Full-automatic smoke bath three-state biomass hot blast stove

The utility model relates to a full-automatic smoke bath three-state biomass hot blast stove. Comprising a lifting device, a fuel bin, a pyrolysis gas combustion device, a combustion chamber, a heat exchange chamber, a smoke circulation device and a control system. The lifting device comprises a lifting rail and a lifting hopper. An oxygen content control valve, an air cooling reamer, a liquefied gas ignition gun and a chain grate stoker are arranged at the bottom end of the fuel bin, and the tail end of the chain grate stoker extends into the combustion chamber. An automatic cover plate I and an automatic cover plate II are arranged in the combustion chamber, an inner cavity of the combustion chamber is divided into a combustion chamber and a gasification chamber by the pyrolysis gas combustion device, the automatic cover plate I and the automatic cover plate II, a plurality of kick-out devices are arranged at the upper end of the chain grate stoker, and a furnace temperature thermocouple and an ion flame de