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首页> 外文期刊>Mining Engineering >Increasing Kaltim Prima Coal overland conveyor speed to 8.5 m/sec (28 ft/sec)
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Increasing Kaltim Prima Coal overland conveyor speed to 8.5 m/sec (28 ft/sec)

机译：将Kaltim Prima Coal陆上输送机速度提高到8.5 m / sec（28 ft / sec）

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The upgrade has successfully lifted the OLC capacity, which translates into increased revenue and lower conveying unit cost. The upgrade to a higher belt speed conveyor produces more coal at less overall cost. The upgrade was made possible by accumulated knowledge and accurate understanding of each part of the system. Design conservatism was removed by rationalization of previous design criteria and the adoption of newly developed industry standard. The adoption of new DIN 22101 standard rationalized belt rating selection and belt tension limit review. Accurate dynamic calculation is required for higher speed conveyor application. The upgrade provided the opportunity to improve the system design. Collaboration with equipment manufacturer on reviewing the impact of higher belt speed to the conveyor components was an important factor to the successful upgrade implementation. Except for the drive pulley's lagging wear being investigated, there has been no evidence of increasing wear of other components at higher belt speed operation. There has been no evidence of system availability deterioration due to higher belt speed operation. Idler alignment and constant feed without gaps are necessary to keep the belt tracking nicely. The upgrade performance verifies the reliability of high-speed belt operation and establishes state-of-the-art long conveyor design standard to be adopted for other applications. The successful upgrade of KPC's OLC to 8.5 m/sec (28 ft/sec) belt speed supports the approach to use belt speed as a design criterion. (References available from author)
机译：升级成功提升了OLC的容量，这转化为收入增加和输送单位成本降低。升级为更高的皮带速度输送机可以以更少的总成本生产更多的煤炭。积累的知识和对系统各部分的准确理解使得升级成为可能。通过合理化先前的设计标准和采用最新开发的行业标准，消除了设计保守性。采用新的DIN 22101标准，合理选择皮带等级并审查皮带张力极限值。更高速度的输送机应用需要精确的动态计算。升级为改进系统设计提供了机会。与设备制造商合作，审查更高的皮带速度对输送机部件的影响，是成功实施升级的重要因素。除了正在研究驱动皮带轮的滞后磨损外，没有证据表明在更高的皮带速度下其他部件的磨损会增加。没有证据表明由于更高的皮带速度运行会导致系统可用性下降。惰轮对准和恒定进给且无间隙是保持皮带良好跟踪所必需的。升级性能验证了高速皮带运行的可靠性，并建立了可用于其他应用的最新的长型输送机设计标准。 KPC的OLC成功升级到8.5 m / sec（28 ft / sec）的皮带速度，支持使用皮带速度作为设计标准的方法。 （作者提供参考）

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