Automatic argon blowing method and system of steel ladles

Abstract

The invention relates to an automatic argon blowing method and system of steel ladles. The method comprises the following steps: S1, setting the types and target temperature Ts of steel, and detectingan automatic argon blowing interlocking condition; and S2, performing argon strong-blowing and stirring of the steel ladles when a converter inclination angle reaches a setting value in a steel discharging process, and stopping strong-blowing of the argon after alloys are processed completely; S3, detecting the temperature of molten steel in the steel ladles to obtain real-time temperature Tn; S4, calculating the argon blowing flow and the argon blowing time through a cooling model according to Tn and Ts, and performing argon blowing; and S5, measuring the temperature Ta of the molten steel in the steel ladles again, ending the argon blowing process of the steel ladles when Ta is equal to Ts, and returning to the step S4 when Ta is more than Ts. According to the automatic argon blowing method of the steel ladles provided by the invention, whole-process automatic argon blowing before feeding of the steel ladles onto a continuous casting machine at the beginning of steel output is realized, so that the labor intensity of working personnel is reduced, and the automatic argon blowing operation safety is improved.

Description

technical field [0001] The invention relates to the technical field of steelmaking, in particular to a method and system for automatically blowing argon into a ladle. Background technique [0002] The purpose of argon blowing after steelmaking mainly has four aspects: a. After stirring, the added alloy is fully melted and uniform; b. The temperature of molten steel is reduced to the temperature required for continuous casting; c. The slag inclusions float up; d. Special alloy feed Therefore, the goal of argon blowing control is also carried out around these purposes, and argon blowing is mainly achieved by adjusting and controlling the flow rate of argon blowing. In general, argon blowing can be divided into side blowing, strong blowing, and soft blowing. Strong blowing can achieve a purpose and b purpose, and make the temperature drop rapidly; ordinary blowing or soft blowing are less powerful, which can reduce the exposure of molten steel degree, and promote the floating ...

AI Technical Summary

Problems solved by technology

[0006] The present invention also provides a ladle automatic argon blowing system, including: a blowing control module, an argon blowing control module, a robot control module, an argon gas pipeline, a distance measuring module and a ladle moving module. The whole process of automatic argon blowing control before the ladle is placed on the continuous casting machine solves the problems existing in manual operation

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