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公开(公告)号：US09200407B2
公开(公告)日：2015-12-01
申请号：US14243152
申请日：2014-04-02
摘要： Apparatus for washing and dewatering pulp and a system for controlling this apparatus are provided. The apparatus includes a pair of rotatable press rolls installed in vats and including a press nip therebetween, an inlet for feeding the pulp to the press nip, with one of the press rolls being movable in relation to the other and in which the processing of the pulp is determined by the number of variable operating parameters. The system includes apparatus for utilizing the distance between the press rolls as a variable operating parameter, for setting a desired value for a specific control parameter, for measuring the specific control parameter, and for adjusting at least two of the variable operating parameters during operation to maintain the difference between the desired value and the measured value of the specific control parameter below a predetermined difference.
摘要翻译： 提供了用于洗涤和脱水纸浆的设备以及用于控制该设备的系统。 该装置包括一对安装在大桶中的可旋转的压榨辊并且包括其间的压榨压区，用于将纸浆输送到压榨压区的入口，其中一个压榨辊相对于另一个可移动，并且其中 纸浆由可变操作参数的数量决定。 该系统包括用于利用压辊之间的距离作为可变操作参数的装置，用于设置用于特定控制参数的期望值，用于测量特定控制参数，以及用于在操作期间将至少两个可变操作参数调整为 将特定控制参数的期望值和测量值之间的差保持在预定差以下。
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公开(公告)号：US20140262097A1
公开(公告)日：2014-09-18
申请号：US14243152
申请日：2014-04-02
IPC分类号： D21C9/18
摘要： Apparatus for washing and dewatering pulp and a system for controlling this apparatus are provided. The apparatus includes a pair of rotatable press rolls installed in vats and including a press nip therebetween, an inlet for feeding the pulp to the press nip, with one of the press rolls being movable in relation to the other and in which the processing of the pulp is determined by the number of variable operating parameters. The system includes apparatus for utilizing the distance between the press rolls as a variable operating parameter, for setting a desired value for a specific control parameter, for measuring the specific control parameter, and for adjusting at least two of the variable operating parameters during operation to maintain the difference between the desired value and the measured value of the specific control parameter below a predetermined difference.
摘要翻译： 提供了用于洗涤和脱水纸浆的设备以及用于控制该设备的系统。 该装置包括一对安装在大桶中的可旋转的压榨辊并且包括其间的压榨压区，用于将纸浆输送到压榨压区的入口，其中一个压榨辊相对于另一个可移动，并且其中 纸浆由可变操作参数的数量决定。 该系统包括用于利用压辊之间的距离作为可变操作参数的装置，用于设置用于特定控制参数的期望值，用于测量特定控制参数，以及用于在操作期间将至少两个可变操作参数调整为 将特定控制参数的期望值和测量值之间的差保持在预定差以下。
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