Gas-fired boiler afterheat recovering system and recovering method

The invention discloses a gas-fired boiler afterheat recovering system and a gas-fired boiler afterheat recovering method. A bypass flue is parallelly connected onto a main flue, a bypass flue butterfly valve, a boiler coal economizer, an air preheater and a condensing type heat exchanger are sequen...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG HONGLIAN, DONG LIANGE, ZHU ZHENG, SUN YANDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS BLASTING CONTROLLING WATER LEVEL FEED-WATER SUPPLY HEATING LIGHTING MECHANICAL ENGINEERING PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER STEAM GENERATION WEAPONS
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