B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
302/22
B65G 51/00 (2006.01) B65G 53/46 (2006.01) C21B 5/00 (2006.01)
Patent
CA 1233858
A B S T R A C T " Apparatus for introducing dosed quantities of pulverulent materials into a pneumatic propulsion fluid " A device for introducing dosed quantities of pulverized solid materials into a carrier gas stream is presented. The device is particularly suitable for injecting solid materials into a vessel during metal refining. The device comprises a housing with flow channels in the axial direction for the flow of pressurized fluid or carrier gas. The housing also has a side aperture therethrough. The side aperture is connected to a container holding pulverized materials. Coaxial inner and outer sleeves, at least one of which is capable of rotation, are located within the housing. The outer sleeve communicates with the aperture while the inner sleeve has a diametrical bore which provides a passage for the carrier gas and the solid material. Upon rotation of a sleeve, slots provided on each sleeve will align and overlap with each other and with the aperture to define a variable sized passage between the container and an outlet opening provided on the side opposite to the side aperture, whereby the pulverized material is delivered therethrough to the carrier gas stream.
478074
Legille Edouard
Mailliet Pierre
Ulveling Leon
Gowling Lafleur Henderson Llp
Wurth (paul) S.a.
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