The wear characteristics of coal particles is a relatively slow crushing process, and its influence is concentrated between solid particles and between solid particles and hard refractory and wear-resistant materials, metal heating surfaces and other related components in the furnace. The particles are made by friction. The surface is gradually worn to form smaller fine particles. Different from pyrolysis crushing, the process of reducing particle abrasion will not cause a significant increase in the number of particles of the same order, but a lot of dust will be generated. However, pyrolysis fragmentation will increase the relationship of the absolute number of particles of the same order, and the amount of dust generated is very limited.
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