Device for introducing dosed quantities of pulverized solid mate

Details Device for introducing dosed quantities of pulverized solid mate Device for introducing dosed quantities of pulverized solid mate

1985-04-10

1986-08-12

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

222476, 222548, 406131, B65G 5346

Patent

active

046053425

ABSTRACT:
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 fuels into a shaft furnace during metal refining. The device comprises a housing having oppositely disposed inlet and outlet radial apertures therethrough. The inlet radial 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. Upon rotation of a sleeve, pairs of oppositely disposed slots provided on each sleeve will align and overlap with each other and with the pair of oppositely disposed apertures to define variable sized passages. A cheek positioned on one end of the housing has a cylindrical extension portion which extends axially into the inner sleeve and extends across the inlet and outlet apertures. The extension portion includes a channel therethrough which is axially aligned with the first and second aperture means and is also connected to a source of pressurized fluid.

REFERENCES:
patent: 1271107 (1918-07-01), Weller
patent: 3179471 (1965-04-01), Savage

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