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Cold experiment method of solidification process

An experimental method and cold state technology, applied in the field of continuous casting of iron and steel, can solve the problems of complex molten steel solidification simulation device, inability to observe molten steel crystallization and segregation behavior, etc., to improve heating effect or cooling effect, improve cooling effect, improve Effects of analog effects

Active Publication Date: 2019-01-08
MAANSHAN SHANGYUAN METALLURGICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of this application scheme is that the molten steel solidification simulation device of this application is relatively complicated, and the crystallization and segregation behavior of molten steel cannot be observed.

Method used

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  • Cold experiment method of solidification process
  • Cold experiment method of solidification process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] In the method of simulating the solidification process of molten steel in this embodiment, the hot water in the hot water tank 210 enters the heat exchange pool 200 through the pipeline, and the hot water in the heat exchange pool 200 heats the metal plate 130; the transparent heating film 120 heats and insulates the side wall and bottom of the test pool 100; then pours the test solution into the test pool 100, and after the hot water in the heat exchange pool 200 is discharged, the cold water in the cold water tank 220 enters the The heat exchange pool 200, the cold water in the heat exchange pool 200 cools the metal plate 130, the experimental solution crystallizes on the surface of the metal plate 130, and crystallizes inside the experimental solution, and the crystallization process is observed with the observer 400. combine Figure 5 As shown, the specific steps are:

[0043] Step 1: Heat and keep warm

[0044] The transparent heating film 120 installed on the outs...

Embodiment 2

[0060] The basic content of this embodiment is the same as that of Embodiment 1, except that the water outlet 202 is connected to the water inlet end of the second water pump 310 through a pipeline, and the water outlet end of the second water pump 310 is connected to the hot water inlet pipe 510 through a pipeline. The hot water pipe 510 is located on the top of the hot water tank 210, so that the water outlet 202 is indirectly connected to the hot water tank 210, and the hot water used in the preheating process can be circulated into the hot water tank 210 through the hot water inlet pipe 510. The hot water is recycled, which greatly saves hot water resources; and the hot water inlet pipe 510 is provided with a hot water inlet valve 212 for controlling the recovery and treatment of hot water; the outlet end of the second water pump 310 passes through the pipe and The cold water inlet pipe 530 is connected, and the cold water inlet pipe 530 is located at the upper part of the ...

Embodiment 3

[0062] combine image 3As shown, the basic content of this embodiment is the same as that of Embodiment 1, except that the first water pump 300 will generate air bubbles during pumping, and the air bubbles will adhere to the surface of the metal plate 130 . One end of the test pool 100 is provided with a slide rail, the slide rail is located at the bottom of the metal plate 130, the bubble brush 140 is slidably installed on the slide rail, the bubble brush 140 is provided with a servo motor 150, and the servo motor 150 is used to drive the bubble brush 140. Slide back and forth along the length of the slide rail; the side of the bubble brush 140 with the brush plate is in contact with the surface of the metal plate 130, and the bubble brush 140 can erase the bubbles attached to the surface of the metal plate 130 during the reciprocating motion , so that the attached air bubbles are separated from the surface of the metal plate 130, and the separated air bubbles are discharged ...

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Abstract

The invention discloses a cold experiment method of a solidification process and belongs to the technical field of continuous casting of steel. The cold experiment method of the solidification processcomprises the steps as follows: firstly, side walls of an experiment tank of an experiment device are heated; hot water in a hot water tank is pumped into a heat exchange tank by a first water pump through a pipeline, and hot water in the heat exchange tank performs heating and heat insulation on a metal plate; when the temperature of the metal plate, the side walls of the experiment tank and a bottom plate is not lower than that of an experiment solution, the experiment solution is poured into the experiment tank; hot water in the heat exchange tank and the pipeline is drained; cold water ina cold water tank enters the heat exchange tank through a pipeline, cold water in the heat exchange tank cools the metal plate, the experiment solution crystallizes and precipitates on the surface ofthe metal plate, and the crystallization process is observed by an observation instrument. The method can simulate crystallization and segregation behaviors of molten steel in the solidification process.

Description

technical field [0001] The invention relates to the technical field of continuous casting of iron and steel, and more specifically relates to a cold-state experimental method of solidification process. Background technique [0002] In the process of steelmaking, the solidification process of molten steel has certain influence on the physical and chemical properties of steel, so it is necessary to study the solidification process of molten steel. At present, the research on the solidification process of molten steel at home and abroad is the study of the static structure of molten steel after solidification. For the dynamic research in the solidification process of molten steel, it is difficult to observe the crystallization behavior in the solidification process of molten steel at high temperature, so It is urgent to design and implement a method for simulating the solidification process of molten steel, so that the research on crystallization and segregation behavior during...

Claims

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Application Information

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IPC IPC(8): G01N25/14
CPCG01N25/142G01N25/147
Inventor 高飞翔刘海宁朱正海
Owner MAANSHAN SHANGYUAN METALLURGICAL TECH CO LTD
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