The fault of NP granule bucket elevator and its countermeasures are presented. After modification the operation meet the needs of the production.
介绍硝酸磷肥颗粒斗提机发生故障的原因，针对故障部位进行技术改造。改造后斗提机运行满足了生产需要。
Some problems presented during QLK680.28 reclaimer′s bucket-wheel mechanism running, the scheme to modify it and the effect after modification were presented in this paper.
介绍了湘钢烧结厂QLK680 2 8斗轮取料机悬臂头部斗轮机构在运行中存在的问题，以及针对这些问题进行改造的方案设计、实施情况和改造后的效果。
Some problems presented during QLK680.28 reclaimer′s bucket-wheel mechanism running, the scheme to modify it and the effect after modification were presented in this paper.
介绍了湘钢烧结厂QLK680 2 8斗轮取料机悬臂头部斗轮机构在运行中存在的问题，以及针对这些问题进行改造的方案设计、实施情况和改造后的效果。
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