LPG装船     ,安全阀计算    ,换热管破裂   汽化器补压    ," /> LPG装船     ,安全阀计算    ,换热管破裂   汽化器补压    ,"/> <b>LPG装船系统研究 </b> <div> <div id="ftn1"> <p class="MsoFootnoteText" style="margin-left:18.0pt;"> <span></span> </div> </div>

石油化工设计 ›› 2026, Vol. 43 ›› Issue (3): 48-53.doi: 10.3969/j.issn.1005-8168.2026.03.009

• 工程应用 • 上一篇    下一篇

LPG装船系统研究

陈瑞琪   

  1. (中国石化工程建设有限公司,北京 100101

  • 收稿日期:2025-07-02 出版日期:2026-08-25 发布日期:2026-09-07
  • 作者简介:陈瑞琪,女,1994年生,2019年硕士毕业于中国石油大学(北京)油气储运工程专业,工程师,现从事储运设计工作。

Research on LPG Loading Systems

Chen Ruiqi   

  1. (SINOPEC Engineering Incorporation, Beijing, 100101)

  • Received:2025-07-02 Online:2026-08-25 Published:2026-09-07

摘要:

某海上FPSO项目为研究对象,对开采天然气依次开展分离、提纯、液化处理,实现液化石油气的生产、储存与外输。FPSO利用装船泵完成 LPG 装船作业,船舶装船完毕后,利用LPG储存罐罐顶气对外输管道实施吹扫;吹扫完成后,及时回收系统中的气相和液相LPG。针对项目LPG蒸汽回收压缩机的吹扫、回收2种运行工况,介绍外输管线的吹扫和回收工艺,提出保障压缩机运行安全的管控措施。基于HYSYS流程模拟软件,对汽化器的出口温度开展仿真计算,核定汽化器换热管破裂工况的泄漏量,可为同类型LPG装船设计提供理论指导。

关键词: LPG装船     ')">

LPG装船     , 安全阀计算    , 换热管破裂   汽化器补压   

Abstract:

An offshore FPSO project carries out separation, purification and liquefaction processes for natural gas extracted from offshore sources, so as to produce, store and transport liquefied petroleum gas (LPG) outward. The FPSO uses ship loading pumps for loading operations. After the loading is completed, the outgoing pipelines are purged using the overhead gas from LPG storage tanks. Once the purging is finished, the gaseous and liquid phase LPG in the system is promptly recovered. This paper examines the purging and recovery operation of an LPG vapor recovery compressor in the project, introduces the purging and recovery processes for the outgoing pipelines, and proposes some measures for ensuring the safe operation of the compressor. HYSYS simulations are performed to model the outlet temperature of the vaporizer and calculate the leakage rates under heat exchanger tube rupture scenarios, providing theoretical guidance for similar LPG loading operations.

Key words: LPG loading;safety valve calculation;heat exchanger tube rupture;pressure compensation for vaporizer ,