Dual model approach for boiler section cleanliness calculation

A method of controlling soot blowers or a soot blower operating sequence located near a heat exchange section, the method comprising: generating a first model for the clean operating condition of the heat exchange section from process data of the heat exchange section; generating a second model for...

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Bibliographische Detailangaben
Hauptverfasser:	Francino, Peter N, Cheng, Xu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE ORHEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING METHODS OF STEAM GENERATION STEAM BOILERS STEAM GENERATION WEAPONS
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Beschreibung
Zusammenfassung:	A method of controlling soot blowers or a soot blower operating sequence located near a heat exchange section, the method comprising: generating a first model for the clean operating condition of the heat exchange section from process data of the heat exchange section; generating a second model for the dirty operating condition of the heat exchange section from process data of the heat exchange section; calculating an ideal operating condition of the heat exchange section using the first model; calculating a dirty operating condition of the heat exchange section using the second model; calculating a current operating condition of the heat exchange section based on current process data of the heat exchange section; calculating a reliability parameter indicative of the accuracy of the first model and the second model based on the current operating condition, the ideal operating condition and the dirty operating condition; and regenerating the first model and the second model if the value of the reliability factor is not within an acceptable range of values.