公开(公告)号：US20240024821A1

公开(公告)日：2024-01-25

申请号：US18257355

申请日：2021-12-20

Applicant: GRUNDFOS HOLDING A/S

Inventor： Dominik Marek DOMINIAK ,  Loreen Ople VILLACORTE ,  Victor Augusto YANGALI-QUINTANILLA ,  Sébastien D'ANTONIO ,  Simon HANSEN ,  Jan Carøe AARESTRUP

IPC: B01D61/12 ,  B01D65/02

CPC classification number: B01D61/12 ,  B01D65/02 ,  B01D2313/903 ,  B01D2313/18 ,  B01D2313/243 ,  B01D2315/10

Abstract: A control method uses in a membrane filter system operated in iterative filtration cycles, the cycles including a production period and a following flushing. A setting of a crossflow on the entrance side (4) of a membrane (2) in the production period is controlled such that the energy consumption (E) per filtration cycle reaches an optimum. A corresponding membrane filter system is provided.

公开(公告)号：US20220197315A1

公开(公告)日：2022-06-23

申请号：US17551468

申请日：2021-12-15

Applicant: GRUNDFOS HOLDING A/S

Inventor： Loreen Ople VILLACORTE ,  Bruno KIILERICH

IPC: G05D7/06 ,  G05B13/02

Abstract: A control system suppresses biological growth, scale formation and/or corrosion in a recirculating evaporative cooling facility (1). The control system is configured to: monitor a value (C) from at least one sensor (19a-l). The value is indicative of an ion concentration in a cooling liquid of the recirculating evaporative cooling facility (1). The control system controls at least one flow regulation device (21, 23) for regulating the hydraulic operation of at least one de-ionising unit (13) of the recirculating evaporative cooling facility (1). The control system is configured to control at least one parameter of hydraulic operation of the at least one de-ionising unit (13) based on an adaptive target water saving as long as the monitored value (C) does not pass a pre-determined threshold.