介绍硝酸磷肥浓缩加热器结垢原因及技术改造情况。
The cause of scaling in concentration heater and its technical improvement are described.
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。
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。
The fault of NP granule bucket elevator and its countermeasures are presented. After modification the operation meet the needs of the production.
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