在眾多回轉窯設備zhong,youyizhongyaodeyingyongshishulifangzhide,cishebeijiweishuyao,cizhongyaoludegongzuoyuanlishibadakuaideyuanliaolianxuyoushangbuzhuangru,duanshaohaodeyuanliaolianxudeyouxiamianxiechu,youyuzhonglizuoyong,wuliaoyoushangxiangxiayidong。wuliaozaiyaoneikefenchengsanduan,jiyuredai,shaochengdaihelengquedai,wuliaoyuqitideyundongfangxiangxiangfan,yincitashuyuniliushiderejiaohuanshebei。
豎窯中窯氣溫度,自燒成帶的1600度-1700度變至加料口的300-500du,kaozhezhexieyaoqidereliangyongfusheheduiliudefangshilingpeiliaojiare。erduiliuhefushechuanredeshuzhizaihendachengdushangqujueyuxiangjiechudepeiliaoheqitidewendu。zaishuyaozhongyaoqihepeiliaodewendu延高度方向的分布,通常分三種情況,如圖所示:
圖中w氣顯示的是窯氣流股的熱容量或是水當量;W料顯示的是配料的熱容量或是水當量。所謂水當量,指的是單位小時消耗量和單位消耗量的熱容量之乘積。也就是
W=GC千卡/小時℃
當W氣>Wliaoshi,yaoqizhongderelianggaoyupeiliaosuonenggouxishoudereliang。yinci,youyurejiaohuandejieguo,peiliaodewendujihukedadaoyaoqijiaochudewendu,erjingrejiaohuanhou,yaoqihaiyoushengyuwendutk,其中W氣=W料的比值越大,即回轉窯出口溫度tk越高。
當W氣=W料時,窯氣的熱容量等於配料所能吸收的熱量。在整個熱交換過程中,窯氣和配料溫度始保持一個相等的差值。
當W氣
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