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Continuous casting crystallizer capable of controlling liquid level flow field and wave motion

A continuous casting crystallizer and control liquid technology, applied in the field of metal overcasting technology, can solve the problems of large resource consumption and complicated equipment

Inactive Publication Date: 2008-07-16
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in order to achieve a better braking effect, the electromagnetic braking technology consumes a lot of resources, the equipment is complicated, and there are still many technical problems.

Method used

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  • Continuous casting crystallizer capable of controlling liquid level flow field and wave motion

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Embodiment 1

[0010] Embodiment 1: Referring to Fig. 1, the crystallizer device of the present invention includes: molten metal tundish 1, submerged nozzle 2, straightening roller, guide roller 4, conveying roller 5, self-consumable metal plate 6, mold powder 7, Slab 8, water-cooled crystallizer 9 and dummy rod 10.

[0011] The main part of the device is the same as the conventional crystallizer, that is: a metal liquid tundish 1 is arranged in the middle of the top of the metal crystallizer 9 with a cooling water bag, and a submerged nozzle 2 is inserted and immersed in the crystallizer below it. In the molten metal in the device, there is a tapered plunger to adjust the outflow of the molten metal; at the bottom of the crystallizer 9, a stretchable dummy rod 10 is provided, which can pull out the solidified billet downwards.

[0012] Both sides above the crystallizer 9 are also provided with a feeding feed mechanism that feeds the self-consumable metal plate 6 into the molten metal in the...

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Abstract

The invention relates to a device of continuous casting crystallization mould with a controllable liquid level and fluctuation, pertaining to the metal continuous casting process technology field. The invention can reduce slag entrapment on liquid surface of crystallization mould according to the mechanism of slag entrapment production in crystallization mould to inhibit metallic liquid flow horizontally. The main part of the invention is basically the same as the traditional crystallization mould, while the difference lies in that the two sides of the crystallization mould upper part are provided with self consumption metal plates and feeding mechanisms; the self consumption metal plate is inserted into the metallic liquid of the crystallization mould through a straightening roller, a guide roller and a transport roller; continuously casting billets are finally drawn off by a dummy bar. The structure of the invention comprises: a metallic pouring basket (1), a submerged nozzle (2), a straightening roller(3), a guide roller(4), a conveying roller (5), a self-consumption metal plate (6), mould power (7), casting billets (8), a water cooled crystallization mould (9) and a dummy bar (10). The invention can reduce and inhibit the slag entrapment production in the crystallization mould, thereby improving quality of continuous casting billet.

Description

technical field [0001] The invention belongs to the technical field of metal overcasting technology. Background technique [0002] The core development of high-efficiency continuous casting is the production of high-speed, high-quality and defect-free billets. At high casting speed, slag entrainment in the mold is one of the biggest technical problems plaguing continuous casting production. Through years of research, researchers at home and abroad have found that there are five mechanisms for slag entanglement on the liquid surface of the mold, namely: 1. Surface slag entrapment; 2. Swirl slag entanglement; 3. Kelvin-Helmholz unsteady flow slag entanglement; 4. 1. Unsteady slag entanglement caused by uneven pressure distribution in the longitudinal direction of the submerged nozzle; 5. Argon bubble slag entanglement, the first four slag entrapment mechanisms are related to the mutual flow between the left and right of the nozzle, so the existing suppression crystallizer sla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/11
Inventor 雷作胜贾洪海任忠鸣邓康钟云波
Owner SHANGHAI UNIV
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