论文部分内容阅读
云南云天化股份有限公司云峰分公司300 kt/a磷酸二铵装置,由于产品包装温度偏高、筛分工艺落后等原因导致产品易结块;此外,生产中添加的尿素或氯化铵等提氮物质加料不均易产生花料,导致产品褪色。分析肥料结块原因,通过对冷却系统、筛分系统、包裹机进行改造,提高原料磷酸质量,以及将尿素以溶液形式加入造粒机,有效解决了产品结块及褪色问题。
Yunnan Yuntianhua Co., Ltd. Yunfeng branch 300 kt / a DAP device, due to the high temperature of the product packaging, screening and other reasons behind the cause of the product caking; In addition, the production of urea or ammonium chloride added Nitrogen material uneven feeding easy to produce flowers, resulting in product discoloration. Analysis of fertilizer caking causes, through the cooling system, screening system, parcel machine transformation, improve raw material phosphoric acid quality, as well as the solution of urea into the pelletizer, effectively solve the product caking and fading problems.