Patent ID: 7789658
Filing Date: 2010-09-07
Classification: F23D,Y02E,Y02P

Abstract:
1. A fired heater comprising: a furnace cabin including a plurality of walls and a floor defining a radiant section and a convection section; a duct adjacent to and communicating with said radiant section; at least one duct burner located in said duct, said burner including a pipe in communication with a fuel source and orifices in fluid communication with said pipe for injecting fuel; at least one surface burner located in one or more of said walls and said floor of said furnace cabin, said surface burner including a pipe in fluid communication with a fuel source and an air intake for directing air in proximity to fuel from said fuel source and orifices in fluid communication with said air intake for injecting fuel; and a plurality of tubes in said furnace cabin for carrying a fluid material through said heater to heat said fluid material.