Automatically controlled splash plate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 28, 1992
Grant Date -
N/A
app pub date -
Nov 13, 1990
filing date -
Nov 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved apparatus and process for the operation of a down-flow granular medium bed filter is disclosed. A splash plate for dissipating the force of influent liquid is rotatably connected to support means, allowing the plate to rotate from a position parallel to the bed surface to a position perpendicular to the bed surface upon the liquid above the bed rising to a selected first level. The splash plate is maintained in the perpendicular position for the remainder of the filtration cycle, the backwash cycle and any chemical cleaning cycle, allowing unobstructed operation of the filter bed. The splash plate returns to the original position at the start of another filtration cycle.
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