4.3 Coal-to-coke ratio in rammed coke ovens
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The coal-to-coke ratio of the ramming coke ovens in our plant is above 1.4, which is quite high; I wonder what it is in other plants? :handshake Last edited by liuze78 on 2008-3-14 11:05 ]
If the volatile content is a bit higher, 1.4 is quite normal.
The proportion of compacted gas coal that can be used can exceed 40%; isn’t 1.4 too low?
First, check whether the production volume of your chemical products is high; matter is conserved. The high coal-coke ratio is due, in part, to the high volatiles content in the coal; another reason is incorrect statistics regarding the amount of coal fed into the furnace and the amount of coke produced. In current coking production, many figures are estimates, so the deviations are quite large. The volatile matter content is between 29 and 30; your figure is possible, but your other chemical production volumes should be relatively high. This post was last edited by ryn on 2009-2-9 17:25.]
Our plant’s volatile matter content is 26, and the coal-to-coke ratio is around 1.3
The key lies in the intensity of coking; high volatile matter generally leads to a decrease in mechanical strength due to coking, unless high-viscosity coal is used.
1:1.3~1.4 is quite normal, and it is closely related to the composition of the coal blend
Our plant’s volatile matter content is 26–27%, and the coal-to-coke ratio is 1.27–1.3
At our factory, the mixing ratio is changed 3 times a day, and the types of coal used are very varied
The coal coke ratio should be around 1.285, with a volatility of 27–28.5
The coking rate of the coke produced in our plant is 75%, which is equivalent to a ratio of 1.33:1
Our plant produces compacted coke with a volatility of around 26, and a coal-to-coke ratio of 1.28–1.29
The volatile matter content in our plant is around 26, and the coal-to-coke ratio does not exceed 1.3.
Our factory’s figure is around 1.33–1.37