▎ 摘　　要

NOVELTY - The utility model claims a steam boiler of biomass fuel, comprising a shell and a base, the bottom end position of the shell is provided with a base, the left end of the shell is provided with a control valve one at the lower position, the front end of the shell is provided with a sealing door at the lower position, the sealing door is movably connected to the shell; the front end position of the sealing door is provided with a door bolt, the door bolt is vertically sleeved to the sealing door; the top side of the sealing door is provided with a fixing frame, the supporting rod and the cushion foot provide inward supporting force, the stability of the reinforcing device, the glass fibre layer through its own high temperature resistance and the device directly contact the graphene layer has the function of heat preservation for the device, so as to further improve the conversion rate of the device energy, the existing device is used for a long time, the device service life is reduced, and the safety coefficient is greatly reduced, the energy conversion rate is low, through the setting, It can greatly improve the service life of the device.