Method of and apparatus for controlling the concentration...

Details Method of and apparatus for controlling the concentration... Method of and apparatus for controlling the concentration...

B - Operations, Transporting

01

F

341/35

B01F 15/04 (2006.01) G05D 11/13 (2006.01)

Patent

CA 1142626

METHOD OF AND APPARATUS FOR CONTROLLING THE CONCENTRATION AND STABILITY OF AN EMULSION ABSTRACT OF THE DISCLOSURE A method of and system for controlling the oil concentration in and the stability of an oil-in-water emulsion used as a coolant-lubricant in a metalworking operation in which a portion of the emulsion is circulated through a sensor to monitor its density and to generate a signal relating the density to the oil concentration. The signal is employed to control addition of oil to the emulsion to thereby control the concentration within close limits. Sensing means also monitors the stability of the circulated emulsion, and emulsifier is added, as required, either to the oil to be added or directly to the emulsion to thereby control both the oil concentration in and the stability of the emulsion.

395905

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