G4-73, Y4-73 type boiler ventilator and induced draft fan are suitable for ventilator and induced draft fan system of steam boilers under 670t / h in thermal power plants. When there are no other special requirements, G4-73 can also be used for mine ventilation and general ventilation.
The medium conveyed by the ventilator is air, and the maximum temperature shall not exceed 80 ℃; the medium conveyed by the induced draft fan is smoke, and the maximum temperature shall not exceed 250 ℃.
Before the induced draft fan, a dust removal device must be installed to minimize the dust content of the flue gas entering the fan. According to the general power plant usage, the dust removal efficiency is not less than 85%.
The fan and the induced draft fan are made into a single suction, each with No. 8-28 a total of 12 machine numbers.