Surge control system

Details Surge control system Surge control system

D - Textiles, Paper

21

F

92/15.3

D21F 1/48 (2006.01) D21F 7/12 (2006.01)

Patent

CA 1251673

ABSTRACT OF THE DISCLOSURE A surge control system for dewatering press felts on a papermaking machine which includes a suction pipe, a variable speed drive motor, a centrifugal exhauster driven by the variable speed drive motor and connected to the suction pipe to provide vacuum to a felt passing over a slot for dewatering thereof. A surge valve is provided and is opened to admit air to the centrifugal exhauster so as to prevent surge when the centrifugal exhauster is operating at a predetermined level at which the centrifugal exhauster will surge.

493845

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