CHEMICAL CLEANING OF SHIP'S BOILERS

Although chemical cleaning cannot replace all mechanical cleaning, it is cheaper and faster, and can be carried out with a considerable degree of safety. Fouling can be removed with minimum dismantling and solvents will reach places impossible to reach mechanically. Pre-commission and in-service cleaning are discussed. Marine boilers can become fouled from salt-water contamination, oil, or carbonaceous deposits. The layer of inert mangnetite will gradually thicken and interfere with the heat flow. Copper is carried into the boiler by the feed water from corrosion in other parts of the system. The losses due to fouling are detailed, and a table is given of some typical types of boiler scale and their thermal conductivities. Fireside fouling due to inevitable contaminants in the fuel can lead to persistent and stubborn deposits. The times at which cleaning should be carried out are outlined and supervision and control of the chemical cleaning process is discussed. Details are given of a complete acid cleaning programmes. Order from BSRA as No. 49,961.

  • Corporate Authors:

    Intec Press Limited

    3 Station Parade
    Whyteleafe, Surrey,   England 
  • Publication Date: 1978-9

Media Info

  • Features: References;
  • Pagination: p. 19
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00194250
  • Record Type: Publication
  • Source Agency: British Ship Research Association
  • Files: TRIS
  • Created Date: Jun 13 1979 12:00AM