Small square blank vertical drawing continuous casting machine and pressing process device

Abstract

The invention relates to a small square blank vertical drawing continuous casting machine and a pressing process device. The small square blank vertical drawing continuous casting machine and the pressing process device comprises a full four-side clamping foot roll section, a two-cooling zone four-side clamping roll column and a press-down process device, and the full four-side clamping foot rollsection is restrained in the width and the thickness direction of a casting blank; at least three groups of four-side clamping roll columns are arranged in the two-cooling area, and the rest is a lower carrier roller; the pressing process device is arranged in a casting blank solidification tail end region and adopts a single-machine frame form, wherein each machine frame is composed of an upper pressing roller and a lower pressing roller, and a rolling gap formed between the upper pressing roller and the lower pressing roller and the using number of the pressing process devices corresponds tothe specifications of the small square billets, steel type and the on-site actual pulling speed. According to the small square blank vertical drawing continuous casting machine and the pressing process device, the density of the center of the casting blank can be effectively improved, so that the central shrinkage hole of the casting blank is achieved, and the segregation can be effectively controlled. It is guaranteed that the casting blank can effectively control the bulging of the casting blank in a vertical blank drawing mode to ensure the shape of the casting blank, after the follow-up casting blank is subjected to a pressing process, a square enters the steel rolling process to serve as bedding.

Description

technical field [0001] The invention relates to a billet continuous casting machine, belonging to the field of continuous casting production, in particular to a billet vertical casting continuous casting machine and a pressing process device. Background technique [0002] The traditional billet continuous casting machine adopts the way that the wide side is the width direction, and the narrow side is the thickness. The upper and lower nip rolls are lowered to restrict the width direction, and the secondary cooling system is used to spray the surface of the billet to ensure that the billet shell There is no large belly volume. In order to meet the quality requirements of the variety of steel and reduce segregation and porosity inside the slab, electromagnetic stirring of the mold or a combination of double electric stirring at the mold and solidification end is often used. The configuration of electric stirring technology is only suitable for low casting speed production. Wh...

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Problems solved by technology

[0003] Patent application CN102000789A "a continuous casting machine and billet light reduction device", patent application CN106345977A "secondary cooling method and device for high-speed billet or billet continuous casting machine" and patent application CN206527325U "billet continuous The above-mentioned studies on "Casting Machine" all proposed the casting method with the wide surface as the width direction. Although the pressing device is also used, the coverage of the steel type is low, and the actual on-site production requirements of multiple steel types and cross-sections cannot be realized, and the pressing capacity is limited. Cannot achieve efficient compression

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