Why is a rod mill chosen for the preparation of water-coal slurry?
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Why is a rod mill chosen for the preparation of water-coal slurry for gasification? What are the advantages and disadvantages of rod mills? What is the difference between a rod mill and a ball mill?
I’m not sure; personally, I think the Japanese one is easy to disassemble – you just throw it in and that’s it. The ball seems difficult to operate
Ball mills are also used in slurry preparation, but the particle size distribution produced by ball mills is not as good as that of rod mills, since rod mills have a larger grinding area compared to ball mills.
It is the industry standard: mainstream rod mills and ball mills have gradually been phased out in the production of water-coal slurry. There are two reasons for choosing a rod mill: first, it consumes less energy. Based on the practical experience of a certain factory’s renovation, at the same production capacity, the energy consumption of a rod mill is half that of a ball mill; given the current electricity prices, this represents a significant advantage in terms of energy savings ； Second is the particle size distribution of the slurry; the product obtained from rod mills is more suitable for water-coal slurry gasification……
Let me add that – should we aim for a finer particle size or go with a ball mill?
I remember when foreign gasification technologies were introduced; the earliest units came equipped with ball mills. As for those that now use ball mills, it’s the second phase of Yankuang Rongxin Chemical that uses them
Hehe, we also have ball mills here; they are used in conjunction with rod mills to achieve the desired degree of pulverization for production, thereby increasing the pulp concentration
Oh, in terms of particle size distribution, what is the concentration of your coal slurry? What kind of coal is being used?
Shenhua’s coal has a concentration of 60–65
Do you have a device for thickening coal slurry?
No, there isn’t. Could you give a detailed introduction? ? WeChat: zhandijizhe666