Chemical feeder
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United States of America Patent
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Apr 8, 2003
Grant Date -
N/A
app pub date -
Nov 25, 1998
filing date -
Dec 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Describes a chemical feeder that supplies treating agents, e.g., calcium hypochlorite, to a liquid stream, e.g., an aqueous stream. The chemical feeder is operated in a substantially flooded condition to provide a useful and safe pressure feeder, and optionally uses cyclonic flow to be relatively self-cleaning. One or more tablet canisters are utilized within the substantially flooded interior of the chemical feeder, and expose the lowermost tablets to the turbulent flow outside of the tablet canister. A substantially uniform chemical distribution rate over tablet life is provided by the chemical feeder.
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