燃燒器故障判斷分析及處理
1、啟動燃燒器時無反應,且手動啟動助燃風機時,風機無法啟動
發生這種情況,可以確認助燃風機出現故障,因為燃燒器點火係統Di一yi個ge點dian火huo程cheng序xu是shi啟qi動dong助zhu燃ran風feng機ji,助zhu燃ran風feng機ji不bu啟qi動dong,點dian火huo程cheng序xu自zi動dong終zhong止zhi。手shou動dong啟qi動dong助zhu燃ran風feng機ji無wu反fan應ying就jiu可ke判pan斷duan因yin助zhu燃ran風feng機ji故gu障zhang導dao致zhi點dian火huo程cheng序xu終zhong止zhi。此ci時shi主zhu要yao檢jian查zha風feng機ji的de電dian源yuan交jiao流liu接jie觸chu器qi是shi否fou因yin熱re敏min元yuan件jian故gu障zhang造zao成cheng不bu能neng自zi動dong吸xi合he,檢jian查zha供gong電dian電dian源yuan是shi否fou有you缺que項xiang,檢jian查zha電dian機ji是shi否fou正zheng常chang、有無短路現象,檢查風機是否靈活有無卡阻現象。
2、啟動燃燒器不能點火燃燒
發生這種現象一般有兩種可能性。觀察燃燒程序控製器的運行情況,如果程序控製型運行至△位置是停止說明燃燒器未完成點火程序;如果運行至□位置停止則說明完成點火動作但是火焰探測器未探測到火焰。
出現Di一種情況,燃燒控製器在△出chu停ting止zhi,未wei完wan成cheng點dian火huo的de原yuan因yin有you兩liang種zhong,一yi是shi電dian極ji放fang電dian火huo花hua過guo小xiao,二er是shi電dian極ji未wei放fang電dian。火huo花hua過guo小xiao的de原yuan因yin一yi是shi兩liang根gen點dian火huo電dian極ji引yin線xian陶tao瓷ci套tao管guan漏lou電dian,二er是shi電dian極ji間jian距ju不bu合he理li。處chu理li方fang法fa:打開燃燒器頂蓋,檢查點火電極陶瓷套管絕緣情況,如有漏電現象則進行維修更換,保證良好絕緣;檢查調整絕緣電極間距,保持在5-10mm,間距過大或者過小都影響放電火花。
當出現第二種情況,程序控製器運行至□時停止,可能有兩個方麵的原因造成。一是探測火焰的光電眼未探測到火焰;二是光電眼故障。
出(chu)現(xian)這(zhe)種(zhong)現(xian)象(xiang),打(da)開(kai)燃(ran)燒(shao)器(qi)上(shang)蓋(gai),取(qu)出(chu)光(guang)電(dian)眼(yan)進(jin)行(xing)檢(jian)查(zha),如(ru)果(guo)上(shang)麵(mian)被(bei)油(you)汙(wu)覆(fu)蓋(gai)則(ze)清(qing)理(li)幹(gan)淨(jing),可(ke)用(yong)打(da)火(huo)機(ji)照(zhao)射(she)光(guang)電(dian)眼(yan)檢(jian)查(zha)其(qi)輸(shu)出(chu)電(dian)流(liu),如(ru)果(guo)輸(shu)出(chu)電(dian)流(liu)為(wei)70μA則ze說shuo明ming就jiu探tan測ce電dian路lu正zheng常chang,否fou則ze說shuo明ming火huo焰yan探tan測ce線xian路lu故gu障zhang,或huo者zhe是shi光guang電dian眼yan損sun壞huai。如ru果guo火huo焰yan探tan測ce線xian路lu工gong作zuo正zheng常chang,則ze說shuo明ming點dian火huo電dian極ji未wei將jiang燃ran油you點dian燃ran,此ci時shi要yao檢jian查zha噴pen油you嘴zui工gong作zuo情qing況kuang,並bing進jin行xing維wei修xiu更geng換huan,使shi之zhi霧wu化hua良liang好hao,並bing調tiao整zheng油you風feng比bi例li達da到daoZui佳狀態。
3、燃燒器在正常燃燒過程中出現火焰不穩定、燃燒不充分冒黑煙現象
在正常燃燒過程中,燃油物性未變,油、fengbiliweijinxingrenweitiaojie,zhezhongqingkuangxiachuxianranshaobuwending,maoheiyandexianxiang,shouxianyaochaichupenyouzuijianzha,kanshifouyoujiejiaozaochengwuhuabuliang,rufaxianjiejiaoyanzhong,genghuanxindepenyouzui。ruguoyouzuigongzuozhengchang,jianzharanyoutiaojiekongzhipanhezhurankongqitiaojietulun,zhakankongzhiyouluhefengludelianganjigoudehuakuaishifoujintiezaitiaojiekongzhitulundetiaozhengluosishang。yongshoutuidongfengyatiaojiexitongdelianganjigou,quedingfengyatiaojietongjintuidaoZui大和Zui小(xiao)位(wei)置(zhi)時(shi)有(you)無(wu)卡(ka)阻(zu)現(xian)象(xiang),如(ru)發(fa)生(sheng)卡(ka)阻(zu)現(xian)象(xiang),應(ying)拆(chai)下(xia)風(feng)壓(ya)調(tiao)節(jie)筒(tong),對(dui)兩(liang)條(tiao)固(gu)定(ding)軌(gui)道(dao)清(qing)理(li)打(da)磨(mo),對(dui)軌(gui)道(dao)上(shang)的(de)軸(zhou)承(cheng)清(qing)理(li)潤(run)滑(hua),並(bing)對(dui)連(lian)杆(gan)機(ji)構(gou)的(de)所(suo)有(you)轉(zhuan)動(dong)部(bu)位(wei)加(jia)油(you)潤(run)滑(hua)。
4、輔助增壓泵啟動後,或者燃料油溫度達到設定溫度,燃燒器至回路調壓器管段溫度未達到設定溫度
根(gen)據(ju)這(zhe)種(zhong)現(xian)象(xiang)可(ke)斷(duan)定(ding)為(wei)燃(ran)油(you)線(xian)部(bu)分(fen)堵(du)塞(sai)。在(zai)整(zheng)個(ge)燃(ran)油(you)回(hui)路(lu)中(zhong),回(hui)路(lu)調(tiao)壓(ya)器(qi)兩(liang)個(ge)部(bu)件(jian)之(zhi)間(jian)的(de)通(tong)道(dao)明(ming)顯(xian)比(bi)別(bie)處(chu)細(xi),如(ru)發(fa)生(sheng)堵(du)塞(sai),問(wen)題(ti)隻(zhi)能(neng)出(chu)現(xian)在(zai)這(zhe)兩(liang)個(ge)部(bu)件(jian)上(shang)。首(shou)先(xian)檢(jian)查(zha)檢(jian)查(zha)是(shi)否(fou)堵(du)塞(sai),停(ting)止(zhi)燃(ran)油(you)增(zeng)壓(ya)泵(beng)後(hou)立(li)即(ji)關(guan)閉(bi)燃(ran)燒(shao)器(qi)前(qian)麵(mian)和(he)回(hui)路(lu)調(tiao)壓(ya)器(qi)後(hou)麵(mian)的(de)閥(fa)門(men)確(que)保(bao)管(guan)路(lu)中(zhong)有(you)餘(yu)壓(ya),拆(chai)除(chu)燃(ran)燒(shao)器(qi)和(he)回(hui)路(lu)調(tiao)壓(ya)器(qi)之(zhi)間(jian)的(de)管(guan)路(lu),如(ru)有(you)燃(ran)油(you)流(liu)出(chu),說(shuo)明(ming)暢(chang)通(tong),堵(du)塞(sai)發(fa)生(sheng)在(zai)回(hui)路(lu)調(tiao)壓(ya)器(qi)上(shang),拆(chai)下(xia)調(tiao)壓(ya)器(qi)清(qing)洗(xi);如果沒有燃油流出,則說明堵塞,拆除進行清洗。安裝恢複後啟動增壓泵打循環,觀察壓力和溫度是否正常。
5、燃燒器停止工作後,燃燒器前後壓力表顯示有壓降
燃(ran)燒(shao)器(qi)停(ting)止(zhi)工(gong)作(zuo)後(hou),進(jin)出(chu)油(you)管(guan)線(xian)有(you)壓(ya)力(li)降(jiang),說(shuo)明(ming)燃(ran)燒(shao)器(qi)有(you)泄(xie)漏(lou),這(zhe)種(zhong)現(xian)象(xiang)一(yi)定(ding)要(yao)引(yin)起(qi)高(gao)度(du)重(zhong)視(shi),如(ru)不(bu)及(ji)時(shi)發(fa)現(xian)解(jie)決(jue),爐(lu)膛(tang)內(nei)燃(ran)油(you)泄(xie)漏(lou)量(liang)較(jiao)多(duo),下(xia)次(ci)點(dian)爐(lu)時(shi)會(hui)引(yin)發(fa)爐(lu)膛(tang)內(nei)原(yuan)油(you)爆(bao)燃(ran),嚴(yan)重(zhong)時(shi)可(ke)能(neng)燒(shao)穿(chuan)爐(lu)管(guan),引(yin)起(qi)加(jia)熱(re)爐(lu)著(zhe)火(huo)。發(fa)生(sheng)這(zhe)種(zhong)情(qing)況(kuang),首(shou)先(xian)打(da)開(kai)燃(ran)燒(shao)器(qi)上(shang)蓋(gai),檢(jian)查(zha)油(you)路(lu)接(jie)頭(tou)有(you)無(wu)滲(shen)漏(lou),如(ru)無(wu)滲(shen)漏(lou)在(zai),則(ze)滲(shen)漏(lou)部(bu)位(wei)應(ying)發(fa)生(sheng)在(zai)油(you)嘴(zui)部(bu)位(wei),由(you)於(yu)內(nei)部(bu)錐(zhui)形(xing)密(mi)封(feng)頭(tou)磨(mo)損(sun)嚴(yan)重(zhong)、或者被雜物堵塞,造成密封頭關閉不嚴引起燃油泄漏。處理時應將油拆下清洗,檢查密封部位是否有磨損,如有磨損則更換密封部件。
6、燃燒器前壓力表無壓力顯示,或者是壓力表針劇烈振動
燃ran燒shao器qi前qian壓ya力li表biao無wu壓ya力li顯xian示shi,一yi種zhong原yuan因yin是shi冬dong季ji氣qi溫wen太tai低di,燃ran油you管guan線xian凝ning管guan導dao致zhi壓ya力li表biao無wu顯xian示shi,如ru果guo確que認ren燃ran料liao油you溫wen度du正zheng常chang沒mei有you凝ning管guan,可ke檢jian查zha增zeng加jia泵beng轉zhuan向xiang是shi否fou正zheng確que,泵beng出chu口kou壓ya力li表biao顯xian示shi是shi否fou正zheng常chang,燃ran油you線xian閥fa門men有you沒mei有you正zheng常chang打da開kai。壓ya力li表biao指zhi針zhen劇ju烈lie震zhen動dong,說shuo明ming向xiang燃ran燒shao器qi供gong油you的de增zeng壓ya泵beng有you抽chou空kong現xian象xiang。此ci時shi要yao首shou先xian檢jian查zha燃ran油you泵beng供gong給gei的de燃ran油you壓ya力li是shi否fou正zheng常chang,燃ran油you溫wen度du是shi否fou正zheng常chang,確que認ren燃ran油you壓ya力li正zheng常chang,管guan路lu沒mei有you凝ning管guan現xian象xiang後hou,反fan複fu轉zhuan動dong自zi潔jie過guo濾lv器qi,看kan是shi否fou能neng解jie決jue問wen題ti。如ru果guo現xian象xiang不bu能neng改gai善shan,停ting泵beng後hou拆chai除chu自zi潔jie過guo濾lv器qi進jin行xing清qing理li。