Molten steel composition continuous detection system and method

A detection system and technology for molten steel composition, applied in the field of continuous detection system of molten steel composition, can solve the problems of low detection accuracy and hit rate of chemical composition and content, large investment and maintenance workload of detection equipment, etc., and achieve low equipment investment and compact design. , the effect of reliable work

Pending Publication Date: 2017-06-20
余杨
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Problems solved by technology

In addition, the temperature, chemical composition and content of the converter molten steel detected by the system are indirectly predicted based on the collected flue gas (such as N2) content, not direct detection. The rate is low, and the investment and maintenance workload of testing equipment is relatively large

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  • Molten steel composition continuous detection system and method
  • Molten steel composition continuous detection system and method
  • Molten steel composition continuous detection system and method

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Embodiment Construction

[0026] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] Example, figure 1 A continuous detection system for molten steel composition, mainly composed of detection nozzle 1, detection probe 2, light source probe I3, light source probe II4, inert gas injection inlet 5, optical fiber cable interface 6, optical fiber cable I7, optical fiber cable II8, light source Receiver 9, industrial camera I10, spectrometer 11, industrial camera II12, temperature database 13, element database 14 and measurement computer 15 are composed.

[0028] figure 1 Among them, A is the furnace body of the steelmaking converter, and B is the oxygen blowing (O 2 ) oxygen lance, D is the molten steel surface, E is the molten steel light source, θ is the inclination angle between the detection probe 2 and the molten steel surface D, Ar / N 2 is an inert gas, G is the atomic recombination spectrum, and M is the temperat...

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Abstract

The invention discloses a molten steel composition continuous detection system and method. The system comprises a detection channel and an analytic unit arranged on a converter body A, wherein a light source probe is arranged in the detection channel and used for acquiring information of a molten steel light source E; atomic characteristic spectrum composite light contained in the information E the molten steel light source E is decomposed into an atomic composite spectrum G by the analytic unit, and the atomic composite spectrum G and an element database in the computer are analyzed and calculated; and the analytic unit restores the information of the molten steel light source E into a temperature spectrum M, and the temperature spectrum M and the temperature data in the temperature database in the computer are compared and analyzed. The method implements continuous real-time accurate on-line detection, display and control on the molten steel temperature / key chemical element composition and contents. The system has the advantages of compact design, quick and convenient assembly, low equipment investment and high working reliability, is suitable for different tonnages of large / small converters, and is suitable for any different tonnage of various metallurgical furnaces, metal mixers, continuous caster intermediate tanks and the like in principle.

Description

technical field [0001] The patent of the invention belongs to the technical field of smelting production testing equipment, and relates to a continuous testing system and method for molten steel components. Background technique [0002] In the modern steelmaking process, the end point control of molten steel smelting must be carried out, that is, the control of the chemical composition and temperature of the metal at the end of the top-bottom combined blowing converter steelmaking blowing (end of oxygen blowing) simultaneously meets the tapping requirements of the planned steel type. In order to realize the control requirements of the end point of molten steel smelting, it is necessary to measure the temperature of molten steel, the composition and content of chemical elements, so as to realize the accurate online detection and control of the temperature of molten steel at the end point of converter steelmaking and the composition and content of key chemical elements. Today,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G01J5/00C21C5/46
CPCG01J5/0044G01N21/25C21C5/4673
Inventor 余杨
Owner 余杨
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