The utility model discloses an explosion-proof electric heating liquid temperature controlling device, which mainly comprises a liquid heating tank, an explosion-proof electric heater which is connected with the liquid heating tank, an explosion-proof temperature controller which is connected with the explosion-proof electric heater and controls the explosion-proof electric heater, and a heating pipe which is fixed with a production device into integration and is communicated with the liquid heating tank. The utility model is provided with a device into installation, with the advantages of simple structure, small size, the improvement of the maneuverability of the device, uniform heating up for the device, environmental protection, and the elimination of environmental protection garbage, such as dust, smoke dust ashes, etc. which is brought by a heat source which uses a boiler. The utility model also play a positive role for the innovation of the configuration of energy in the production of industrial explosive.