HRP20110174T1 - Postupak proizvodnje i montaže spiralnih cijevi pregrijača parogeneratora - Google Patents

Postupak proizvodnje i montaže spiralnih cijevi pregrijača parogeneratora Download PDF

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Publication number
HRP20110174T1
HRP20110174T1 HR20110174T HRP20110174T HRP20110174T1 HR P20110174 T1 HRP20110174 T1 HR P20110174T1 HR 20110174 T HR20110174 T HR 20110174T HR P20110174 T HRP20110174 T HR P20110174T HR P20110174 T1 HRP20110174 T1 HR P20110174T1
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Croatia
Prior art keywords
pipes
pipe elements
connecting pipes
elements
fact
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HR20110174T
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English (en)
Inventor
Hartwig Ruben
Helmrich Andreas
Mutter Daniel
Schalk Alois
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Alstom Technology Ltd
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Publication of HRP20110174T1 publication Critical patent/HRP20110174T1/hr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033—Ni as the principal constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
    • F22G7/12—Steam superheaters characterised by location, arrangement, or disposition in flues
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
    • F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
    • 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
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/087—Heat exchange elements made from metals or metal alloys from nickel or nickel alloys
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/14—Heat exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B23K2103/26—Alloys of Nickel and Cobalt and Chromium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • General Induction Heating (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

Postupak proizvodnje spiralnih cijevi pregrijača i njihovih spojnih cijevi, kao i postupak njihove montaže unutar cijevnih stijena parogeneratora (6), gdje se spiralne cijevi (1) sastoje barem od ravnih elemenata cijevi (2) i savijenih elemenata cijevi (3), dok su spojne cijevi (4) izvedene barem sa po jednom čahurom (5) na vanjskoj strani spojne cijevi, gdje postupak proizvodnje obuhvaća slijedeće radne operacije, a) Tvornička priprema ravnih cijevi (2), cijevi predviđenih za savijanje (3) i cijevi predviđenih za spojne cijevi (4), izrađenih od legura nikla zakaljenih disperzijskim kaljenjem i u difuzijski odžarenom stanju, kao i čahura (5) izrađenih od materijala koji se toplinske ne obrađuje, b) Tvornička izrada savijenih elemenata cijevi (3) i spojnih cijevi (4) pomoću alata za savijanje, c) Tvorničko disperzijsko kaljenje ravnih elemenata cijevi (2), savijenih elemenata cijevi (3) i spojnih cijevi (4), u prvom grijaču, d) Tvornička izrada pojedinačnih spiralnih cijevi (1), spajanjem ravnih elemenata cijevi (2) i savijenih elemenata cijevi (3) pomoću zavarenih šavova (9), kao i spajanje čahura (5) sa spojnim cijevima (4) u području prolaza (8) spojnih cijevi (4) kroz cijevnu stijenu parogeneratora (6), pomoću zavarenih šavova (10), e) Tvorničko disperzijsko kaljenje zavarenih šavova (9, 10) između ravnih elemenata cijevi (2) i savijenih elemenata cijevi (3), kao i između čahura (5) i spojnih cijevi (4), pomoću lokalno na zavarenim šavovima (9, 10) postavljenog drugog grijača (14), f) Montažno spajanje spiralnih cijevi (1) sa spojnim cijevima (4) pomoću zavarenog šava (11), unutar cijevne stijene parogeneratora (6), kao i spajanje čahura (5) s prihvatnim elementima (7, 15) od materijala koji se toplinski ne obrađuju, pomoću zavarenog šava (12), izvedenim u cijevnim stijenama (6) parogeneratora, ig) Montažno disperzijsko kaljenje zavarenih šavova (11), pomoću drugog grijača lokalno postavljenog na zavarene šavove (11). Patent sadrži još 9 patentnih zahtjeva.

Claims (10)

1. Postupak proizvodnje spiralnih cijevi pregrijača i njihovih spojnih cijevi, kao i postupak njihove montaže unutar cijevnih stijena parogeneratora (6), gdje se spiralne cijevi (1) sastoje barem od ravnih elemenata cijevi (2) i savijenih elemenata cijevi (3), dok su spojne cijevi (4) izvedene barem sa po jednom čahurom (5) na vanjskoj strani spojne cijevi, gdje postupak proizvodnje obuhvaća slijedeće radne operacije, a) Tvornička priprema ravnih cijevi (2), cijevi predviđenih za savijanje (3) i cijevi predviđenih za spojne cijevi (4), izrađenih od legura nikla zakaljenih disperzijskim kaljenjem i u difuzijski odžarenom stanju, kao i čahura (5) izrađenih od materijala koji se toplinske ne obrađuje, b) Tvornička izrada savijenih elemenata cijevi (3) i spojnih cijevi (4) pomoću alata za savijanje, c) Tvorničko disperzijsko kaljenje ravnih elemenata cijevi (2), savijenih elemenata cijevi (3) i spojnih cijevi (4), u prvom grijaču, d) Tvornička izrada poječnih spiralnih cijevi (1), spajanjem ravnih elemenata cijevi (2) i savijenih elemenata cijevi (3) pomoću zavarenih šavova (9), kao i spajanje čahura (5) sa spojnim cijevima (4) u području prolaza (8) spojnih cijevi (4) kroz cijevnu stijenu parogeneratora (6), pomoću zavarenih šavova (10), e) Tvorničko disperzijsko kaljenje zavarenih šavova (9, 10) između ravnih elemenata cijevi (2) i savijenih elemenata cijevi (3), kao i između čahura (5) i spojnih cijevi (4), pomoću lokalno na zavarenim šavovima (9, 10) postavljenog drugog grijača (14), f) Montažno spajanje spiralnih cijevi (1) sa spojnim cijevima (4) pomoću zavarenog šava (11), unutar cijevne stijene parogeneratora (6), kao i spajanje čahura (5) s prihvatnim elementima (7, 15) od materijala koji se toplinski ne obrađuju, pomoću zavarenog šava (12), izvedenim u cijevnim stijenama (6) parogeneratora, i g) Montažno disperzijsko kaljenje zavarenih šavova (11), pomoću drugog grijača lokalno postavljenog na zavarene šavove (11).
2. Postupak prema Zahtjevu 1, karakteriziran time da su savijeni elementi cijevi (3) i savijene spojne cijevi (4), nakon njihove izrade, a prije izrade poječnih spiralnih cijevi (1), tvornički difuzijski odžareni u trećem grijaču.
3. Postupak prema Zahtjevu 1 ili 2, karakteriziran time da je dodatno uz izradu poječnih spiralnih cijevi (1) prema tehnološkoj operaciji c), krajnja gornja i krajnja donja ravna cijev (2) spiralne cijevi (1) izvedene s oblogom (13).
4. Postupak prema Zahtjevu 1, karakteriziran time da se disperzijsko kaljenje izvodi pri temperaturi od 785 do 815°C i da traje dulje od 4 sata.
5. Postupak prema Zahtjevu 2, karakteriziran time da se difuzijsko žarenje izvodi pri temperaturi od 1105 do 1135°C i da traje nekoliko minuta.
6. Postupak prema Zahtjevu 1, karakteriziran time da se kao prihvatni element priprema čahura (7) ili lim za ispunu (15).
7. Postupak prema Zahtjevu 1, karakteriziran time da se za zavarivanje predviđenih ravnih elemenata cijevi (2), savijenih elemenata cijevi (3) i spojnih cijevi, izrađenih od disperzijski zakaljenih legura nikla, koristi istorodni dodatni materijal za zavarivanje.
8. Postupak prema Zahtjevu 1, karakteriziran time da se za zavarivanje predviđenih čahura (2) i prihvatnih elemenata (7, 15), izrađenih od materijala koji se toplinski ne obrađuju, koristi istorodni dodatni materijal za zavarivanje.
9. Postupak prema Zahtjevu 1, karakteriziran time da se za zavarivanje predviđenih spojnih cijevi (4) izrađenih od disperzijski zakaljenih legura nikla, sa čahurama izrađenim od materijala koji se toplinski ne obrađuje, koristi dodatni materijal za zavarivanje koji se toplinski ne obrađuje.
10. Postupak prema Zahtjevu 1, karakteriziran time da se ravni elementi cijevi (2), savijeni elementi cijevi (3) i spojne cijevi (4) koje se pomoću sučeono zavarenih šavova (9, 11) spajaju po obodu sučeono zavarenih šavova (9, 11), tijekom zavarivanja ohlađuju pomoću rashladnih elemenata.
HR20110174T 2008-09-16 2011-03-11 Postupak proizvodnje i montaže spiralnih cijevi pregrijača parogeneratora HRP20110174T1 (hr)

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Application Number Priority Date Filing Date Title
DE102008047330A DE102008047330B3 (de) 2008-09-16 2008-09-16 Verfahren zur Herstellung und Montage von Überhitzer-Rohrschlangen von Dampferzeugern

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US (1) US9427792B2 (hr)
EP (1) EP2163327B1 (hr)
CN (1) CN101676065B (hr)
AT (1) ATE495835T1 (hr)
DE (2) DE102008047330B3 (hr)
DK (1) DK2163327T3 (hr)
ES (1) ES2358567T3 (hr)
HR (1) HRP20110174T1 (hr)
PL (1) PL2163327T3 (hr)

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Publication number Publication date
EP2163327B1 (de) 2011-01-19
PL2163327T3 (pl) 2011-09-30
CN101676065A (zh) 2010-03-24
ES2358567T3 (es) 2011-05-11
DE502009000318D1 (de) 2011-03-03
ATE495835T1 (de) 2011-02-15
DK2163327T3 (da) 2011-05-16
EP2163327A3 (de) 2010-03-31
CN101676065B (zh) 2015-02-25
US9427792B2 (en) 2016-08-30
DE102008047330B3 (de) 2009-07-23
US20100065159A1 (en) 2010-03-18
EP2163327A2 (de) 2010-03-17

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