Apparatus for metering materials or mixtures of material in pulverulent and/or granular form

摘要

The invention relates to an apparatus for metering materials or mixtures of material in pulverulent and/or granular form, comprising at least one container and metering devices. The container 3 comprises a lower part 5 with a cross-section which decreases downwards and on the base of which is arranged at least one nozzle 12 above which is placed an ejector 13, the nozzle 12 being connected to a carrier-gas conduit 15, whilst the ejector 13 is connected to a mixture-transportation conduit 14. Application to the introduction of alloy or treatment materials into metal baths, particularly baths of steel. <IMAGE>