As a food additive, sodium tripolyphosphate can be used in meat products, aquatic products, dairy products, fruit juice beverages, etc. as a water-retaining agent and quality improver; used in ham and steaks to make meat tender and smooth and improve taste; used in seafood and river fresh Weight gain and water retention; used as an antioxidant for fruit juice beverages to extend shelf life; used as a dispersant for beans and dairy products. In addition, it can also be used as a water softener, thickener, etc. in the industrial field. In the food industry or industrial field, sodium tripolyphosphate is generally configured as a solution for use. At present, most sodium tripolyphosphates are put into water and instantly hydrate to form sodium tripolyphosphate hexahydrate. Sodium tripolyphosphate hexahydrate has low solubility and is Oversaturated state, causing material to agglomerate.