ARRANGEMENT AND METHOD FOR DEGASSING A PUMP
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 6, 2024
filing date -
Dec 6, 2024
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Abstract
A method for controlling a gas flow separated from a suspension of medium consistency pulp. The pulp is treated in a pulp treatment apparatus including a first pump and a second pump, wherein the second pump is a degassing centrifugal pump provided with a degassing system which includes a degassing conduit in which a degassing valve is arranged for regulating a pressure difference between an inlet of the second pump and the degassing conduit. The degassing system also includes a pressurized degassing vessel working under overpressure and having an inlet and an outlet, wherein the outlet of the vessel is connected to a pressure control valve for maintaining a desired overpressure in the vessel.
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