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Blank drawing technology for crystallizer of conticaster and special crystallizer structure

A mold and continuous casting machine technology, which is applied in the field of structural improvement of special molds, can solve problems such as casting slab stuck in the mold, slab shell cracking, and slab casting resistance increase

Inactive Publication Date: 2004-06-09
张祝得
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the reverse taper is 0.5-1.0%. A mold with a large reverse taper will generate more heat, but the resistance of casting will increase; if the reverse taper is too large, the billet shell will be cracked (transverse cracks appear), and in severe cases, the cast billets get stuck in the crystallizer

Method used

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  • Blank drawing technology for crystallizer of conticaster and special crystallizer structure
  • Blank drawing technology for crystallizer of conticaster and special crystallizer structure
  • Blank drawing technology for crystallizer of conticaster and special crystallizer structure

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Embodiment Construction

[0021] The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:

[0022] figure 1 Is an implementation mode of the present invention, figure 2 The structure of the crystallizer of the present invention is shown. The structure of the mold is composed of two narrow-sided copper plates 1 and two broad-sided copper plates 2, and four servo hydraulic cylinders 3 act on the outer wall of the broad-sided copper plate 2 to lock and press it into a combined slab mold. The structure of the two narrow-side copper plates 1 in this embodiment can be the structure of the narrow-side copper plate elastic body as shown in Figs. 9, 10, and 11, and there is a cavity 11 filled with cooling water in the body. The cavity 11 passes through the cooling water. The water inlet 13 and the water outlet 14 input cooling water with pulsating pressure into the cavity. There are also cavities 12 filled with cooling water in the two broad-...

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Abstract

The present invention provides a blank-drawing process of continuous casting machine crystallizer and its special-purpose crystallizer structure. Said process adopts a crystallizer capable of producing enough elastic deformation under the action of external force. When the steel blank is slided downward in the crystallizer, it can make the wide-edge copper plate of crystallizer produce an outward small transverse displacement, and when the steel blank is slided upward in the crystallizer, it can make the wide-edge copper plate of crystallizer produce an inward small transverse displacement, so that it can make crystallizer have large inverted taper and have higher capacity of heat transmission so as to raise blank-drawing speed and quality.

Description

Technical field [0001] The invention relates to a steel continuous casting production process and a structural improvement of a special crystallizer applying the process. Background technique [0002] Continuous casting is the main production method of modern steel production. The continuous casting machine is a special equipment to realize this method. The mold is the core component of the continuous casting machine. The performance of the mold determines the output of the casting machine, the quality of the billet, and the casting Steel type. [0003] The slab mold used in the existing continuous casting machine is a combined mold. Its structure is composed of two broad-sided copper plates and two narrow-sided copper plates. In the stable casting process, its geometric structure is unchanged. Yes, the mold adjusts the position of the narrow side copper plate when the width of the slab is changed. After adjusting the width and taper, the wide side copper plate of the mold is loc...

Claims

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Application Information

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IPC IPC(8): B22D11/04B22D11/057B22D11/059
Inventor 张祝得
Owner 张祝得
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