155750 ⎘
Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
Sub-classes:BOILER SYSTEM AND METHOD FOR OPERATING BOILER SYSTEM
#2Heat exchanging system and method for a heat recovery steam generator
#3SYSTEM FOR PREHEATING BOILER FEEDWATER AND COOLING CONDENSER WATER
#4DIRECT STEAM GENERATION CO2 OUTPUT CONTROL
#5Heat recovery method for wellpad SAGD steam generation
#6Gas hot water heater preheater