WO2009048346A1 - Procédé de soudure de panneaux de parois compacts dans des systèmes de chaudières industrielles spécifiques - Google Patents

Procédé de soudure de panneaux de parois compacts dans des systèmes de chaudières industrielles spécifiques Download PDF

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Publication number
WO2009048346A1
WO2009048346A1 PCT/PL2008/000072 PL2008000072W WO2009048346A1 WO 2009048346 A1 WO2009048346 A1 WO 2009048346A1 PL 2008000072 W PL2008000072 W PL 2008000072W WO 2009048346 A1 WO2009048346 A1 WO 2009048346A1
Authority
WO
WIPO (PCT)
Prior art keywords
tight wall
welding
industrial boiler
wall panel
panels
Prior art date
Application number
PCT/PL2008/000072
Other languages
English (en)
Inventor
Janusz Adamiec
Original Assignee
Energoinstal S.A.
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
Priority claimed from PL383527A external-priority patent/PL219138B1/pl
Priority claimed from PL383525A external-priority patent/PL383525A1/pl
Priority claimed from PL383526A external-priority patent/PL219126B1/pl
Application filed by Energoinstal S.A. filed Critical Energoinstal S.A.
Publication of WO2009048346A1 publication Critical patent/WO2009048346A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/346—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
    • B23K26/348—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/60—Preliminary treatment

Definitions

  • the subject of the Invention is a method of the tight wall panel welding, in particular the walls industrial boilers used in the power industry.
  • the tight wall panels are welded with employed submerged arc welding method, using two or four head machines.
  • the welding operation is performed under the flux as a double sided welding with welding process rate of ca. 1 m/min.
  • the tight wall panel welding method in particular of the industrial boiler systems for the power industry according to the Invention would involve use of the fibre laser for joining the tight wall panels and use of the laser beam or the laser beam with addend hot or cold wire or a MAG hybrid system beam with the laser beam.
  • the welding is performed as a one-sided butt joint, T type without bevelling with welding speed over 1 m/min while the panels are preheated in temperature of 100-200 0 C.
  • the disclosed method would enable performing of a one-si ⁇ e ⁇ wei ⁇ ing, wi ⁇ n or without additional materials and this would ensure increasing of the welding operation speed to exceed 1m/min, while no interoperation time occur within the welding process.
  • the process results in obtaining of a thorough penetration joint with minimum weld deformation with a limited, narrow heat affected zone occurring at the same time.

Abstract

La présente invention concerne un procédé de soudure de panneaux de parois compacts, destiné en particulier à des panneaux de chaudières industrielles, basé sur l'utilisation du laser à fibre et l'utilisation du faisceau laser avec fil froid ou chaud, ou d'un faisceau de système hybride MAG avec un faisceau laser, pour la jonction de panneaux de parois compacts. Le processus de soudure est exécuté sous forme de soudure bout à bout de type T sans chanfreinage, à une vitesse supérieure à 1 m/min, tandis que les panneaux sont préchauffés à des températures allant de 100 oC à 200 oC.
PCT/PL2008/000072 2007-10-11 2008-10-08 Procédé de soudure de panneaux de parois compacts dans des systèmes de chaudières industrielles spécifiques WO2009048346A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
PL383527A PL219138B1 (pl) 2007-10-11 2007-10-11 Sposób spawania paneli ścian szczelnych zwłaszcza kotłów przemysłowych
PL383525A PL383525A1 (pl) 2007-10-11 2007-10-11 Sposób spawania paneli ścian szczelnych, zwłaszcza kotłów przemysłowych
PLP-383527 2007-10-11
PLP-383526 2007-10-11
PLP-383525 2007-10-11
PL383526A PL219126B1 (pl) 2007-10-11 2007-10-11 Sposób spawania paneli ścian szczelnych zwłaszcza kotłów przemysłowych

Publications (1)

Publication Number Publication Date
WO2009048346A1 true WO2009048346A1 (fr) 2009-04-16

Family

ID=40261814

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PL2008/000072 WO2009048346A1 (fr) 2007-10-11 2008-10-08 Procédé de soudure de panneaux de parois compacts dans des systèmes de chaudières industrielles spécifiques

Country Status (1)

Country Link
WO (1) WO2009048346A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1088827A (en) * 1964-09-18 1967-10-25 Babcock & Wilcox Ltd Improvements in finned tubes especially for heat exchanger tube walls
JPH06297182A (ja) * 1993-04-15 1994-10-25 Nippon Steel Corp 高珪素電磁鋼薄板の溶接方法
DE102004045865A1 (de) * 2004-09-20 2006-03-30 BLZ Bayerisches Laserzentrum Gemeinnützige Forschungsgesellschaft mbH Verfahren zum Tröpfchen-Schweißen zweier Fügepartner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1088827A (en) * 1964-09-18 1967-10-25 Babcock & Wilcox Ltd Improvements in finned tubes especially for heat exchanger tube walls
JPH06297182A (ja) * 1993-04-15 1994-10-25 Nippon Steel Corp 高珪素電磁鋼薄板の溶接方法
DE102004045865A1 (de) * 2004-09-20 2006-03-30 BLZ Bayerisches Laserzentrum Gemeinnützige Forschungsgesellschaft mbH Verfahren zum Tröpfchen-Schweißen zweier Fügepartner

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