重过磷酸钙—尿素系复肥生产技术简论

Summary of Concentrated Superphosphate - Urea Series Compound Fertilizer Production Technology

国内重过磷酸钙、尿素供应可靠 ,充分利用这两种原料生产高浓度复合肥 ,不仅生产成本较低 ,且能缓解国内重过磷酸钙和尿素的销售压力。就重过磷酸钙—尿素系复肥小型生产装置 ,介绍了其工艺流程和主要控制参数 ,并提出了提高产品水溶性的措施。

The supply of concentrated superphosphate and urea in China is reliable.The production of high concentrated compound fertilizers by fully utilizing these two raw materials will not only reduce the production cost,but also alleviate the sales pressure of concentrated superphosphate and urea in China.For the small production plant of concentrated superphosphate and urea series compound fertilizers,its process flow and main control parameters are introduced.And the measures to increase the product's water solubility are proposed.