Fixed sequential sprayer for a cylindrical wastewater screen
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 16, 2002
Issued Date -
N/A
app pub date -
Oct 17, 2000
filing date -
Feb 9, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for cleaning a rotating cylindrical wastewater screen of the type formed of tubular perforate wedgewire. The apparatus includes a frame, a rotatable cylindrical screen carried by the frame and having an axis of rotation and which is defined by a tubular perforate wedgewire sidewall having an interior wedgewire surface and an exterior wedgewire surface, a wastewater conduit having an opening disposed inside the wedgewire sidewall through which conduit effluent is discharged, a plurality of spray nozzles positioned along the length of the cylindrical screen from which fluid is ejected against the wedgewire sidewall to dislodge solids from the wedgewire sidewall, a control system coupled to the plurality of spray nozzles that controls the order that each nozzle of the plurality of spray nozzles ejects fluid and controls a duration of time that each nozzle of the plurality of nozzles ejects fluid, and a pump in fluid flow communication with a supply of the fluid for delivering the fluid to the plurality of spray nozzles.
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