Preheating of air and flue gas waste heat utilization system that energy cascade utilized
The utility model belongs to the fields such as heat recovery of boiler flue gas and production technology tail gas specifically, relate to a preheating of air and flue gas waste heat utilization system that energy cascade utilized. The utility model discloses a: flue gas passageway (17), air duct (...
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Format: | Patent |
Sprache: | chi ; eng |
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