Rolling mill temperature control
A flatness and low-temperature fluid technology, applied in temperature control, metal rolling, contour control, etc., can solve problems such as high kerosene flow velocity, achieve the effect of eliminating fire prevention equipment, eliminating fire risk, and reducing environmental impact
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[0052] figure 1 A schematic representation of a rolling mill stand 1 according to the invention is shown with an aluminum strip or foil 2 passing through the stand from left to right as indicated by the arrows. The mill work rolls 3 and back-up rolls 4 are positioned and rotated to perform metal thickness reduction as is well known in the prior art. The metal 2 to be rolled has a very thin and uniform layer of suitable rolling lubricant applied to it before entering the area shown in the illustration. With the present invention, lubricant flow rates of less than 10 liters / minute are generally sufficient.
[0053] The local temperature of work roll 3 (and its diameter) is controlled during rolling as follows:
[0054] A cryogenic storage and delivery system 5 supplies cryogenic coolant to a coolant applicator 7 via an insulated and shielded feed tube 6 . In this embodiment, the cryogenic coolant applicator 7 is located on the exit side of the rolling mill, which can be locat...
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