Method and apparatus for dissolving a treating material

Details Method and apparatus for dissolving a treating material Method and apparatus for dissolving a treating material

1993-11-12

1995-05-30

Schwadron, Martin P.

Fluid handling

Processes

137268, 239310, 422261, B01D 1102

Patent

active

054193559

ABSTRACT:
An apparatus and method for dissolving a chlorine containing treating material such as calcium hypochlorite in which water is fed to a container preferably in the form of a column containing the treating material. The water is caused to cyclically rise in the container to a predetermined height to dissolve a portion of the material and then discharge to a storage container to empty the material containing container. The height at which the water rises within the container, the cross-sectional area of the container and the length of time the liquid is in contact with the material during the cycle is set to produce a solution having a concentration of from between about 2 to about 18% available chlorine at a feed rate of at least about 2 lbs/hr available chlorine. The cyclical action is preferably achieved through the use of a siphon tube connected to the material holding container and through which the fluid in the container is discharged. The ratio of the internal cross-section area of the column to the internal cross-sectional area of the siphon tube is less than 700 and preferably in the range of 500 to 100.

REFERENCES:
patent: 2603534 (1952-07-01), Miller
patent: 2708517 (1955-05-01), Evans
patent: 3595395 (1971-07-01), Lorenzen
patent: 4210624 (1980-07-01), Price
patent: 4250911 (1981-02-01), Kratz
patent: 4867196 (1989-09-01), Zetena et al.
patent: 5076315 (1991-12-01), King
patent: 5133381 (1992-07-01), Wood et al.
Booklet "Pulsar II Commercial Pool Feeder" by Olin Corporation, Stamford, Conn., pp. 1, 4, 5, and 6.

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