Method for evaluating metallurgical coke

A technology of metallurgical coke and coke, which is applied in the field of evaluating metallurgical coke by using blast furnace tuyere coke, which can solve problems such as poor evaluation and characterization, and achieve the effect of protecting the ecological natural environment, large economic benefits and social benefits

Active Publication Date: 2018-08-14
BAOTOU IRON & STEEL GRP
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Problems solved by technology

[0007] In view of the above-mentioned problems and defects of the prior art, the technical problem to be solved by the present invention is that the evaluation of metallurgical coke by using blast furnace tuyere coke in the prior art cannot be well evaluated and characterized in the characteristic behavior of coke in the blast furnace

Method used

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Embodiment

[0048] First of all, according to the different types of coking coals and blending coals used in the region, comprehensively and carefully measure the relevant basic technical parameters that characterize the single type of coking coal, blending coals and coke, such as moisture, ash, volatile matter, sulfur, coke wear resistance m 10 , crushing strength M 40 , coke thermal reverse CRI, post-reaction strength CSR, coke optical microstructure isotropic organization ΣISO and coke ash component mineral catalytic index MCI and other basic detection indicators, accumulating a large amount of test data. On the premise of comprehensive and accurate detection and accumulation of data, the data information database is established by using the theory of data statistics.

[0049] Then, through a lot of analysis and research, and with the help of data analysis model analysis, the influence weight of each main technical parameter of metallurgical coke in the blast furnace behavior is deter...

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Abstract

The invention discloses a method for evaluating metallurgical coke, which comprises several steps of determining and characterizing the relevant basic technical parameters coking single coal and matched coal in different areas to establish a data information base, analyzing the influence weight of the main technical parameters of the metallurgical coke on the behavior of the blast furnace, determining the core parameters for evaluating the quality performance of the metallurgical coke to establish a mathematical equation of the thermal state of the tuyere coke, obtaining the coke thermal reaction property and the post reaction strength of the coke property of the tuyere through putting the core parameter data of the furnace coke into the thermal state performance mathematical equation of the tuyere coke and characterizing the quality of the metallurgical coke in the blast furnace smelting process. The method for evaluating metallurgical coke provides a new scientific basis for reasonably utilizing the low-deterioration degree coking coal with abundant reserves and low cost, and has great economic and social benefits.

Description

technical field [0001] The invention relates to the technical field of metallurgical industry, in particular to a method for evaluating metallurgical coke by using blast furnace tuyere coke. Background technique [0002] Metallurgical coke is the basic key material of modern blast furnace ironmaking, and plays an important and irreplaceable role in blast furnace smelting. It is mainly reflected in: first, the heat source function of coke, which provides a large amount of heat required for ore reduction and melting. In blast furnace ironmaking, the heat supplied by coke accounts for more than 75% of the total heat required; second, the reduction of coke Whether it is direct reduction or indirect reduction, the reduction of ore in the blast furnace relies on coke to provide rich reducing gas CO; the third is the supporting skeleton of coke. The only material that remains lumpy above the tuyere area of ​​​​the blast furnace is coke, especially dripping The iron ore and the sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/0639G06Q50/02
Inventor 江鑫李晓炅徐芹李春燕陈影付利俊
Owner BAOTOU IRON & STEEL GRP
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