【摘要】 介绍了我国磷复肥造粒干燥工序中的喷浆造粒干燥“三内”技术和转鼓造粒干燥“封闭返料”技术的研究现状和工业应用情况。这些技术研制开发的成功为我国的磷复肥造粒干燥技术的发展提供了成功的经验。更多还原

【Abstract】 The paper presents the current situation and industrial application of the internal returns, internal sieving and crushing technology for spray granulator-dryer and the closed recycle technology for rotarykiln granulating process. These technologies offer a good reference for the development of granulating and drying process for phosphate and compound fertilizer in China.更多还原