Liquid removal device

Details Liquid removal device Liquid removal device

1983-02-08

1984-10-16

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Longitudinally traveling work of bar, strip, strand, sheet...

15345, 72 39, 72 40, 134 21, 134 32, 134 37, B08B 500, B08B 504, B21B 4502

Patent

active

044772874

ABSTRACT:
This invention relates to an improved method and device for removing liquid from a moving surface such as a continuous metal sheet or strip. The invention has particular application to the removing of lubricant and/or coolant from sheet or strip in a rolling operation or the backup rolls of the rolling mills. The invention comprises a vacuum unit to remove most of the liquid from the moving surface, an air knife to drive the liquid remaining on the surface toward the vacuum unit, and a vent maintained at a pressure intermediate between the low pressure of the vacuum unit and the high pressure of the air knife to minimize eddy current formation in the gas flow from the air knife to the vacuum unit. Eddy currents can cause the redeposition of liquid onto the essentially dry sheet or strip.

REFERENCES:
patent: 2018791 (1935-10-01), Kern
patent: 2055577 (1936-09-01), Huff
patent: 2181487 (1939-11-01), Khuen-Kryk
patent: 3192752 (1965-07-01), Dowd et al.
patent: 3221358 (1965-12-01), Dickson
patent: 3374118 (1968-03-01), Seress et al.

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