NOVELTY - A biomass spiral hot-pressing forming machine, comprises a drying primary-extrusion compact unit A, a heating extrusion forming unit B, a cooling treating shape preserving unit C, an automatic slicing unit D and an operation control unit (14).    USE - A biomass spiral hot-pressing forming machine (claimed).    ADVANTAGE - The biomass spiral hot-pressing forming machine solves the problems of breakable shaped block, inadequate combustion, low calorific value and heat efficiency, and difficulty of realizing continuous large-scale industrial production of the present domestic biomass compact forming technique; this invention can meet objective need of developing and using biomass energy and source in large scale, and it has wide market space and development potential.    DETAILED DESCRIPTION - A biomass spiral hot-pressing forming machine, comprises a drying primary-extrusion compact unit A, a heating extrusion forming unit B, a cooling treating shape preserving unit C, an automatic slicing unit D and an operation control unit (14); the drying primary-extrusion compact unit A is connected with the heating extrusion forming unit B are interconnected and it is placed on the heating extrusion forming unit B; the cooling treating shape preserving unit C is at one side of the heating extrusion forming unit B and is connected with the automatic slicing unit D; the operation control unit (14) is used as control system of whole equipment and is electrically connected with the drying primary-extrusion compact unit A, heating extrusion forming unit B, cooling treating shape preserving unit C and automatic slicing unit D.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the biomass spiral hot-pressing forming machine.    Driving wheel (1, 4)    Motor (2, 5)    Feed port (3)    Drying primary-extrusion compact cavity (6)    Transition storage chamber (7)    Variable pitch auger (8)    Adjustable electric heater (9)    Adjustable electric heater (10)    Heating extrusion forming cavity (11)    Variable pitch auger (12)    Connecting flange (13)    Operation control unit (14)    Cooling water outlet (15)    Cooling treating shape preserving cavity (16)    Cooling water inlet (17)    Cooling water circulating chamber (18)    Cutter (19)    Operation mechanism (20)    Core bar (21)