我公司 3万吨 /年磷铵装置系 80年代国产磷酸二铵工艺技术 ,原料属矿粉制浆工艺 ,磷酸为二水物萃取工艺 ,浓缩为石墨列管加热器真空蒸发工艺 ,磷铵为预中和传统法转鼓造粒工艺。本套装置因已停产 8年 ,部分设备老化并严重腐蚀 ,部分工艺也比较落后。因此 ,恢复生产时 ,对这套装 My company 30,000 tons / year ammonium phosphate plant is made in the 1980s DAP technology, raw materials are mineral pulping process, phosphoric acid dihydrate extraction process, concentrated to graphite tube heater vacuum evaporation process, ammonium phosphate is Pre-neutralize the traditional method drum granulation process. The device has been discontinued for 8 years, some of the equipment aging and serious corrosion, some of the technology is relatively backward. So, resume production when it comes to this set