为了解决当前煤炭码头所使用的带斗门机料斗给料系统存在的不适应多煤种装卸作业的情况，对给科系统进行了改造。分析了问题症结，详细介绍了方案的确定和方案的实施。改造提高了效率、降低了营运成本。%In order to solve the problem that the feeding system of portal type bucket crane is not suitable to multi-kinds of coal, a reform on the feeding system is carried out. The symptom is analyzed. The plan determination and plan implementing are introduced in detail. The handling effect of the crane has been raised and the running cost has been reduced after reform.
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