Method for producing coiled sheet by continuous casting and tandem rolling of regular slab

A slab continuous casting and production method technology, applied in metal rolling and other directions, can solve the problems of large energy consumption and large scale of iron oxide, and achieve the effects of large production capacity, small amount of iron oxide scale, and high production reliability.

Inactive Publication Date: 2006-12-27
BERIS ENG & RES CORP
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AI Technical Summary

Problems solved by technology

Heating first and then soaking, so more oxide scales are formed and consume a lot of energy
[0004] In short, the advanced technology of thin slab continuous casting and rolling, which has been gradually developed since t

Method used

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  • Method for producing coiled sheet by continuous casting and tandem rolling of regular slab
  • Method for producing coiled sheet by continuous casting and tandem rolling of regular slab
  • Method for producing coiled sheet by continuous casting and tandem rolling of regular slab

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Embodiment Construction

[0050] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0051] like figure 1 As shown in Fig. 2, it is a process flow diagram and a process layout diagram of the first embodiment of the present invention. The present invention provides a production method for conventional slab continuous casting and rolling coils, comprising steps:

[0052] a. Hot metal pretreatment;

[0053] b. Steelmaking;

[0054] c. Refining molten steel 1 to make it reach the qualified composition and temperature;

[0055] d. inject molten steel 1 into continuous casting machine 2;

[0056] e. cutting the continuous casting slab with flame cutter 3;

[0057] f. Use the steel transfer machine 5 to move the continuous casting slab to the front roller table of the heating soaking furnace;

[0058] g. Heating soaking continuous casting slab;

[0059] h. Rough rolling of the continuous casting slab; ...

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Abstract

The invention relates to a continuous casting and rolling preparation method of general plate blank, which is soaking and heating the normal continuous casting plate blank in stepping soaking pit and inductive heating furnace, and directly rolling by roughing mill group when temperature of continuous casting plate achieves to rolling temperature. The invention is characterized in that arrangement between continuous casting machine and rolling mill is compact, continuous casting plate blank is directly charging, uniformly planning and designing the process equipment such as pretreatment of molten iron, steelmaking, refining, continuous casting, rough rolling, fine rolling to finished strip coiling and so on to constitute a process flow production line for continuous preparing hot-rolled sheet, saving energy, reducing working procedure and area of corresponding apparatus and factory building, and shortening production period. The invention provides a plate preparation method of less investment, good product quality and low production cost for steel corporation with production scale of 3,000,000 ton/year.

Description

technical field [0001] The invention relates to a production method for continuous casting and rolling to produce coils, in particular to a method for producing conventional slab coils with a compact process arrangement, that is, a production method for conventional slab continuous casting and rolling coils. Background technique [0002] At present, there are several commonly used process methods, such as: SMS's CSP technology - thin slab continuous casting and rolling technology, the slab thickness is 70 / 50mm, and its annual production capacity is about 2 million tons; Demag's ISP technology - thin slab Slab continuous casting and rolling technology, the slab thickness is 100 / 80mm, and its annual production capacity is about 2 million tons / year; VAI's CONROLL technology - medium-thick slab continuous casting and rolling technology, the slab thickness is 100-125mm , and its annual production capacity is about 2 million tons per year. [0003] The induction heating furnace i...

Claims

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Application Information

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IPC IPC(8): B21B1/46
Inventor 章虎润王定洪明绍玉杨自行夏杰勋张慧冀中年
Owner BERIS ENG & RES CORP
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