B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 24/46 (2006.01)
Patent
CA 2140742
A device for backwashing a particulate mineral bed in a water conditioner includes a tubular casing; a tube extending through the casing; a cap slidable on the tube for closing the top end of the casing; a spring biasing the cap to a closed position on the casing; an opening in the tube for discharging water into the cap to open the cap; a first valve closing the bottom end of the casing; a first passage in the valve normally open to the flow of water upwardly into the tube; a ball in the body for closing the first passage when the water flow reverses in the tube; a second passage in the top of the body communicating with the first passage; a second valve closing the second passage for discharging water from the valve body when the flow of water is reversed in the tube; and a hood on the tube permitting the flow of particulate material into the casing.
Big Iron Drilling Ltd.
Seaby & Associates
LandOfFree
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