This historic book may have numerous typos and missing text.
Purchasers can usually download a free scanned copy of the original
book (without typos) from the publisher. Not indexed. Not
illustrated. 1912 edition. Excerpt: ...is more plainly seen in Fig.
17, and consists of an oblong box with a horizontal revolving shaft
through the center. To this shaft arms are attached which stir the
kaolin into a finely divided slip. From the washer the
kaolincharged water passes to the sand wheels, which are shown in
connection with the washers in Fig. 18. These sand wheels are
merely wheels with scoop buckets attached to the radiating spokes,
and these scoops scrape the sand from the bottom of the machine and
in rising allow the kaolin and water to drain off before the scoop
reaches an elevation which will permit of the sand dropping off the
scoop. The back of the scoop is sloped toward the outside of the
machine so that when the sand slides out it is projected at a 450
angle from the scoop and falls out Fig. 17.--Kaolin washer and sand
wheels. End view, showing power connection by pulley with the
washer and by gear with the two sand wheels. I;ig. 19.--Kaolin
washing plant, including washer and sand wheel shown in Pig. 17.
Mica troughs in left foreground. Top frame of settling tanks shown
in right foreground. Franklin Kaolin and Mica Co., lotla liridge,
Macon Co., North Carolina. side the machine. In some plants a small
jet of water is impinged upon the scoops when they reach the
desired elevation and thus the sand is more readily dislodged. Most
plants find that at least two batteries consisting of a washer and
sand wheel each are necessary. From the sand wheel the crude kaolin
floats through a sand box which is of no standard size but is
merely a tray-like box where the force of flow created by the
washer and sand wheel is overcome by increased surface, and the
sand which has not already been removed can be allowed to settle.
The outlet of this sand box should be so...
|Country of origin:
American Ceramic Society
||246 x 189 x 12mm (L x W x T)
||Paperback - Trade
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