Study And Development Of Flame Detecting Equipment For Boiler

The boiler burning system is a quite complicated system .optimizing thecontrol system is helpful to economize fuel, reduce the production cost, ensure thesecurity and reliability of the boiler .The research of detecting and control for boilercombustion is one of the important approaches to implement the boiler combustionsystem burning stably and efficiently. This paper introduces the flame detectingequipment using commonly in the power plant boiler, analysis the combustion characterof coal and oil. There also introduces the principle of infrared flame detecting equipment,then we establish the development mechanism of the flame detecting device and thesignal processor.New flame detection device which is developed in this text need thefunction that can reflect the state of combustio in furnace timely. set up adjustabledelayed function between ls and 10s after losing flame signal to guard against errorjudgment of flame signal;...