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煤的脱水干燥在湿法分选的选煤厂和输煤管道等工艺流程中占有重要的地位,在输煤管道系统中更是关键环节。美国黑迈萨管线中,煤泥脱水干燥的成本要占总成本的51％。煤泥脱水干燥的重要性不仅表现在设备投资中所占的比重,同时还影响到贮运、使用、污染控制和出口商检指标等。因此,煤泥脱水干燥问题日趋突出。
The dehydration and drying of coal occupies an important position in the process of wet separation, such as coal preparation plant and coal conveying pipelines, and is also the key link in the coal pipeline system. In the United States Melaleuca pipeline, slime dehydration and drying costs account for 51% of the total cost. The importance of slime dehydration and drying is not only reflected in the proportion of equipment investment, but also affect the storage, use, pollution control and export commodity inspection targets. Therefore, slime dehydration drying problems have become increasingly prominent.