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Continuous casting method

A casting billet and cooling liquid technology, applied in the equipment field of this continuous casting method, can solve the problems affecting hot tearing, surface gap casting grade, etc., to eliminate hot tearing or cold tearing, easy to design, easy to cool control effect

Inactive Publication Date: 2007-10-17
SO & SO SOMMERHOFER OEG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But these parameters will affect hot tearing, the development of surface cracks and possibly the grade of the casting

Method used

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  • Continuous casting method
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Embodiment Construction

[0041] Figure 1 shows a strand 4 with a vertical exit direction. With a completely filled strand cooler 5 cooling takes place in a completely new way. In some respects, the operation of this cooler 5 is similar to that of heat exchangers in the chemical industry. The melt 1 is injected into the mold 3 from the funnel 2 (which can be heated), and the melt 1 solidifies at the outlet of the mold due to the cooling of the strand 4 by the liquid metal coolant 8 provided over the entire length of the cooling device. The cooling liquid 8 fills the entire interstitial chamber 11 between the surface of the strand 4 and the inner surface of the duct 12 which surrounds the strand 4 . The temperature of the strand 4 decreases during its passage through the strand cooling device 5 until reaching the end of the movement. The slab cleaning device 7 ensures that the cooling liquid 8 slides off from the slab 4 .

[0042] Different from general heat exchangers, the cold cooling liquid 8 is i...

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PUM

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Abstract

The invention concerns the continuous casting of metals of all kinds by direct cooling with liquid metal or ionic liquid as coolant, for direct cooling of the strand (4). According to the invention, the coolant is directed to the strand (4) in at least one jet (10) and flows in a turbulent flow in this jet.

Description

technical field [0001] The present invention relates to a continuous casting method of various metals, and equipment used in the continuous casting method. Among them, the liquid metal is used as the cooling liquid to directly cool the slab. Background technique [0002] Several prior art documents reflect this approach: [0003] US Patent Publication No. US 3430680A discloses a cooling method. The cooling method is provided with a vertically oriented conduit through which cooling fluid flows due to gravity. A nozzle is inserted centrally into said conduit, through which the metal to be cast passes through the nozzle at the same velocity as the cooling liquid in order to avoid any shear or other disturbances at the liquid-to-liquid interface. The metal to be cast starts to solidify from the contact surface towards the central region of the strand and eventually hardens enough to separate from the cooling liquid. Apart from the great difficulty of getting the two separate ...

Claims

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Application Information

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IPC IPC(8): B22D11/01B22D11/124
CPCB22D11/1241
Inventor 胡波特·莎莫浩夫彼得·莎莫浩夫
Owner SO & SO SOMMERHOFER OEG