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| Practice of Improving Quality and Reducing Consumption of CLM1700 Coal Mill |
| Qinghai Qilianshan Cement Co., Ltd. |
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Abstract The reasons for the low fineness passing rate and high power consumption of CLM1700 coal mill are analyzed, and the problems such as high differential pressure of coal mill dust collector and high system resistance are rebuilt. Through technical measures such as increasing the dust collector pulse valve, increasing the area of the air outlet pipe of the separator and the area of the air inlet of the cyclone, the differential pressure of the dust collector is reduced from 4 500Pa to 1 300Pa, the passing rate of coal powder fineness is greatly improved, and the process electricity consumption is reduced from 33kW·h/t to less than 24kW·h/t, which receive a good improvement effect.
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Received: 08 January 2021
Published: 21 July 2021
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