Evaluation method of fat coal quality
An evaluation method and fat coal technology, applied in the petroleum industry, instruments, data processing applications, etc., can solve the problems of coal quality evaluation and difficult to fully control, and achieve the effect of reducing the fluctuation range of thermal performance
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[0017] The present invention will be further described in detail through specific embodiments below.
[0018] The proportion of fat coal in an enterprise is 20%, the dry basis ash content of the fat coal is ≤9.00%, and the sulfur content is ≤0.6%. The specific coal blending plan is:
[0019] Coking coal: 40%; fat coal: 20%; 1 / 3 coking coal: 25%; lean coal: 15%.
[0020] Coking coal, 1 / 3 coking coal, and lean coal remain unchanged, and four groups of different fat coals are taken, and coal blending is carried out according to the above-mentioned ratios for coking, and the coke strength after thermal reaction (CSR) is obtained. The relevant data are shown in Table 1.
[0021] Table 1 The strength of coke after thermal reaction after coal blending with different fat coals
[0022] coal sample
X / %
MF / ddpm
b / %
CSR / %
Fat coal 1#
40
60000
150
65.65
Fat coal 2#
40
5976
100
63.01
Fat coal 3#
60
4000...
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