Developments in Dual-fired Steam-raising Plant for LNG Carriers (eBook)

Published Date

January 1975

Developments in Dual-fired Steam-raising Plant for LNG Carriers (eBook)

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This paper describes the design and development of specialised LNG boiler plant from the first in 1961 to the present time (1975) (17pp)

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In 1961 Foster Wheeler was approached to prepare a design of boiler for a steam powered LNG carrier. The boiler was to be capable of operating at full output when burning normal heavy fuel oil but also to be capable of burning any gas that evaporated from the cargo tanks.The boiler size and layout had to fit the current marine practice.

At that time, experience with burning natural gas was available on land installations but the boiler size for a given output was considerably greater on land plant and separate combustion equipment for different fuels was provided on land installations. For the marine application it was essential that both fuels should be able to be fired simultaneously as the quantity of boil-off gas would vary with ambient temperatures, sea and weather conditions and the amount of cargo in the tanks. The actual composition of the boil-off gas varies with length of time of the voyage and can include significant quantities of nitrogen. The first marine boilers burning natural gas entered service in 1964, the resulting performance was entirely satisfactory and in the intervening years there have been orders for a further 55 LNG carriers. The author's company or their associates have been awarded contracts to design the boilers for 50 of these, therefore, it is possible to trace the design and development of this specialised boiler plant up to the present time.

Paper Delivered by:
R Hillis (Foster Wheeler Power Products Ltd, London)

Prepared for:
Gastech Paris 1975

For over 45 years, the Gastech Exhibition & Conference has been at the forefront of the international gas and LNG market. This world-renowned event is regarded as the most significant meeting place for gas and LNG professionals, where the global industry gathers to do business.

Gastech hosts major IOCs, NOC’s, global utility companies, EPC contractors, shipbuilders, pipeline companies, manufacturers, distributors, technology and service providers, all who play an active role in the global energy value chain.

Title: Developments in Dual-fired Steam-raising Plant for LNG Carriers (eBook)
Product Code: 4433g047
Published Date: January 1975

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