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云南三环中化化肥有限公司600 kt/a传统法磷酸二铵装置冷却后的磷铵产品温度相对较高,对最终产品的外观质量造成一定影响。分析磷酸二铵装置流化床冷却过程,提出新增翅片换热器进行节能技改。技改后,可使产品温度降低7.5℃,每小时可减少干燥机用煤量39.65 kg。
Yunnan Sanhuan Sinofert Fertilizer Co., Ltd. 600 kt / a DAP ammonium phosphate plant after cooling relatively high temperature, the final product appearance quality has a certain impact. Analysis of the DAP device fluidized bed cooling process, the proposed new fin heat exchanger for energy-saving technology. After the technical innovation, the product temperature can be reduced by 7.5 ℃, and the amount of coal used for dryer can be reduced by 39.65 kg per hour.