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Coke made from Canadian coking coal and coking method

A Canadian coking coal and coal blending technology, which is applied in coking and coking, coking and coking with Canadian coking coal, can solve the problems of low coking performance, low strength, and failure to meet the quality requirements of high-quality metallurgical coke, and achieve the expansion of coking coal resources, the effect of expanding the range

Active Publication Date: 2014-12-24
SHANGHAI MEISHAN IRON & STEEL CO LTD
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Problems solved by technology

[0010] The purpose of the present invention is to provide a coke and coking method with Canadian coking coal, which mainly solves the problem that the coking performance of Canadian coking coal in the prior art is lower than that of high-quality coking coal, and the coke made with it has low post-reaction strength (CSR). Technical problems that do not meet the quality requirements of high-quality metallurgical coke

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  • Coke made from Canadian coking coal and coking method

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Embodiment Construction

[0031] The invention is a kind of coke equipped with Canadian coking coal, which is produced by coking by blending coal in the following mass percentages: 1 / 3 coking coal 10%-15%, gas coal 20%-28%, fat coal 20%-25%, coking coal 25% %~35%, lean coal 5%~10%, Canadian coking coal 5%~10%. Concrete proportioning is shown in Table 1, and Table 1 is specific embodiment, scheme 1 is not equipped with Canadian coking coal, scheme 2 Canadian coking coal proportioning 5%, scheme 3 Canadian coking coal proportioning 8%, scheme 4 Canadian coking coal proportioning 10%, pass The coke strength (CSR) of the coke obtained by coking in a 6m top-loaded coal coke oven is 65% to 70%.

[0032] A kind of coking method that uses Canadian coking coal, comprises the following steps:

[0033] a. Coal blending according to the following mass percentages, 1 / 3 coking coal 10%-15%, gas coal 20%-28%, fat coal 20%-25%, coking coal 25%-35%, lean coal 5%-10%, Canadian coking coal 5% to 10%;

[0034] b. The...

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Abstract

The invention discloses coke made from Canadian coking coal and a coking method, mainly for solving the technical problems in the prior art that the coking property of Canadian coking coal is lower than that of high-quality coking coal, the coke strength after reaction (CSR) of the coke made from the Canadian coking coal is low and cannot meet the quality requirements of high-quality metallurgical coke. According to the technical scheme, the coke made from Canadian coking coal is prepared by mixing and coking the following coal in percentage by mass: 10-15% of 1 / 3 coking coal, 20-28% of gas coal, 20-25% of fat coal, 25-35% of coking coal, 5-10% of lean coal and 5-10% of Canadian coking coal. According to the characteristics of Canadian coking coal, corresponding control indexes including components of used coal ash and types of coal substitutes are provided, and thus the stability of coke quality is ensured when the Canadian coking coal resource is used.

Description

[0001] technical field [0002] The invention relates to a coke and a coking method, in particular to a coke prepared with Canadian coking coal and a coking method, belonging to the technical field of coal chemical industry. Background technique [0003] In recent years, due to the expansion of coking production capacity, the contradiction of shortage of high-quality coking coal resources has become increasingly prominent, especially the supply of high-quality coking coal, which is an important coal for coking coal blending, has become more tense, and has become one of the focuses of competition among coking enterprises. All coking enterprises have to seek new resources overseas. However, due to the different coal-forming conditions of coking coal in various regions, although the volatile matter and caking performance indicators meet the classification standards of domestic coking coal, its coking characteristics and geological characteristics have their own characteristics. ...

Claims

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Application Information

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IPC IPC(8): C10B57/04C10B53/04
Inventor 张文成任学延王春花
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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