Direct thermal treatment process technology after rolling steel plate
A process technology, steel plate technology, applied in the field of direct heat treatment process after steel plate rolling, can solve the problems affecting the cooling uniformity of the steel plate, lower than 880 ℃, eliminate plate shape defects, etc., achieve small space occupation, fast speed, and improved The effect of flatness
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[0019] An electric induction heating device 3 with straightening rolls is installed between the rolling mill 1 and the DQ and ACC cooling device 4. The electromagnetic induction heating device is equipped with straightening rolls before and after it. The number and specific positions of the straightening rolls are set according to needs. It is used to pinch the steel plate and improve the shape of the steel plate after rolling, especially the flatness, to ensure the cooling uniformity of the steel plate in the water cooling process.
[0020] The steel plate 2 rolled by the rolling mill 1 passes through the electric induction heating device 3 with straightening rolls, and then is heat treated by the DQ and ACC cooling device 4.
[0021] When the steel plate needs to be quenched online, the straightening roll straightens the steel plate, and the electromagnetic induction heating device heats and soaks the steel plate in slow speed to the required quenching temperature, and then enters...
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