塔式熔体造粒复合肥生产技术与改进.pdf

磷肥与复肥 2008牟7月 Fertilizer 第23卷第4期 ·42· PhosphateCompound 塔式熔体造粒复合肥生产技术与改进 窘产峰 (临沭县生产力促进中心，山东临沭276700) kt／a双塔熔体造粒复合肥生产装置的若干技术创新：采用双塔连体结构， [摘要]介绍史丹利公司开发的800 提高产能，节省投资；采用双轴差动喷淋造粒装置并加大喷孔面积，避免堵塞；塔的高度提到116m，避免夏季发生 “粘结塔底事故”；加入脲酶抑制剂、硝化抑制剂和磷素活化剂，使肥料具有缓释长效功能，提高肥料利用率。该产 品具有较强的市场竞争力。 [关键词]复合肥；双塔连体结构；塔式熔体造粒；创新技术 [中图分类号]TQ444[文献标识码]A [文章编号]1007—6220(2008)04—0042—03 for of fertilizermelt Technologyproductioncompound by granulation in towerand modification prilling some CAO Guang-feng s^M Promotion (LinProductivity Center，Linshu，Shwtgdong276700，China) innovationsaredescribedtwin-towermelt in towerwith Abstract：Sometechnological for granulationprilling 800kt／a fertilizer increase and developedSanley productionoutput compound capacity by Company：to reduceinvestment twin-tower avoid bi-axial outlaybyadopting structure；tocloggingbyemploying differential unitand nozzles；to of adhesivetobottom”by sprayprilling enlarging prevent“accident thetower to 116 makefertilizer and andincrease increasing height m；to slow-releasinglong—acting fertilizerutilizationrate urease inhibitorand activator．This byadding inhibitor，nitrificationphosphate product has market strong competitiveness． fertilizer；twin-tower