B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
100/6
B30B 3/00 (2006.01) B30B 9/00 (2006.01)
Patent
CA 1048339
ABSTRACT OF THE DISCLOSURE Disclosed is an apparatus for separating from ruminant animal feces the undigested fibrous material that is preponderantly short pieces which consist of bundles of capillary tubes. The apparatus includes a supply tank to receive a slurry that contains ruminant animal feces and added liquids including urine, means in the supply tank for agitating the slurry to make it substantially homogeneous and a first stage separator to separate the slurry into a filtrate consisting preponderantly of liquid and fine solids, and a filter mass consisting preponderantly of the short pieces of fibrous material. The separator includes a first stage hopper which is airtight and has an inlet near its lower end to receive pumped slurry, whereby there is a gas pressure in excess of atmospheric on slurry entering the first stage separator. The apparatus also has a foraminous separator drum which is rotatable on a horizontal axis at the bottom of the hopper with a squeeze roller surmounting the separator drum slightly downstream of the vertical diameter of the drum. Means urge the squeeze roller against the separator drum with heavy pressure to compress the capillary tubes and express the majority of the liquid therefrom. A filtrate discharge is provided for the separator drum and a filter mass scraper blade bears on the separator drum downstream from the squeeze roller. Means are provided for pumping the slurry from the tank into the hopper and means are provided for rotating the separator drum to force the filter mass forwardly beneath the roller and onto the scraper.
307157
Shulick Robert J.
Swanson Roger
Thompson Duncan M.
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