Diffused aeration system
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United States of America Patent
Stats
-
Jan 19, 1988
Grant Date -
N/A
app pub date -
Feb 10, 1986
filing date -
Feb 10, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An orifice device, which includes fluid guidance structure and a flow restriction, for use in a diffused aeration system for treating polluted wastewater is disclosed. The device is inserted directly into the run of a tee-joint which connects a fluid injection pipe to a fluid manifold. The orifice device is provided with fluid guidance structure to reduce fluid turbulence as the flow of fluid changes direction from horizontal to vertical. The orifice device also is provided with an orifice to backpressure fluid and enhance even distribution of fluid among several injection pipes. The upper exterior of the orifice device is threaded to be engageable with the interior of a threaded tee-joint. The orifice device is removeable in order to facilitate cleaning and maintenance of the aeration system.
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