This coal-fired boiler is channeled to the turbine of a warm power plant. There is a wide range of kinds of heater used for various purposes like running a manufacturing unit, disinfecting some region, cleaning gear, to heat up the surroundings and so on. The level of total thermal sent out by outlet steam in the absolute warmth provided by the fuel is called steam evaporator effectiveness. Our coal-fired boiler incorporates with thermal proficiency, ignition productivity and fuel to steam effectiveness. The effectiveness of our boiler relies on the measure of heater utilized. Regular effectiveness of steam evaporator is 80% to 88%.