A continuous casting slab crystallizer
A mold and slab technology, applied in the field of continuous casting equipment, can solve the problem that the surface quality and thickness of the slab shell cannot be guaranteed at the same time.
Active Publication Date: 2021-08-03
SHANDONG XINGKE INTELLIGENT TECH
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Problems solved by technology
[0004] The object of the present invention is to provide a mold for continuous casting slab, aiming to solve the problem that the mold in the prior art cannot guarantee the surface quality and shell thickness of the continuous casting slab at the same time
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[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] Please also refer to figure 1 Now, a continuous casting slab crystallizer provided by the present invention will be described. The continuous casting slab crystallizer comprises: a cooling jacket 1; a cooling chamber 101 for passing molten steel is provided inside the cooling jacket 1, the cross-sectional area of the cooling chamber 101 gradually decreases from top to bottom, and the cooling jacket 1 It is divided into multiple individually controlled cooling zones from top to bottom, and the heat flux density of multiple cooling zones increases sequentia...
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Abstract
The invention provides a continuous casting slab crystallizer, belonging to the technical field of continuous casting equipment, comprising: a cooling jacket; inside the cooling jacket is provided a cooling chamber for molten steel to pass through, and the cross-sectional area of the cooling chamber gradually decreases from top to bottom , the cooling jacket is divided into multiple individually controlled cooling zones from top to bottom, and the heat flux density of multiple cooling zones increases sequentially from top to bottom. The continuous casting slab crystallizer provided by the invention can reduce the heat flux density at the meniscus of the crystallizer and increase the heat flux density at the outlet of the crystallizer at the same time. It not only improves the surface quality of the continuous casting slab, but also ensures the shell thickness of the continuous casting slab drawn from the crystallizer. Since the cross-sectional area of the cooling cavity gradually decreases from top to bottom, the continuous casting slab and the side wall of the cooling cavity always maintain a good contact state, thereby improving the surface quality of the continuous casting slab and ensuring the thickness of the slab shell.
Description
technical field [0001] The invention belongs to the technical field of continuous casting equipment, and more specifically relates to a continuous casting slab crystallizer. Background technique [0002] The continuous casting mold is the "heart" of the continuous casting machine. The role of mold cooling is to ensure that the billet shell has a sufficient safety thickness at the mold outlet to withstand the static pressure of molten steel and prevent steel leakage accidents; at the same time, the molten steel in the mold Uniform cooling to form a uniform shell to prevent surface cracks. The surface quality of continuous casting slabs (slabs) depends largely on the uniformity of the primary slab shell at the mold meniscus, and the uniformity of the primary slab shell depends on the heat flux density and heat transfer uniformity at the meniscus If the heat flux is too high, the primary shell will grow too fast, and the primary shell will shrink early, resulting in uneven thi...
Claims
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IPC IPC(8): B22D11/055
CPCB22D11/055
Inventor 曹磊黄伟青韩立浩刘艳霞袁建路董中奇赵晓萍齐素慈关昕王杨石永亮李爽付菁媛刘浩
Owner SHANDONG XINGKE INTELLIGENT TECH