Dust collecting device for biomass fuel production workshop

The utility model provides a biomass fuel production workshop dust collecting device which comprises a charcoal ash conveying pipe, one end of the charcoal ash conveying pipe is connected to a plurality of dust collecting terminals, the other end of the charcoal ash conveying pipe is connected to a feeding port of a cloth bag dust collector, an exhaust pipe is arranged on an air outlet of the cloth bag dust collector, and the air outlet of the cloth bag dust collector is communicated with the dust collecting terminals. One end of the exhaust pipe is connected to the cloth bag dust collector, the other end of the exhaust pipe is connected to an air inlet of the induced draft fan, an air emptying tower is arranged on an air outlet of the induced draft fan, the dust collection terminal comprises a charcoal ash collection pipe, the charcoal ash collection pipe is connected to a charcoal ash conveying pipe, a plurality of negative pressure dust collection pipes are arranged on the charcoal ash collection pipe, and