①燃料油壓力低,無法達到供油量該系統由燃料油罐、燃料油泵、燃燒器油泵、噴油閥(油嘴)等組成,系統壓力低,不僅無法保證霧化效果,更無法完成燃燒器的供油量。
②燃料油溫(wen)度(du)較(jiao)低(di)(di),粘(zhan)度(du)增大(da)(da)油溫(wen)的高低(di)(di),影響(xiang)霧(wu)化效果,溫(wen)度(du)低(di)(di)粘(zhan)度(du)大(da)(da)不易霧(wu)化且易導致過濾器(qi)(網(wang)格300µm)堵塞油壓(ya)降(jiang)低(di)(di),由于粘(zhan)度(du)影響(xiang),燃燒不充分無法(fa)保證外輸溫(wen)度(du)并有大(da)(da)量黑煙和爐膛內積碳;該地區冬季漫長(chang)環(huan)境溫(wen)度(du)較(jiao)低(di)(di),燃燒器(qi)低(di)(di)溫(wen)下運行,自控系(xi)統自帶燃料油低(di)(di)溫(wen)報警或(huo)低(di)(di)溫(wen)報警系(xi)統自動(dong)關閉燃燒器(qi)。
③高(gao)含(han)水(shui)(shui),導(dao)致(zhi)停爐(lu)投產初期(qi),來油(you)含(han)水(shui)(shui)較低(di),未(wei)進行(xing)燃料(liao)油(you)罐底水(shui)(shui)切放(fang),長期(qi)運(yun)行(xing)后,油(you)罐內積水(shui)(shui)較多,出現高(gao)含(han)水(shui)(shui)停爐(lu)事(shi)件,切放(fang)底水(shui)(shui)后,再無高(gao)含(han)水(shui)(shui)停爐(lu)事(shi)件的發生。
④設(she)備(bei)故障(zhang),導致停(ting)爐。
⑤油(you)(you)(you)(you)嘴(zui)油(you)(you)(you)(you)槍彈(dan)(dan)簧損(sun)壞折斷燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)無法(fa)(fa)噴(pen)射(she),導致停(ting)爐(lu)或(huo)發生(sheng)二次燃(ran)(ran)(ran)(ran)燒(shao)及(ji)爆(bao)炸(zha)事故油(you)(you)(you)(you)嘴(zui)頂(ding)針損(sun)壞折斷,燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)無法(fa)(fa)噴(pen)出,經回流(liu)管線將燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)輸返(fan)回燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)罐,火(huo)焰(yan)監測器(qi)無法(fa)(fa)捕(bu)捉(zhuo)火(huo)焰(yan)信號(hao),自動停(ting)止燃(ran)(ran)(ran)(ran)燒(shao)器(qi)工作(zuo);油(you)(you)(you)(you)槍彈(dan)(dan)簧損(sun)壞,因燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)壓力(li)作(zuo)用,部(bu)分(fen)燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)通(tong)過噴(pen)油(you)(you)(you)(you)嘴(zui)流(liu)進爐(lu)膛內(nei),空間內(nei)大量油(you)(you)(you)(you)氣聚集,點爐(lu)未及(ji)時檢查,發生(sheng)爐(lu)膛內(nei)二次燃(ran)(ran)(ran)(ran)燒(shao)或(huo)爆(bao)炸(zha)事故,風油(you)(you)(you)(you)比(bi)是按照正(zheng)常運行狀態(tai)設定(ding),大量燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)無法(fa)(fa)充分(fen)燃(ran)(ran)(ran)(ran)燒(shao)形(xing)(xing)成結焦附(fu)著爐(lu)膛內(nei)壁,影響效(xiao)率,形(xing)(xing)成大量黑煙,對環境造成污染,停(ting)爐(lu)后,部(bu)分(fen)燃(ran)(ran)(ran)(ran)料(liao)油(you)(you)(you)(you)在爐(lu)膛內(nei)燃(ran)(ran)(ran)(ran)燒(shao),再次形(xing)(xing)成結焦。
⑥火(huo)(huo)焰(yan)監(jian)測(ce)器故(gu)障停爐運行中,火(huo)(huo)焰(yan)監(jian)測(ce)器損壞(huai)或探頭積塵(chen),無法實時(shi)檢測(ce)火(huo)(huo)焰(yan),由于火(huo)(huo)焰(yan)信號和火(huo)(huo)焰(yan)監(jian)測(ce)回(hui)路失效(xiao)而鎖定停爐,定期(qi)檢查火(huo)(huo)焰(yan)監(jian)測(ce)器和清理火(huo)(huo)焰(yan)監(jian)測(ce)器灰塵(chen)有效(xiao)杜(du)絕因火(huo)(huo)焰(yan)監(jian)測(ce)器故(gu)障導致的停爐。
⑦點(dian)(dian)火(huo)電(dian)極(ji)(ji)擊穿、或間(jian)(jian)隙大,無(wu)法(fa)(fa)點(dian)(dian)燃燃料油點(dian)(dian)火(huo)電(dian)極(ji)(ji)長期在(zai)高溫環(huan)境(jing)中(zhong),瓷管會發生炸裂或因積灰導致電(dian)極(ji)(ji)在(zai)高壓狀態下擊穿短(duan)路(lu)或點(dian)(dian)火(huo)電(dian)極(ji)(ji)間(jian)(jian)隙(5-8mm)過(guo)大無(wu)法(fa)(fa)拉(la)弧,點(dian)(dian)火(huo)過(guo)程中(zhong),風機(ji)吹掃后,油泵運(yun)行,無(wu)法(fa)(fa)點(dian)(dian)燃霧化后的燃料油,定期檢(jian)查點(dian)(dian)火(huo)電(dian)極(ji)(ji)和(he)調整點(dian)(dian)火(huo)電(dian)極(ji)(ji)間(jian)(jian)隙有效(xiao)提高加熱爐運(yun)行。
⑧程(cheng)控(kong)器(qi)及保險(xian)損壞,無法啟動(dong)燃燒器(qi)程(cheng)控(kong)器(qi)是控(kong)制燃燒器(qi)運行的(de)重要設備,售價較為(wei)昂(ang)貴,是自(zi)控(kong)設備樞紐站,主要行使控(kong)制風機啟動(dong)(吹掃和(he)提供助燃空氣)和(he)燃燒器(qi)點火(huo)燃燒、各項自(zi)控(kong)數據傳(chuan)輸(shu)和(he)控(kong)制回路發布指令的(de)功能(neng)。
⑨溫控(kong)(kong)開關(guan)、油溫電(dian)子調節器(qi)損(sun)壞,無法進行加溫燃(ran)燒器(qi)安(an)裝(zhuang)2臺油溫電(dian)子控(kong)(kong)制(zhi)器(qi)和電(dian)加熱器(qi),為(wei)燃(ran)料油進行加溫,使燃(ran)料油達(da)到(dao)最大(da)霧化效(xiao)果,保(bao)持油溫在75-80攝氏度之間,一旦損(sun)壞,不能(neng)保(bao)證霧化效(xiao)果,燃(ran)油粘度增(zeng)大(da),或低油溫導致程控(kong)(kong)器(qi)鎖(suo)定(ding),燃(ran)燒器(qi)無法運行。
⑩自控設備(bei)損(sun)壞(huai)鎖定,信(xin)(xin)(xin)號(hao)無(wu)法(fa)(fa)傳遞或(huo)無(wu)信(xin)(xin)(xin)號(hao)源加熱爐(lu)(lu)分別設置(zhi)超(chao)(chao)溫(wen)、超(chao)(chao)壓等連鎖報警停(ting)爐(lu)(lu)參數,由外輸溫(wen)度超(chao)(chao)溫(wen)停(ting)爐(lu)(lu)、超(chao)(chao)壓停(ting)爐(lu)(lu)、爐(lu)(lu)水(shui)溫(wen)度超(chao)(chao)溫(wen)停(ting)爐(lu)(lu)、煙道超(chao)(chao)溫(wen)報警停(ting)爐(lu)(lu)及低(di)油(you)壓低(di)油(you)溫(wen)停(ting)爐(lu)(lu)低(di)水(shui)位停(ting)爐(lu)(lu)等報警連鎖組成,一旦鎖定,在(zai)未(wei)清(qing)除(chu)故(gu)(gu)障點(dian)進行停(ting)爐(lu)(lu)解鎖恢復后,燃(ran)燒器無(wu)法(fa)(fa)啟動(dong)運行;自動(dong)控制(zhi)環節中,安(an)裝了比(bi)調儀(yi)、模塊、安(an)全柵、及各(ge)類繼電(dian)器、壓力溫(wen)度傳感(gan)器以及信(xin)(xin)(xin)號(hao)傳輸電(dian)纜,有部件(jian)發生損(sun)壞(huai),信(xin)(xin)(xin)號(hao)無(wu)法(fa)(fa)及時傳遞或(huo)傳遞錯誤(wu)信(xin)(xin)(xin)號(hao),導致(zhi)燃(ran)燒器自控系統數據混(hun)亂,造成燃(ran)燒器無(wu)法(fa)(fa)正常啟動(dong)或(huo)啟動(dong)后因(yin)錯誤(wu)信(xin)(xin)(xin)號(hao)導致(zhi)的超(chao)(chao)溫(wen)超(chao)(chao)壓等事故(gu)(gu)。