Pipe connection system for multiple water treatment filters

Details Pipe connection system for multiple water treatment filters Pipe connection system for multiple water treatment filters

1991-05-14

1992-08-11

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210136, 210143, 21033301, 210341, 210427, B01D 4100

Patent

active

051376440

ABSTRACT:
A backwash and ripening pipe connection system for a water treatment plant uses common pipelines to and from respective filters in the plant. The backwash/ripening pipeline to and from each filter has an associated valve and connects to one pipeline from a backwash fluid source, and another pipeline leading to a waste storage tank. The filters also connect through separate pipelines to a clearwell. The pipeline from the backwash fluid source and the pipeline to the waste storage tank each have an associated master valve. During backwashing, fluid flows through the backwash pipeline to the individual backwash/ripening pipeline and its associated filter, the backwash master valve being open and the ripening master valve being closed. Individual valves on each backwash/ripening pipeline are open. During ripening, waste water from the filters flows through the backwash/ripening pipelines to the pipeline leading to the waste storage tank, the backwash master valve being closed, or blocked by a check valve, and the ripening master valve being open.

REFERENCES:
patent: 805374 (1905-11-01), McDonald
patent: 3012156 (1961-12-01), Simmons
patent: 3056499 (1952-10-01), Liddell
patent: 3121681 (1964-02-01), Baxter
patent: 4162973 (1979-07-01), Lynch
Publication by Toshiba Review. Issue No. 133, May-Jun. 1981, "Instrumentation and Automation Systems for Waterworks", pp. 5-13, Kawabe et al.

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