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High-temperature experimental apparatus and method for research on mechanism of continuous casting soft-reduction

An experimental device, soft reduction technology, applied in the research of continuous casting soft reduction mechanism, high temperature experimental device field, to achieve the effect of simple device, strong safety and high safety factor

Inactive Publication Date: 2012-07-25
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the high-temperature research on this problem relies on field data, which has caused great limitations to the research

Method used

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  • High-temperature experimental apparatus and method for research on mechanism of continuous casting soft-reduction
  • High-temperature experimental apparatus and method for research on mechanism of continuous casting soft-reduction
  • High-temperature experimental apparatus and method for research on mechanism of continuous casting soft-reduction

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Effect test

Embodiment 1

[0042] Using the experimental device and experimental method of the present invention, the research and analysis of the light reduction mechanism of GCr15 bearing steel blooms of 260mm×260mm produced by a certain factory were carried out. ① Make the inner cavity of the main body of the casting mold into a square, brush the refractory material evenly on the inner wall, and fully bake until it is completely dry; after the main body of the casting mold is cooled, install it on the workbench, and install the protective nut, jack, thermocouple, each The electrical components and casting mold caps are installed in place; the testing components are adjusted and ready for casting. ② Casting starts, pour 10kg of smelted molten steel through the mouth of the mold for casting, and turn on the temperature, displacement, pressure measuring elements and data acquisition card for data measurement and collection. ③Start the jack, perform light pressing, and stop the pressing operation after r...

Embodiment 2

[0044] Using the experimental device and experimental method of the present invention, the research and analysis of the mechanism of light reduction was carried out on the Q235 steel slab of 210mm×1200mm produced by a certain factory. ① Make the inner cavity of the main body of the casting mold into a rectangle according to the ratio of the section of the slab, brush the refractory material evenly on the inner wall, and fully bake until it is completely dry; after the main body of the casting mold is cooled, install it on the workbench, and install the protective nut and jack in turn , thermocouples, various electrical components and casting mold caps are installed in place; debug all detection components and prepare for casting. ② Casting starts, pour 15kg of smelted molten steel through the mouth of the casting mold for casting, and turn on the temperature, displacement, pressure measuring elements and data acquisition card for data measurement and collection. ③Start the ele...

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Abstract

The invention provides a high-temperature experimental apparatus and a method for research on mechanism of the influence of continuous casting soft-reduction to a casting blank solidification structure, belonging to the technical field of continuous casting in steelmaking. The high-temperature experimental apparatus is characterized by implementing a high-temperature experiment which is extremelyclose to field conditions at the steelmaking temperature of 1500-1600 DEG C and the high-temperature experimental apparatus has the characteristics of being smart in design and high in safety factor,experiment precision and repeatability. The method is easy to operate; the size of different movable walls and detachable fixed walls as well as the shape of the inner cavity of a casting mould body is designed as required; and the casting blanks with different sections are subjected to soft-reduction at different positions. The high-temperature experimental apparatus and the method are suitable for application and generalization and can implement continuous casting soft-reduction in a laboratory; experimental data can be saved in a real-time manner and experimental samples meet various inspection requirements; and the high-temperature experimental apparatus and the method have significance in deep research on the mechanism of continuous casting soft-reduction.

Description

[0001] Technical field [0002] The present invention is a steelmaking continuous casting technology field. It specially provides a high -temperature experimental device and method for the research on the research of lighting and lighting mechanisms. It is of great significance for studying the tissue solidification and deformation mechanism of steelmaking continuous cast -off steel. [0003] Background technique [0004] After pulling out the crystal device, the central liquid phase continues to enrich the impurities and harmful elements in the steel under the influence of the crystallization of the crystals.Undeverediaries of liquid phase, coupled with the complexity of the end -coagulary tissue, causing defects such as macro bias in the center of the cast blank.In order to improve the quality of casting the blank, since the 1990s, the technology is applied to the continuous casting process, which has improved the quality of the casting blank to a certain extent. [0005] Howev...

Claims

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Application Information

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IPC IPC(8): B22D11/00
Inventor 张立强包燕平王敏彭尊林路王毓男李怡宏马文俊王睿黄杰
Owner UNIV OF SCI & TECH BEIJING
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