THE USE OF INSTRUMENT AIR ON BOARD SHIP
The use of instrument air on ships followed the introduction of the UMS notation for ocean-going vessels. Originally, it was mainly adopted in specialized types such as VLCC and LNG tankers, container ships, and ro-ro-ferries; but it is now being more generally used. The Author, of CompAir Industrial Ltd, describes a system which provides compressed air at 8-11 bar having the properties needed for instrument air. It uses a 100% oil-free compressor with aftercooler, bringing the temperature after compression down to 25-30 degrees C; a mechanical separator to remove most of the moisture from the compressed air; a heatless or heated-type dryer with automatic change-over operation to achieve a dew point at the working pressure of minus 20 to minus 40 degrees C; and a microfilter to remove solid particles of a size greater than about 5 microns.
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Institute of Marine EngineersMemorial Building, 76 Mark Lane
London EC3R 7JN, England
- DeWulff, R
- Publication Date: 1976-10
- Pagination: 1 p.
- Marine Engineers Review
- ISSN: 0047-5955
- Accession Number: 00157845
- Record Type: Publication
- Source Agency: British Ship Research Association
- Files: TRIS
- Created Date: Aug 15 1977 12:00AM