【作者】

Naohiro Hiraoka，Katsumi Imanaka

【摘要】

论文已在中国上海举行的2013年CIMAC大会上发表。论文的版权归CIMAC所有。This paper shows our approach and perspective to exhaust emission control of Mitsubishi UE low speed 2-stroke diesel engine for marine propulsion. Regulations for the emission from marine diesel engines are tightened still further. IMO Tier3 regulation requires nitrogen oxides to be reduced approx. 76% than Tier2 by 2016. Sulfur oxides are required the phased reduction of sulfur content in fuel. Carbon dioxide will also be introduced the new regulation. For IMO Tier3 regulation, we have developed SCR (Selected Catalytic Reduction) and EGR(Exhaust Gas Re-circulation) system. Both SCR and EGR are confirmed the performance of complying with IMO Tier3 regulation, especially SCR had experienced full-scale onboard test and a good result. EGR is a compact system and has a limited effect for engine room layout. For sulfur oxides, reduction of sulfur content in fuel might be well received and suitable for SCR and EGR system because of low sulfuric oxides. Because fuel oil price is rising very rapid recently, LNG is strongly concerned as fuel use for various types of commercial ship, so we are developing Dual-Fuel engine based UE Eco-engine. LNG fuel engine meets demand for carbon dioxide reduction. These above technologies should be validated and researched in detail performance, we have introduced state-of-the-art test engine in our Workshop.

【会议名称】

第27届CIMAC会议

【会议地点】

上海

【下载次数】

1

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