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| Application of Roller Sheath and Lining of Coal Mill with Three Different Materials |
| Anhui Guangde South Cement Co., Ltd. |
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Abstract Three kinds of roll sleeves and liners of different materials used successively in ZGM113G-I medium speed coal mill are introduced. The chemical composition and casting process characteristics of roll sleeve and liner were analyzed. The effects of wear rate, service life and wear shape of roll sleeve and liner on the performance of coal mill were compared. The results show that the performance of high chromium surfacing products is slightly better than that of high chromium casting products. Composite melt-casting cermet products are much better than the first two products. Their service life can reach 16 070h. At the same time, the maintenance cycle is prolonged greatly, the output of coal mill is increased, the unit power consumption is reduced and the performance price ratio is high.
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Received: 28 June 2019
Published: 24 September 2019
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