Steam-leakage-preventing steam heating device for distillation kettle

The utility model discloses a steam-leakage-preventing steam heating device for a distillation kettle. The steam-leakage-preventing steam heating device comprises a barrel, wherein a heater upper end cover is arranged at the top of the barrel; a heater lower end cover is arranged at the bottom of the barrel; the heater upper end cover is provided with a gas inlet pipe and a gas returning pipe; the heater upper end cover is further provided with a steam leakage detection pipe; the barrel is internally provided with a heating pipe; metal fillers are arranged between the heating pipe and the barrel. According to the steam-leakage-preventing steam heating device, the heating efficiency is high and safety and reliable heat energy can be provided for a distillation process; bonding and burning phenomena of materials by using an electric heating device are avoided; meanwhile, the heater upper end cover is further provided with the steam leakage detection pipe so that steam leakage can be observed when steam in the h