Combustible material supplying apparatus, combustible material gasifier and combustible material gasification method

The combustible material such as combustible wastes enhanced supply system seal function supplied to the fluidized bed in the furnace, and can stably supply irregular combustible material, a further construction costs such as inexpensive combustible sex material supply device, to provide a combustible material gasification apparatus and combustible material gasification method using the combustible material supplying apparatus. A fluidized bed combustible material supplying apparatus for supplying a combustible material 102 in the fluidized bed 23 of the gasification furnace or combustion furnace 20, the downstream side upward at an angle of 80 degrees or less than 20 degrees relative to the horizontal plane the screw conveyor 10 is inclined so provided, the fluidized medium 101 into the conveyor casing 11 of the screw conveyor 10 to flow and to be filled into the conveyor casing 11.