Filter for continuous filtration of a suspension under pressure
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United States of America Patent
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Dec 5, 2017
Grant Date -
Apr 16, 2015
app pub date -
Oct 8, 2014
filing date -
Oct 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a filter for continuous filtration of a suspension under pressure, with a pressure vessel (1), rotating filter elements (2) disposed in the pressure vessel (1), where the filter element (2) passes through one filter cycle for each rotation, with filter zones in liquid and gaseous phase, also with filtrate channels (4′) that are connected between the filter elements (2) and separate filtrate outlets (14, 14′, 215) for each filter zone, as well as a device to control the individual filtrate zones by means of a control disc (44), where the control disc (44) has filtrate outlets (114, 115) for liquid and gaseous phase. It is primarily characterized in that a venting zone (46) is provided before the filtrate outlet of the liquid phase, viewed in the direction of the filter cycle. Thus, the compressed air in the filter elements (2) and filtrate channels (4′) can be carried off and pressure-relieved in a favorable manner.
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