NOVELTY - A biomass continuous whole pyrolysis furnace comprises heat-insulating shell (1), flue gas heating chamber (2) set inside shell, and pyrolysis chamber (3) in which spiral-shaped fins (10) separate flue gas heating chamber to form spiral hot air channel (2-3), spiral hot air channel is connected to hot air inlet (2-1) and hot air outlet (2-2), flue gas heating chamber contains pyrolysis tar cracking chamber (4) and semi-coke calcining chamber (6), and pyrolysis chamber contains material inlet (3-1), pyrolysis gas outlet (3-2), semi-coke outlet (3-3), and augur (3-4).    USE - A biomass continuous whole pyrolysis furnace (claimed).    ADVANTAGE - Biomass continuous whole pyrolysis furnace improves carbon and gas quality and conversion efficiency.    DETAILED DESCRIPTION - A biomass continuous whole pyrolysis furnace comprises heat-insulating shell (1), flue gas heating chamber (2) set inside shell, and pyrolysis chamber (3) in which spiral-shaped fins (10) separate flue gas heating chamber to form spiral hot air channel (2-3), spiral hot air channel is connected to hot air inlet (2-1) and hot air outlet (2-2), flue gas heating chamber contains pyrolysis tar cracking chamber (4) and semi-coke calcining chamber (6), pyrolysis chamber contains material inlet (3-1), pyrolysis gas outlet (3-2), semi-coke outlet (3-3), and augur (3-4), pyrolysis gas outlet is connected to pyrolysis gas inlet (4-1) of pyrolysis tar cracking chamber, semi-coke outlet is connected by transverse augur (5) to semi-coke inlet (6-1) of semi-coke calcining chamber, pyrolysis tar cracking chamber contains biomass gas outlet (4-2), and semi-coke calcining chamber contains biomass charcoal outlet (6-2).    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of biomass continuous whole pyrolysis furnace.    Shell (1)    Flue gas heating chamber (2)    Hot air inlet (2-1)    Hot air outlet (2-2)    Hot air channel (2-3)    Pyrolysis chamber (3)    Material inlet (3-1)    Pyrolysis gas outlet (3-2)    Semi-coke outlet (3-3)    Augur (3-4)    Pyrolysis tar cracking chamber (4)    Pyrolysis gas inlet (4-1)    Biomass gas outlet (4-2)    Transverse auger (5)    Semi-coke calcining chamber (6)    Semi-coke inlet (6-1)    Biomass charcoal outlet (6-2)    Spiral-shaped fins (10)