Equipment for the continuous pneumatic introduction of coal dust

Equipment for the continuous, pneumatic introduction of finely divided materials, in particular coal dust, into several consumption sites, in particular into the tuyeres of blast-furnaces, characterized

• by combining systems partly known per se in such manner that a plurality of double-story vessels is preceded by a distribution system consisting of a supply bin (1) with metering conveyor scale and distribution bin (3), in that a pressure-resistant bucket-wheel distributor (9) is mounted underneath every pressure-vessel (8), the buckets of said distributor being multiply subdivided (10) transversely to the axis, and in that a pressure-pan (11) provided with conveyor-gas hook-up (13) and subdivided into mini-chambers (12) corresponding to the bucket-wheel distributor is mounted underneath each bucket-wheel distributor, the conveyor lines (15) to the consumption sites being connected to said pressure pan.