EP0364920B1 - Vorrichtung zur Aufhängung von horizontalen Warmeaustauscherrohren an ein vertikales Trägerrohr und Verfahren zur Herstellung - Google Patents

Vorrichtung zur Aufhängung von horizontalen Warmeaustauscherrohren an ein vertikales Trägerrohr und Verfahren zur Herstellung Download PDF

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Publication number
EP0364920B1
EP0364920B1 EP89119163A EP89119163A EP0364920B1 EP 0364920 B1 EP0364920 B1 EP 0364920B1 EP 89119163 A EP89119163 A EP 89119163A EP 89119163 A EP89119163 A EP 89119163A EP 0364920 B1 EP0364920 B1 EP 0364920B1
Authority
EP
European Patent Office
Prior art keywords
shells
tubes
edge
support sleeve
horizontal
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
EP89119163A
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English (en)
French (fr)
Other versions
EP0364920A1 (de
Inventor
Jean Fournier
Gilbert Delsol
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.)
Stein Industrie SA
Original Assignee
Stein Industrie SA
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
Application filed by Stein Industrie SA filed Critical Stein Industrie SA
Priority to AT89119163T priority Critical patent/ATE75845T1/de
Publication of EP0364920A1 publication Critical patent/EP0364920A1/de
Application granted granted Critical
Publication of EP0364920B1 publication Critical patent/EP0364920B1/de
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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • 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
    • Y10T29/49387—Boiler making

Definitions

  • the present invention relates to a device for suspending horizontal heat exchange tubes on a vertical support tube, and its manufacturing method.
  • the Applicant has already proposed in its patents FR-A-2555722 or US-A-4706614 a device for suspending a bundle of horizontal tubes in a vertical plane, comprising pairs of vertical tubes provided on their sides facing half -foils in profile comprising notches of circular shape, with a radius slightly greater than that of the tubes of the bundle, and of spacing equal to that of these tubes, separated by tongues of sufficiently large width to ensure good support for the tubes of the beam, but sufficiently weak to ensure good thermal conduction from their edge to their zone of welding to the corresponding vertical tube.
  • the horizontal tubes are not connected to the vertical support tubes by any weld and have a certain freedom of movement relative to the fins.
  • the horizontal tubes can be damaged in the long term by impacts with the fins. This leads to wear and ultimately drilling of these tubes, especially when they are immersed in an abrasive medium, comprising for example ashes or a fluidized bed.
  • the Applicant has also proposed in document FR-A-2622963 a device for suspending in a vertical plane a panel of horizontal hairpin tubes, using vertical tubes suspended from a rigid structure traversed by a more fluid as cold as that in which the panel is immersed, arranged in a vertical plane close to that of the panel and secured to the horizontal sections of the hairpin tubes by connecting pieces welded on the one hand to a horizontal section of tube, d on the other hand on a vertical tube, along generators of these tubes.
  • the connection between horizontal tubes and vertical tubes then being rigid, the vibrations to which the tubes may be subjected risk in the long run destroying the weld beads and consequently causing deterioration and possibly drilling of the tubes.
  • the object of the present invention is to provide a device for suspending horizontal heat exchange tubes on a vertical support tube, which avoids the possibility of vibrations of large amplitude for the horizontal tubes, but does not bind the horizontal and vertical tubes of rigidly by weld seams liable to break over time.
  • the device of the invention is characterized in that it comprises a lower support sleeve welded by its lower edge to the support tube around the latter, an upper support sleeve resting by its lower edge on the upper edge of the sleeve lower support, this upper support sleeve being provided laterally with two half-shells with a radius of curvature slightly greater than that of the horizontal tubes, and with added half-shells, with a radius of curvature slightly greater than that of the horizontal tubes, welded edge on board on the half-shells integral with the upper sleeve, so as to form collars enclosing the horizontal exchange tubes on each side of the vertical support tube.
  • one or the other of the facing half-shells carried by the upper or added sleeve, has thin flanges which engage under a thicker, more external flange of the other half-shell, and the weld bead is produced between this thicker outer rim and the edge of the half-shell facing above its thin rim.
  • FIG. 1 represents the suspension device in elevation, with the horizontal tubes being cut in front of the diametral plane of the vertical tube, along the axis II of FIG. 2.
  • FIG. 2 represents the same device in plan seen from above, with the vertical tube being cut above the plane of the axes of the horizontal tubes, along the axis II-II of FIG. 1.
  • a lower support sleeve 2 is welded to the vertical tube 1 by a weld bead 3 along its lower edge.
  • An upper support sleeve 4 is threaded on the vertical tube and comes to rest by its lower edge on the upper edge of the lower sleeve 2.
  • the upper support sleeve has two wings constituted by half-shells of horizontal axis 5 and 6, of radius of curvature slightly greater than that of the horizontal tubes to be supported.
  • the horizontal tubes 7 and 8 being applied against the half-shells 5 and 6, the added half-shells 9 and 10, with a radius of curvature slightly greater than that of the horizontal tubes, are applied to them without play to come into contact by their upper and lower edges with the corresponding edges of the half-shells linked to the upper support sleeve.
  • the attached half-shells have thin flanges 11, 13 and 12, 14 respectively, which engage under the thicker flanges, 15, 17 and 16, 18 respectively, half-shells 5 and 6 integral with the support sleeve 4.
  • the attached half-shells are then welded to the integral half-shells of the upper support sleeve, between the thick edges of the latter and the edges of the shells added above their thin edges, so that the horizontal tubes are not linked to these weld beads (19, 21 and 20, 22). Removal after welding wedges the horizontal tubes between the half-shells. The latter are therefore strongly maintained by the collars formed by the assembly of the half-shells in the vicinity of the vertical tube, without however being fixed by a weld bead.
  • these tubes When the heat exchange tubes are called to be in contact with corrosive gases at high temperature, these tubes, as well as the support half-shells, will be made of refractory steel with high contents of chromium and nickel.

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)
  • Supports For Pipes And Cables (AREA)

Claims (3)

1. Vorrichtung zum Aufhängen von waagrechten Wärmetauscherrohren (7, 8) an einem senkrechten Tragerohr (1), dadurch gekennzeichnet, daß sie eine untere Trägermuffe (2), die mit ihrem unteren Rand auf das Tragerohr um dieses herum aufgeschweißt ist, und eine obere Trägermuffe (4) aufweist, die mit ihrem unteren Rand auf dem oberen Rand der unteren Trägermuffe (2) ruht, wobei diese obere Trägermuffe (4) seitlich mit zwei Halbschalen (5, 6), deren Krümmungsradius etwas größer ist als der der waagrechten Rohre (7, 8), und mit aufgesetzten Halbschalen (9, 10) versehen ist, deren Krümmungsradius etwas größer als der der waagrechten Rohre (7, 8) ist, die stumpf (19, 21; 20, 22) auf die fest mit der oberen Trägermuffe (4) verbundenen Halbschalen aufgeschweißt sind, um Kragen zu bilden, die die waagrechten Wärmetauscherrohre (7, 8) auf jeder Seite des senkrechten Tragerohrs umschließen.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die eine oder die andere der einander gegenüberliegenden Halbschalen, nämlich die von der oberen Muffe getragene oder die aufgesetzte Halbschale, dünne Ränder (11, 13; 12, 14) aufweist, die sich unter einen weiter außen liegenden dickeren Rand (15, 17; 16, 18) der anderen Halbschale schieben, und daß die Schweißnaht (19, 21; 20, 22) zwischen diesem dickeren weiter außen liegenden Rand und dem Rand der gegenüberliegenden Halbschale oberhalb ihres dünnen Rands durchgeführt wird.
3. Verfahren zur Herstellung einer Aufhängevorrichtung nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, daß man auf das senkrechte Rohr (1) eine untere Trägermuffe (2) entlang ihres unteren Rands aufschweißt, daß man auf das senkrechte Rohr oberhalb der unteren Trägermuffe eine obere Trägermuffe (4) aufschiebt, die mit zwei seitlichen Halbschalen (5, 6) versehen ist, deren Krümmungsradius etwas größer als der der waagrechten Rohre ist, daß man die waagrechten Rohre (7, 8) gegen diese seitlichen Halbschalen anlegt, daß man gegen die waagrechten Rohre gegenüber den seitlichen Halbschalen und stumpf auf diesen aufliegend aufgesetzte Halbschalen (9, 10) anbringt, deren Krümmungsradius etwas größer als der der waagrechten Rohre ist, wodurch die Rohre zwischen diesen Schalen eingeklemmt werden, und daß man die einander gegenüberliegenden Ränder der seitlichen Halbschalen und der aufgesetzten Halbschalen miteinander verschweißt (19, 21; 20, 22).
EP89119163A 1988-10-18 1989-10-16 Vorrichtung zur Aufhängung von horizontalen Warmeaustauscherrohren an ein vertikales Trägerrohr und Verfahren zur Herstellung Expired - Lifetime EP0364920B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89119163T ATE75845T1 (de) 1988-10-18 1989-10-16 Vorrichtung zur aufhaengung von horizontalen warmeaustauscherrohren an ein vertikales traegerrohr und verfahren zur herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8813703 1988-10-18
FR8813703A FR2637970B1 (fr) 1988-10-18 1988-10-18 Dispositif de suspension de tubes horizontaux d'echange de chaleur sur un tube porteur vertical et procede de fabrication de ce dispositif

Publications (2)

Publication Number Publication Date
EP0364920A1 EP0364920A1 (de) 1990-04-25
EP0364920B1 true EP0364920B1 (de) 1992-05-06

Family

ID=9371129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89119163A Expired - Lifetime EP0364920B1 (de) 1988-10-18 1989-10-16 Vorrichtung zur Aufhängung von horizontalen Warmeaustauscherrohren an ein vertikales Trägerrohr und Verfahren zur Herstellung

Country Status (8)

Country Link
US (1) US4944254A (de)
EP (1) EP0364920B1 (de)
JP (1) JP2721015B2 (de)
AT (1) ATE75845T1 (de)
DE (1) DE68901442D1 (de)
ES (1) ES2031334T3 (de)
FR (1) FR2637970B1 (de)
GR (1) GR3005071T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724923A (en) * 1995-05-19 1998-03-10 Saint-Gobain/Norton Industrial Ceramics Corp. Refractory shield design for superheater tubes
FR2741706B1 (fr) * 1995-11-23 1997-12-26 Gec Alsthom Stein Ind Agencement de liaison de deux tubes perpendiculaires en particulier pour echangeur thermique
US6152087A (en) * 1996-12-12 2000-11-28 Ngk Insulators, Ltd. Boiler tube protector and a method for attaching such protector to a boiler tube
US5943985A (en) * 1996-12-23 1999-08-31 Hartman; Ernest L. Welded bracket for supporting superheat and reheat assembly tubing on steam cooled hanger tubes
US6006702A (en) * 1998-06-11 1999-12-28 The Babcock & Wilcox Company Retainer shield for split ring castings
FR2780151B1 (fr) 1998-06-18 2000-08-04 Alsthom Gec Dispositif pour la suspension d'un tube horizontal d'echange de chaleur sur un tube porteur vertical
JP4896638B2 (ja) * 2006-09-06 2012-03-14 大阪瓦斯株式会社 ビルトインタイプの加熱調理器
DE102010011644A1 (de) * 2010-03-16 2011-09-22 Babcock Borsig Service Gmbh Halteelement und Spacerebene eines Rohrbündels
JP2012081475A (ja) * 2010-10-06 2012-04-26 Mitsubishi Heavy Ind Ltd 異材接合構造
DE102016111336A1 (de) * 2016-06-21 2017-12-21 Tenneco Gmbh Gehäuseverbindung
JP7272852B2 (ja) * 2019-04-17 2023-05-12 三菱重工業株式会社 ボイラ装置
EP3963259A1 (de) * 2019-04-30 2022-03-09 CNIM Environnement & Energie EPC Selbsttragendes modul zusammengesetzt um einen wärmetauscher eines kessels mit einem horizontalen kanal und verfahren zum installieren und aufrechterhalten des horizontalen durchgangs eines solchen kessels
FI130834B1 (fi) * 2020-11-06 2024-04-16 Valmet Technologies Oy Tukielementti lämmönvaihdinputkien tukemiseksi

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743474C (de) * 1941-04-24 1943-12-27 Ver Kesselwerke Ag Halterungsvorrichtung fuer liegende UEberhitzer
US3265044A (en) * 1964-04-03 1966-08-09 Combustion Eng Heat exchanger tube support
DE1926614A1 (de) * 1969-05-24 1970-11-26 Daimler Benz Ag Roehrenwaermetauscher
US3896771A (en) * 1974-08-01 1975-07-29 Combustion Eng Spacer and guide assembly for vertical superheater tubes
US4307777A (en) * 1979-11-30 1981-12-29 Combustion Engineering, Inc. Heat exchanger tube support
FR2515331A1 (fr) * 1981-10-23 1983-04-29 Creusot Loire Dispositif de fixation d'un faisceau de tubes notamment pour generateur de vapeur
US4682568A (en) * 1986-06-05 1987-07-28 Norton Company Refractory shield for superheater tubes
US4848452A (en) * 1988-03-28 1989-07-18 The Babcock & Wilcox Company Tube bundle support device

Also Published As

Publication number Publication date
GR3005071T3 (de) 1993-05-24
ATE75845T1 (de) 1992-05-15
JP2721015B2 (ja) 1998-03-04
FR2637970A1 (fr) 1990-04-20
FR2637970B1 (fr) 1990-11-23
EP0364920A1 (de) 1990-04-25
ES2031334T3 (es) 1992-12-01
DE68901442D1 (de) 1992-06-11
JPH02150696A (ja) 1990-06-08
US4944254A (en) 1990-07-31

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