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Recently, the world's first 7RTfLex58TB electronically controlled large-scale low-speed marine diesel engine, which was produced by Dalian Marine Diesel Engine Factory and patented by Wartsila Switzerland, passed the technical appraisal of municipal new products commissioned by Dalian Economic Commission.
According to reports, the product is the main engine for the 110,000-ton large crude oil wheel of Dalian Shipbuilding Heavy Industry. After more than one year of navigation, it fully meets the ship's requirements for the main engine. Its main features are: the electronically controlled common rail system of this type of machine changes the traditional design structure, eliminating the need for fuel pump, camshaft and its transmission gear device; the main function of the diesel engine is controlled and regulated by the electronic computer through the liquid-electric servo device. The drive is realized; the electronically controlled common rail system of the diesel engine has good reliability, convenient handling performance, low cylinder oil consumption rate, fuel consumption rate and emission control index, and stable operation target of low speed.
The electronically controlled marine diesel engine is one of the most advanced, widely used and popular models in the world. The successful development of this type of machine is of great significance to improving the level of major equipment manufacturing technology of China's ship mainframe and enhancing the competitiveness of the international market.