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实用新型
CN205472702U 一种烟气脱硫副产硫酸铵的深度除砷系统 有权

一种烟气脱硫副产硫酸铵的深度除砷系统
摘要：
本实用新型涉及一种烟气脱硫副产硫酸铵的深度除砷系统，属于环境工程技术领域。本实用新型公开了一种烟气脱硫副产硫酸铵的深度除砷系统，该系统包括曝气氧化塔、硫化还原塔、精密过滤器、输送泵及环保风机。其中，曝气氧化塔内设曝气管、底部设有曝气头，强化氧化除杂过程；硫化还原塔内低速搅拌装置，保证了还原剂的有效作用；并配合以精密过滤器进行固液分离，针对硫铵母液进行深度除砷，砷去除率达95%以上，并最终产出的硫酸铵含砷≤0.00005%、氮含量≥21%，其余杂质含量远高于《硫酸铵》国家标准第1号修改单GB 535?1995/XG1?2003的要求，同时，该实用新型的工艺流程适应性强，工艺简单、操作方便。
摘要（英）：

The utility model relates to an arsenic system is removed to degree of depth of flue gas desulfurization by -product ammonium sulfate belongs to environmental engineering technical field. The utility model discloses an arsenic system is removed to degree of depth of flue gas desulfurization by -product ammonium sulfate, this system include the aeration oxidation tower, vulcanize reduction tower, precision filter, delivery pump and environmental protection fan. Wherein, establish aeration pipe, bottom in the aeration oxidation tower and be equipped with the aeration head, reinforce oxidation impurity -removing process, vulcanize the interior low -speed agitating unit of reduction tower, guaranteed effective effect of reductant, and the cooperation carries out solid -liquid separation with precision filter, carries out the degree of depth to sulphur ammonium mother liquor and removes arsenic, and the arsenic clearance reaches more than 95% to the ammonium sulfate of final output contains arsenic <= 0.00005%, nitrogen content >= 21%, is single GB 535 modifyd the 1st number far above " ammonium sulfate " national standard to all the other impurity contents 1995 XG1 2003 the requirement, simultaneously, this utility model's process flow strong adaptability, simple process, convenient operation.

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