Fuel economy in steam power plants

Introduction. Feed-water: Analysis¿Systematic control of supplies¿Softening¿Scale and grease troubles¿Preheating¿Thermal Storage. Fuel: Sampling¿Testing¿Systematic control of supplies¿Suitability for boiler-furnace. Air: Preheating primary and secondary air supply. Boilers and Furnaces: Types of¿Setting¿Hand-firing v. mechanical stoking¿Losses by radiation and air-leakage¿Smoke prevention. Steam: Superheating¿Condensation and radiation losses. Waste Gases: Heat losses in¿Sampling¿Testing¿Systematic control of. Draught and Regulation of Air Supplies: Natural v. artificial graught.