A method for edge optimization of hot-rolled silicon steel sheet
An optimization method and hot-rolled sheet technology, applied in the direction of metal rolling stand, metal rolling mill stand, etc., can solve the problem that the edge drop of silicon steel hot-rolled sheet is difficult to effectively control, reduce the temperature difference of silicon steel sheet, etc., and achieve the reduction of cross-sectional temperature difference , save power consumption, and control the effect of level balance
Active Publication Date: 2017-03-08
SHOUGANG CORPORATION
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Problems solved by technology
[0003] The embodiment of the present invention solves the technical problem that the edge drop of the silicon steel hot-rolled The temperature difference between the head and the middle section of the finished silicon steel hot-rolled plate is reduced, so that the edge quality and edge drop control level along the entire length of the silicon steel hot-rolled plate are more balanced, and the edge quality and edge drop control level can be taken into account, and effective saving power consumption
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[0019] The embodiment of the present invention solves the technical problem in the prior art that the edge drop of the silicon steel hot-rolled plate is difficult to effectively control by providing a method for optimizing the edge of the silicon steel hot-rolled plate, reduces the edge drop of the silicon steel hot-rolled plate, and reduces The temperature difference between the head and the middle of the finished silicon steel hot-rolled plate is improved, so that the edge quality and edge drop control level along the full length of the silicon steel hot-rolled plate are more balanced, and power consumption is effectively saved.
[0020] The embodiment of the present invention provides a method for optimizing the edge of a silicon steel hot-rolled plate, including:
[0021] See figure 1 and figure 2 , On the front side of the intermediate billet 2 of the silicon steel hot-rolled plate, a first tilt detector 3, a second tilt detector 4 and an induction heater 1, a first tilt dete...
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The invention relates to the technical field of rolling and in particular relates to a silicon steel hot rolling plate edge optimizing method. The method comprises steps of setting on-off of a sensing heater, setting a maximum value in an adjustable range of an opening degree (Gap) value of the sensing heater corresponding to a head part, a middle part and a tail part of an intermediate billet; setting a start of the sensing heater, sensing an opening (Gap) value of the head part of the intermediate billet corresponding to the sensing heater as H1+10mm, L+30mm and H2+10mm, setting on-off of the sensing heater, setting an maximum value in an adjustable range of an opening degree (Gap) value of the sensing heater corresponding to the head part, the middle part and the tail part of the intermediate billet; setting the start of the sensing heater, and setting an opening (Gap) value of the head part, the middle part and the tail part of the intermediate billet corresponding to sensing heater as H1+10mm, L+30mm and H2+10mm. The silicon steel hot rolling plate edge optimizing method solves a technical problem of difficulty in control of the edge drop of the silicon steel hot rolling plate in the prior art, so the edge drop of the silicon steel hot rolling can be reduced.
Description
Technical field [0001] The invention relates to the technical field of rolling, in particular to a method for optimizing the edges of silicon steel hot-rolled plates. Background technique [0002] During the production of hot-rolled silicon steel, the temperature of the slab edge drops quickly, resulting in a large temperature difference in the width direction of the slab, resulting in edge cracks and uneven wear of the work roll during the rolling process. At the same time, the grain structure of the strip steel cross section Uneven, large performance differences. Edge induction heating technology can compensate the edge temperature of the hot-rolled intermediate billet, increase the edge temperature by 30-75℃, effectively reduce the transverse temperature difference of the strip, improve the quality of the strip edge, and increase the overall yield. In the production of high-grade non-oriented silicon steel and low-temperature oriented silicon steel, the input of the edge heat...
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IPC IPC(8): B21B37/22
Inventor 张长利王凤琴王秋娜王晓晨刘洋赵阳刘子英张喜榜郭薇宋光义李彬杨荃
Owner SHOUGANG CORPORATION