Industrial Furnaces

W. TRINKS, a global authority on steel mill roll pass design, governors, and industrial furnaces, published several books on these subjects in many languages. M. H. MAWHINNEY authored Practical Industrial Furnace Design and coauthored (with Trinks) Volume I, Fifth Edition and Volume II, Fourth Edition of Industrial Furnaces. R. A. SHANNON has more than 50 years of experience in engineering and served as the North American Manufacturing Company's authority on steel reheat furnaces, soaking pits, and forging furnaces. R. J. REED is a retired consulting engineer and worldwide seminar leader who served as technical information director at North American Manufacturing Company. J. R. GARVEY is a consultant who retired as director of steelmaking projects at H. K. Ferguson Company.

1. INDUSTRIAL HEATING PROCESSES. 1.1 Industrial Process Heating Furnaces. 1.2 Classifications of Furnaces. 1.3 Elements of Furnace Construction. 1.4 Review Questions and Projects. 2. HEAT TRANSFER IN INDUSTRIAL FURNACES. 2.1 Heat Required for Load and Furnace. 2.2 Flow of Heat Within the Charged Load. 2.3 Heat Transfer to the Charged Load Surface. 2.4 Determining Furnace Gas Exit Temperature. 2.5 Thermal Interaction in Furnaces. 2.6 Temperature Uniformity. 2.7 Turndown. 2.8 Review Questions and Project. 3. HEATING CAPACITY OF BATCH FURNACES. 3.1 Definition of Heating Capacity. 3.2 Effect of Rate of Heat Liberation. 3.3 Effect of Rate of Heat Absorption by the Load. 3.3.1 Major Factors Affecting Furnace Capacity. 3.4 Effect of Load Arrangement. 3.5 Effect of Load Thickness. 3.6 Vertical Heating. 3.7 Batch Indirect-Fired Furnaces. 3.8 Batch Furnace Heating Capacity Practice. 3.9 Controlled Cooling in or After Batch Furnaces. 3.10 Review Questions and Project. 4. HEA TING CAPACITY OF CONTINUOUS FURNACES. 4.1 Continuous Furnaces Compared to Batch Furnaces. 4.2 Continuous Dryers, Ovens, and Furnaces for <1400 F (<760 C). 4.3 Continuous Midrange Furnaces, 1200 to 1800 F (650 to 980 C). 4.4 Sintering and Pelletizing Furnaces. 4.5 Axial Continuous Furnaces for Above 2000 F (1260 C). 4.6 Continuous Furnaces for 1900 to 2500 F (1038 to 1370 C). 4.7 Continuous Liquid Heating Furnaces. 4.8 Review Questions and Projects. 5. SAVING ENERGY IN INDUSTRIAL FURNACE SYSTEMS. 5.1 Furnace Efficiency, Methods for Saving Heat. 5.2 Heat Distribution in a Furnace. 5.3 Furnace, Kiln, and Oven Heat Losses. 5.4 Heat Saving in Direct-Fired Low-Temperature Ovens. 5.5 Saving Fuel in Batch Furnaces. 5.6 Saving Fuel in Continuous Furnaces. 5.7 Effect of Load Thickness on Fuel Economy. 5.8 Saving Fuel in Reheat Furnaces. 5.9 Fuel Consumption Calculation. 5.10 Fuel Consumption Data for Various Furnace Types. 5.11 Energy Conservation by Heat Recovery from Flue Gases. 5.12 Energy Costs of Pollution Control. 5.13 Review Questions, Problems, Project. 6. OPERATION AND CONTROL OF INDUSTRIAL FURNACES. 6.1 Burner and Flame Types, Location. 6.2 Flame Fitting. 6.3 Unwanted NOx Formation. 6.4 Controls and Sensors: Care, Location, Zones. 6.5 Air/Fuel Ratio Control. 6.6 Furnace Pressure Control. 6.7 Turndown Ratio. 6.8 Furnace Control Data Needs. 6.9 Soaking Pit Heating Control. 6.10 Uniformity Control in Forge Furnaces. 6.11 Continuous Reheat Furnace Control. 6.12 Review Questions. 7. GAS MOVEMENT IN INDUSTRIAL FURNACES. 7.1 Laws of Gas Movement. 7.2 Furnace Pressure; Flue Port Size and Location. 7.3 Flue and Stack Sizing, Location. 7.4 Gas Circulation in Furnaces. 7.5 Circulation Can Cure Cold Bottoms. 7.6 Review Questions. 8. CALCULATIONS/MAINTENANCE/QUALITY/SPECIFYING A FURNACE. 8.1 Calculating Load Heating Curves. 8.2 Maintenance. 8.3 Product Quality Problems. 8.4 Specifying a Furnace. 8.5 Review Questions and Project. 9. MATERIALS IN INDUSTRIAL FURNACE CONSTRUCTION. 9.1 Basic Elements of a Furnace. 9.2 Refractory Components for Walls, Roof, Hearth. 9.3 Ways in Which Refractories Fail. 9.4 Insulations. 9.5 Installation, Drying, Warm-Up, Repairs. 9.6 Coatings, Mortars, Cements. 9.7 Hearths, Skid Pipes, Hangers, Anchors. 9.8 Water-Cooled Support Systems. 9.9 Metals for Furnace Components. 9.10 Review Questions, Problem, Project. GLOSSARY. REFERENCES AND SUGGESTED READING. INDEX.