燃氣熱風爐是一種以油和氣體為燃料,以空氣為載熱體,通過風機強制循環,經過換熱器換熱、空氣過濾器過濾后,發出干凈熱風的供暖設備。目前多用于汽車噴漆烘干,養殖場、生產車間等場所集中供暖。目前天然氣熱風爐使用率較高。
燃(ran)(ran)氣(qi)熱風(feng)爐是由燃(ran)(ran)燒室、板式換熱器、空氣(qi)過(guo)濾器、插入式高溫(wen)風(feng)機(ji)一起裝(zhuang)入一個保溫(wen)層(ceng)厚150毫(hao)米的外殼(ke)內,組(zu)成(cheng)三回程叉流板式結(jie)構四元一體化機(ji)組(zu);余熱回收裝(zhuang)在(zai)排(pai)煙出口,配套(tao)進口優質產(chan)品(pin)燃(ran)(ran)燒器,控制柜和供油系統組(zu)成(cheng)。詳(xiang)細結(jie)構組(zu)成(cheng)見下圖:
燃氣(qi)熱(re)風爐特點1、換熱(re)效率高,高達90%以上;2、制造工藝性好,排(pai)煙濃度低,對(dui)環(huan)境(jing)影響小;3、體積小;4、維護檢修(xiu)簡單;5、可節油5-8%;6、堅固耐(nai)用,壽命長;7、自(zi)動控溫,爐溫調節范圍60~220℃;8、停火后還可繼續工作15分鐘。
燃(ran)(ran)氣(qi)(qi)熱(re)(re)風(feng)爐分(fen)類與應(ying)用領域:按燃(ran)(ran)料(liao)類型分(fen)有:1、燃(ran)(ran)氣(qi)(qi)熱(re)(re)風(feng)爐(Y),燃(ran)(ran)料(liao)為(wei)柴油、重油;2、燃(ran)(ran)氣(qi)(qi)熱(re)(re)風(feng)爐(Q),燃(ran)(ran)料(liao)為(wei)天然氣(qi)(qi)、液化(hua)氣(qi)(qi)、煤氣(qi)(qi)。
燃氣(qi)熱風爐按(an)燃燒模(mo)式(shi)分(fen)有(you):1、間接加熱熱風爐(J),也稱分(fen)離型,被加熱的(de)(de)(de)新鮮(xian)空(kong)氣(qi)(稱工(gong)質)與(yu)煙氣(qi)是(shi)隔離進行(xing)熱交(jiao)換的(de)(de)(de),溫(wen)(wen)(wen)度(du)可(ke)達220℃。加熱的(de)(de)(de)高(gao)(gao)溫(wen)(wen)(wen)空(kong)氣(qi),清(qing)潔(jie),無污染,專為汽車(che)(che)和(he)機(ji)動車(che)(che)制(zhi)造(zao)業(ye)(ye)的(de)(de)(de)涂裝生產線,提(ti)供高(gao)(gao)溫(wen)(wen)(wen)熱風源,烘(hong)干烤(kao)漆噴塑車(che)(che)輛另(ling)部(bu)件、機(ji)器另(ling)部(bu)件、控(kong)制(zhi)箱柜(ju)和(he)電器,以及為化工(gong)、建材、食品(pin)、造(zao)紙等行(xing)業(ye)(ye)提(ti)供高(gao)(gao)溫(wen)(wen)(wen)清(qing)潔(jie)的(de)(de)(de)熱風源。 2、直燃式(shi)燃氣(qi)熱風爐(Z)既混(hun)合(he)型,新鮮(xian)空(kong)氣(qi)與(yu)高(gao)(gao)溫(wen)(wen)(wen)煙氣(qi)混(hun)合(he)做(zuo)為工(gong)質,工(gong)質溫(wen)(wen)(wen)度(du)可(ke)達到560℃、可(ke)供各種車(che)(che)輛涂裝生產線、鑄造(zao)砂型和(he)機(ji)器另(ling)部(bu)件等烘(hong)干;所產生的(de)(de)(de)高(gao)(gao)溫(wen)(wen)(wen)空(kong)氣(qi)清(qing)潔(jie),用途同上。
按照附加功能分(fen)有:1、帶(dai)廢氣(qi)(qi)處(chu)理(li)燃氣(qi)(qi)熱(re)風爐(lu)(lu)是(shi)在(zai)分(fen)離型燃氣(qi)(qi)熱(re)風爐(lu)(lu)上增加一套廢氣(qi)(qi)處(chu)理(li)裝(zhuang)置,焚(fen)燒工業(ye)有毒廢氣(qi)(qi),凈化率可達(da)99%以(yi)上,保持(chi)良好的(de)空(kong)(kong)氣(qi)(qi)質量,處(chu)理(li)量是(shi)助(zhu)燃空(kong)(kong)氣(qi)(qi)的(de)1-2倍、2、帶(dai)有余熱(re)回收(U)熱(re)風爐(lu)(lu)(>200Mcal),它是(shi)循(xun)環利用排(pai)煙(yan)的(de)余熱(re),節約能源,提(ti)高(gao)了熱(re)效率,降低排(pai)煙(yan)溫(wen)度和塵埃,改善(shan)空(kong)(kong)氣(qi)(qi)質量,創(chuang)造良好的(de)工況環境。3、廢氣(qi)(qi)焚(fen)燒爐(lu)(lu)(FF)主要用于焚(fen)燒工業(ye)有害廢氣(qi)(qi),所產生的(de)高(gao)溫(wen)煙(yan)氣(qi)(qi)可循(xun)環再利用,它是(shi)通過換(huan)(huan)熱(re)器換(huan)(huan)熱(re)加熱(re)的(de)高(gao)溫(wen)空(kong)(kong)氣(qi)(qi),烘烤汽(qi)車機動車另部件等(deng)。安裝(zhuang)形式有兩種:上進出口、下進出口。
燃氣熱風(feng)爐點火前的準備工(gong)作:1、檢查(cha)(cha)電(dian)氣控(kong)制柜是(shi)否處于待(dai)機狀態;2、應檢查(cha)(cha)供氣壓力(li)是(shi)否滿足要求,各(ge)閥(fa)門及管道有(you)無滲(shen)漏(lou),閥(fa)門關閉是(shi)否可靠,有(you)問(wen)題必須及時排除;3、檢查(cha)(cha)助燃風(feng)機、煙(yan)氣引風(feng)機、電(dian)機轉(zhuan)向(xiang)是(shi)否正確(que),調(diao)節(jie)風(feng)門是(shi)否靈(ling)活,可靠,并將風(feng)門調(diao)至“關”位置;4、檢查(cha)(cha)壓力(li)防爆孔開啟是(shi)否靈(ling)活。
燃(ran)(ran)氣(qi)熱(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)運(yun)行:1、啟(qi)動助(zhu)燃(ran)(ran)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)、引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji),打(da)開(kai)(kai)(kai)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)門(men)(men)抽風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)5~10分鐘,排除爐(lu)(lu)內(nei)(nei)殘余氣(qi)體,以(yi)免(mian)發生爆炸。此步(bu)驟千萬牢記。2、抽風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)完畢后(hou)(hou),關(guan)(guan)閉(bi)(bi)(bi)助(zhu)燃(ran)(ran)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)、減小引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)門(men)(men)的(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)度(du)(du)(du)(du)或(huo)關(guan)(guan)閉(bi)(bi)(bi)引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji),調(diao)節至爐(lu)(lu)膛(tang)內(nei)(nei)呈(cheng)(cheng)現微(wei)負壓5~20mm水柱。3、點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)棒(bang)(bang)著火(huo)(huo)(huo)(huo)(huo)。首先(xian)(xian)打(da)開(kai)(kai)(kai)常(chang)(chang)(chang)(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)1,開(kai)(kai)(kai)啟(qi)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)棒(bang)(bang)上(shang)的(de)(de)(de)(de)(de)(de)閥(fa)(fa)(fa)門(men)(men),然(ran)后(hou)(hou)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)。著火(huo)(huo)(huo)(huo)(huo)后(hou)(hou)調(diao)節點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)棒(bang)(bang)上(shang)閥(fa)(fa)(fa)門(men)(men)的(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)度(du)(du)(du)(du),使(shi)(shi)其(qi)(qi)火(huo)(huo)(huo)(huo)(huo)焰(yan)穩(wen)定(ding)。穩(wen)定(ding)后(hou)(hou)從(cong)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)孔處插(cha)入,讓其(qi)(qi)燃(ran)(ran)燒。4、爐(lu)(lu)膛(tang)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)。閥(fa)(fa)(fa)門(men)(men)開(kai)(kai)(kai)啟(qi)步(bu)驟如下:打(da)開(kai)(kai)(kai)常(chang)(chang)(chang)(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)——打(da)開(kai)(kai)(kai)控制(zhi)柜上(shang)的(de)(de)(de)(de)(de)(de)電磁閥(fa)(fa)(fa)開(kai)(kai)(kai)關(guan)(guan)——緩慢開(kai)(kai)(kai)啟(qi)常(chang)(chang)(chang)(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)3至爐(lu)(lu)膛(tang)點(dian)(dian)(dian)(dian)燃(ran)(ran)(開(kai)(kai)(kai)啟(qi)常(chang)(chang)(chang)(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)3時(shi),開(kai)(kai)(kai)啟(qi)應(ying)均勻,避免(mian)突(tu)然(ran)過(guo)(guo)大,造(zao)成大量(liang)氣(qi)體驟燃(ran)(ran)后(hou)(hou)向(xiang)外噴,造(zao)成危險)——啟(qi)動助(zhu)燃(ran)(ran)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)并(bing)調(diao)節風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)門(men)(men)的(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)度(du)(du)(du)(du),使(shi)(shi)其(qi)(qi)燃(ran)(ran)燒火(huo)(huo)(huo)(huo)(huo)焰(yan)呈(cheng)(cheng)現藍(lan)(lan)(lan)色(se)(se)——當電磁閥(fa)(fa)(fa)損(sun)壞或(huo)失(shi)靈,可關(guan)(guan)閉(bi)(bi)(bi)常(chang)(chang)(chang)(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)3和4,開(kai)(kai)(kai)啟(qi)常(chang)(chang)(chang)(chang)閉(bi)(bi)(bi)閥(fa)(fa)(fa)門(men)(men)2,使(shi)(shi)其(qi)(qi)系統正常(chang)(chang)(chang)(chang)。注意突(tu)然(ran)停電,及時(shi)關(guan)(guan)閉(bi)(bi)(bi)常(chang)(chang)(chang)(chang)閉(bi)(bi)(bi)閥(fa)(fa)(fa)門(men)(men)2,以(yi)免(mian)天然(ran)氣(qi)泄漏(lou)造(zao)成危險。5、關(guan)(guan)閉(bi)(bi)(bi)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)棒(bang)(bang),先(xian)(xian)關(guan)(guan)閉(bi)(bi)(bi)常(chang)(chang)(chang)(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)1,再關(guan)(guan)閉(bi)(bi)(bi)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)棒(bang)(bang)上(shang)的(de)(de)(de)(de)(de)(de)調(diao)節閥(fa)(fa)(fa)。6、加大引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)的(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)度(du)(du)(du)(du)或(huo)開(kai)(kai)(kai)啟(qi)引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)并(bing)調(diao)節風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)門(men)(men)。7、當爐(lu)(lu)膛(tang)點(dian)(dian)(dian)(dian)火(huo)(huo)(huo)(huo)(huo)未點(dian)(dian)(dian)(dian)燃(ran)(ran)或(huo)熄火(huo)(huo)(huo)(huo)(huo)后(hou)(hou),應(ying)重復上(shang)述(shu)步(bu)驟。8、升溫(wen)(wen)時(shi)首先(xian)(xian)逐漸(jian)加大氣(qi)量(liang),觀察(cha)火(huo)(huo)(huo)(huo)(huo)焰(yan)是(shi)否呈(cheng)(cheng)藍(lan)(lan)(lan)色(se)(se),并(bing)適當調(diao)節助(zhu)燃(ran)(ran)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)門(men)(men)的(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)度(du)(du)(du)(du),使(shi)(shi)其(qi)(qi)火(huo)(huo)(huo)(huo)(huo)焰(yan)呈(cheng)(cheng)藍(lan)(lan)(lan)色(se)(se),再調(diao)節引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)門(men)(men)的(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)度(du)(du)(du)(du),并(bing)保持(chi)爐(lu)(lu)膛(tang)內(nei)(nei)呈(cheng)(cheng)微(wei)負壓5~20mm水柱。9、升溫(wen)(wen)時(shi),應(ying)控制(zhi)好天然(ran)氣(qi)閥(fa)(fa)(fa)門(men)(men),助(zhu)燃(ran)(ran)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)及引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)門(men)(men)的(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)度(du)(du)(du)(du),使(shi)(shi)爐(lu)(lu)膛(tang)溫(wen)(wen)度(du)(du)(du)(du)逐漸(jian)升高,避免(mian)爐(lu)(lu)膛(tang)各(ge)部分因(yin)受熱(re)(re)不(bu)均而(er)產生過(guo)(guo)大熱(re)(re)應(ying)力(li)而(er)影(ying)響壽命(ming)10、升溫(wen)(wen)過(guo)(guo)程中(zhong),觀察(cha)燃(ran)(ran)燒火(huo)(huo)(huo)(huo)(huo)焰(yan),保持(chi)火(huo)(huo)(huo)(huo)(huo)焰(yan)呈(cheng)(cheng)藍(lan)(lan)(lan)色(se)(se)控制(zhi)爐(lu)(lu)氣(qi)溫(wen)(wen)度(du)(du)(du)(du)與(yu)流(liu)量(liang),同時(shi)調(diao)節鼓風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)的(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang),使(shi)(shi)爐(lu)(lu)體熱(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)出口保持(chi)在200~250℃。
燃(ran)氣(qi)熱風(feng)爐(lu)(lu)停爐(lu)(lu)操作:1、關(guan)閉(bi)(bi)常開閥門2、關(guan)閉(bi)(bi)電磁閥;3、關(guan)閉(bi)(bi)常開閥門4、待熱風(feng)溫度(du)降到150℃以(yi)下(xia),關(guan)閉(bi)(bi)助燃(ran)風(feng)機(ji)及煙氣(qi)引風(feng)機(ji);5、最后熱風(feng)溫度(du)降到80℃以(yi)下(xia),關(guan)閉(bi)(bi)鼓風(feng)機(ji)注意事項1、應防(fang)(fang)止爐(lu)(lu)內(nei)殘(can)(can)余(yu)氣(qi)體(ti)發生爆炸(zha);2、在熄火后重新點火產,必須(xu)啟動引風(feng)機(ji)及助燃(ran)風(feng)機(ji),排出(chu)爐(lu)(lu)內(nei)殘(can)(can)余(yu)氣(qi)體(ti),千萬牢記。3、經常檢(jian)查(cha)防(fang)(fang)爆孔開啟的靈活性(xing)。4、點火時爐(lu)(lu)膛內(nei)須(xu)為微負壓,不得(de)采(cai)用正壓點火。5、爐(lu)(lu)膛點火時,開啟天(tian)然氣(qi)閥門時均(jun)勻(yun)穩(wen)定,不得(de)突然加(jia)大開度(du)。
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