Agitating – By injecting gas into mixing chamber
Patent
1984-12-10
1986-03-04
Jenkins, Robert W.
Agitating
By injecting gas into mixing chamber
406128, B01F 1302
Patent
active
045738009
ABSTRACT:
A pneumatic conveying and material blending system which includes a bin having an open vertical column mounted therein with a bottom of a column being spaced from the bottom of the bin. The material inlet is located in the bottom of the bin and a pneumatic conveying system supplies material to be blended from a source to the material inlet and conveys the material upwardly through the column so that the material is discharged from the top of the column in the manner of a geyser whereby it is spread over the top surface of material already in the bin. Material already in the bin flows down through the bin by gravity and is entrained by the upwardly flowing gas stream and conveyed up the column so that material already in the bin is blended with material being supplied to the bin. An annular valve is provided between the column and sidewalls of the vessel to control the quantity of material already in the bin that is entrained into the upwardly flowing gas stream and supply of fresh particulate to thereby control blending. The outlet of the bin is coextensive with the inlet of the bin so that material is drawn out of the central opening of the bottom of the bin.
REFERENCES:
patent: 2718435 (1955-09-01), Hudspeth
patent: 4042220 (1977-08-01), Humkey
patent: 4194845 (1980-03-01), Krambrock
patent: 4285602 (1981-08-01), Hagerty
patent: 4486101 (1984-12-01), Brar
Lasso Eugene R.
Pitsko John J.
Fuller Company
Jenkins Robert W.
Thomson Frank H.
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