CATALYTIC DENITRIZER

PURPOSE:To stabilize the startup operation of a waste incinerator in a short period by rapidly stabilizing the denitrification function of a catalytic denitrizer using a general denitrification catalyst. CONSTITUTION:From between a waste gas outlet 2b of a catalytic denitrizer 2 and an outlet damper...

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Bibliographische Detailangaben
Hauptverfasser:	SHIRAISHI YUKIHIRO, CHICHIBU SHIGEMASA, SHIMIZU YOSHIAKI, KAWABATA HIROAKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES FLUES HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES SEPARATION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To stabilize the startup operation of a waste incinerator in a short period by rapidly stabilizing the denitrification function of a catalytic denitrizer using a general denitrification catalyst. CONSTITUTION:From between a waste gas outlet 2b of a catalytic denitrizer 2 and an outlet damper 6 to between a waste gas inlet 2a of the catalytic denitrizer device 2 and an inlet damper 4, a circulating gas inlet damper 8 and a circulating gas outlet damper 11 are provided, and also a circulating duct 7 equipped with a suction fan 9 and gas heater 10 is made to communicate with between them. Further, when gas heated by the gas heater 10 is circulated, a denitrification catalyst with which the catalytic denitrizer 2 is loaded becomes high temp. before the startup of a waste incinerator, and rapidly becomes highly active even it is a general one, causing the startup operation of the waste incinerator to be stabilized in a short period.