mill and start primary airflows. Warm mill to normal operating temperature of 150°F mill outlet temperature (bituminous coal) and airflow at minimum (normal minimum PA flow). Conduct a primary airflow measurement traverse to verify the indied primary airflow is correct across the operating .
17/07/2021 · ④ During the operation of pulverized coal pipe on fire, there were accidents of pulverized coal pipe on fire and burning out the pulverized coal pipe. The reason is that the resistance along the way from the four coal pipes at the outlet of the mill to the burner is different.