Pulverised coal feed to burner - has two part movable conduit with intervening gap and ejector at burner inlet

摘要

The distributor feeds pulverised coal to burners in combustion chambers, comprising a hopper, a distribution and metering unit, a conduit for the pulverised coal, and a burner, connected in series. The conduit (5,6) is in two parts with a gap between, one connected to the burner (4) having a widened mouth (7) facing towards the other one (5). There is an ejector (10) at the burner inlet. The part connected to the distribution unit (2) can have, at its open end, a cylindrical guide sliding in the flow direction of the pulverised coal.