In order to reduce the fuel cost of operating ships, China Changhang Chongqing Company actively explored new methods and new ways of energy saving and emission reduction, and proposed the idea of ​​reducing the fuel cost by using a diesel engine with a power of 400 KW as the main engine and a full-burning 1000-second heavy fuel. Formally established in the year.
The project team together with Chongqing Weichai Engine Factory has carried out more than 10 bench tests on the small power heavy oil machine. After loading, the small power heavy oil machine was operated for 1000 hours, 2000 hours, 3000 hours and 5000 hours. Track the disassembly. The research team optimized the low-power heavy oil machine with 1000 hours of heavy fuel as the fuel system of the ship's main engine, and formulated a 1000-second heavy fuel supporting technology management system to assist the diesel engine plant to continuously improve the small power heavy oil machine. Improvement, after more than three years of efforts, solved the problem of partial accumulation of carbon deposits in the cylinder head of small power heavy oil machine, oil leakage of fuel delivery pump, poor exhaust smoke color in low working conditions, poor wear resistance of piston head, etc. The reliable application of low-power heavy oil machine in real ships. At the same time, the transformation of the low-power heavy oil machine from the non-cooling nozzle from the full-burning 1000-second heavy fuel to the full-burning 1500-second heavy fuel has been further realized, which has further improved the technical level and economic benefits of the project.
The Chongqing company applied the research results of the project on nine 200-bin container ships. Statistics show that the above nine ships have consumed a total of 11,878 tons of fuel from October 2004 to January 2008, of which 6026 tons of heavy fuel oil and 6013 tons of heavy fuel oil of 1500 seconds were used instead of 0# diesel. Compared with the 0# diesel oil, the fuel price difference is 15 million yuan.
The success of the project has played a powerful role in promoting energy conservation and emission reduction, opening up a precedent for the development of the shipping company's joint diesel engine plant to meet the needs of users. In recent years, many shipping companies in Chongqing have adopted the research results of this project. At present, more than 30 new ships have adopted the low-power heavy oil machine to burn 1000 seconds of heavy fuel technology. In addition, the research group to assist the development of diesel engine plant can burn the whole CW6200ZC-12 heavy machine 1000 seconds of heavy fuel oil by the Chongqing Municipal Science and Technology Commission identified and agreed Chongqing "Key New Product", with this type of machine-based diesel engine plant to achieve a low-power heavy oil product series, currently available in volume domestic and foreign markets.
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