在對回轉窯所進行的模擬控製操作中,要想對其內部的液霧顆粒相進行操控,我們就必須確定液滴的蒸發速度。
在回轉窯內,液霧一般是身處於流動的狀態中的,並且液滴的四周還屬於強迫對流環境,zaicizhonghuanjingzhong,yedizhouweideqiuduichengliujiangbuzaicunzai。weileduihuizhuanyaoneideyewuliudongjinxinggengjiaxiangxidefenxi,bingqingchuyaoneibutongyinsuneiqizhengfalvchanshengdeyingxiang,womenzaishijidecaozuozhonghuicaiyong“折算薄膜”的de方fang法fa來lai進jin行xing分fen析xi。在zai不bu考kao慮lv回hui轉zhuan窯yao煆duan燒shao過guo程cheng中zhong的de蒸zheng發fa以yi及ji煆duan燒shao情qing況kuang下xia,假jia設she液ye滴di的de四si周zhou有you一yi恰qia當dang厚hou度du的de球qiu形xing氣qi層ceng,通tong常chang被bei我wo們men稱cheng作zuo駐zhu膜mo,其qi內nei部bu的de球qiu對dui稱cheng所suo產chan生sheng的de導dao熱re與yu物wu料liao煆duan燒shao時shi其qi對dui流liu換huan熱re是shi相xiang等deng的de。然ran後hou我wo們men在zai研yan究jiu在zai此ci駐zhu膜mo內nei的de球qiu對dui稱cheng蒸zheng發fa以yi及ji燃ran燒shao。采cai取qu以yi上shang的de方fang法fa所suo進jin行xing的de回hui轉zhuan窯yao單dan個ge液ye滴di的de蒸zheng發fa速su率lv的de計ji算suan,可ke以yi被bei我wo們men用yong來lai計ji量liang在zai此ci過guo程cheng中zhong能neng力li以yi及ji組zu分fen的de擴kuo散san,從cong而er獲huo得de液ye滴di的de蒸zheng發fa速su率lv的de熱re工gong。
在(zai)計(ji)量(liang)了(le)回(hui)轉(zhuan)窯(yao)內(nei)液(ye)滴(di)的(de)蒸(zheng)發(fa)速(su)率(lv)後(hou),我(wo)們(men)就(jiu)可(ke)以(yi)注(zhu)於(yu)窯(yao)內(nei)物(wu)料(liao)及(ji)其(qi)他(ta)設(she)備(bei)的(de)煆(duan)燒(shao),並(bing)隨(sui)時(shi)為(wei)煆(duan)燒(shao)過(guo)程(cheng)中(zhong)出(chu)現(xian)的(de)不(bu)同(tong)問(wen)題(ti)進(jin)行(xing)記(ji)錄(lu),以(yi)後(hou)期(qi)實(shi)驗(yan)的(de)進(jin)行(xing)做(zuo)充(chong)分(fen)的(de)準(zhun)備(bei)。回(hui)轉(zhuan)窯(yao)相(xiang)關(guan)煆(duan)燒(shao)操(cao)作(zuo)可(ke)以(yi)隨(sui)時(shi)撥(bo)打(da)熱(re)線(xian)電(dian)話(hua)谘(zi)詢(xun):