Automatic dewaxing filter washing system and method
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United States of America Patent
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May 25, 1993
Grant Date -
N/A
app pub date -
Dec 23, 1991
filing date -
Dec 23, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The present invention is an automatic filter cleaning system which includes a solvent dewaxing filter which removes wax from a wax mix slurry and provides a filtrate. Status control apparatus is connected to the filter for affecting the operational status of the filter. Drain apparatus responsive to a control signal controls draining of the filter. Cleaning apparatus is also connected to the filter. A control network connected to the status apparatus, the draining apparatus and the cleaning apparatus controls those apparatus in a manner so as to allow selective changing of the status of the filter from an operational state to a down state to automatically drain the filter and clean the filter while the filter is in the down state.
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