The production and process control of specialty fertilizer for tobacco in S-based NPK plant, achieved in Xingyuan Chemical Co. , Ltd, is presented.
介绍湖北宜都星原化工有限责任公司利用硫基氮磷钾装置生产各种规格烟草专用肥的操作和工艺控制。
The S-based NPK capacity enlargement leading to the increase of phosphogypsum in phosphoric acid production, mechanical faults occurred to the twin screw conveyor.
由于S NPK装置扩能，使磷酸生产的副产品磷石膏增加，致使输送磷石膏的双螺旋输送机常发生故障。
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