Liquid purification or separation – Gravitational separator – Mechanical constituent mover
Patent
1977-07-14
1979-03-13
Cuchlinski, Jr., William A.
Liquid purification or separation
Gravitational separator
Mechanical constituent mover
C02C 136
Patent
active
041441745
ABSTRACT:
The invention is an improved apparatus for collecting sludge off the bottom of settling tanks such as used in water treatment systems. The collector includes a carriage or bridge which travels on tracks along the tank wall. A siphon tube is suspended in the tank from the carriage and includes two or more sludge intakes spaced across one dimension of the tank proximate to the sludge layer. The tubes are connected to a common header, which in one embodiment also serves as a structural member of the bridge. The header is closed at one end and connected at the other end to an arched section of the tube which extends up and over the tank wall to a sludge discharge channel. A discharge section is supported in the sludge channel in association with the free end of the arched section, and can be adjusted to regulate the flow through the siphon pipe. Except for the arched section, all of the siphon tube and preferably part of the carriage are submerged in the water.
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patent: 3993568 (1976-11-01), Fux
Graham Richard B.
Mercurio Richard N.
Cuchlinski Jr. William A.
Dresser Industries Inc.
Hazelwood John N.
Hokanson Jon E.
Lorenzen John M.
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