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Life extension of boilers using weld overlay protection

Abstract

The presentation describes the status of modern weld overlay technology for refurbishment, upgrading and life extension of boilers. The approaches to life extension of boilers include field overlay application, shop-fabricated panels for replacement of the worn, corroded waterwall and shop-fabricated overlay tubing for replacement of individual tubes in superheaters, generating banks and other areas. The characteristics of weld overlay products are briefly described. Also discussed are successful applications of various corrosion-resistant overlays for life extension of boiler tubes in waste-to-energy boilers, coal-fired boilers and chemical recovery boilers. Types of corrosion and selection of weld overlay alloys in these systems are also discussed. (orig.) 14 refs.
Authors:
Lai, G; Hulsizer, P; [1]  Brooks, R [2] 
  1. Welding Services Inc., Norcross, GA (United States)
  2. Welding Services Inc., Welding Services Europe, Spijkenisse (Netherlands)
Publication Date:
Dec 31, 1998
Product Type:
Conference
Report Number:
VTT-SYMP-184(v.1); CONF-980999-
Reference Number:
SCA: 200104; 360105; PA: FI-99:003063; EDB-99:034976; SN: 99002064677
Resource Relation:
Conference: 4. Baltica seminar on plant maintenance for managing life and performance, Helsinki (Finland), 7-9 Sep 1998; Other Information: PBD: 1998; Related Information: Is Part Of BALTICA IV. Plant maintenance for managing life and performance; Hietanen, S.; Auerkari, P. [eds.] [VTT Manufacturing Technology, Espoo (Finland). Operational Reliability]; PB: 332 p.
Subject:
20 FOSSIL-FUELED POWER PLANTS; 36 MATERIALS SCIENCE; BOILERS; TUBES; SUPERHEATERS; SERVICE LIFE; INCONEL 625; STAINLESS STEEL-309; EROSION; CORROSION PROTECTION; PROTECTIVE COATINGS; WELDED JOINTS
OSTI ID:
324972
Research Organizations:
Technical Research Centre of Finland, Espoo (Finland)
Country of Origin:
Finland
Language:
English
Other Identifying Numbers:
Other: ON: DE99730862; ISBN 951-38-4577-X; TRN: FI9903063
Availability:
OSTI as DE99730862
Submitting Site:
FI
Size:
pp. 319-330
Announcement Date:
Apr 05, 1999

Citation Formats

Lai, G, Hulsizer, P, and Brooks, R. Life extension of boilers using weld overlay protection. Finland: N. p., 1998. Web.
Lai, G, Hulsizer, P, & Brooks, R. Life extension of boilers using weld overlay protection. Finland.
Lai, G, Hulsizer, P, and Brooks, R. 1998. "Life extension of boilers using weld overlay protection." Finland.
@misc{etde_324972,
title = {Life extension of boilers using weld overlay protection}
author = {Lai, G, Hulsizer, P, and Brooks, R}
abstractNote = {The presentation describes the status of modern weld overlay technology for refurbishment, upgrading and life extension of boilers. The approaches to life extension of boilers include field overlay application, shop-fabricated panels for replacement of the worn, corroded waterwall and shop-fabricated overlay tubing for replacement of individual tubes in superheaters, generating banks and other areas. The characteristics of weld overlay products are briefly described. Also discussed are successful applications of various corrosion-resistant overlays for life extension of boiler tubes in waste-to-energy boilers, coal-fired boilers and chemical recovery boilers. Types of corrosion and selection of weld overlay alloys in these systems are also discussed. (orig.) 14 refs.}
place = {Finland}
year = {1998}
month = {Dec}
}