Chemistry: molecular biology and microbiology – Miscellaneous
Patent
1992-02-24
1993-10-19
Wityshyn, Michael G.
Chemistry: molecular biology and microbiology
Miscellaneous
435315, 435316, 422184, 422209, C12M 110
Patent
active
052544729
ABSTRACT:
An organic digesting system incorporating a pair of digester units each of which includes an elongated, horizontally disposed frusto-conical, stationary outer drum with each outer drum including a correspondingly frusto-conical inner drum that is rotatably driven about a horizontal axis. The outer upper drum includes an inlet at the smaller end thereof and a vertical discharge conduit at the larger end thereof which communicates with the smaller end of the lower outer drum. The larger end of the lower outer drum includes a discharge outlet or conduit. Each of the inner conical drums is constructed of foraminous material to form a periphery that is porous with the foraminous periphery of the inner drum being supported from support shafts at each end thereof. The interior of the inner drum is provided with a plurality of inwardly extending agitation blades which are spaced peripherally on the interior of the inner drum and arranged in longitudinally spaced arrays. Also, each inner drum is provided with a plurality of outwardly extending outer agitation blades with the function of these blades being to mix, agitate and churn the organic material while lifting and moving it from the entrance to the upper outer drum to the discharge into the lower outer drum and to the discharge outlet from the lower outer drum.
REFERENCES:
patent: 33908 (1861-12-01), Tilley
patent: 1015796 (1912-01-01), Gerlach
patent: 2178818 (1939-11-01), Earp-Thomas
patent: 2243192 (1941-05-01), Clark
patent: 2823106 (1958-02-01), Pierson
patent: 2864672 (1958-12-01), Brooks, Sr.
patent: 4824028 (1989-04-01), Rota
Brooks Johnathan A.
Brooks, III Edward H.
Beisner William H.
Wityshyn Michael G.
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