電(dian)(dian)弧(hu)爐(lu)是(shi)以電(dian)(dian)弧(hu)加熱的(de)(de)批次式反應(ying)爐(lu)，其(qi)燃(ran)燒溫(wen)度約(yue)為1 650~3 300 ℃，停留時間(jian)約(yue)8~10 min。電(dian)(dian)弧(hu)爐(lu)的(de)(de)電(dian)(dian)極棒透過交(jiao)變電(dian)(dian)流產生強(qiang)大(da)磁性攪拌(ban)作用，廢棄物(wu)(wu)(wu)與鋼液(ye)能(neng)充分混拌(ban)，廢物(wu)(wu)(wu)在極高溫(wen)情(qing)況下被(bei)裂解氧化(hua)成(cheng)CO2和H2O，從而傳染性病(bing)菌能(neng)在極短的(de)(de)時間(jian)內被(bei)完全(quan)破壞。醫療(liao)廢物(wu)(wu)(wu)含有(you)不可(ke)(ke)燃(ran)的(de)(de)針頭、注射(she)器、玻璃(li)瓶(ping)和可(ke)(ke)燃(ran)物(wu)(wu)(wu)這2 大(da)類，將其(qi)置(zhi)于(yu)鐵(tie)質容器后直(zhi)接投人電(dian)(dian)弧(hu)爐(lu)中(zhong)將其(qi)熔(rong)化(hua)，其(qi)中(zhong)可(ke)(ke)燃(ran)性廢物(wu)(wu)(wu)能(neng)迅速而有(you)效燃(ran)燒，玻璃(li)等不可(ke)(ke)燃(ran)物(wu)(wu)(wu)形成(cheng)殘渣浮(fu)在鋼水表面，而針頭、器械等金(jin)(jin)屬廢物(wu)(wu)(wu)與電(dian)(dian)弧(hu)爐(lu)中(zhong)其(qi)他金(jin)(jin)屬一(yi)起熔(rong)化(hua)成(cheng)鋼水。電(dian)(dian)弧(hu)爐(lu)技術最早在日本被(bei)用于(yu)處理醫療(liao)廢物(wu)(wu)(wu)。

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