NOVELTY - An energy-saving tubular multi-functional straw shell gasification furnace comprises upper smoke outlet (1), upright energy-saving pipe (2), hearth orifice (3), furnace body (4), hopper (5), speed reducer (6), motor (7), spiral feeder (8), fan (9), one-off wind inlet (10), wind chamber (11), gasification chamber (12), micro-hole grate (13), gasification board (14), hearth (15), transverse energy-saving pipe (16), lower smoke outlet (17), and circulatory water jacket (18).    USE - The energy-saving tubular multi-functional straw shell gasification furnace is used for factory industry and household.    ADVANTAGE - The energy-saving tubular multi-functional straw shell gasification furnace has simple structure, and reasonable design; the furnace is equipped with the upright and transverse energy-saving pipes, and it has good efficiency of protecting environment and saving energy, and the tar is completely burned, one furnace has several functions, so it is easy to spread and apply.    DETAILED DESCRIPTION - An energy-saving tubular multi-functional straw shell gasification furnace comprises upper smoke outlet (1), upright energy-saving pipe (2), hearth orifice (3), furnace body (4), hopper (5), speed reducer (6), motor (7), spiral feeder (8), fan (9), one-off wind inlet (10), wind chamber (11), gasification chamber (12), micro-hole grate (13), gasification board (14), hearth (15), transverse energy-saving pipe (16), lower smoke outlet (17), and circulatory water jacket (18). The furnace body (4) is plate shaped, the furnace body (4) is equipped with several upright energy-saving pipes (2) and several transverse energy-saving pipes (16), the hearth (15) is set at the lower part of the furnace body (4), the rear part in the furnace body (4) is set with the gasification chamber (12), the space of the inner wall of the furnace body (4) and the upper part of the gasification board (14) is the gasification chamber (12), the gasification board (14) is equipped at the rear lower part of the hearth (15).    DESCRIPTION OF DRAWING(S) - The drawing shows the side view of the energy-saving tubular multi-functional straw shell gasification furnace.    Upper smoke outlet (1)    Upright energy-saving pipe (2)    Hearth orifice (3)    Furnace body (4)    Hopper (5)    Speed reducer (6)    Motor (7)