公开(公告)号：US6030525A

公开(公告)日：2000-02-29

申请号：US908645

申请日：1997-08-07

申请人： Klaus Eimer ,  Dieter Patzig ,  Hans. W. Schildmann

发明人： Klaus Eimer ,  Dieter Patzig ,  Hans. W. Schildmann

IPC分类号： B01D21/24

CPC分类号： B01D21/24 ,  Y10T137/0424

摘要： A process of cost-optimized control of a mechanical filter that is situated in a flow of cooling water driven by a cooling water pump in a heat exchanger and that can be regenerated by means of a flushing system involves the following steps: at least one measurement value is determined from which the filter's current degree of soiling is derived and this value is fed to a flush command generator; by means of the functional dependencies and/or data stored in the flush command generator a first and a second performance loss are calculated at predeterminable intervals, the first performance loss comprising the performance loss due to the filter's degree of soiling and the second performance loss comprising the performance loss due to a flushing operation at the current degree of soiling; from the progression over time of the first computed performance loss are determined the total performance losses since the last regeneration as a result of the soiling of the filter; a current second energy loss is calculated for each regenerating operation, containing the second performance loss multiplied by the duration of the regenerating operation; each current second energy loss is added in to the currently accumulated total energy loss and the sum is divided by the time expired since the last regeneration, including the time required for a regenerating operation; the progression over time of this quotient is monitored and a regenerating operation is triggered when this quotient has gone through a minimum and is rising again.

摘要翻译： 一种机械过滤器的成本优化控制的过程，其位于由热交换器中的冷却水泵驱动的冷却水流中并且可以通过冲洗系统再生的机械过滤器包括以下步骤：至少一个测量 确定导出滤波器当前的污染程度的值，并将该值馈送到刷新命令生成器; 通过存储在冲洗命令发生器中的功能依赖性和/或数据，以可预定的间隔计算第一和第二性能损失，所述第一性能损失包括由于过滤器的污染程度引起的性能损失，并且第二性能损失包括 在目前污染程度下冲洗作业造成的性能损失; 从第一次计算的性能损失的随着时间的进展确定由于过滤器的污染而最后再生以来的总性能损失; 对于每个再生操作计算出当前的第二能量损失，其包含第二性能损失乘以再生操作的持续时间; 每个当前的第二能量损失加到当前累积的总能量损失中，并且将总和除以自上次再生以来的时间，包括再生操作所需的时间; 监测该商的随时间变化，并且当该商经过最小值并再次上升时，触发再生操作。