氣體塔
通(tong)過風(feng)管將酸霧廢氣(qi)(qi)引入凈(jing)化(hua)塔(ta)。通(tong)過填料層后,廢氣(qi)(qi)和(he)氫化(hua)鈉吸(xi)收(shou)劑與氣(qi)(qi)體(ti)(ti)和(he)液體(ti)(ti)充分接觸,以吸(xi)收(shou)和(he)中(zhong)(zhong)和(he)氣(qi)(qi)體(ti)(ti)。凈(jing)化(hua)后,酸霧廢氣(qi)(qi)經(jing)煙塵板脫水除去,再由風(feng)機排(pai)(pai)放(fang)(fang)到大氣(qi)(qi)中(zhong)(zhong)。在塔(ta)底(di)(di)用水泵加(jia)壓后,將吸(xi)收(shou)劑噴在塔(ta)頂(ding)噴淋而下(xia),然(ran)后再循環到塔(ta)底(di)(di)。凈(jing)化(hua)后的酸霧廢氣(qi)(qi)符合國家排(pai)(pai)放(fang)(fang)標準。