原外环流氨化反应器应用于生产磷酸一铵 ,介绍安徽六国化工股份有限公司应用外环流氨化反应技术生产磷酸二铵所采取的若干技术 ,使外环流氨化反应装置实现了长周期稳定运行生产 DAP,生产强度比原中和槽提高 10倍 ,达 4 .5 t/ (m3· h) ,无需搅拌 ,每年节约大修及维修费 2 8万元 ,向大气排放氨每年减少 18.9t The original outer loop amidation reactor is used in the production of monoammonium phosphate. Some technologies adopted by Anhui Liu Guo Chemical Co., Ltd. for producing diammonium phosphate using the outer loop ammoxidation technology are introduced, and the outer loop amidation reaction device is realized The production cycle of DAP is stable and long-term. The production intensity is increased by 10 times than that of the original neutralization tank to reach 4.5 t / (m3 · h) without agitation, saving annual maintenance and repair expenses of 28,000 yuan, and releasing ammonia into the atmosphere annually Reduce 18.9t