirong, Li Ming, Guo Wei

Author's Workplace：China Huanqiu Contracting & Engineering Co., Ltd.Beijing Company, Beijing, 100012, China

Key Words：LNG terminal；High-pressure pump; Paralleling；Performance curves；Dynamic simulation

Abstract：

The dynamic model of high-pressure pump parallel operation in a LNG terminal was established by using HYSYS dynamic simulation software.The operating point was studied when several high-pressure pumps were running in parallel.The flow deviation degree of high-pressure pump and the influence on normal operation of pumps was analyzed and judged.The analysis showed that in this case, when several high-pressure pumps were connected in parallel, the phenomenon of flow deviation would inevitably occur,but within the allowable range.The dynamic simulation could accurately simulate the actual operation point range under the high-pressure pump parallel operation,and guide to optimize the system design of high-pressure pump in the optimal operation range.