Screening apparatus for screening pulp suspensions and method of operating the apparatus
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United States of America Patent
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N/A
Issued Date -
May 24, 2007
app pub date -
Dec 3, 2004
filing date -
Dec 4, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A screening apparatus for screening pulp suspensions is disclosed, comprising a housing, a screen basket having a tubular mantle wall with screen apertures, the mantle wall dividing the interior of the housing into a central chamber and an outer substantially annular chamber, and a rotor arranged in the housing for providing pressure and suction pulses in the suspension to be screened along the mantle wall. At least one elongated support element connects the screen basket to the housing and at least one load sensor is arranged on the support element for sensing the load exerted by the screen basket on the support element during operation of the apparatus. A control unit controls at least one operating parameter, such as the consistency of the suspension or rotational speed of the rotor, during operation in response to signals from the load sensor.
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