To combat the increasing number of steam to Diesel conversions that are taking place in the effort to reduce fuel costs, the turbine manufacturers, principally Stal-Laval, have put forward interesting arguments in favour of updating existing steam plant. The new Stal-Laval VAP plant obtains a high thermal efficiency of 37.5% by combining conventional oil-fired radiant marine boilers with fluidised-bed final superheater and reheater, which allows the high steam temperature of 600 deg C to be obtained without the high-temperature corrosion problems often experienced in conventional boilers at this temperature level. The steam is used in a three-cylinder turbine, the HP and IP turbine being of new design and the LP turbine closely resembling the existing AP series. For a new building, the complete VAP plant enables the owner to take advantage of the latest techniques in turbine design, and the layout is such that the plant can be fitted very far aft in a fine-line vessel owing to the narrow layout of the principal turbine module. Order from BSRA as No. 53,442.

  • Publication Date: 1980-4

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Filing Info

  • Accession Number: 00316628
  • Record Type: Publication
  • Source Agency: British Ship Research Association
  • Files: TRIS
  • Created Date: Oct 8 1980 12:00AM