O-503 木質バイオマスガス化発電システムの開発(セッション5:技術4:ガス化,研究発表,(口頭発表))

概要

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As biomass utilization has the problems of collection and transportation, a small-scale dispersed power source should be required. Biomass gasification Combined Heat and Power (CHP) system is one of the most effective solutions because of its high conversion efficiency. However, gasification system almost has not been put to practical use. One of the causes is separation of gasification and engine technologies. Yanmar has developed not only gas engine CHP, but also gasification system. CHP installed dual fuel engine can use producer gas between 0 and 90% of its power output. Dual fuel engine can stably run low calorific producer gas because of its high ignition energy by diesel fuel injection. Originally designed open top downdraft gasifier can achieve uniform temperature and produce low tar gas without ash melting. In fact the combination system of this gasifier and dual fuel engine CHP has achieved about 4000 hr as commercial use at Kurotaki Spa in Oshu city. This paper shows the performance of this biomass gasification CHP system in the field test.
2012-01-18