Device for straightening curved continuous casting billets

Abstract

The invention provides a device for straightening curved continuous casting billets. The device comprises a frame and a continuous casting billet straightening structure arranged on the frame, wherein the continuous casting billet straightening structure comprises a supporting unit and a jack arranged on the supporting unit, and the supporting unit forms a first-row supporting unit and a second-row supporting unit; the first-row supporting unit and the second-row supporting unit are arranged on the frame side by side, and a space for containing the continuous casting billets is formed between the first-row supporting unit and the second-row supporting unit. By straightening the continuous casting billets being bent and deformed due to non-uniform cooling in the stacking process, the method can effectively make the original bent deformed continuous casting billets flat and straight, and the continuous casting billets enter the next procedure smoothly. Therefore, the percent of pass of casting billets is furthest increased, the rejection rate of casting billets is reduced, and the production cost is reduced. The device has the advantages of being simple in structure, low in manufacture cost and easy to operate and is suitable for popularization and application in the industry.

Description

technical field [0001] The invention relates to the technical field of steelmaking production, in particular to a device for straightening curved continuous casting slabs. Background technique [0002] During the billet continuous casting production process, the continuous casting slab is transported to the cooling bed after being flame-cut, and after being turned over, it is pushed to move on the cooling bed by a pusher, and then hoisted to the designated finished product stomping position. When billet continuous casting billets are stacked, the stacking method of "Tac-toe" is often used. During the hoisting process, the lower surface of the red-hot billets stacked is in contact with the previous layer of billets, and the upper surface is directly in contact with the air. Contact makes the cooling rate of the upper surface and both ends of the slab faster than that of the lower surface, resulting in a lower temperature on the upper surface of the slab. According to the prin...

AI Technical Summary

Problems solved by technology

When billet continuous casting billets are stacked, the stacking method of "Tac-toe" is often used. During the hoisting process, the lower surface of the red-hot billets stacked is in contact with the previous layer of billets, and the upper surface is directly in contact with the air. Contact makes the upper surface and both ends of the slab cool faster than the lower surface, resulting in a lower temperature on the upper surface of the slab. According to the principle of thermal expansion and contraction, the upper surface shrinks more than the lower surface, causing the slab to produce a bending phenomenon at both ends. , which seriously affects the quality of the continuous casting slab, and even cannot enter the walking heating furnace

[0003] Especially in the production of alloy steel, the alloy content is high. When the continuous casting slab is stacked and cooled, it is easy to bend at both ends, so that the continuous casting slab cannot enter the walking heating furnace. Due to the high cost of alloy steel, if the bending is continuously Cutting the slab and returning it to the furnace will inevitably cause serious waste of manpower and material resources, and may affect the production rhythm and the delivery date of the finished product. Therefore, effective measures must be taken to straighten the curved continuous casting slab. After straightening, the continuous casting The billet is kept straight, and enters the next process after reaching the standard

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