Device for introducing dosed quantities of pulverized materials

Details Device for introducing dosed quantities of pulverized materials Device for introducing dosed quantities of pulverized materials

1984-04-27

1986-07-01

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

222317, G01F 1142, B65G 5346

Patent

active

045976945

ABSTRACT:
A device for introducing dosed or proportioned quantities of pulverized solid materials into a carrier gas stream is presented. The device comprises a housing which defines a flow chamber 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 an axial bore which provides a passage for the carrier gas. 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 axial bore whereby the pulverized material is delivered therethrough to the carrier gas stream. A third sleeve which is coaxial with the inner and outer sleeves and rotatable about its longitudinal axis is located between the housing and the outer sleeve. This third sleeve has a radial aperture corresponding to the side aperture of the housing. The third sleeve acts as a valve between the dosing device and a distribution tank.

REFERENCES:
patent: 3655104 (1972-04-01), Larson et al.

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