Cooling of cast billets

Details Cooling of cast billets Cooling of cast billets

C - Chemistry, Metallurgy

22

F

38/30, 148/55.5

C22F 1/04 (2006.01) C21D 1/667 (2006.01) C21D 1/78 (2006.01) C21D 11/00 (2006.01) C22F 1/05 (2006.01)

Patent

CA 2030261

Abstract The method and the apparatus serve to cool cast billets (16) made of an aluminum alloy after a homogen- izing anneal. The billets (16) emerging from a full-annealing furnace (10) continuously one after the other in the longitudinal direction at a first temperature are guided in-line through a spray unit (12) at a program-controlled feed rate and while being sprayed on all sides with the cooling medium in a program-controlled manner to reach an adjustable surface temperature. The internal and surface temperature of the billets (16) are equalized a short time after leaving the spray unit (12). The spray unit (12) for the billets (16) passing through in-line is equipped over its entire length (1) and over the entire periphery of its inner space (20) with nozzles which can be adjusted as a whole, in groups or individually. (Fig. 1)

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