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我厂炼锡过程中产出的高砷锡渣经过回转窑氧化焙烧脱砷返回再熔炼。在焙烧过程中,砷呈三氧化二砷、五氧化二砷、各种砷酸盐的形式和氧化亚锡、氧化铅、硫、灰份进入烟气,并分别沉降于冷凝室,扩散旋风收尘器和电收尘器中,凝集的砷灰为中间产品。一九六九年以来,我们遵照伟大领袖毛主席“综合利用大有文章可作”的教导,依靠工人阶级,大搞群众动运,吸取了原先反射炉、卧式蒸镏炉
The arsenic dross produced in the process of smelting tin in our factory is oxidized and roasted to remove arsenic and then remelted in the rotary kiln. During the calcination process, arsenic is in the form of arsenic trioxide, arsenic pentoxide and various arsenic salts and stannous oxide, lead oxide, sulfur and ash enter the flue gas and are respectively settled in the condensing chamber, diffusing cyclone dust collector and In the electric precipitator, the agglomerated arsenic ash is the intermediate product. Since 1969, we have followed the teachings of Chairman Mao, the great leader, that “a great deal of comprehensive utilization can be done.” We rely on the working class and vigorously mobilize the masses to learn the original reverberatory furnace, horizontal steaming furnace