Flue gas bypass system for boiler denitration

The utility model provides a flue gas bypass system for boiler denitration. The flue gas bypass system comprises a boiler, a main flue, a bypass flue, a mixed flue, an SCR denitration device and an ash removal device. The outlet end of the main flue is connected with the mixed flue, one end of the b...

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Bibliographische Detailangaben
Hauptverfasser:	WU XIAOZHOU, CAO CHAO, YANG CHAODONG, YANG BOTONG, BU DONG
Format:	Patent
Sprache:	chi ; 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:	The utility model provides a flue gas bypass system for boiler denitration. The flue gas bypass system comprises a boiler, a main flue, a bypass flue, a mixed flue, an SCR denitration device and an ash removal device. The outlet end of the main flue is connected with the mixed flue, one end of the bypass flue is connected with the main flue, the other end of the bypass flue is connected with the mixed flue, and the outlet end of the mixed flue is connected with the SCR denitration device. The ash removal device comprises an ash conveying pipeline, an ash baffle and a lifting assembly, an ash outlet is formed in the bottom of the horizontal section of the bypass flue, one end of the ash conveying pipeline is communicated with the ash outlet, the other end of the ash conveying pipeline is connected with the main flue, and one end of the lifting assembly is connected with one end of the ash baffle. The end, away from the lifting assembly, of the ash blocking plate is hinged to the top of the horizontal section o