EP2685201B1 - Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé - Google Patents

Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé Download PDF

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Publication number
EP2685201B1
EP2685201B1 EP13187710.2A EP13187710A EP2685201B1 EP 2685201 B1 EP2685201 B1 EP 2685201B1 EP 13187710 A EP13187710 A EP 13187710A EP 2685201 B1 EP2685201 B1 EP 2685201B1
Authority
EP
European Patent Office
Prior art keywords
tube
tubes
plate
ring
steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP13187710.2A
Other languages
German (de)
English (en)
Other versions
EP2685201A2 (fr
EP2685201A3 (fr
Inventor
Gianni Artusi
Nicola Barison
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.)
Pfaudler GmbH
Original Assignee
Pfaudler GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32211401&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2685201(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfaudler GmbH filed Critical Pfaudler GmbH
Publication of EP2685201A2 publication Critical patent/EP2685201A2/fr
Publication of EP2685201A3 publication Critical patent/EP2685201A3/fr
Application granted granted Critical
Publication of EP2685201B1 publication Critical patent/EP2685201B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0229—Double end plates; Single end plates with hollow spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements

Definitions

  • the present invention relates to a heat with a set of tubes and tube plates and more particularly a heat exchanger suited for the treatment of highly corrosive fluids or the ones for which a high level of purity must be ensured.
  • Heat exchanger are known for processing highly corrosive fluids or fluids with special purity requirements, wherein the tube plates are of a suitable material, such as solid PTFE.
  • the tubes are sealed with the plate by means of threaded ring nuts, directly tightened in a threading provided in the PTFE.
  • This solution presents drawbacks connected with the not satisfactory mechanical resistance of the plates, especially at high temperatures, which limits the possible applications of the exchanger and renders frequent maintenance necessary.
  • a heat exchanger comprising a set of tubes consisting of SiC tubes mounted between two tube plates in enamelled steel by means of a pressure seal system on the outer surface of each tube, in which the tube can axially slide therein to compensate for thermal expansions.
  • Fig.1 is briefly represented a heat exchanger according to the present invention, comprising a set of tubes in silicon carbide (SiC) (11) and tube plates in enamelled steel (12) as the essential members.
  • SiC silicon carbide
  • both the central shell (14) and the end distributors (13) may be provided in enamelled steel.
  • a characteristic and original aspect of the heat exchanger according to the invention is represented by the enamelled tube plates substituting the traditional ones in PTFE (PolyTetraFluoroEthylene) see Fig. 2 reference 21 or the ones in PFTE-coated steel (see Fig.3 reference 31)
  • PTFE PolyTetraFluoroEthylene
  • Fig.4 shows the embodiment of the exchanger with a single tube plate (41), with enamelling on the shell side, in which the O ring seal gaskets (42) are locked by the threaded ring nut (43) by means of the intermediate bushing (44).
  • the seal on the inner (by O ring reference 51) and the outer (by O ring reference 52) tube plate can be simultaneously achieved by a single locking of the threaded ring nut (53) by means of the intermediate bushing (54) in steel or in PEEK (phenylpolyetherketones of Du Pont), which is fitted with holes (55) for conveying possible fluid leakages to the outside.
  • the two seals on the tube are separate.
  • the seal is implemented by means of a double O ring gasket (62) pressed by an intermediate bushing in steel or in PEEK (64) by the screwing of a steel ring nut (63) in the corresponding thread provided in the tube plate.
  • the required pressure for pressing the O ring seals has been provided by means of a special bushing in glass-filled PEEK or PTFE (66), being pressed by the tube plate.
  • This pressure is applied during the coupling step of the two single plates by the locking of the screws located on an outer peripheral circumference of the enamelled area to avoid any point of discontinuity in the coating (see fig.7 reference 74).
  • the type of seal is characterised by a high degree of elasticity in the axial direction made by means of a mechanical spring system or an adequate number of overlapping O ring gaskets (68), in addition to those provided for pressure seal.
  • An underlying L-profile ring (69) ensures support to this elastic system regardless of the position of the underlying seal ring nut on the inner plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (2)

  1. Échangeur de chaleur comprenant un ensemble de tubes constitué de tube de SiC (11) montés entre deux plaques à tubes (41) en acier au moyen d'un système de joint d'étanchéité sous pression au niveau de l'extrémité, et sur la surface extérieure, de chaque tube (11), dans lequel le tube peut coulisser de manière axiale à l'intérieur pour compenser des dilatations thermiques,
    dans lequel chacune des deux plaques à tubes (41) est une plaque unique (41) émaillée uniquement sur la face interne, qui est le côté de celle-ci en forme de coque, et
    dans lequel le joint d'étanchéité entre les extrémités des tubes (11) et la plaque à tubes (41) est obtenu par un double joint torique (42), au moyen d'une douille intermédiaire en acier ou en PEEK (44), et en vissant un écrou annulaire en acier (43) dans le pas de vis correspondant prévu sur le côté de distribution de la plaque à tubes.
  2. Échangeur de chaleur selon la revendication 1, dans lequel les éléments du système de joint entre les tubes (11) et la plaque à tubes (41) sont adaptés pour résister de manière chimique et thermique aux fluides circulant dans des conditions de fonctionnement normales de l'échangeur.
EP13187710.2A 2002-11-19 2003-03-18 Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé Expired - Lifetime EP2685201B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002449A ITMI20022449A1 (it) 2002-11-19 2002-11-19 Scambiatore di calore con fascio tubiero in carburo di silicio e
EP03005976.0A EP1422488B2 (fr) 2002-11-19 2003-03-18 Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP03005976.0A Division EP1422488B2 (fr) 2002-11-19 2003-03-18 Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé
EP03005976.0A Division-Into EP1422488B2 (fr) 2002-11-19 2003-03-18 Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé

Publications (3)

Publication Number Publication Date
EP2685201A2 EP2685201A2 (fr) 2014-01-15
EP2685201A3 EP2685201A3 (fr) 2014-02-26
EP2685201B1 true EP2685201B1 (fr) 2020-11-11

Family

ID=32211401

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13187710.2A Expired - Lifetime EP2685201B1 (fr) 2002-11-19 2003-03-18 Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé
EP03005976.0A Expired - Lifetime EP1422488B2 (fr) 2002-11-19 2003-03-18 Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP03005976.0A Expired - Lifetime EP1422488B2 (fr) 2002-11-19 2003-03-18 Echangeur de chaleur avec tubes en carbure de silicium et plaques tubulaires en acier émaillé

Country Status (3)

Country Link
EP (2) EP2685201B1 (fr)
ES (1) ES2835223T3 (fr)
IT (1) ITMI20022449A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8105649B1 (en) * 2007-08-09 2012-01-31 Imaging Systems Technology Fabrication of silicon carbide shell
CN102985779B (zh) 2010-05-06 2016-02-17 热矩阵集团有限公司 热交换器管板、热交换器以及制造热交换器管板的方法
FR2960051B3 (fr) * 2010-05-12 2012-04-27 Thermi Consult Dispositif de placage de plaques tubulaires pour echangeurs de chaleur
CN102278911A (zh) * 2011-05-27 2011-12-14 许昌东方化工有限公司 氯化釜用石墨冷凝器的堵漏方法
BE1021633B1 (nl) * 2013-03-20 2015-12-21 Atlas Copco Airpower, Naamloze Vennootschap Warmtewisselaar
CN103837022A (zh) * 2013-06-19 2014-06-04 山东润银生物化工股份有限公司 一种换热器
CN106546120B (zh) * 2017-01-23 2019-01-01 上海金由氟材料股份有限公司 一种氟塑料管式换热器的内包覆紧固密封结构
CN106546121B (zh) * 2017-01-23 2019-01-01 上海金由氟材料股份有限公司 一种氟塑料全包覆密封结构及密封方法
US10823515B2 (en) * 2017-02-07 2020-11-03 Caterpillar Inc. Tube-to-header slip joint for air-to-air aftercooler
DE102018001548A1 (de) * 2018-02-28 2019-08-29 Sgl Carbon Se Rohrbündelwärmeaustauscher sowie Rohrboden und Verfahren zum Abdichten desselben
DE102018112907A1 (de) * 2018-05-30 2019-12-05 Shengjun Feng Wärmetauscher
CN110274507A (zh) * 2019-06-18 2019-09-24 衢州佰强新材料科技有限公司 一种可完全消除热应力的换热器
CN110243225B (zh) * 2019-07-17 2024-02-13 南通三圣石墨设备科技股份有限公司 一种圆块孔式碳化硅换热器
DE102019120096A1 (de) * 2019-07-25 2021-01-28 Kelvion Machine Cooling Systems Gmbh Rohrbündelwärmetauscher
CN110779358B (zh) * 2019-08-19 2022-04-08 四川奥格莱能源科技有限公司 一种内置管式热交换器装卸式防护装置
CN111678363A (zh) * 2020-07-10 2020-09-18 贵州兰鑫石墨机电设备制造有限公司 一种单板双封结构的双管板碳化硅换热器

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GB273605A (en) * 1926-02-12 1927-07-12 Thornycroft John I & Co Ltd Improvements in or relating to steam condensers
FR650058A (fr) * 1928-02-09 1929-01-04 Delas Condenseurs Dispositif pour éviter les mélanges de fluides dans les échangeurs thermiques à faisceau tubulaire
GB311245A (en) * 1928-05-07 1930-01-02 Egidio Torre Improvements in surface condensers
GB618236A (en) † 1943-06-15 1949-02-18 James Clarence Hobbs Improvements in or relating to pressure sealing joint for pipes
CH425850A (de) * 1964-11-24 1966-12-15 Schneider Fritz Ing Dr Röhrenwärmeaustauschapparat
DE2326365A1 (de) * 1973-05-23 1974-12-19 Qvf Glastech Gmbh Roehrenwaermeaustauscher mit doppelten rohrboeden
US3923314A (en) * 1973-12-06 1975-12-02 Carborundum Co Non-rigid seal for joining silicon carbide tubes and tube sheets in heat exchangers
US4930568A (en) † 1989-05-17 1990-06-05 L And M Radiator, Inc. Heat exchanger
US5323849A (en) * 1993-04-21 1994-06-28 The United States Of America As Represented By The Secretary Of The Navy Corrosion resistant shell and tube heat exchanger and a method of repairing the same
US5515914A (en) * 1994-04-29 1996-05-14 Saint Gobain/Norton Industrial Ceramics Corp. Ceramic heat exchanger design
US5630470A (en) * 1995-04-14 1997-05-20 Sonic Environmental Systems, Inc. Ceramic heat exchanger system
DE19610501A1 (de) * 1996-03-18 1997-09-25 Siegfried Otte Verfahrenstechnische Einrichtung mit perforiertem emaillierten Aufnahmeteil
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Also Published As

Publication number Publication date
EP1422488A2 (fr) 2004-05-26
ITMI20022449A1 (it) 2004-05-20
EP2685201A2 (fr) 2014-01-15
EP1422488B1 (fr) 2014-02-26
EP1422488A3 (fr) 2011-12-14
ES2835223T3 (es) 2021-06-22
EP2685201A3 (fr) 2014-02-26
EP1422488B2 (fr) 2017-01-25

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