Patent ID: 8100992

Claim:
A biomass gasification apparatus comprising, a high temperature combustion gas generation apparatus for combusting biomass to generate combustion gas, a biomass supply hopper, and a gasification reaction apparatus, wherein the gasification reaction apparatus includes therein a primary gasification reaction room connected to a secondary gasification reaction pipe and to a gasification agent supply line, a heat-resistant partition wall installed between an outer space of the primary gasification reaction room and the secondary gasification reaction pipe, and the primary gasification reaction room is connected to the biomass supply hopper via a biomass supply line, the high temperature combustion gas generation apparatus includes a downward flow-type vertical combustion furnace having a fixed floor, the downward flow-type vertical combustion furnace is equipped with a fire grate in its lower part, and primary air is supplied to an upper part of the fire grate, secondary air is supplied to inside of the metal fire grate, and tertiary air is supplied to the lower part of the fire grate, and the gasification reaction apparatus and the high temperature combustion gas generation apparatus are connected via a combustion gas supply line.