G4-73 and Y4-73 boiler through and induced draft fans are mainly used in 2 ~ 670t/h steam boilers in thermal power plants.In the absence of other special requirements, g4-73 series fans can be used for mine ventilation and general ventilation.The medium transported by the ventilator shall be air, and the maximum temperature shall not exceed 80℃;The medium transported by the induced draft fan shall not exceed 250℃. Before the induced draft fan, dust removal device must be installed to minimize the dust content of the smoke entering the fan.According to the general use of power plants, the efficiency of the dust remover should not be less than 85%.

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