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介绍硝酸磷肥喷浆造粒尾气除尘系统的技术改造。将原来的一级扁袋干法除尘改为扩散式旋风除尘器和旋流板洗涤塔相结合的干、湿法除尘，取得了良好的环保效益和经济效益。
Introduction to Technical Renovation of Nitric Acid Phosphate Spraying Granulation Exhaust System. The original one-level flat bag dry dust to diffuse cyclone and cyclone scrubber combination of dry and wet dust removal, and achieved good environmental benefits and economic benefits.