The process adopts 1# and 2# defluorination reagents to purify wet-process phosphoric acid and produces granular DCP by granulating and drying the slurry directly without filtration and curing.

• 该工艺采用1%23、2%23脱氟剂净化湿法磷酸生产饲钙，且不经过过滤和熟化，采用料浆直接造粒干燥而得粒状饲钙。