NOVELTY - The biomass carbonization apparatus (10) has a biomass filling moving bed (P) which is formed in a vertical carbonization furnace (11) from which biomass is supplied. A hot gas is supplied from the lower portion of carbonization furnace. The carbonization furnace is configured to make the biomass to contact hot gas and thermally decomposes biomass for generating carbide. The liquid supply unit is arranged to supply liquid to the upper portion in carbonization furnace and to make space of upper portion with wet atmosphere.    USE - Apparatus for carbonizing biomass such as plant-derived biomass. Uses include but are not limited to forestry type plant-derived biomass such as wood chip, lumber waste material, coppiced timber and paper manufacture waste material, agricultural-type plant-derived biomass such as rice straw, straw, sugarcane rice bran, rice bran, grass and tree and coconut-oil outlet residue and waste material-type plant-derived biomass such as organic refuse, garden tree, construction waste material and sewage sludge.    ADVANTAGE - The liquid supply unit supplies liquid to the upper portion in carbonization furnace and makes space of upper portion with wet atmosphere, so that the scattering of biomass powder is suppressed and the carbide can be obtained with high yield. The biomass powder which is dispersed and contained in waste gas is recovered and is converted into carbide with the recovered tar, so that the carbide from biomass can be obtained at high yield. Since biomass powder contained in waste gas is lessened, the occlusion of pipe interior can be prevented.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for biomass carbonization method.    DESCRIPTION OF DRAWING(S) - The drawing shows a block diagram of biomass carbonization apparatus. (Drawing includes non-English language text)    Biomass carbonization apparatus (10)    Vertical carbonization furnace (11)    Tail gas scrubber (12)    Separation apparatus (14)    Filling moving bed (P)