Liquid metal pump and apparatus for use in cleaning and recyclin

Details Liquid metal pump and apparatus for use in cleaning and recyclin Liquid metal pump and apparatus for use in cleaning and recyclin

1996-02-05

1998-01-13

Kastler, Scott

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

222593, 222592, C21C 542

Patent

active

057075859

ABSTRACT:
A liquid metal electromagnetic pump 17 operates by passing an electric current through the liquid metal in a direction transverse to an applied magnetic field and the longitudinal axis of the liquid metal flow pipe. The direction of the pump is reversible by reversing the electric current. It is used to transfer batches of contaminated solder from a reservoir 12 in a hot air solder leveller 11 to a treatment tank (TA or TB). Contamination of the solder is removed by a cleaning process and the liquid solder returned to the reservoir 12 after heating to the required process temperature.

REFERENCES:
patent: 5377961 (1995-01-01), Smith et al.

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