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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。
Domestic over-calcium phosphate, urea supply reliable, full use of these two kinds of raw materials to produce high-concentration compound fertilizer, not only lower production costs, and can ease the domestic sales of over-double-superphosphate and urea pressure. On the heavy over calcium phosphate - urea compound fertilizer production plant, introduced the process and the main control parameters, and put forward measures to improve the water solubility of products.