Prediction method of coke thermal performance
A prediction method and thermal performance technology, which is applied in the field of coal chemical industry, can solve the problems of unfavorable blast furnace stable production, large fluctuations in the thermal performance of upper coke, and large differences in coking performance, etc., to achieve the effect of stabilizing blast furnace production and small fluctuations
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[0027] Concrete embodiment sees as follows:
Embodiment
[0029] The mixed coal contains gas coal, fat coal (fluidity 20000ddpm, b value 180%), 1 / 3 mass coking coal 1﹟ (fluidity 1500ddpm), 1 / 3 mass coking coal 2﹟ (fluidity<200ddpm), coking coal ,lean coal;
[0030] Select at least 7 coal blending schemes according to the type of coal, see Table 1 below for details:
[0031] Table 1 Coal blending scheme
[0032]
[0033] CSR=K+K 1 ×C 粗 +K 2 ×F 纤维+片状 +K 3 × T 同性 +K 4 ×X 1 lg MF1+K 5 ×X 2 lg MF2+K 6 ×X 2 b (1)
[0034] According to different coal blending structures for coking, the coking microstructure of each blending coal is shown in Table 2 below:
[0035] Table 2 Coke microstructure of various coal blends
[0036]
[0037] Substituting the above results into formula (1), the following formula (2) is obtained:
[0038] CSR=41.0+0.613∑X 粗粒 -0.249∑X 纤维 +2.32X 1 / 3焦 lm w 1 / 3焦 +4.78X 肥 lm w 肥 +0.0781X 肥 b 肥 -0.200X 同性 (2)
[0039] Through the prediction model of thermal properties of coke, the key ind...
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