在垃圾焚燒鍋爐正常工作運轉過程中,存在著多種影響因素,例如焚燒爐爐排、推料器、受shou熱re麵mian結jie焦jiao等deng方fang麵mian的de問wen題ti,都dou會hui降jiang低di垃la圾ji焚fen燒shao爐lu的de使shi用yong效xiao率lv或huo是shi減jian少shao垃la圾ji焚fen燒shao鍋guo爐lu使shi用yong壽shou命ming。因yin此ci,有you關guan管guan理li人ren員yuan及ji技ji術shu人ren員yuan應ying當dang全quan麵mian深shen入ru剖pou析xi相xiang關guan影ying響xiang因yin素su,結jie合he故gu障zhang問wen題ti探tan尋xun有you效xiao的de應ying對dui措cuo施shi。
關鍵詞:垃圾焚燒爐;影響因素;穩定運行;應對措施;故障問題
近jin年nian來lai,隨sui著zhe社she會hui經jing濟ji與yu城cheng市shi化hua進jin程cheng的de不bu斷duan加jia快kuai,人ren們men的de生sheng活huo質zhi量liang與yu水shui平ping越yue來lai越yue高gao,同tong樣yang人ren們men日ri常chang生sheng產chan生sheng活huo中zhong的de垃la圾ji產chan量liang也ye越yue來lai越yue多duo,采cai用yong垃la圾ji焚fen燒shao的de方fang式shi對dui垃la圾ji進jin行xing集ji中zhong化hua處chu理li。借jie助zhu垃la圾ji焚fen燒shao不bu僅jin可ke以yi減jian少shao垃la圾ji堆dui積ji的de情qing況kuang,還hai可ke以yi實shi現xian資zi源yuan的de二er次ci利li用yong。垃la圾ji焚fen燒shao鍋guo爐lu在zai長chang期qi持chi續xu運yun轉zhuan中zhong,很hen容rong易yi出chu現xian各ge種zhong故gu障zhang問wen題ti,所suo以yi有you關guan工gong作zuo人ren員yuan需xu要yao加jia強qiang故gu障zhang的de分fen析xi排pai除chu工gong作zuo,為wei垃la圾ji焚fen燒shao鍋guo爐lu穩wen定ding運yun行xing提ti供gong保bao障zhang。
1.影響垃圾焚燒爐長期穩定運行的因素
1.1爐排故障
當前我國垃圾焚燒處理過程中應用最廣泛的焚燒鍋爐是爐排式鍋爐,耐熱鑄鋼是這種爐排式垃圾焚燒鍋爐主要材料,經過液壓驅動完成各種生產生活垃圾的(de)焚(fen)燒(shao)處(chu)理(li),因(yin)而(er)爐(lu)排(pai)式(shi)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)的(de)故(gu)障(zhang)問(wen)題(ti)也(ye)具(ju)有(you)鮮(xian)明(ming)的(de)特(te)征(zheng)。在(zai)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)長(chang)周(zhou)期(qi)運(yun)行(xing)中(zhong),爐(lu)排(pai)行(xing)程(cheng)故(gu)障(zhang)是(shi)最(zui)典(dian)型(xing)的(de)問(wen)題(ti),具(ju)體(ti)表(biao)現(xian)為(wei)動(dong)作(zuo)生(sheng)澀(se)遲(chi)緩(huan)、鍋爐內容易出現堵塞、pianyijituilijixiexitongyunzuobuxietiao。zaochengzheyixielieguzhangwentidezhuyaoyuanyinshiguoluzaichangqiyunzuozhongchengzaifuheliguoda,zaijiashangguolujianxiurenyuanshishidejianxiugongzuoquefaguifanxingyuhelixing,jiasulelajifenshaoguoludelaohuachengdu,jinerjiangdileguoludezhiliang。
在(zai)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)配(pei)件(jian)和(he)部(bu)件(jian)結(jie)構(gou)中(zhong),爐(lu)排(pai)是(shi)最(zui)核(he)心(xin)的(de)配(pei)件(jian),一(yi)旦(dan)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)的(de)爐(lu)排(pai)發(fa)生(sheng)故(gu)障(zhang)問(wen)題(ti),由(you)此(ci)產(chan)生(sheng)的(de)檢(jian)修(xiu)與(yu)維(wei)護(hu)費(fei)用(yong)是(shi)一(yi)筆(bi)巨(ju)大(da)的(de)支(zhi)出(chu)。如(ru)果(guo)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)爐(lu)排(pai)出(chu)現(xian)機(ji)械(xie)故(gu)障(zhang),即(ji)便(bian)是(shi)最(zui)基(ji)礎(chu)的(de)順(shun)推(tui)爐(lu)排(pai)問(wen)題(ti),也(ye)會(hui)在(zai)很(hen)大(da)程(cheng)度(du)上(shang)增(zeng)加(jia)鍋(guo)爐(lu)的(de)工(gong)作(zuo)運(yun)轉(zhuan)負(fu)擔(dan),嚴(yan)重(zhong)情(qing)況(kuang)下(xia)可(ke)能(neng)導(dao)致(zhi)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)不(bu)能(neng)正(zheng)常(chang)運(yun)行(xing)。垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)有(you)關(guan)的(de)檢(jian)修(xiu)人(ren)員(yuan)必(bi)須(xu)秉(bing)持(chi)認(ren)真(zhen)、仔(zai)細(xi)及(ji)謹(jin)慎(shen)的(de)態(tai)度(du)進(jin)行(xing)爐(lu)排(pai)的(de)檢(jian)查(zha)工(gong)作(zuo),因(yin)為(wei)稍(shao)有(you)不(bu)注(zhu)意(yi)就(jiu)會(hui)造(zao)成(cheng)較(jiao)大(da)的(de)經(jing)濟(ji)損(sun)失(shi)。但(dan)是(shi),在(zai)實(shi)際(ji)的(de)鍋(guo)爐(lu)故(gu)障(zhang)檢(jian)修(xiu)排(pai)除(chu)過(guo)程(cheng)中(zhong),檢(jian)修(xiu)人(ren)員(yuan)仍(reng)然(ran)會(hui)忽(hu)略(lve)風(feng)室(shi)內(nei)的(de)爐(lu)排(pai)工(gong)字(zi)梁(liang)等(deng)等(deng)配(pei)件(jian)的(de)檢(jian)查(zha),無(wu)法(fa)細(xi)致(zhi)地(di)觀(guan)察(cha)風(feng)孔(kong)的(de)工(gong)作(zuo)運(yun)轉(zhuan)狀(zhuang)況(kuang)。總(zong)的(de)來(lai)說(shuo),垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)發(fa)生(sheng)的(de)所(suo)有(you)故(gu)障(zhang),基(ji)本(ben)上(shang)都(dou)是(shi)由(you)於(yu)在(zai)鍋(guo)爐(lu)停(ting)工(gong)期(qi)間(jian)有(you)關(guan)檢(jian)修(xiu)人(ren)員(yuan)實(shi)施(shi)的(de)檢(jian)修(xiu)維(wei)護(hu)工(gong)作(zuo)不(bu)到(dao)位(wei)所(suo)導(dao)致(zhi)的(de)。加(jia)之(zhi),檢(jian)修(xiu)人(ren)員(yuan)的(de)專(zhuan)業(ye)能(neng)力(li)有(you)限(xian),且(qie)掌(zhang)握(wo)的(de)專(zhuan)業(ye)職(zhi)業(ye)不(bu)夠(gou)豐(feng)富(fu),錯(cuo)誤(wu)的(de)垃(la)圾(ji)焚(fen)燒(shao)爐(lu)運(yun)行(xing)理(li)念(nian),使(shi)得(de)鍋(guo)爐(lu)在(zai)運(yun)行(xing)過(guo)程(cheng)中(zhong)出(chu)現(xian)各(ge)種(zhong)各(ge)樣(yang)的(de)故(gu)障(zhang)。比(bi)如(ru),爐(lu)排(pai)風(feng)孔(kong)堵(du)塞(sai)就(jiu)是(shi)因(yin)為(wei)檢(jian)修(xiu)人(ren)員(yuan)沒(mei)有(you)認(ren)真(zhen)履(lv)行(xing)檢(jian)修(xiu)工(gong)作(zuo)職(zhi)責(ze)造(zao)成(cheng)的(de),沒(mei)有(you)及(ji)時(shi)清(qing)理(li)風(feng)孔(kong)處(chu)的(de)積(ji)灰(hui)。除(chu)此(ci)之(zhi)外(wai),檢(jian)修(xiu)人(ren)員(yuan)在(zai)開(kai)展(zhan)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)爐(lu)排(pai)檢(jian)修(xiu)工(gong)作(zuo)時(shi),需(xu)要(yao)重(zhong)點(dian)關(guan)注(zhu)爐(lu)內(nei)的(de)風(feng)壓(ya)與(yu)溫(wen)度(du)這(zhe)兩(liang)方(fang)麵(mian)內(nei)容(rong),確(que)保(bao)其(qi)在(zai)正(zheng)常(chang)合(he)理(li)範(fan)圍(wei)內(nei),有(you)效(xiao)避(bi)免(mian)爐(lu)排(pai)故(gu)障(zhang)的(de)發(fa)生(sheng)。
1.2推料器故障
tuiliaoqishilajifenshaoguoludezhongyaolingbujian,zailajifenshaoguochengzhong,qizhongtuiliaoqifahuizhezhongzhuandezuoyong,duiyulajifenshaoguoludewendingyunxingjuyoushifenjijideyiyi。zailajifenshaolugongzuoyunzhuanguochengzhong,yidanfashengguzhanghennanlijicaiquyouxiaodechulicuoshipaichuguzhang,yincijianxiurenyuanyingdangjiezhuhuodongshiyantiqianquanmianzaixidejianzhatuiliaoqideyunxingqingkuang。danshi,zhezhongjianzhafangshicunzaizheyigebiduan,jiushimeiyoulajifuhehegaowenpengzhangdezuoyong,qijieguodezhunquexingyoudaikaoliang。huodongbujianshouzu、滾(gun)動(dong)部(bu)件(jian)遭(zao)到(dao)損(sun)壞(huai)及(ji)限(xian)位(wei)器(qi)出(chu)現(xian)問(wen)題(ti)等(deng),在(zai)多(duo)種(zhong)不(bu)良(liang)因(yin)素(su)的(de)作(zuo)用(yong)下(xia)導(dao)致(zhi)推(tui)料(liao)器(qi)的(de)不(bu)同(tong)步(bu)。推(tui)料(liao)器(qi)在(zai)長(chang)期(qi)超(chao)負(fu)荷(he)運(yun)轉(zhuan)下(xia),且(qie)檢(jian)修(xiu)人(ren)員(yuan)沒(mei)有(you)及(ji)時(shi)進(jin)行(xing)檢(jian)修(xiu),再(zai)加(jia)上(shang)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)設(she)備(bei)存(cun)在(zai)一(yi)定(ding)質(zhi)量(liang)問(wen)題(ti),這(zhe)些(xie)都(dou)可(ke)能(neng)降(jiang)低(di)推(tui)料(liao)器(qi)的(de)使(shi)用(yong)效(xiao)率(lv)。另(ling)外(wai),如(ru)果(guo)在(zai)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)運(yun)行(xing)中(zhong),鍋(guo)爐(lu)內(nei)含(han)有(you)比(bi)較(jiao)大(da)且(qie)堅(jian)硬(ying)的(de)垃(la)圾(ji),也(ye)很(hen)有(you)可(ke)能(neng)引(yin)起(qi)推(tui)料(liao)器(qi)故(gu)障(zhang)。在(zai)日(ri)常(chang)工(gong)作(zuo)中(zhong),有(you)關(guan)管(guan)理(li)人(ren)員(yuan)通(tong)過(guo)翻(fan)閱(yue)垃(la)圾(ji)焚(fen)燒(shao)鍋(guo)爐(lu)前(qian)期(qi)的(de)運(yun)行(xing)記(ji)錄(lu)不(bu)難(nan)發(fa)現(xian),一(yi)旦(dan)推(tui)料(liao)器(qi)發(fa)生(sheng)故(gu)障(zhang),就(jiu)會(hui)導(dao)致(zhi)鍋(guo)爐(lu)無(wu)法(fa)正(zheng)常(chang)運(yun)行(xing),也(ye)就(jiu)無(wu)法(fa)進(jin)行(xing)垃(la)圾(ji)焚(fen)燒(shao)處(chu)理(li),針(zhen)對(dui)這(zhe)種(zhong)情(qing)況(kuang)必(bi)須(xu)停(ting)爐(lu)處(chu)理(li),從(cong)而(er)降(jiang)低(di)了(le)鍋(guo)爐(lu)的(de)使(shi)用(yong)運(yun)行(xing)效(xiao)率(lv)。
1.3垃圾焚燒爐煙道積灰堵塞
在垃圾焚燒鍋爐長周期運轉中,受熱麵及煙道積灰堵塞會減低鍋爐運行的穩定性,當鍋爐工作運轉時間達到15天tian時shi,垃la圾ji焚fen燒shao爐lu內nei煙yan道dao受shou熱re麵mian上shang便bian會hui有you明ming顯xian的de積ji灰hui情qing況kuang。造zao成cheng中zhong這zhe種zhong問wen題ti的de主zhu要yao原yuan因yin是shi鍋guo爐lu蒸zheng發fa器qi周zhou圍wei的de煙yan氣qi溫wen度du過guo高gao,而er其qi他ta設she備bei的de排pai煙yan溫wen度du沒mei有you任ren何he變bian化hua,鍋guo爐lu在zai產chan期qi超chao負fu荷he工gong作zuo中zhong,導dao致zhi的de高gao溫wen粘zhan結jie性xing積ji灰hui。垃la圾ji焚fen燒shao鍋guo爐lu運yun行xing過guo程cheng中zhong,在zai風feng孔kong運yun轉zhuan作zuo用yong下xia,爐lu排pai上shang很hen多duo細xi小xiao的de垃la圾ji科ke技ji及ji會hui隨sui之zhi進jin入ru高gao溫wen煙yan道dao中zhong,同tong時shi,負fu責ze垃la圾ji焚fen燒shao的de工gong作zuo人ren員yuan為wei了le使shi各ge種zhong垃la圾ji充chong分fen燃ran燒shao,會hui逐zhu漸jian增zeng加jia煙yan氣qi的de擾rao動dong能neng力li,借jie助zhu二er次ci風feng再zai次ci燃ran燒shao剩sheng餘yu的de垃la圾ji,這zhe樣yang會hui加jia劇ju煙yan道dao受shou熱re麵mian積ji灰hui堵du塞sai的de情qing況kuang。通tong常chang來lai說shuo,鍋guo爐lu煙yan道dao受shou熱re麵mian積ji灰hui整zheng體ti上shang呈cheng現xian梳shu妝zhuang,長chang期qi持chi續xu的de積ji灰hui難nan以yi用yong吹chui灰hui的de處chu理li辦ban法fa將jiang其qi清qing理li杠gang精jing,而er這zhe些xie積ji灰hui很hen有you可ke能neng增zeng加jia管guan束shu阻zu力li增zeng加jia,嚴yan重zhong情qing況kuang下xia也ye會hui造zao成cheng煙yan道dao的de完wan全quan堵du塞sai,使shi得de垃la圾ji焚fen燒shao爐lu被bei迫po停ting爐lu。
2.優化垃圾焚燒爐平穩運轉的有效措施
2.1做好設備檢修維護
針對垃圾焚燒鍋爐長周期運行過程中,存在爐排故障、tuiliaoqiguzhang,youguandejianxiurenyuanyingdangdingqikaizhanshebeipeijianjilingbujiandejianxiuweihugongzuo,quanmianlejiebingzhangwoxiangguanbujiandeyunxingqingkuang,jishifaxianwenti,yibiancaiquyouxiaochulicuoshijiayijiejue。tongshi,zuohaoshebeiweihugongzuo,duiyulaohuajizaodaoyanzhongsunhuaidelingbujianjinxinggenghuan,dingqiduiguolushishibaozheng,yibaozhengguoluneigegepeijiandezhengchanggongzuoyunzhuan。
2.2做好防結焦、積灰措施
生產生活垃圾中,玻璃、鹽yan分fen的de含han量liang相xiang對dui比bi較jiao高gao,這zhe些xie垃la圾ji在zai高gao溫wen持chi續xu作zuo用yong下xia會hui被bei熔rong融rong,因yin此ci造zao成cheng鍋guo爐lu內nei出chu現xian結jie焦jiao和he積ji灰hui的de情qing況kuang,這zhe不bu僅jin會hui降jiang低di垃la圾ji焚fen燒shao鍋guo爐lu的de產chan熱re效xiao率lv,還hai會hui阻zu礙ai鍋guo爐lu喉hou部bu的de順shun利li流liu通tong,長chang期qi影ying響xiang下xia,會hui引yin起qi鍋guo爐lu熱re器qi爆bao管guan,進jin而er幹gan擾rao垃la圾ji焚fen燒shao鍋guo爐lu的de正zheng常chang運yun行xing。所suo以yi有you關guan工gong作zuo人ren員yuan根gen據ju這zhe種zhong情qing況kuang,切qie實shi做zuo好hao鍋guo爐lu結jie焦jiao、積灰識別工作,並針對統計的結焦現場數據進行全麵深入的分析,以此采取有效的處理措施加以解決。
2.3做好運行管理
shouxian,jiancerenyuanjiyouguanfuzerenyuanxuyaoduiguoluneidewendu,jibenjiegouheqizaigongzuoyunzhuanguochengzhongpeifengqingkuangzhankaixizhidefenxi,genjuzhexiezongheyingxiangyinsu,quedingguolufenshaoyandaohoubujiejiaokongzhijichulifangfa。jutilaishuo,jiehelajifenshaoguoludeshiyongxuqiu,tiaozhengbinggaizaoguoludeyunxingguanlibanfajiyunxingfangshi,yingyongxianjindekexuejishuyuguanlishouduancujinlajifenshaoludechangzhouqiwendingyunxing。liru,helikongzhilutangdechukouwendu,jiangqikongzhizai850攝氏度至950攝she氏shi度du範fan圍wei之zhi內nei,在zai加jia快kuai垃la圾ji內nei化hua學xue物wu質zhi高gao效xiao分fen解jie的de同tong時shi,保bao證zheng增zeng發fa量liang符fu合he垃la圾ji焚fen燒shao的de實shi際ji要yao求qiu。再zai者zhe,負fu責ze垃la圾ji焚fen燒shao的de工gong作zuo人ren員yuan結jie合he季ji節jie特te征zheng以yi及ji不bu同tong的de垃la圾ji發fa酵jiao性xing質zhi,科ke學xue調tiao整zheng一yi次ci焚fen燒shao的de使shi用yong風feng量liang和he二er次ci風feng量liang,在zai此ci基ji礎chu上shang,結jie合he水shui平ping煙yan道dao壓ya差cha,確que定ding吹chui灰hui器qi的de吹chui灰hui次ci數shu,以yi保bao證zheng吹chui灰hui效xiao果guo的de合he理li性xing,有you效xiao避bi免mian吹chui灰hui管guan道dao被bei腐fu蝕shi的de現xian象xiang。最zui後hou,工gong作zuo人ren員yuan需xu要yao將jiang煙yan道dao下xia灰hui口kou改gai到dao落luo灰hui口kou,減jian少shao鍋guo爐lu膛tang內nei飛fei灰hui的de循xun環huan量liang,更geng好hao地di改gai善shan煙yan道dao受shou熱re麵mian結jie焦jiao情qing況kuang,從cong而er實shi現xian鍋guo爐lu的de正zheng常chang工gong作zuo運yun轉zhuan。
3.結論
zongshangsuoshu,zailajifenshaoguoluchangzhouqiyunxingguochengzhong,shoudaoduozhongbuliangyinsudeganrao,youcidailailegezhongguzhangwenti,guoluguanlirenyuanjiyouguangongzuorenyuanyinggenjujutiwentijinxingjutifenxi,jijixunzhaoxiangyingdejiejuebanfa,buduanjiangdiguoludefuhe,yiciweilajifenshaoludewendingyunzhuantigongbaozhang。





