CN102016481B - 修补板式热交换器的方法 - Google Patents
修补板式热交换器的方法 Download PDFInfo
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- CN102016481B CN102016481B CN200980115251.1A CN200980115251A CN102016481B CN 102016481 B CN102016481 B CN 102016481B CN 200980115251 A CN200980115251 A CN 200980115251A CN 102016481 B CN102016481 B CN 102016481B
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- fluid
- heat
- exchangers
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 230000005494 condensation Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
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- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0033—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cryogenic applications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49352—Repairing, converting, servicing or salvaging
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明涉及一种修补板式热交换器的方法,漏点该板式热交换器是包括多个板的类型的,所述板与布置在所述板上的侧条共同限定流体流动路径,所述路径的其中之一具有到达至相邻路径的漏点,所述方法至少包括下列的相继步骤:将两个相邻路径隔离,以及向所述两个相邻路径中注入同一种压强在0.5bar与1.5bar之间的流体。
Description
本发明涉及一种修补板式热交换器的方法,该板式热交换器是包括多个板的类型的,所述板与布置在所述板上的侧条共同限定流体流动路径。
板式热交换器通常由限定流体通道的一摞板构成。
为了改善流体之间的热交换,被称为翅片的波纹片可“夹”在形成热交换器的板之间。生成的通道在两侧通过侧条而被封闭。一旦热交换器被组装完成,就将该热交换器钎焊,以给予组件以机械强度以及改善的热接触。
现有技术的热交换器能够在多种流体之间交换热量。处理多于五种流体的板式热交换器是常见的。
然而,由于非常紧凑,板式热交换器也用在仅使用两种流体的工艺中。典型地,这类交换器相当于蒸发器-冷凝器。在这种构造中,一种流体通过从冷凝的第二流体吸收热量而被蒸发。
如果蒸发通道的侧条的钎焊质量差,则可在冷凝通道与蒸发通道之间产生漏点。这降低了待蒸发流体的纯度。在某些工艺中,这种纯度是至关重要的,这种漏点需要修补或更换板式热交换器。
一种选择是通过下列方式来修补热交换器:将泄漏的蒸发通道在入口和出口处封闭来封闭该泄漏的蒸发通道并且让这个泄漏的蒸发通道与直接邻接该泄漏的蒸发通道的冷凝通道接触。因此,这两个通道之间的压强将相等。
常规地,冷凝通道在高于蒸发通道压强的压强下工作。因此,板式热交换器必须设计成,使得蒸发通道和冷凝通道能够承受同样的压力。这种板式热交换器设计方案增加了成本,同时对于所述交换器的热性能没有任何改进。
本发明的目的是提供一种修补板式热交换器的方法,该方法不要求所述交换器具有特殊设计。
因此,本发明提供一种修补板式热交换器的方法,该板式热交换器是包括多个板的类型的,所述板与布置在所述板上的侧条共同限定流体流动路径,所述路径的其中之一具有到达至相邻路径的漏点,所述方法至少包括下列的相继步骤:
-将两个相邻路径隔离,以及
-向所述两个相邻路径中注入同一种压强在0.5bar与1.5bar之间的流体。
有利地,根据本发明的修补方法可以用于修补板式热交换器,而不必考虑该板式热交换器的几何结构。尤其是,在修补包括无翅片通道的热交换器的情况中,本发明将是特别有利的。因为,根据本发明的方法涉及使两个相邻通道处于相同的压强下,一般在0.5bar与1.5bar之间,从而在所述两个相邻路径之间产生微小的机械应力。
根据本发明的方法也可以单独或以任何可能的组合包括一个或多个下列的可选特征:
-在两个相邻路径被隔离之后,在所述两个相邻路径的侧条上布置集管(header),从而允许所述同一种流体注入所述相邻路径中;
-注入两个相邻路径中的流体是惰性气体;
-注入两个相邻路径中的流体是氮气。
本发明包括将热交换器的两个相邻路径隔离,并且使这两个相邻路径之间的压强相等,以使这两个路径之间的机械应力减小。有利地,两个路径之间的平衡压强选择在0.5bar与1.5bar之间,从而进一步减小热交换器内的机械应力。
可以通过焊接在这两个路径的入口和出口处的板或者通过所属领域技术人员已知的任何其它手段来隔离所述两个相邻路径。
可安装在两个相邻路径的侧条上以便向两个路径中注入流体的集管可以采用设有流体入口装置的半圆柱体的形式。
有利地,集管可安装成跨骑在两个相邻路径上。
注入流体可以是化学惰性气体。
有利地,化学惰性气体的注入确保了这种气体与流过所述热交换器的其它流体不发生反应。
惰性气体优选地选择为具有低于热交换器的工作温度的冷凝温度。
例如,如果热交换器用作用于空分装置(ASU)的蒸发器-冷凝器,则可使用氮气作为惰性流体,因为氮的冷凝温度低于空分装置中的热交换器的工作温度。
本发明不局限于所描述的实施方式并且应被非限制地解释为包括所有等效的实施方式。尤其是,根据本发明的方法可应用于任何类型的板式热交换器,而不必考虑该板式热交换器的应用场合和尺寸,空分装置的蒸发器-冷凝器仅是板式热交换器的应用场合的一个重要示例。
Claims (5)
1.一种修补板式热交换器的方法,该板式热交换器是包括多个板的类型的,所述板与布置在所述板上的侧条共同限定流体流动路径,所述路径的其中之一具有到达至相邻路径的漏点,所述方法至少包括下列的相继步骤:
-将两个相邻路径隔离,以及
-向所述两个相邻路径中注入同一种压强在0.5bar与1.5bar之间的流体。
2.根据权利要求1所述的方法,其特征在于,在所述两个相邻路径被隔离之后,在所述两个相邻路径的侧条上布置集管,从而允许所述同一种流体注入所述相邻路径中。
3.根据权利要求1或2所述的方法,其特征在于,注入所述两个相邻路径中的流体是惰性气体。
4.根据权利要求1或2所述的方法,其特征在于,注入所述两个相邻路径中的流体是氮气。
5.根据权利要求1或2所述的方法,其特征在于,所述热交换器是空分装置的蒸发器-冷凝器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0852845A FR2930632B1 (fr) | 2008-04-28 | 2008-04-28 | Procede de reparation d'un echangeur de chaleur a plaques |
FR0852845 | 2008-04-28 | ||
PCT/FR2009/050608 WO2009136068A1 (fr) | 2008-04-28 | 2009-04-08 | Procédé de réparation d'un échangeur de chaleur à plaques |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102016481A CN102016481A (zh) | 2011-04-13 |
CN102016481B true CN102016481B (zh) | 2012-07-04 |
Family
ID=40225347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN200980115251.1A Expired - Fee Related CN102016481B (zh) | 2008-04-28 | 2009-04-08 | 修补板式热交换器的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8782888B2 (zh) |
EP (1) | EP2268992B1 (zh) |
JP (1) | JP2011519014A (zh) |
CN (1) | CN102016481B (zh) |
FR (1) | FR2930632B1 (zh) |
WO (1) | WO2009136068A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2930632B1 (fr) * | 2008-04-28 | 2010-05-07 | Air Liquide | Procede de reparation d'un echangeur de chaleur a plaques |
FI124230B (fi) * | 2012-05-28 | 2014-05-15 | Vahterus Oy | Menetelmä ja järjestely lämmönsiirtimen levypakan korjaamiseksi sekä levylämmönsiirrin |
JP5982221B2 (ja) * | 2012-08-21 | 2016-08-31 | 株式会社神戸製鋼所 | プレートフィン熱交換器及びプレートフィン熱交換器の補修方法 |
CN109737781B (zh) * | 2019-03-11 | 2023-11-24 | 江苏欧迈格板式换热器制造有限公司 | 多隔板换热面积可调型板式换热器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1472493A (fr) * | 1966-03-22 | 1967-03-10 | Trane Co | échangeur de chaleur du type à plaques et son procédé de construction et de réparation |
GB1125175A (en) * | 1966-01-27 | 1968-08-28 | Marston Excelsior Ltd | Improvements in heat exchangers |
CN1956777A (zh) * | 2004-03-23 | 2007-05-02 | 维罗西股份有限公司 | 微通道装置中修补的均匀涂层 |
CN101004329A (zh) * | 2006-01-20 | 2007-07-25 | 弗拉特普莱特股份有限公司 | 双壁泄流换热器 |
Family Cites Families (16)
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US3590914A (en) * | 1969-10-01 | 1971-07-06 | Trane Co | Countercurrent flow plate-type heat exchanger with leak detector |
NL158287B (nl) * | 1975-02-05 | 1978-10-16 | Neratoom | Werkwijze voor het afdichten van lekke pijpen, reparatie-eenheid ten gebruike bij de werkwijzen en inrichting gerepareerd door toepassing van de werkwijze. |
US4090554A (en) * | 1976-11-17 | 1978-05-23 | The Babcock & Wilcox Company | Heat exchanger |
US4226113A (en) * | 1979-04-11 | 1980-10-07 | Electric Power Research Institute, Inc. | Leak detecting arrangement especially suitable for a steam condenser and method |
JPS61254830A (ja) * | 1985-05-08 | 1986-11-12 | Babcock Hitachi Kk | 熱交換器伝熱管盲栓部の耐圧試験方法 |
GB2208005A (en) * | 1987-08-07 | 1989-02-15 | Apv Uk | Plate heat transfer apparatus |
CA1296583C (en) * | 1988-06-16 | 1992-03-03 | Raymond Joseph Chalifoux | Heat exchanger leak detection |
JP3017272B2 (ja) * | 1990-11-07 | 2000-03-06 | 株式会社ゼクセル | 熱交換器 |
US5730209A (en) * | 1995-04-28 | 1998-03-24 | Air Products And Chemicals, Inc. | Defrost and liquid distribution for plate-fin heat exchangers |
JPH116693A (ja) * | 1997-04-23 | 1999-01-12 | Denso Corp | 車両空調用熱交換器 |
JP4081805B2 (ja) * | 1999-09-17 | 2008-04-30 | 株式会社デンソー | 熱交換器の修理方法 |
JP2001182994A (ja) * | 1999-12-24 | 2001-07-06 | Fujitsu General Ltd | 空気調和機 |
FR2823847B1 (fr) * | 2001-04-23 | 2003-09-05 | Tetra Laval Holdings & Finance | Procede et dispositif de detection de fuite dans un echangeur de chaleur, notamment a plaques |
US7779893B2 (en) * | 2006-08-22 | 2010-08-24 | Delphi Technologies, Inc. | Combination heat exchanger having an improved end tank assembly |
FR2930632B1 (fr) * | 2008-04-28 | 2010-05-07 | Air Liquide | Procede de reparation d'un echangeur de chaleur a plaques |
JP5128544B2 (ja) * | 2009-04-20 | 2013-01-23 | 株式会社神戸製鋼所 | プレートフィン熱交換器 |
-
2008
- 2008-04-28 FR FR0852845A patent/FR2930632B1/fr active Active
-
2009
- 2009-04-08 US US12/989,674 patent/US8782888B2/en not_active Expired - Fee Related
- 2009-04-08 CN CN200980115251.1A patent/CN102016481B/zh not_active Expired - Fee Related
- 2009-04-08 JP JP2011506746A patent/JP2011519014A/ja active Pending
- 2009-04-08 EP EP09742266.1A patent/EP2268992B1/fr not_active Not-in-force
- 2009-04-08 WO PCT/FR2009/050608 patent/WO2009136068A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1125175A (en) * | 1966-01-27 | 1968-08-28 | Marston Excelsior Ltd | Improvements in heat exchangers |
FR1472493A (fr) * | 1966-03-22 | 1967-03-10 | Trane Co | échangeur de chaleur du type à plaques et son procédé de construction et de réparation |
CN1956777A (zh) * | 2004-03-23 | 2007-05-02 | 维罗西股份有限公司 | 微通道装置中修补的均匀涂层 |
CN101004329A (zh) * | 2006-01-20 | 2007-07-25 | 弗拉特普莱特股份有限公司 | 双壁泄流换热器 |
Non-Patent Citations (1)
Title |
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JP特开2001-124481A 2001.05.11 |
Also Published As
Publication number | Publication date |
---|---|
JP2011519014A (ja) | 2011-06-30 |
US8782888B2 (en) | 2014-07-22 |
FR2930632A1 (fr) | 2009-10-30 |
CN102016481A (zh) | 2011-04-13 |
EP2268992A1 (fr) | 2011-01-05 |
WO2009136068A1 (fr) | 2009-11-12 |
EP2268992B1 (fr) | 2014-05-07 |
FR2930632B1 (fr) | 2010-05-07 |
US20110258853A1 (en) | 2011-10-27 |
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