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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。
This paper introduces the research status and industrial application of the “three-in-one” technology of spray granulation and drying and the “closed material return” technology of drum granulation drying in the granulation and drying process of phosphate compound fertilizer in China. The successful development of these technologies for China’s phosphate compound granulation drying technology provides a successful experience.