Apparatus for reprocessing old paper

Details Apparatus for reprocessing old paper Apparatus for reprocessing old paper

1981-02-09

1982-05-04

Hill, Ralph J.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

2102211, B03D 116

Patent

active

043280951

ABSTRACT:
Apparatus is provided for reprocessing old paper in a series of flotation cells arranged one behind another, the suspension discharge 11 from the front cell being connected to the suspension inlet 8 of the following cell, each cell being provided with a stirring impeller 3, an air infeed device 9 and a foam outlet opening 12. The cells are provided by a substantially tubular body 1 which is horizontal or slopes gradually downward towards the rear, the tubular body being divided into a plurality of sections by partition walls 2 extending substantially vertically. Each section is provided with a suspension inlet 8, a suspension discharge outlet 11, a foam outlet opening 12, a stirring impeller 3, and an air infeed device 9.

REFERENCES:
patent: 838626 (1906-12-01), Kirby
patent: 1389674 (1921-09-01), Lyons et al.
patent: 1492933 (1924-05-01), Parker
patent: 1578274 (1926-03-01), Eldred et al.
patent: 3050188 (1962-08-01), Nisser et al.
patent: 3348687 (1967-10-01), Foster
patent: 3420370 (1969-01-01), Isenhardt et al.
patent: 3446353 (1969-05-01), Davis

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