Process heater control

Details Process heater control Process heater control

F - Mech Eng,Light,Heat,Weapons

23

N

341/16

F23N 1/10 (2006.01) F23N 5/00 (2006.01) F23N 5/18 (2006.01)

Patent

CA 1234611

PROCESS HEATER CONTROL ABSTRACT OF THE DISCLOSURE A method for controlling a process heater in which a required heat demand is computed based on the enthalpy of the feed stock and the desired enthalpy of the final product, and then used as a feedforward portion of the fuel control. A second embodiment of the invention is based on the assumption that the feed stock enthalpy changes slowly or infrequently. In this embodiment fuel heating value changes are used as a feedforward portion of the fuel control.

491014

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