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TECHNOLOGY REVIEW - Camelot Technologies Group

TECHNOLOGY REVIEW - Camelot Technologies Group

The passenger ferry

The passenger ferry Finnmarken is equipped with two Wärtsilä 9L32 main engines and two Wärtsilä 6L32 auxiliary engines. The combined heat and power plant ItalGreen is equipped with three Wärtsilä 18V32 engines running on liquid biofuel. The oil power plant Yue Yuen is equipped with twelve Wärtsilä 18V32LN and three Wärtsilä 18V32 engines. The submersible heavy load ship Blue Marlin is equipped with three Wärtsilä 8L32 engines. DESIGN PHILOSOPHY The WÄRTSILÄ ® 32 is based on the latest achievements in combustion technology; it is designed for flexible manufacturing methods and long maintenance-free operating periods. The engine is fully equipped with all essential ancillaries and a thoroughly planned interface to the plant or ship control system. 4

Wärtsilä 20V32 engine. EFFICIENT LOW-EMISSION COMBUSTION Hydrocarbons can be burned under a wide range of conditions. Today, also CO 2 emissions are much in focus due to the climate change issues and hence it is essential to try to optimize the fuel oil consumption concurrently with other emission reduction targets. Wärtsilä has developed the Low NO X combustion concept since 1994 and raised the fuel efficiency of the diesel engines substantially without a simultaneous NO X -emission increase. The Low NO X combustion concept has been enhanced on the Wärtsilä 32 engine type to meet not the only the current IMO limits and World Bank Guidelines, but even lower NOx emission limits such as the predicted next IMO limit and special requirements for countries such as India. The 32-engine can be optimized for minimum fuel consumption or for lower NO X -emissions such as 710 ppm-v (15 % O 2 ) with an associated fuel penalty. DEVELOPMENT OF ENGINE PERFORMANCE 0 1200 -2 World Bank / IMO limit 1000 The main qualities of the Wärtsilä 32 are: -4 New Asian limit 800 • • • • • Low-NO X combustion Reliability and low maintenance costs Integrated monitoring and control or basic automation system Ergonomic interface Minimized consumables. SFOC (g/kWh) -6 -8 -10 -12 Wärtsilä Vasa 32 Wärtsilä 32 Wärtsilä 32 economy optimized NOX SFOC Wärtsilä 32 emission optimized 600 400 200 0 NOX Performance values for LFO 5

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