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2020-11-04
活性炭吸附箱的吸附净化原理及工艺流程有哪些?
各种工厂都会有废气排放,排放的废气如果味道很浓就需要做处理,如果不做处理的话,会对周围的环境造成影响。就像家具五金厂生产过程喷漆工序中有量的废气外排,喷漆废气的主要成分是油漆粉尘及挥发的苯、甲苯、二甲苯等,对周围环境有影响。
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活性炭吸附箱的吸附净化原理及工艺流程有哪些?
Date﹕2020-11-04|Source:Eclear Environmental

           各种工厂都会有废气排放,排放的废气如果味道很浓就需要做处理,如果不做处理的话,会对周围的环境造成影响。就像家具五金厂生产过程喷漆工序中有量的废气外排,喷漆废气的主要成分是油漆粉尘及挥发的苯、甲苯、二甲苯等,对周围环境有影响。为保护环境,需增加喷漆废气处理设备,为冶金、化工、医药、涂装、酿造,五金生产等行业提供成套的喷漆废气处理设备。

光催化活性炭设备

       活性炭废气净化塔是一种干式废气处理设备。活性炭吸附塔由箱体和装填在箱体内的吸附单元的数量和风量及相配套的设备,我们可以分为干式活性炭吸附和干湿组合式吸附设备。活性炭可以选择不同填料处理多种不同废气。
       吸附净化原理及工艺流程:
       1、吸附:废气经过滤器除去固体颗粒物质,由上而下进入吸附罐,物被活性炭捕集、吸附并浓缩,净化的空气从罐体下部经主风机排入大气。
       2、解吸:当活性炭吸附物达到饱和状态后,停止吸入废气。通过活性炭床向上送入蒸汽进行吹脱,将物自活性炭中逐出,即解吸。罐中活性炭恢复其活性。
       3、热风干燥及冷却:用蒸汽解吸后的活性炭层中,约留有80~90%的蒸汽凝液,填充了活性炭内孔,从而降低了炭层的活性。因此,通入热空气对炭层进行干燥。然后关闭蒸汽阀门,再通入常温空气,冷却至25℃左右,活性炭恢复如初,以备再循环使用。
       4、回收:利用露点温度较高的特点,将蒸汽和的混合物引入冷凝器,使其冷凝,冷凝液经疏水阀进入分离器,利用溶剂比水轻的特点,分离回收。
       5、凝水净化:为冷凝水的洁净,避免的凝水排入水体,在分离器内分离后的水中通入压缩空气,使水中溶液剂充脱。被压缩空气逐出的含物空气折返废气系统,重新吸附。净化后的冷凝水,排入下水道。
       6、连续吸附措施:在连续生产的工厂中,吸附系统也需相应连续工作,可在废气净化系统设计中,选用双罐系列,以便吸附、再造交替连续使用。

           7、再造周期:再造周期应根据净化后排气中气体浓度而定。当气体浓度接近超标数值时,即应停止吸附,进行再造。帮系统初始工作阶段需及时测定排出口气体浓度,以便掌握合理吸附再造周期。

光催化设备

          上海羿清环保科技有限公司是一家集设计、研发、生产、制造于一体的恶臭废气处理、有机废气处理公司、羿清环保在臭气处理方面具有丰富的经验、如果您有臭气或者废气方面的困扰,可以随时联系我们,我们随时为您解决问题。

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