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公开(公告)号：US20150361617A1
公开(公告)日：2015-12-17
申请号：US14650781
申请日：2013-12-19
Applicant: VALMET AB
Inventor： Tobias Lööf , Patrik Pettersson , Jonas Orgård , Hans Lövgren , Per Wallin , Peter Nykvist , Jonas Magnusson
IPC: D21F1/66
Abstract: Apparatus for washing and/or dewatering cellulose pulp is disclosed including a movable permeable surface in a pulp transportation chamber having a chamber gap above the movable permeable surface, a pulp distributor for distributing pulp onto the movable permeable surface, a throttle having a throttle gap width and an adjustable throttle adjuster to remotely adjust the throttle gap width so that a volume of pulp flow into the pulp distributor is equal to or greater than the volume of pulp flow out of the distributor during operation.
Abstract translation: 公开了一种用于洗涤和/或脱水纤维素纸浆的设备，其包括在可移动可渗透表面上方具有腔室间隙的纸浆输送室中的可移动可渗透表面，用于将纸浆分配到可移动可渗透表面上的纸浆分配器，具有节流间隙宽度 以及可调节的节气门调节器，以远程调节节流间隙宽度，使得流入纸浆分配器的纸浆体积等于或大于在操作期间从分配器流出的纸浆流量。
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公开(公告)号：US11702795B2
公开(公告)日：2023-07-18
申请号：US16332994
申请日：2017-09-11
Applicant: VALMET AB
Inventor： Jonas Orgård , Hans Lövgren , Stefan Norberg , Hans-Olof Eriksson , Peter Öhrström
Abstract: A method for processing pulp in an apparatus for washing and dewatering pulp, and a system for controlling this apparatus, the apparatus comprising two rotatable press rolls (102, 104) having a permeable outer surface (106, 108), and a vat (114, 116, 118), the press rolls (102, 104) defining a press nip (112) between them. The processing is determined by a set of variable operating parameters, which are adjusted and/or maintained during operation in response to deviations of measured values of control parameters in relation to their respective predetermined threshold values. The variable operating parameters include rotation speed of the press rolls. The control parameters include vat pressure and/or linear load.
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公开(公告)号：US09598818B2
公开(公告)日：2017-03-21
申请号：US14650781
申请日：2013-12-19
Applicant: Valmet AB
Inventor： Tobias Lööf , Patrik Pettersson , Jonas Orgård , Hans Lövgren , Per Wallin , Peter Nykvist , Jonas Magnusson
Abstract: Apparatus for washing and/or dewatering cellulose pulp is disclosed including a movable permeable surface in a pulp transportation chamber having a chamber gap above the movable permeable surface, a pulp distributor for distributing pulp onto the movable permeable surface, a throttle having a throttle gap width and an adjustable throttle adjuster to remotely adjust the throttle gap width so that a volume of pulp flow into the pulp distributor is equal to or greater than the volume of pulp flow out of the distributor during operation.
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