Antonelli, Terry & Wands
Automatic slurry concentration control system
 An automatic slurry concentration control system including a mixing tank filled with a charge of slurry of solids containing water, a clear water tank for supplying clear water, a suction tube of a slurry supply pump located in an opening in a lower portion of the mixing tank, and a movable tube for adjusting the opening of the mixing tank, wherein the concentration of slurry in the suction tube can be controlled by adjusting the movable tube, is provided with a clear water control device. The clear water control device is mounted in the clear water tank for controlling the amount of clear water supplied from the clear water tank in accordance with the amount of slurry delivered from the mixing tank. 
Hitachi, Ltd.
B B
B65G B28C
inventional inventional
Kenji Masakatsu Yukishige Makoto
Uchida Sakamoto Kamino Saito