Ash content in coke
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In what proportion is the ash content in coal transferred to coke?
100% of the ash content in the coal fed into the furnace is converted into coke; volatiles and coking efficiency must be taken into account in the calculations.
Here’s an empirical value; it’s based on real results obtained from my work at a coking plant through the collection of production data. The premise here is an analysis of the data regarding the quality of coke that contains 80% fixed carbon; with a coal ash content of 15% and a coke ash content of 19%, the coke ash content is thus 1.27 times that of the coal ash content.
For different coal types, the proportion of transformation of ash and volatile matter varies; it also differs depending on the type of furnace, with the actual conversion rate being the key factor.
The ash content of coal multiplied by the coking degree. The coking index of coal is calculated based on the moisture and volatile matter content of the coal fed into the furnace. It is generally between 1.15 and 1.35.
Ash is mainly mineral inorganic salts, and it does not transfer during the coking process~
All the ash from the coal blend is transferred to the coke.
It is generally between 1.15 and 1.35
The ash in coke refers to the impurities that do not participate in combustion, with the main components being those that transfer 100% from the coal used in its production to the coke.