Recent Blogs
Plain Cylindrical Boiler: Horizontal-Shell Fill Geometry
Plain Cylindrical Boilers explained — how the shell, flue, and grate generate steam for heritage mills, breweries, and early factories. Sizing formulas inside.
Hazelton Boiler: Historical Layout and Heat-Balance Calculator | FIRGELLI
Learn the central-drum radial-tube arrangement and compare assumed heat-transfer quantities. The calculator is a general energy balance, not a boiler rating.
Eclipse Return Tubular Marine Boiler Mechanism: How It Works, Parts, Diagram & Evaporation Formula
Trace the Eclipse boiler’s direct and return gas passes. Calculate steam mass flow and heat output from measured heating surface, evaporation and enthalpy rise.