Importance

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Abstract

The process is such that a gas/fluid mixture is sprayed in the form of a mist onto the surface of the object to be cooled. To that end a stream of fluid is passed through the nozzle outlet and atomized to a mist of droplet size <100 .mu.m, and after emerging from the nozzle is impacted by gas streams at an angle (x) of 0.degree.-90.degree. to the nozzle axis (x) to accelerate and deflect the droplets. The intensities of the gas stream can be regulated independently of one another. The process is suitable for cooling conventionally or electromagnetically cast ingots, rolled products and extruded products of metal, in particular aluminum. A suitable device for carrying out the process is comprised essentially of a part (1) featuring a nozzle (3) that supplies and aligns a fluid, and bores (5a, b) that supply gas, part 1 fitting into a counter part (2) such that gas alignment channels (7a, b) are formed.

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First Claim