Smoke return prevention one-way air door for condensation type gas-fired boiler

The utility model relates to a smoke return prevention one-way air door for a condensation type gas-fired boiler, which comprises an air door plate, a smoke return prevention device, a smoke return prevention device and a smoke return prevention device, an air outlet of the fan is connected with the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAO JUNQUAN, TAO XIMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR SUPPLY BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES DRAUGHT-INDUCING FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS VENTILATING WEAPONS
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