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传统复混肥料造粒、干燥、冷却过程产生大量含杂质废气,影响企业环保排放达标,需要创新技术加以解决。在简要介绍传统造粒技术的基础上对新的造粒技术和采用新热风炉改进干燥技术进行了重点阐述,并总结实施新的尾气处理技术。经过生产实践验证,采用新技术,复合肥生产尾气排放可以达到或低于国家环保排放限值的要求。
Traditional compound fertilizer granulation, drying, cooling process produces a large amount of impurity emissions, affecting corporate environmental emissions compliance, the need for innovative technologies to be resolved. Based on the brief introduction of the traditional granulation technology, the new granulation technology and the improvement of drying technology using the new hot blast stove were emphatically elaborated, and the new exhaust gas treatment technology was summarized. After the production of proven, using new technologies, the exhaust emissions of fertilizer production can reach or lower the national environmental emissions limits.