Fault diagnosis method and device for self-preheating burner

The invention relates to the technical field of metallurgical annealing, in particular to a fault diagnosis method and device for a self-preheating burner, and the method comprises the steps: starting a self-inspection program of the self-preheating burner after a gas hand valve is closed; according...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG CHEN, PANG ERSHUAI, LIANG LICHUAN, LIU SHUNMING, LIANG BIN, SUO JINPENG, CHEN SHOUGUAN, WANG CHANGCHENG, ZHAO XIAODONG, JIA YIFAN, LONG JIAMING, WANG FANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	The invention relates to the technical field of metallurgical annealing, in particular to a fault diagnosis method and device for a self-preheating burner, and the method comprises the steps: starting a self-inspection program of the self-preheating burner after a gas hand valve is closed; according to the self-checking program, obtaining a flame abnormal fault state, a fuel gas electromagnetic valve fault state, a fuse fault state and an ignition time fault state; according to the flame abnormal fault state, adopting a flame fault detection mode corresponding to the flame abnormal fault state for fault diagnosis; according to the fault state of the fuel gas solenoid valve, performing fault diagnosis by adopting a fuel gas solenoid valve fault detection mode corresponding to the fault state of the fuel gas solenoid valve; according to the fuse fault state, performing fault diagnosis by adopting a fuse fault detection mode corresponding to the fuse fault state; and according to the ignition time fault state, a