Heating device for shortening reaction time of enamel reaction kettle

The utility model discloses a heating device for shortening reaction time of an enamel reaction kettle. The heating device comprises an enamel reaction kettle and an agitator, and is characterized in that a stainless-steel coil pipe is fixedly mounted on the inner wall of the enamel reaction kettle, a stainless-steel coil pipe water inlet is formed at the upper end of the side wall of the enamel reaction kettle, a stainless-steel coil pipe water outlet is formed at the lower end thereof, and the water inlet and the water outlet of the stainless-steel coil pipe extend out of the side wall of the reaction kettle. In the utility model, the stainless-steel coil pipe is mounted in the enamel reaction kettle, and hot water is pumped into the enamel reaction kettle through the stainless-steel coil pipe, so that temperature in the enamel reaction kettle is kept constant, the reaction rate is accelerated, and the production efficiency is improved.