NOVELTY - Biomass gasification furnace comprises a stove head (1), a furnace cover (3), a furnace wall (16), a furnace liner (4) and a raw material lifting device. The furnace cover is provided with the stove head and the furnace liner. The furnace liner is provided with a combustion cover (2). The top of the furnace wall opens with an air inlet hole which is externally provided with a hot air cover. The central position of the furnace wall is provided with the furnace liner which is concentric with the furnace wall and is connected with the furnace wall bottom.    USE - The gasification furnace is useful for firewood gasification.    ADVANTAGE - The gasification furnace ensures strong heat without smoke, dust and odor when adopted for combustion. The gasified product (charcoal) can be re-burnt, hence it is highly efficient and saves energy.    DETAILED DESCRIPTION - Biomass gasification furnace comprises a stove head (1), a furnace cover (3), a furnace wall (16), a furnace liner (4) and a raw material lifting device. The furnace cover is provided with the stove head and the furnace liner. The furnace liner is provided with a combustion cover (2). The top of the furnace wall opens with an air inlet hole which is externally provided with a hot air cover. The central position of the furnace wall is provided with the furnace liner which is concentric with the furnace wall and is connected with the furnace wall bottom. The furnace liner is distributed with many heat conductive sheets, which are radially connected with the liner. The middle of the furnace liner opens with an annular gas outlet equipped with a furnace bridge. The bottom of the furnace liner is equipped with an air door. The furnace bridge of the furnace liner is a combustion chamber. The upper part of the furnace liner outside the furnace wall is a bearing chamber; the middle part is a gasification chamber; and the lower part is a material storing chamber. The raw material lifting device comprises a disc-shaped supporting disc, a pallet connecting rod, a pallet lever and a circlip. The supporting disc is located in the material storing chamber. The supporting disc opens into a gap corresponding to the heat conducting sheets to facilitate passing of the conducting sheets. The supporting disc moves the storing chamber up and down. The supporting disc on its two sides is provided with the connecting rod which passes through the furnace wall and connected with the pallet lever. A contact part of the pallet lever and the furnace wall opens into a vertical gap to ensure up and down movement of the pallet lever. The pallet lever is sleeved with a sleeve connected with the furnace wall. The bottom of the sleeve is closed, and its upper end is equipped with the circlip. The pallet lever is provided with multiple equidistant teeth for positioning the circlip.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the biomass gasification furnace.    Stove head (1)    Combustion cover (2)    Furnace cover (3)    Furnace liner (4)    Furnace wall (16)