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针对福建无烟煤作为磷酸二铵生产的热烟气原料对生产运行和产品外观造成的影响进行改进。通过改进热风炉点火操作,改造热风炉结构与烟道,提高了煤的燃烧效率,降低了灰的烧失率,达到了装置长周期稳定运行,生产出外观合格的DAP优级产品。
For Fujian anthracite as a diammonium phosphate hot flue gas production of raw materials on the operation and appearance of products to improve the impact. By improving the operation of the hot blast stove, the structure and flue of the hot blast stove are reformed, the combustion efficiency of the coal is increased, the burning rate of the ash is reduced, and the stable operation of the device is achieved over a long period of time to produce a DAP superior product with good appearance.