铋精炼烟气处理工艺研究

摘要

In the process of refining of bismuth , flue gas containing a large amount of bismuth dust and chlorine gas , conventional process is difficult to achieve emission standards. It’s Thoroughly solve the problem of the dust collection in the bismuth refining pro⁃cess and low absorption rate of chlorine gas,using the new type of liquid cyclone plate dust collector and two stage Chlorine removal tow⁃er and gas-liquid separation device. Achieve the particle and chlorine two level emission standard limit in the Integrated Emission stan⁃dard of air pollutants.%铋精炼过程中产生含有大量铋粉尘和氯气的烟气，常规工艺处理较难达到排放标准。采用新式液体旋流板收尘器+两级脱氯塔+气液分离装置彻底解决铋精炼烟气收尘难度大，氯气吸收率低的难题，达到《大气污染物综合排放标准》（GB16297-1996）表2中颗粒物和氯气二级排放标准限制。