探索布袋除塵器結露問題的解決辦法
布(bu)(bu)袋(dai)除(chu)塵(chen)(chen)(chen)器設計初期因為對煙氣性質(zhi)沒有(you)徹底(di)調查,和除(chu)塵(chen)(chen)(chen)器選型的紕漏,待除(chu)塵(chen)(chen)(chen)器裝置終了(le)運(yun)轉一(yi)斷工夫后,良多至命的問題就(jiu)會爆顯露來了(le),個(ge)中有(you)一(yi)件事讓很多技能人(ren)員(yuan)頭痛,那就(jiu)是布(bu)(bu)袋(dai)除(chu)塵(chen)(chen)(chen)器的結(jie)露問題,目前我們從布(bu)(bu)袋(dai)除(chu)塵(chen)(chen)(chen)器發生結(jie)露的緣由進行(xing)剖析,逐漸處理脈沖袋(dai)式除(chu)塵(chen)(chen)(chen)器結(jie)露的問題。
形(xing)成(cheng)(cheng)除塵器漏(lou)風(feng)的緣由良多(duo),有除塵器殼體在(zai)制(zhi)造裝置進(jin)程中(zhong)存在(zai)漏(lou)焊(han)景象形(xing)成(cheng)(cheng)漏(lou)風(feng),有卸料安裝密封不嚴形(xing)成(cheng)(cheng)漏(lou)風(feng),有非標管道(dao)在(zai)裝置進(jin)程中(zhong)存在(zai)漏(lou)焊(han)景象形(xing)成(cheng)(cheng)漏(lou)風(feng),有除塵器與非標管道(dao)法蘭銜接處密封不嚴形(xing)成(cheng)(cheng)漏(lou)風(feng)等等。
脈沖袋式除塵(chen)器(qi)結(jie)露景(jing)象的處理方法:
1、削(xue)減除塵(chen)(chen)(chen)器的(de)漏(lou)風(feng)(feng)景象:(1)除塵(chen)(chen)(chen)器在制造裝(zhuang)置進程中,要(yao)嚴厲執行(xing)JC/T532焊接規范進行(xing)焊接,根絕除塵(chen)(chen)(chen)器少焊、漏(lou)焊景象。(2)除塵(chen)(chen)(chen)器的(de)卸料口(kou)應采(cai)用(yong)密封功能優(you)越的(de)鎖(suo)風(feng)(feng)安裝(zhuang),當(dang)前首要(yao)以氣動或電動的(de)鎖(suo)風(feng)(feng)閥為主。需要(yao)時,可(ke)采(cai)用(yong)雙(shuang)級(ji)鎖(suo)風(feng)(feng)安裝(zhuang)。一臺脈(mo)沖袋式(shi)除塵(chen)(chen)(chen)器的(de)漏(lou)風(feng)(feng)率應節制在≤3%局限。
2、嚴厲節制增濕(shi)塔(ta)的(de)(de)噴(pen)(pen)水量(liang):當水泥(ni)干(gan)法線(xian)窯尾的(de)(de)冷(leng)卻安裝采用(yong)增濕(shi)塔(ta)時,不克不及單方面(mian)追求降溫結果而加大噴(pen)(pen)水量(liang),必需在確保(bao)除塵器進(jin)口溫度的(de)(de)狀況(kuang)下嚴厲節制增濕(shi)塔(ta)的(de)(de)噴(pen)(pen)水量(liang)。增濕(shi)塔(ta)盡量(liang)采用(yong)優質(zhi)的(de)(de)噴(pen)(pen)槍,使噴(pen)(pen)出的(de)(de)水精(jing)密(mi)平均,用(yong)起碼的(de)(de)用(yong)水量(liang)到(dao)達最(zui)佳的(de)(de)冷(leng)卻調質(zhi)結果。
3、不變煙氣(qi)(qi)溫(wen)(wen)(wen)度(du)在(zai)較小局限內:當處(chu)置的煙氣(qi)(qi)溫(wen)(wen)(wen)度(du)偏高時,須立刻接(jie)納(na)降低(di)(di)操作溫(wen)(wen)(wen)度(du)、放涼風等(deng)降溫(wen)(wen)(wen)辦(ban)(ban)法(fa);當煙氣(qi)(qi)溫(wen)(wen)(wen)度(du)偏低(di)(di)時,須立刻接(jie)納(na)進步操作溫(wen)(wen)(wen)度(du)等(deng)升(sheng)溫(wen)(wen)(wen)辦(ban)(ban)法(fa)。使煙氣(qi)(qi)溫(wen)(wen)(wen)度(du)能(neng)不變在(zai)規則的局限內,確保除(chu)塵(chen)器(qi)正常不變的運轉,削(xue)減結露(lu)景象。
4、削減脈(mo)(mo)沖噴吹(chui)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)與(yu)除塵(chen)器(qi)內(nei)(nei)部(bu)煙氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)溫(wen)差與(yu)去(qu)濕(shi)處(chu)置(zhi):當(dang)時(shi)(shi)國內(nei)(nei)緊(jin)(jin)縮(suo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)的(de)(de)(de)常用(yong)的(de)(de)(de)供(gong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)道路(lu)首要是:緊(jin)(jin)縮(suo)空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)——儲(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)罐——氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)三(san)聯件——氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)包(bao)——電磁(ci)脈(mo)(mo)沖閥(fa)。這種供(gong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)方法具有投資少(shao)、設備簡略的(de)(de)(de)長處(chu),然則當(dang)外(wai)界空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)溫(wen)渡過(guo)(guo)低(di)時(shi)(shi),緊(jin)(jin)縮(suo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)處(chu)置(zhi)不充(chong)沛、易(yi)(yi)結(jie)(jie)露(lu)。當(dang)外(wai)界空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)溫(wen)渡過(guo)(guo)低(di)且空(kong)壓氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)站間隔較遠(yuan)時(shi)(shi),供(gong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)道路(lu)可(ke)采用(yong):緊(jin)(jin)縮(suo)空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)——儲(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)罐——氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)三(san)聯件——空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)枯(ku)燥(zao)機(ji)——空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)加熱器(qi)——氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)包(bao)(氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)包(bao)敷設保溫(wen)資料)——脈(mo)(mo)沖閥(fa)。這種供(gong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)方法去(qu)濕(shi)充(chong)沛、徹底,脈(mo)(mo)沖噴吹(chui)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)體(ti)與(yu)除塵(chen)器(qi)內(nei)(nei)部(bu)煙氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)溫(wen)差小(xiao),不易(yi)(yi)發(fa)生(sheng)結(jie)(jie)露(lu)。當(dang)空(kong)壓氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)站間隔不遠(yuan),氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)三(san)聯件中(zhong)的(de)(de)(de)空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)過(guo)(guo)濾(lv)器(qi)可(ke)以知足去(qu)濕(shi)需(xu)(xu)求(qiu)時(shi)(shi),只需(xu)(xu)留意將(jiang)空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)過(guo)(guo)濾(lv)器(qi)接(jie)(jie)近氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)包(bao)處(chu)即(ji)可(ke),因而可(ke)省去(qu)空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)枯(ku)燥(zao)器(qi)這一(yi)環節(jie)。當(dang)溫(wen)渡過(guo)(guo)低(di)時(shi)(shi),氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)管(guan)道、氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)包(bao)及脈(mo)(mo)沖閥(fa)都必需(xu)(xu)接(jie)(jie)納保溫(wen)辦法,避免(mian)發(fa)生(sheng)緊(jin)(jin)縮(suo)空(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)冷凝(ning)和除塵(chen)器(qi)發(fa)生(sheng)結(jie)(jie)露(lu)。
5、增強布(bu)袋除(chu)塵(chen)(chen)器的隔熱(re)保溫(wen)辦法:除(chu)塵(chen)(chen)器的殼體必需接(jie)納隔熱(re)保溫(wen)辦法,除(chu)塵(chen)(chen)器的保溫(wen)普(pu)通采用巖棉、硅(gui)酸鋁板(ban)、珍(zhen)珠(zhu)膨脹(zhang)巖等導熱(re)系(xi)數(shu)低,絕熱(re)功能好,吸水(shui)率低,耐熱(re)功能好的保溫(wen)資料(liao)。資料(liao)的導熱(re)系(xi)數(shu)普(pu)通不超越0.23W/m.K。保溫(wen)資料(liao)的厚度(du)應依(yi)據地(di)點(dian)的地(di)輿地(di)位、本(ben)地(di)的年(nian)最(zui)低溫(wen)度(du)、年(nian)均勻溫(wen)度(du)而定(ding),詳細可依(yi)據“節制單元熱(re)損掉法”的核(he)算公式核(he)算確定(ding)。

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