在水泥回轉窯的實際煆燒中所用到的回轉式空氣預熱器出現漏風的因素主要有兩個方麵,豫暉工作人員,經過長時間的分析總結如下:
其qi一yi為wei帶dai風feng出chu現xian的de漏lou風feng現xian象xiang,這zhe正zheng是shi因yin為wei水shui泥ni回hui轉zhuan窯yao內nei的de回hui轉zhuan式shi空kong氣qi預yu熱re器qi在zai進jin行xing自zi身shen旋xuan轉zhuan時shi,會hui引yin起qi空kong氣qi隨sui著zhe受shou熱re麵mian的de旋xuan轉zhuan而er到dao達da煙yan氣qi側ce,並bing出chu現xian漏lou風feng,這zhe種zhong漏lou風feng主zhu要yao是shi由you水shui泥ni回hui轉zhuan窯yao的de回hui轉zhuan式shi預yu熱re器qi自zi身shen的de構gou成cheng來lai決jue定ding的de,通tong常chang在zai回hui轉zhuan式shi空kong氣qi預yu熱re器qi進jin行xing設she計ji轉zhuan速su的de情qing況kuang下xia,其qi漏lou風feng概gai率lv顯xian示shi為wei1%,因此,此種漏風現象並不能夠成為主要的漏風原因。
其(qi)二(er)為(wei)直(zhi)接(jie)漏(lou)風(feng)現(xian)象(xiang),這(zhe)是(shi)因(yin)為(wei)在(zai)回(hui)轉(zhuan)式(shi)空(kong)氣(qi)預(yu)熱(re)器(qi)以(yi)及(ji)殼(ke)體(ti)這(zhe)兩(liang)者(zhe)中(zhong)間(jian)有(you)動(dong)靜(jing)部(bu)分(fen)的(de)縫(feng)隙(xi)的(de)出(chu)現(xian),尤(you)其(qi)是(shi)在(zai)運(yun)行(xing)中(zhong)因(yin)為(wei)水(shui)泥(ni)回(hui)轉(zhuan)窯(yao)的(de)回(hui)轉(zhuan)式(shi)空(kong)氣(qi)預(yu)熱(re)器(qi)出(chu)現(xian)熱(re)變(bian)形(xing)而(er)造(zao)成(cheng)縫(feng)隙(xi)在(zai)某(mou)一(yi)部(bu)分(fen)突(tu)然(ran)增(zeng)大(da),在(zai)熱(re)態(tai)運(yun)轉(zhuan)情(qing)況(kuang)下(xia),因(yin)為(wei)空(kong)氣(qi)預(yu)熱(re)器(qi)煙(yan)氣(qi)側(ce)與(yu)空(kong)氣(qi)側(ce)之(zhi)間(jian)還(hai)有(you)較(jiao)大(da)的(de)壓(ya)差(cha),在(zai)水(shui)泥(ni)回(hui)轉(zhuan)窯(yao)生(sheng)產(chan)中(zhong)動(dong)靜(jing)縫(feng)隙(xi)的(de)地(di)方(fang),空(kong)氣(qi)會(hui)因(yin)此(ci)進(jin)入(ru)煙(yan)氣(qi)側(ce),從(cong)而(er)形(xing)成(cheng)空(kong)氣(qi)預(yu)熱(re)器(qi)的(de)漏(lou)風(feng)。而(er)此(ci)部(bu)分(fen)出(chu)現(xian)的(de)漏(lou)風(feng)量(liang)是(shi)相(xiang)對(dui)較(jiao)大(da)的(de),同(tong)時(shi)也(ye)是(shi)空(kong)氣(qi)預(yu)熱(re)器(qi)的(de)主(zhu)要(yao)漏(lou)風(feng)方(fang)式(shi)。一(yi)旦(dan)動(dong)靜(jing)部(bu)分(fen)的(de)縫(feng)隙(xi)變(bian)大(da),這(zhe)部(bu)分(fen)所(suo)出(chu)現(xian)的(de)漏(lou)風(feng)就(jiu)會(hui)越(yue)來(lai)越(yue)多(duo)。
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