Environment-friendly energy saving heating device for boiler

The invention relates to an environment-friendly energy saving heating device for a boiler. The device is composed of an oil tank, a temperature rise chamber, a draught fan chamber and an oil and gas mixing chamber. The draught fan chamber is arranged at the bottom of a box body and is internally provided with a draught fan; the oil tank and a smoke window are installed at the upper end of the box body; and the temperature rise chamber is arranged between the oil tank and the draught fan chamber. According to the environment-friendly energy saving heating device for the boiler, fuel oil is added into a box, then an electric heater installed in the temperature rise chamber heats the oil so that the oil can melt, the fuel oil enters the oil and gas mixing chamber through an oil conveying pipe, draught fan oil and gas enter a boiler hearth for combustion after being mixed and atomized, and the environment-friendly energy saving heating device for the boiler can efficiently save energy and is high in heat efficie