Method for carrying out coal source development by comprehensively applying coal petrography indexes
A technology of indicators and coal rocks, which is applied in the field of comprehensively using coal and rock indicators for coal source development, can solve the problems of coal blending analysis and identification, etc., and achieve controllable coal blending costs, stable supply, and widening the selection range Effect
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[0047] Example
[0048] A new type of coking coal in the Luliang area, which replaces the coal type being used as coking coal A. The feasibility determination process is as follows:
[0049] 1. Carry out coal rock analysis on the selected new coal and compare it with the coal being used. Vitrinite group reflectivity and its distribution results are shown in Table 1.
[0050] Sample Reflectance value Standard deviation Types of<0.9
[0051] According to the analysis of coal rock index, Luliang coking coal is a single coal, and it is close to the coal rock index of coking coal A in use.
[0052] 2. Carry out coal quality index analysis and compare with the A index of coking coal in use. The results of conventional index analysis are shown in Table 2.
[0053] SampleA d / % V daf / % S t, d / % G Y / mm X / mm Luliang Coking Coal9.6021.140.94861531.3 Coking coal A in use9.7419.811.23801530.8
[0054] It can be seen from the above table that Luliang coal is a typical coking coal with...
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