Composite probe, converter sublance and molten steel measuring method

A molten steel and converter technology, applied in the direction of manufacturing converters, etc., can solve the problems that affect the measurement success rate, the measurement data cannot be correlated analysis, etc., and achieve the effect of improving the measurement success rate

Pending Publication Date: 2022-05-06
SGIS SONGSHAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, two miniature fast thermocouple sensors are used for the temperature measurement system and the carbon content detection and analysis system respectively. The two measurement systems are independent, and the measurement data cannot be correlated and analyzed, which affects the measurement success rate.

Method used

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  • Composite probe, converter sublance and molten steel measuring method
  • Composite probe, converter sublance and molten steel measuring method
  • Composite probe, converter sublance and molten steel measuring method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] This embodiment provides a composite probe for information collection during the converter steelmaking process. Specifically, such as figure 1 As shown, the composite probe includes a probe protection tube 1, a temperature measurement component 2, a carbon measurement component 3 and a measurement analysis module ( figure 1 not shown).

[0062] Wherein, the probe protection tube 1 is used to protect the temperature measuring component 2 and the carbon measuring component 3 to prevent them from being damaged when they are inserted into the high-temperature molten steel. A sample inlet 11 communicating with the inner cavity of the probe protection tube 1 is opened. One end of the temperature measurement component 2 is packaged in the probe protection tube 1, and the other end protrudes from the nozzle of the probe protection tube 1. The end of the temperature measurement component 2 protruding from the probe protection tube 1 can measure the temperature of molten steel ...

Embodiment 2

[0093] This embodiment provides a composite probe. The difference between this embodiment and Embodiment 1 is that in this embodiment, the composite probe further includes a sampling cup; and / or a molten steel level measuring component; and / or an oxygen measuring component. That is to say, the composite probe provided in this embodiment can have five functions of temperature measurement, carbon determination, oxygen measurement, sampling, and molten steel level measurement, which greatly improves the efficiency of measurement and detection.

[0094] Optionally, the sampling cup is arranged in the probe protection tube 1, close to one end of the temperature measuring component 2, and the mouth of the sampling cup faces outward. When the composite probe enters the molten steel, the molten steel generates a positive pressure, and the molten steel enters the cold sampling cup under the action of the positive pressure, and cools and solidifies into solid steel within a few seconds. ...

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Abstract

The invention belongs to the technical field of converter steelmaking measurement, and discloses a composite probe, a converter sublance and a molten steel measurement method. The probe protection tube of the composite probe is used for protecting the temperature measurement assembly and the carbon measurement assembly and preventing the temperature measurement assembly and the carbon measurement assembly from being damaged when extending into high-temperature molten steel. The end, extending out of the probe protection tube, of the temperature measurement assembly can measure the temperature of molten steel at a designated position, and the carbon measurement element can measure the cooling and condensation temperature of the molten steel flowing into the carbon measurement sampling cavity from the sample inlet. The measurement and analysis module is electrically connected with the temperature measurement assembly and the carbon measurement element, can receive molten steel temperature information measured by the temperature measurement assembly and molten steel cooling and condensing temperature information measured by the carbon measurement element, and compares the molten steel temperature information with the molten steel cooling and condensing information in real time; the two groups of data are output after comparative analysis and complementary confirmation, and the measurement success rate can be improved.

Description

technical field [0001] The invention relates to the technical field of converter steelmaking measurement technology, in particular to a composite probe, a converter sublance and a method for measuring molten steel. Background technique [0002] Various metallurgical physical and chemical reactions in the converter steelmaking process are carried out at the speed of seconds, especially the carbon temperature double hit rate and molten steel level measurement parameters during the converter blowing process and at the end, completely depend on the converter The acquisition function of the composite probe for the sub-gun and the stability and reliability of the collected data. [0003] At present, there are mainly two functional models of composite probes for sub-lances of converters at home and abroad: one model is TCS, which includes three data acquisition functions of molten steel temperature measurement (T), molten steel sampling (S), and molten steel crystallization and car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C5/46
CPCC21C5/4606C21C5/4673
Inventor 郑建忠张达陈奕璇张志标黄晟陈翔霍晓珊旋石婵黄德亮
Owner SGIS SONGSHAN CO LTD
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