C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 5/00 (2006.01) B04B 3/00 (2006.01)
Patent
CA 2089230
ABSTRACT OF THE DISCLOSURE An apparatus and process are disclosed for forming compacted silver nitrate bodies. A slurry comprising silver nitrate crystals is introduced to a rotary screen centrifuge (78). Silver nitrate crystals are separated from the liquor and partially dried on a rotating screen (84). The separated, partially dried crystals are further dried by contact with an airstream and fall into a hopper (88). The crystals flow from the hopper into a translucent feed tube (96) and then into a roll compactor (100) that compacts the crystals to form the compacted silver nitrate bodies. An optical level detector (120, 122) monitors the level of crystals in the feed tube, and a controller (124) controls the speed of the compactor, thereby maintaining the level of crystals in the feed tube within a desired range. Figure 6.
Crevelling John Walter
Logsdon Kevin Michael
Pelto Ralph Herman
Simpson Brian L.
Walker Theodore Eugene
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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