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2014

Release time:

2024-07-12

In November 2014, the technical upgrade for Phosphate Line 2# was officially launched. This involved merging the extraction tanks from Lines 1# and 2#, adopting the mature process from Phosphate Line 3#, using flash evaporation vacuum cooling for tank cooling, enlarging the old reaction tanks to serve as crystal cultivation tanks, extending gypsum crystallization time to promote crystal formation, reducing phosphorus inter-crystalline loss, and lowering residual phosphorus in gypsum.

2014年11月份，磷酸2#线技改正式启动，将原来的1#、2#线的萃取槽进行合并，采用成熟磷酸3#线工艺，萃取槽降温采用闪蒸真空冷却，老反应槽加大变为养晶槽，增加石膏的结晶时间，促进晶体形成，减少了磷的晶间损失，降低石膏残磷。新增DCS控制系统，记录生产操作、运行过程，自动生成报表，使工艺指标控制更加真实。

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