Construction Care and Operating Cupolas and Furnaces for Melting Iron – reprint
Cupola Practice, ICS # 1705, published International Correspondence Schools, Scranton, Pennsylvania, 1921. Reprinted by Nation Builder Books, Mebane, NC, 2017, 5½ x 8½ photocopied booklet, 54 pages. Please note this is a new photoduplicated reproduction, not an original. As is usual with most correspondence course booklets by the International Correspondence Schools, this is richly illustrated with crisp line drawings. Contents include: Construction and Care of Cupolas Introduction Furnaces for Melting Iron Operating a Cupola Construction of Cupolas Form and Dimensions Wind Belt Construction of the Charging Door Tuyeres Height of Tuyeres Height of Slag Hole Long Heats in a Cupola Upper Tuyeres Center Tuyeres Lining Cupolas Laying the Bricks Single and Double Lining Forms of Bricks for Linings Refractories for Cupola Linings Causes of Destruction of Linings Drying the Lining Starting Fire for Drying Cupola Lining Treatment of Lining Before First Heat Cleaning the Cupola Dropping Bottom First Operation in Cleaning a Cupola Bunged Cupolas Melting Zone of a Cupola Position of Melting Zone Repairing the Lining at the Melting Zone Daubing a Cupola General Method Mixing Materials for Daubing Cupola Bottoms Bottom Props Foundation for Props Quality of Material Used in Bottoms Preparing the Sand for Cupola Bottoms Density and Slope of a Sand Bottom Making Breast, Tap, Hole and Spout Dimensions Materials Used in Making the Breast Use of Clay Cores for Tap Holes Cupola Operation Starting a Heat Starting the Fire in a Cupola Charging the Fuel in a Cupola Use of Blast Depth of Fuel Bed Regulation of Charges Size and Proportions of Charges Weight of Metal and Fuel Charges Melting Ratio Economy of Fuel in Melting Iron Ratio of Weights of Iron and Fuel Charging Cupolas Methods for Charging Heavy and Light Irons Charging Different Grades of Iron Irregular Charging Slagging a Cupola and Fluxes Used Principle of Fluxes Kinds of Fluxes Quantity of Flux Necessity of a Free Slag Fuel Combustion in Cupolas The Blast Combustion Pressure and Volume of Blast Cupola Blowers Blast Gauges Tapping Out a Cupola Precautions Necessary in Tapping Tools for Tapping Method of Tapping Stopping a Cupola Tools for Stopping Stopping a Cupola Before and After Tapping Materials for Stopping a Cupola Fuels for the Cupola Coal and Coke Manufacture of Coke Analysis and Specifications for Coke Melting Iron in Small Cupolas Construction of Small Cupolas Cupolas for Experimental Work Cupola Breakdowns Examination Questions
