在白水泥熟料的回轉窯煆duan燒shao過guo程cheng中zhong是shi不bu存cun在zai二er次ci風feng的de,所suo以yi隻zhi有you使shi一yi次ci風feng的de風feng速su增zeng多duo以yi及ji風feng量liang能neng得de到dao增zeng加jia來lai促cu使shi燃ran燒shao速su度du得de到dao增zeng加jia。如ru果guo回hui轉zhuan窯yao的de一yi次ci風feng量liang是shi在zai3000-6000立方米/h,風壓在33-40Pa,都高於普通的水泥回轉窯,這(zhe)樣(yang)就(jiu)會(hui)造(zao)成(cheng)煆(duan)燒(shao)火(huo)焰(yan)變(bian)短(duan)並(bing)集(ji)中(zhong),燒(shao)成(cheng)帶(dai)向(xiang)窯(yao)頭(tou)挪(nuo)動(dong),冷(leng)卻(que)帶(dai)就(jiu)會(hui)被(bei)減(jian)短(duan),其(qi)熱(re)交(jiao)換(huan)也(ye)會(hui)在(zai)燒(shao)成(cheng)溫(wen)度(du)的(de)增(zeng)高(gao)基(ji)礎(chu)上(shang)得(de)到(dao)增(zeng)強(qiang)。對(dui)於(yu)白(bai)水(shui)泥(ni)熟(shu)料(liao)中(zhong)易(yi)形(xing)成(cheng)C3S的(de)礦(kuang)物(wu),從(cong)整(zheng)個(ge)回(hui)轉(zhuan)窯(yao)係(xi)統(tong)的(de)熱(re)工(gong)參(can)數(shu)來(lai)看(kan),因(yin)燒(shao)成(cheng)溫(wen)度(du)提(ti)高(gao)了(le)才(cai)促(cu)使(shi)整(zheng)個(ge)回(hui)轉(zhuan)窯(yao)的(de)溫(wen)度(du)都(dou)得(de)到(dao)了(le)提(ti)高(gao),與(yu)同(tong)種(zhong)類(lei)型(xing)的(de)回(hui)轉(zhuan)窯(yao)相(xiang)比(bi),白(bai)水(shui)泥(ni)回(hui)轉(zhuan)窯(yao)的(de)煆(duan)燒(shao)溫度要比普通的水泥高出一百度還多,而在窯尾的廢氣溫度要高出60-100度,所以在燒成帶溫度提高的情況下,要將回轉窯的整體溫度都提高,這樣才更有利於預熱帶的生料預燒。
在zai回hui轉zhuan窯yao窯yao尾wei端duan是shi存cun在zai有you負fu壓ya測ce點dian的de,這zhe樣yang一yi來lai窯yao尾wei的de負fu壓ya情qing況kuang,就jiu會hui被bei直zhi接jie反fan映ying到dao窯yao頭tou的de操cao作zuo表biao盤pan上shang,負fu壓ya的de變bian化hua也ye就jiu代dai表biao著zhe窯yao內nei氣qi流liu速su度du的de變bian化hua,回hui轉zhuan窯yao內nei氣qi流liu的de速su度du控kong製zhi的de好hao快kuai也ye是shi煆duan燒shao好hao窯yao的de重zhong要yao考kao量liang之zhi一yi。當dang流liu速su過guo快kuai時shi,回hui轉zhuan窯yao內nei的de燃ran料liao不bu能neng夠gou得de到dao充chong分fen的de燃ran燒shao就jiu會hui被bei送song到dao窯yao尾wei或huo是shi煙yan室shi,如ru果guo煙yan室shi內nei的de溫wen度du很hen高gao,這zhe就jiu會hui對dui煆duan燒shao工gong藝yi造zao成cheng影ying響xiang,燒shao成cheng帶dai溫wen度du會hui降jiang低di,回hui轉zhuan窯yao內nei的de正zheng常chang熱re工gong製zhi度du得de不bu到dao穩wen定ding,熱re損sun失shi會hui很hen大da,熟shu料liao的de產chan量liang就jiu會hui不bu夠gou,接jie著zhe質zhi量liang也ye會hui降jiang低di,當dang煙yan室shi溫wen度du過guo於yu高gao,就jiu會hui使shi煙yan室shi結jie構gou構gou成cheng影ying響xiang,其qi牢lao固gu性xing就jiu會hui有you所suo影ying響xiang,煙yan室shi內nei外wai的de牆qiang壁bi和he積ji灰hui都dou有you出chu現xian裂lie痕hen的de可ke能neng,嚴yan重zhong的de情qing況kuang下xia還hai會hui造zao成cheng煙yan室shi拱gong頂ding倒dao塌ta。流liu速su過guo慢man的de情qing況kuang下xia,看kan火huo時shi會hui有you窯yao內nei發fa暗an且qie混hun濁zhuo現xian象xiang,如ru果guo想xiang以yi煤mei粉fen量liang的de提ti高gao來lai促cu使shi燒shao成cheng帶dai溫wen度du增zeng加jia,都dou是shi沒mei有you意yi義yi的de。分fen解jie帶dai產chan生sheng的de大da量liang廢fei氣qi不bu能neng夠gou排pai出chu去qu,氧yang氣qi得de不bu到dao供gong應ying,煤mei粉fen燃ran燒shao緩huan慢man,火huo焰yan溫wen度du比bi較jiao低di,一yi次ci風feng和he燃ran料liao的de增zeng加jia都dou會hui使shi窯yao內nei的de煆duan燒shao受shou到dao影ying響xiang,而er使shi煤mei量liang降jiang低di和he一yi次ci風feng減jian少shao所suo造zao成cheng的de影ying響xiang就jiu是shi減jian料liao,更geng不bu能neng使shi回hui轉zhuan窯yao正zheng常chang發fa揮hui其qi功gong效xiao。
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