如今我(wo)國在日(ri)(ri)益(yi)發展的(de)經濟環境下,要(yao)求日(ri)(ri)益(yi)嚴格(ge),電(dian)除(chu)塵(chen)器煙(yan)塵(chen)排放已(yi)不能適應(ying)新標準的(de)要(yao)求,將電(dian)除(chu)塵(chen)設(she)備(bei)(bei)改造成袋(dai)(dai)式(shi)除(chu)塵(chen)器則(ze)可以(yi)實(shi)現煙(yan)塵(chen)低濃度排放,新標準的(de)要(yao)求,所以(yi)說電(dian)改袋(dai)(dai)已(yi)成為當前乃至今后電(dian)除(chu)塵(chen)設(she)備(bei)(bei)改造的(de)主(zhu)流,為了跟得(de)上主(zhu)流的(de)步伐諾和(he)早已(yi)做好準備(bei)(bei),成功把靜(jing)電(dian)除(chu)塵(chen)器改造為布(bu)袋(dai)(dai)除(chu)塵(chen)器,并且我(wo)們的(de)這一新型設(she)備(bei)(bei)成功運用在除(chu)塵(chen)市場的(de)領(ling)域里。
電(dian)(dian)(dian)暈(yun)極的(de)(de)型(xing)式有好(hao)多種(zhong),放電(dian)(dian)(dian)尖角越多則電(dian)(dian)(dian)暈(yun)的(de)(de)也就越好(hao),但(dan)是(shi)放電(dian)(dian)(dian)尖角越多,制作及安裝較為難題(ti).電(dian)(dian)(dian)暈(yun)線一般(ban)都接(jie)有高壓電(dian)(dian)(dian),需要(yao)(yao)(yao)有良(liang)好(hao)的(de)(de)緣(yuan)裝置,電(dian)(dian)(dian)暈(yun)線之(zhi)間(jian)的(de)(de)間(jian)隔(ge)要(yao)(yao)(yao)適當,間(jian)隔(ge)太(tai)遠影(ying)響電(dian)(dian)(dian)暈(yun)的(de)(de)電(dian)(dian)(dian)流,間(jian)隔(ge)太(tai)近,電(dian)(dian)(dian)暈(yun)線間(jian)可能(neng)會產生(sheng)屏弊(bi)現象,造(zao)成電(dian)(dian)(dian)暈(yun)線表面電(dian)(dian)(dian)場(chang)強度減弱.集塵集塵的(de)(de)上(shang)下部都是(shi)固定的(de)(de),并(bing)且集塵都是(shi)接(jie)地.一般(ban)要(yao)(yao)(yao)求粉(fen)塵易(yi)于沉降在(zai)極板上(shang),在(zai)振(zhen)打(da)的(de)(de)時候(hou)所產生(sheng)的(de)(de)二次揚塵少,同(tong)時還(huan)要(yao)(yao)(yao)求板較為輕便,又要(yao)(yao)(yao)有的(de)(de)剛度,振(zhen)打(da)時粉(fen)塵易(yi)于沉落(luo)又不(bu)會發生(sheng)變形(xing)。
拆除電除塵設備及頂部的部件。電袋復合除塵器包括板(ban)(ban)、線、振(zhen)打裝置(zhi)、上下(xia)框(kuang)架、整流變壓器(qi)、多孔板(ban)(ban)和(he)頂(ding)部蓋板(ban)(ban)等,通常只留下(xia)一個(ge)空殼(ke)。安裝除(chu)(chu)(chu)塵(chen)(chen)器(qi)進(jin)、出口(kou)煙(yan)道(dao)擋板(ban)(ban)閥。有些改造(zao)(zao)可能(neng)涉及到煙(yan)道(dao)和(he)除(chu)(chu)(chu)塵(chen)(chen)器(qi)進(jin)、出口(kou)的改造(zao)(zao)。對進(jin)入各室(shi)的煙(yan)氣量要(yao)計(ji)算,并進(jin)流分布(bu)實驗,各室(shi)的氣流相(xiang)對均勻(yun)。在除(chu)(chu)(chu)塵(chen)(chen)設(she)備殼(ke)安裝煙(yan)氣導(dao)流板(ban)(ban)和(he)氣流均布(bu)裝置(zhi)。導(dao)流板(ban)(ban)的設(she)計(ji)要(yao)考(kao)慮磨。
靜電(dian)(dian)(dian)除塵(chen)器(qi)陽(yang)極板(ban)(ban)C480型陽(yang)板(ban)(ban)接高壓直流電(dian)(dian)(dian)源的(de)陰(yin)線和接地的(de)陽(yang)板(ban)(ban)之間形成高壓電(dian)(dian)(dian)場,由于陰(yin)發生電(dian)(dian)(dian)暈放電(dian)(dian)(dian),氣體(ti)被(bei)電(dian)(dian)(dian)離(li),帶負(fu)(fu)電(dian)(dian)(dian)的(de)氣體(ti)離(li)子,在電(dian)(dian)(dian)場力的(de)作用(yong)下(xia),向(xiang)陽(yang)板(ban)(ban)運(yun)動,在運(yun)動中與粉塵(chen)顆粒相碰(peng),則使塵(chen)粒荷(he)以負(fu)(fu)電(dian)(dian)(dian),荷(he)電(dian)(dian)(dian)后(hou)的(de)塵(chen)粒在電(dian)(dian)(dian)場力的(de)作用(yong)下(xia),亦向(xiang)陽(yang)運(yun)動,到達陽(yang)后(hou),放出(chu)負(fu)(fu)電(dian)(dian)(dian)荷(he),塵(chen)粒則沉(chen)積于陽(yang)板(ban)(ban)上,而得到凈化的(de)氣體(ti)排出(chu)塵(chen)器(qi)外(wai)。
安(an)裝(zhuang)清(qing)灰(hui)(hui)(hui)系(xi)統。清(qing)灰(hui)(hui)(hui)系(xi)統主要(yao)包(bao)括壓縮空氣設(she)備(bei)及(ji)管(guan)線(xian)、脈沖閥、儲氣罐、噴(pen)吹管(guan)及(ji)相關的(de)電(dian)器(qi)元(yuan)件。一般都設(she)3種清(qing)灰(hui)(hui)(hui)裝(zhuang)置(zhi),即(ji)差壓自動(dong)反吹清(qing)灰(hui)(hui)(hui)、時間繼(ji)電(dian)器(qi)自動(dong)清(qing)灰(hui)(hui)(hui)和(he)手動(dong)清(qing)灰(hui)(hui)(hui)。根(gen)據(ju)濾袋的(de)使用壽命和(he)積塵情況。保(bao)護系(xi)統的(de)安(an)裝(zhuang)。包(bao)括旁路煙道、除塵設(she)備(bei)煙氣溫(wen)報警和(he)緊(jin)急降(jiang)溫(wen)裝(zhuang)置(zhi)。為(wei)了鍋(guo)爐點(dian)火燃油損壞濾袋而設(she)置(zhi)旁路煙道時,涉及(ji)到鍋(guo)爐與除塵器(qi)的(de)銜(xian)接和(he)配合,另一個為(wei)題是煙溫(wen),大多數鍋(guo)爐的(de)世紀煙溫(wen)均過設(she)計(ji)值,有些溫(wen)幅(fu)度還較(jiao)大,通(tong)過運行調試及(ji)投入吹灰(hui)(hui)(hui)器(qi)來(lai)控制。