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Sheet billet continuous casting and rolling production line and production process thereof

A thin slab continuous casting and production process technology, applied in metal rolling, manufacturing tools, metal rolling, etc., can solve problems affecting the surface quality of strip steel, achieve good heating and temperature control capabilities, and ensure furnace temperature and temperature uniformity, flexible production organization

Active Publication Date: 2018-12-18
唐山全丰薄板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the production process of the cast slab, due to the inevitable surface oxidation, a layer of iron oxide scale will be covered on the surface of the substrate. After being rolled down by the rollers, the surface oxide scale cannot be extended due to its own characteristics, so it will eventually become a fine oxide scale mosaic. On deformed substrates, influences final strip surface quality

Method used

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  • Sheet billet continuous casting and rolling production line and production process thereof
  • Sheet billet continuous casting and rolling production line and production process thereof
  • Sheet billet continuous casting and rolling production line and production process thereof

Examples

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Embodiment Construction

[0032] Below in conjunction with accompanying drawing, the present invention will be further described by examples.

[0033] Refer to attached image 3 , 4, a thin slab continuous casting and rolling production line, including continuous casting machine 1, 1# pendulum shear 3-1, 1# tunnel heating furnace 9-1, 1# descaling machine 7-1, rough rolling unit 10, 2 # pendulum shear 3-2, billet removal device 4, 2# tunnel heating furnace 9-2, 2# descaler 7-2, finishing rolling unit 11, laminar cooling 18, flying shear 19 and coiling unit 20, The continuous casting machine 1, 1# pendulum shear 3-1, 1# tunnel heating furnace 9-1, 1# descaler 7-1, rough rolling unit 10, 2# pendulum shear 3-2, billet removal device 4. 2# tunnel heating furnace 9-2, 2# descaling machine 7-2, finishing rolling unit 11, laminar flow cooling 18, flying shear 19 and coiling unit 20 are arranged in sequence according to the rolling sequence.

[0034] In this embodiment, the rough rolling unit 10 is two cont...

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PUM

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Abstract

The invention relates to a sheet billet continuous casting and rolling production line and a production process thereof, and belongs to the technical field of sheet billet continuous casting and rolling. According to the technical scheme, the sheet billet continuous casting and rolling production line comprises a continuous casting machine (1), a 1#pendulum shear (3-1), a 1#tunnel type heating furnace (9-1), a 1#descaler (7-1), a roughing mill group (10), a 2#pendulum shear (3-2), a billet picking device (4), a 2#tunnel type heating furnace (9-2), a 2#descaler (7-2), a finishing mill group (11), a laminar cooling (18), a flying shear (19) and a reeling-up machine set (20) which are arranged in sequence according to a rolling sequence. When the continuous casting speed of the continuous casting machine (1) is less than 5m / min, single block rolling or semi-endless rolling is adopted; and when the continuous casting speed of the continuous casting machine (1) is greater than or equal to 5m / min, endless rolling is adopted. The sheet billet continuous casting and rolling production line and the production process thereof have the beneficial effects that the temperature uniformity and the surface quality of a casting blank can be ensured, and different rolling modes can be adopted according to the continuous casting speed of the continuous casting machine.

Description

technical field [0001] The invention relates to a thin slab continuous casting and rolling production line and a production process thereof, belonging to the technical field of thin slab continuous casting and rolling production equipment in the metallurgical industry. Background technique [0002] At present, the existing thin slab continuous casting and rolling production lines all have fixed production line process schemes according to their respective process characteristics, and various layout schemes have their own characteristics to meet their respective process requirements. [0003] The cast slab needs to be rolled into an intermediate slab of required thickness in the rough rolling unit, and then enter the finishing rolling unit to be rolled into a finished product with a certain thickness. The rough rolling unit not only has reciprocating rolling, but also a continuous rolling process scheme; the finishing rolling unit generally adopts the continuous rolling proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/46B21B15/00
Inventor 史东日王贵全穆长青黄永刚李勇张立新张成永李洪赵雅静姚有森湛永国陈建宇张兆利陈会文刘玉生朱永利田振君冯树民王立元魏明赵小宇林树红耿建新胡彬彬李宏军张玉祥尹叶海谢启川张久海刘铁成徐红亮王泽生李建东李立军孙武俊张秀忠刘光磊李顺林乔永才齐有强李绍水孟维君张海江刘长胜张兴国张胜金光启张建明郭侠杜伟白文春张佳蕾朱明磊李国兴郭路标刘思雨刘双喜
Owner 唐山全丰薄板有限公司
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