Design of coiled-wound heat exchanger in small plant of LNG

LI Jingyao; GONG Maoqiong; TANG Qixiong; SUN Zhaohu; ZOU Xin; CHEN Gaofei; WU Jianfeng

doi:10.11949/j.issn.0438-1157.20151061

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Design of coiled-wound heat exchanger in small plant of LNG

更新时间：2025-12-10

- Design of coiled-wound heat exchanger in small plant of LNG
- CIESC Journal Issue S2, Pages: 108-115(2015)
- 作者机构：
  
  1. 中国科学院理化技术研究所,北京,100190
  2. 中国科学院大学,北京,100049
  3. 中科睿凌低温设备有限公司,北京,101499
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20151061
  CLC： Q028.8
- Online First：31 August 2015，
  
  Published：31 August 2015
- 稿件说明：
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LI Jingyao, GONG Maoqiong, TANG Qixiong, et al. Design of coiled-wound heat exchanger in small plant of LNG[J]. CIESC Journal, 2015, (S2): 108-115.
DOI：

LI Jingyao, GONG Maoqiong, TANG Qixiong, et al. Design of coiled-wound heat exchanger in small plant of LNG[J]. CIESC Journal, 2015, (S2): 108-115. DOI： 10.11949/j.issn.0438-1157.20151061.

摘要

缠绕管换热器在天然气液化、空气分离、低温甲醇洗等低温领域有广泛的应用。提出一种可用于缠绕管换热器的设计方法

基于该方法采用分段微元法编写了缠绕管换热器设计程序;并运用该程序对已有换热器进行核算

验证了设计方法的可靠性;同时设计了用于小型LNG装置的缠绕管换热器

为工程上设计用于LNG装置的多股流缠绕管式换热器提供参考。

Abstract

Coiled-wound heat exchanger has a wide range of applications in the area of liquefied natural gas(LNG)

air separation and rectisol process.This paper presents a design method of coiled-wound heat exchanger

and based on the method

piecewise infinite simal method is used to write programs to design coiled-wound heat exchanger.An existing heat exchanger is check calculated with the programs to verify the reliability of the design method.Meanwhile

a coiled-wound heat exchanger used in small plant of LNG is designed

which provides a reference for engineering designing of multi-stream coiled-wound heat exchangers.

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