PURPOSE: To obtain the labor-saving, sanitary, and efficient combustion of solid fuel by installing a movable combustion bed stand with an ash storing bank.

CONSTITUTION: Solid fuel is charged into a fuel storage tank 15. Ignition is carried out from a suction port 6 and heating power is freely controlled by increasing and decreasing the amount of suction air with a combustion controller 7. Flames generated at a violent combustion part 13 move downward from an exhaust inlet 1 and then move towards an exhaust outlet 8 (smoke cylinder port) while releasing heat. Ashes generated near the inlet 1 of a combustion bed stand 2 at that time are sucked downward with the flames and fall into an ash receiving box 10 to be stored. A working piece 4 is rotated by the operation of an outside handle of a stove, etc., to vibrate the stand 2 with an ash storing bank 14 to slide off and remove overstored ashes on the stand or the sliding induction of the fuel to the part 13 is urged by the vibration of a combustion support bed stand 2', and the optimum combustion condition can be recovered and maintained simply and easily.