Apparatus for mixing bulk materials in dust, powder or coarse gr

Details Apparatus for mixing bulk materials in dust, powder or coarse gr Apparatus for mixing bulk materials in dust, powder or coarse gr

1987-03-05

1989-04-04

Jenkins, Robert W.

Agitating

Stationary mixing chamber

366101, 366137, B01F 1302

Patent

active

048181170

ABSTRACT:
A device for blending dust, powder or coarse particle bulk materials, having a first upper blending device with a cylindrical blending container and a connecting discharge funnel which tapers conically towards a second lower blending device. The second lower blending device having a cylindrical container and a connecting discharge hopper which tapers conically towards the bottom to form an upper and lower mass flow silo. There is a blending pipe installed in the upper blending device which extends approximately to the lower end of the upper discharge funnel. The blending pipe contains inlet openings throughout its whole length for bulk material wherein the concentrically installed blending pipe is vertically subdivided into gravity pipes arranged side by side. Each pipe contains several inlet openings arranged above one another. The blending pipe is constructed cylindrically in the lower end region with the bulk material being transported back via a conveying pipe.

REFERENCES:
patent: 4068828 (1978-01-01), Goins
patent: 4285602 (1981-08-01), Hagerty
patent: 4518260 (1985-05-01), Goins
patent: 4553849 (1985-11-01), Goins
Mixing and Homogenizing of Granular Bulk Material in a Pneumatic Mixer Unit, W. Krambrock, 1976.
Methods of Mixing Bulk Materials, W. Krambrock, 1981.

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