Study of small-scale heat and power generation system using wooden waste biomass
2005
Nakanishi, M.(National Inst. of Advanced Industrial Science and Technology Tsukuba, Ibaraki (Japan)) | Ogi, T.
A small-scale combined heat and power generator, CHP or cogeneration system with gas-engine or micro gas-turbine, which uses gasified wood-biomass and is backed up with the commercial power, is the most probable power-application using wasted bark of about 10 t/day. Locating its gasifier near the lumbermill and the CHP near the customer is the best arrangement in the usual case. Under this arrangement, the gas is transferred from the gasifier to the CHP. When power is supplied to the houses, number of the working generators is adjustable corresponding to the demands because the gas-engine and micro gas-turbine is quickly warm-up and shutdown. Hot water is also deliverable to the houses when the CHP is built near the houses. One generator operated during the working time is the most preferable for a lumbermill. Its power, depending on the transfer efficiency, is estimated to be from 200 to 1,100 kW. Hot water is supplied to a steam boiler as preheat.
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