2 Pre-Steam Hero of Alexandria 16th Century - Descriptive Publications 1st Century ADDescribed Boiler and Reaction TurbineNo Suggestion for Useful Application of Device16th Century - Descriptive Publications17th Century - Beginning of Steam’s Practical Usage
4 Boilers - Types Shell (1720s) Heat Tube (1750s) Fire Tube (1750s) Kettle on StoveInefficient - Loss of HeatHeat Tube (1750s)Tredgold - LondonFire Tube (1750s)Limited in Capacity and PressureSusceptible to ExplosionsSmeatonTrevithick (1804) - 65 psi, 25 inch bore, 10 ft stroke
5 Boilers - Types (continued) Water Tube (1770s)Blakey (1766) - First BuiltRumsey (1788) - First SuccessfulJohn Stevens - Lawyer (1800s)First Patents in 1790Improved Water Tube (1850s)Wilcox (1856)Multiple Inclined Water TubesBetter Water CirculationMore Heating SurfaceBabcock & Wilcox (1866)
6 Boilers - Construction MaterialsCopperCast IronRolled Iron Plates - 5/16” (1795)SteelFabricationBolts & RivetsWelding
7 Boilers - Explosions Poor Materials High Pressure Pressure Release Theoretical ConsiderationsFabrication Techniques - RivetsHigh Heat InputPoor Distribution of HeatDirect HeatingPoor Circulation
Your consent to our cookies if you continue to use this website.