| 预中和-单管二次氨化技术生产DAP/NPK复合肥工艺 |
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| 引用本文： | 郑秀兴,洪细安,刘琨,黄式鹏.预中和-单管二次氨化技术生产DAP/NPK复合肥工艺[J].磷肥与复肥,2000,15(4):20-22. |
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| 作者姓名： | 郑秀兴 洪细安 刘琨 黄式鹏 |
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| 作者单位： | 贵溪化肥厂,江西贵溪,335424 |
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| 摘 要： | 分析常压两步中和喷浆造粒工艺、预中和-转鼓氨化工艺、管式反应器工艺生产DAP/NPK的弱点,介绍为克服这些弱点而研究开发的预中和-单管二次氨化技术的主要工艺过程及该工艺的技术特点和比较优势.提供了贵溪化肥厂的试生产及其效益情况,若月产NPK产品2.5万吨,每月可增加经济效益140万元.
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| 关 键 词： | 磷酸二铵 复合肥 工艺 磷酸预中和 单管二次氨化 |
| 文章编号： | 1007-6220(2000)04-0020-03 |
| 修稿时间： | 2000年3月20日 |
Preneutralization single pipe secondary ammoniation process for DAP/NPK |
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| ZHENG Xiuxing,HONG Xian,LIU Kun,HUANG Shipeng.Preneutralization single pipe secondary ammoniation process for DAP/NPK[J].Phosphate & Compound Fertilizer,2000,15(4):20-22. |
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| Authors: | ZHENG Xiuxing HONG Xian LIU Kun HUANG Shipeng |
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| Abstract: | Three processes and their weaknesses for compound fertilizers are discussed, including normal pressure 2step neutralization spraying granulation, preneutralizationdrum ammoniation and pipereactor process. The technology and its advantages of preneutralizationessingle pipe secondary ammoniation process for DAP/NPK,which is developed for avoiding the weaknesses , are described. The trial production and its economy are stated. The profits will be 1.4 million RMB Yuan if 25 kt NPK is produced monthly. |
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| Keywords: | diammonium phosphate compound fertilizer process preneutralization of phosphoric acid singlepipe secondary ammoniation |
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