Household alcohol-free synthetic liquid fuel heating furnace

The utility model discloses a household alcohol-free synthetic liquid fuel heating furnace which comprises a base, a cylinder is arranged on the base, a panel is arranged on the upper end face of the cylinder, a furnace cover is arranged on the upper portion of the cylinder, an annular hot air box is arranged in the portion, below the furnace cover, of the cylinder, and heat absorption pieces are arranged in the annular hot air box. An air outlet is formed in one side of the barrel body and communicated with the interior of the annular hot air box, a smoke exhaust pipe is communicated with the other side of the barrel body, a combustion assembly is arranged at the bottom of the barrel body, the annular hot air box is connected with a fan assembly, and the switch controller is used for controlling the combustion assembly and the fan assembly. The combustion assembly ignites and combusts, flames upwards generate heat in the barrel, the heat absorption pieces located in the annular hot air box absorb the heat, t