Systems and methods for removing micro-particles from a metalworking fluid

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United States of America Patent

PATENT NO 12091632
APP PUB NO 20230348812A1
SERIAL NO

18048540

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Abstract

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A method of removing metal particles from a contaminated metalworking fluid comprising emulsion droplets and metal particles includes pressurizing a first clean metalworking fluid with gas to provide an aerated metalworking fluid; releasing the pressure of the aerated metalworking fluid to form a plurality of bubbles; applying a shear force to the contaminated metalworking fluid to separate the emulsion droplets from the metal particles; flowing the contaminated metalworking fluid with the aerated metalworking fluid in a laminar flow to form a combined fluid, wherein the flowing occurs during the formation of the plurality of bubbles and while the emulsion droplets are separated from the metal particles, and wherein the laminar flow lasts for a time sufficient for the plurality of bubbles to attach to the metal particles; releasing the combined fluid into a flotation tank; and removing the metal particles to form a second clean metalworking fluid.

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Patent Owner(s)

Patent OwnerAddress
QUAKER CHEMICAL CORPORATION901 E HECTOR STREET CONSHOHOCKEN PA 19428

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burke, John Michael Concord Township, US 10 19

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