Controlling a waste combustion process

The present invention is concerned with a method of controlling on-line the steam output of a waste incineration plant that is fed with waste of varying composition. Process or system quantities ( u 2 , u 3 , x GC , x LL , w 0 ) are measured repeatedly, at different times during operation of the pla...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ASTOLFI, ALESSANDRO, BARDI, SILVIA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CREMATION FURNACES FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HEATING LIGHTING MECHANICAL ENGINEERING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING REGULATING OR CONTROLLING COMBUSTION WEAPONS
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Beschreibung
Zusammenfassung:	The present invention is concerned with a method of controlling on-line the steam output of a waste incineration plant that is fed with waste of varying composition. Process or system quantities ( u 2 , u 3 , x GC , x LL , w 0 ) are measured repeatedly, at different times during operation of the plant, and a relation with linear parameters (¸ i ) as coefficients of nonlinear expressions (Õ i ) of the process quantities is established by evaluating said measurements. From this relation, an optimal waste feed rate to obtain a desired steam output ( M steam ) is determined and applied to a waste feed actuator of the waste incineration plant.