CN108266638A - 液化天然气气化复热一体装置 - Google Patents

液化天然气气化复热一体装置 Download PDF

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Publication number
CN108266638A
CN108266638A CN201810037897.3A CN201810037897A CN108266638A CN 108266638 A CN108266638 A CN 108266638A CN 201810037897 A CN201810037897 A CN 201810037897A CN 108266638 A CN108266638 A CN 108266638A
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CN
China
Prior art keywords
heat
gas
gasifying
liquefied natural
natural gas
Prior art date
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Pending
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CN201810037897.3A
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English (en)
Inventor
樊军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Refrigeration And Liquefaction Equipment Co Ltd
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Jiangsu Refrigeration And Liquefaction Equipment Co Ltd
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Application filed by Jiangsu Refrigeration And Liquefaction Equipment Co Ltd filed Critical Jiangsu Refrigeration And Liquefaction Equipment Co Ltd
Priority to CN201810037897.3A priority Critical patent/CN108266638A/zh
Publication of CN108266638A publication Critical patent/CN108266638A/zh
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0302—Heat exchange with the fluid by heating
    • F17C2227/0309—Heat exchange with the fluid by heating using another fluid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

本发明涉及一种换热器，具体为用于液化天然气的气化和复热的一种换热器装置。液化天然气气化复热一体装置，包括多个换热管，包括气化部分和复热部分；所述的气化部分有独立的低温液体进口和常温气体出口，所述的复热部分有独立的低温气体进口和常温气体出口。该装置可有效的减少占地面积，使安装管道简单化，从而进一步降低较大投资成本的目的。

Description

液化天然气气化复热一体装置
技术领域
本发明涉及一种换热器，具体为用于液化天然气的气化和复热的一种换热器装置。
背景技术
换热器，其结构是通过多个换热管来组合而成，由过冷、气化和加热段组成。在很多液化天然气气站，气化部分作为一个独立整体，来对低温液体进行气化后进入管网使用，而复热部分也为另一个独立整体，即其它的低温气体进行加热后进入管网使用。其最大的优点在于不需外加能源，最大的缺点在于分成两个部分后导致的占在面积太大。由于气化部分和复热部分的分开，导致用户现场土地紧张，且易使安装管道复杂化，耗资巨大，浪费资源。
发明内容
为解决上述技术问题，本发明提供一种占地面积小、结构简单的液化天然气气化复热一体装置，具体的技术方案为：液化天然气气化复热一体装置，包括多个换热管，包括气化部分和复热部分；所述的气化部分有独立的低温液体进口和常温气体出口，所述的复热部分有独立的低温气体进口和常温气体出口。
所述的换热管为翅片换热管。
本发明提供的装置，将气化部分和复热部分相结合，但其进出口分开，即气化部分为一个通道，复热部分为一个通道，但又通过支架等做成一个整体，可有效的减少占地面积，使安装管道简单化，从而进一步降低较大投资成本的目的。
附图说明
图1是本发明的结构示意图。
具体实施方式
结合附图说明本发明的具体技术方案，如图1所示，液化天然气气化复热一体装置，包括多个换热管，包括气化部分1和复热部分2；所述的气化部分1有独立的低温液体进口101和常温气体出口102，所述的复热部分2有独立的低温气体进口201和常温气体出口202。整台设备用一个槽钢框架3在底部固定，使之成为一个整体，即方便运输，又方便吊装。
所述的换热管为翅片换热管11和21，通过连接件12、22相互连接。
翅片换热管11、21，是承压管外表面带有4、8或12个径向翅片、内置数个径向均匀导流翅片的换热管，承压管与翅片和导流翅片是一个整体，由铝棒通过专用挤压机一次挤压成形，通过气化器上的连接件，将各换热管相连接起来，换热管端部用连接弯管连接，连接方式为焊接。
低温流体进入气化复热一体装置，在流体通道内流动，依靠翅片吸收外界环境(大气)热量传递到管内低温流体，使管内流体吸热并至常温后输送至用户管线。

Claims (2)

1.液化天然气气化复热一体装置，包括多个换热管，其特征在于，包括气化部分和复热部分；所述的气化部分有独立的低温液体进口和常温气体出口，所述的复热部分有独立的低温气体进口和常温气体出口。
2.根据权利要求1所述的液化天然气气化复热一体装置，其特征在于，所述的换热管为翅片换热管。
CN201810037897.3A 2018-01-16 2018-01-16 液化天然气气化复热一体装置 Pending CN108266638A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346758A (en) * 1979-04-03 1982-08-31 Borsig Gmbh Heat exchanger for cooling slag-containing gases from coal gasification
CN202501189U (zh) * 2012-01-16 2012-10-24 无锡特莱姆气体设备有限公司 液化天然气气化复热一体装置
CN203500840U (zh) * 2013-09-24 2014-03-26 欧科能源技术(天津)有限公司 电加热复热装置
CN104235606A (zh) * 2014-07-15 2014-12-24 中国石油集团渤海石油装备制造有限公司 液化天然气加热气化装置
CN106017150A (zh) * 2016-07-21 2016-10-12 黄志钊 一种u型壳式液化天然气气化器
CN107304974A (zh) * 2016-04-25 2017-10-31 江苏德邦工程有限公司 液化天然气冷能回收***和方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346758A (en) * 1979-04-03 1982-08-31 Borsig Gmbh Heat exchanger for cooling slag-containing gases from coal gasification
CN202501189U (zh) * 2012-01-16 2012-10-24 无锡特莱姆气体设备有限公司 液化天然气气化复热一体装置
CN203500840U (zh) * 2013-09-24 2014-03-26 欧科能源技术(天津)有限公司 电加热复热装置
CN104235606A (zh) * 2014-07-15 2014-12-24 中国石油集团渤海石油装备制造有限公司 液化天然气加热气化装置
CN107304974A (zh) * 2016-04-25 2017-10-31 江苏德邦工程有限公司 液化天然气冷能回收***和方法
CN106017150A (zh) * 2016-07-21 2016-10-12 黄志钊 一种u型壳式液化天然气气化器

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Application publication date: 20180710