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。
燃氣(qi)(qi)熱(re)風爐是由燃燒(shao)室、板(ban)式換熱(re)器、空氣(qi)(qi)過濾器、插入式高溫風機一起(qi)裝(zhuang)入一個保(bao)溫層(ceng)厚150毫米的外(wai)殼內,組(zu)成(cheng)三回程叉流板(ban)式結構四元一體化機組(zu);余熱(re)回收(shou)裝(zhuang)在(zai)排煙出(chu)口,配套進口優(you)質(zhi)產品燃燒(shao)器,控制柜和供油系(xi)統組(zu)成(cheng)。詳(xiang)細結構組(zu)成(cheng)見下圖(tu):
燃氣熱風爐(lu)特點1、換(huan)熱效率(lv)高(gao),高(gao)達90%以上;2、制(zhi)造工(gong)藝性好,排煙濃度低,對環境影響(xiang)小(xiao);3、體(ti)積(ji)小(xiao);4、維(wei)護檢修簡單;5、可(ke)節(jie)油5-8%;6、堅固耐用,壽命(ming)長(chang);7、自動控溫(wen),爐(lu)溫(wen)調節(jie)范圍60~220℃;8、停火后還可(ke)繼續工(gong)作15分鐘。
燃(ran)氣熱(re)風爐分(fen)類與應用(yong)領域(yu):按(an)燃(ran)料(liao)類型分(fen)有:1、燃(ran)氣熱(re)風爐(Y),燃(ran)料(liao)為柴(chai)油、重(zhong)油;2、燃(ran)氣熱(re)風爐(Q),燃(ran)料(liao)為天然氣、液化(hua)氣、煤氣。
燃(ran)(ran)氣熱(re)(re)風爐按燃(ran)(ran)燒模式分有:1、間接(jie)加(jia)熱(re)(re)熱(re)(re)風爐(J),也稱(cheng)分離型(xing)(xing),被加(jia)熱(re)(re)的新鮮空(kong)(kong)氣(稱(cheng)工(gong)(gong)質)與(yu)煙氣是隔離進行熱(re)(re)交換的,溫(wen)(wen)度(du)可(ke)達(da)220℃。加(jia)熱(re)(re)的高(gao)溫(wen)(wen)空(kong)(kong)氣,清潔,無(wu)污染,專為汽(qi)車(che)(che)和機(ji)動(dong)車(che)(che)制造(zao)業的涂裝生(sheng)(sheng)產(chan)線,提供(gong)高(gao)溫(wen)(wen)熱(re)(re)風源(yuan),烘干烤漆(qi)噴塑車(che)(che)輛(liang)(liang)另(ling)部(bu)件(jian)、機(ji)器(qi)另(ling)部(bu)件(jian)、控制箱(xiang)柜和電器(qi),以(yi)及為化工(gong)(gong)、建材、食品、造(zao)紙等行業提供(gong)高(gao)溫(wen)(wen)清潔的熱(re)(re)風源(yuan)。 2、直燃(ran)(ran)式燃(ran)(ran)氣熱(re)(re)風爐(Z)既混合型(xing)(xing),新鮮空(kong)(kong)氣與(yu)高(gao)溫(wen)(wen)煙氣混合做為工(gong)(gong)質,工(gong)(gong)質溫(wen)(wen)度(du)可(ke)達(da)到560℃、可(ke)供(gong)各種(zhong)車(che)(che)輛(liang)(liang)涂裝生(sheng)(sheng)產(chan)線、鑄造(zao)砂型(xing)(xing)和機(ji)器(qi)另(ling)部(bu)件(jian)等烘干;所(suo)產(chan)生(sheng)(sheng)的高(gao)溫(wen)(wen)空(kong)(kong)氣清潔,用(yong)途同上。
按(an)照附加功能分(fen)有(you)(you):1、帶廢(fei)氣處(chu)理燃氣熱(re)(re)(re)風爐是在分(fen)離型(xing)燃氣熱(re)(re)(re)風爐上(shang)增加一套廢(fei)氣處(chu)理裝置,焚燒工(gong)業有(you)(you)毒廢(fei)氣,凈(jing)化率(lv)可(ke)達99%以上(shang),保持良(liang)好的(de)(de)空(kong)(kong)氣質(zhi)量,處(chu)理量是助(zhu)燃空(kong)(kong)氣的(de)(de)1-2倍、2、帶有(you)(you)余熱(re)(re)(re)回收(U)熱(re)(re)(re)風爐(>200Mcal),它是循環利用(yong)排煙(yan)(yan)的(de)(de)余熱(re)(re)(re),節約能源,提高了(le)熱(re)(re)(re)效(xiao)率(lv),降(jiang)低排煙(yan)(yan)溫(wen)度和塵埃,改善空(kong)(kong)氣質(zhi)量,創造良(liang)好的(de)(de)工(gong)況(kuang)環境。3、廢(fei)氣焚燒爐(FF)主要用(yong)于焚燒工(gong)業有(you)(you)害廢(fei)氣,所產生的(de)(de)高溫(wen)煙(yan)(yan)氣可(ke)循環再利用(yong),它是通過(guo)換熱(re)(re)(re)器換熱(re)(re)(re)加熱(re)(re)(re)的(de)(de)高溫(wen)空(kong)(kong)氣,烘烤汽(qi)車機動車另部件等。安裝形式有(you)(you)兩種:上(shang)進出(chu)口、下(xia)進出(chu)口。
燃(ran)氣熱風(feng)爐(lu)點(dian)火(huo)前的準(zhun)備工作:1、檢(jian)(jian)查電(dian)氣控制柜(ju)是(shi)(shi)(shi)否(fou)處于(yu)待機(ji)狀態;2、應檢(jian)(jian)查供氣壓(ya)力是(shi)(shi)(shi)否(fou)滿足要求(qiu),各閥(fa)門及管(guan)道有無滲漏,閥(fa)門關閉是(shi)(shi)(shi)否(fou)可靠,有問(wen)題(ti)必須及時排除;3、檢(jian)(jian)查助燃(ran)風(feng)機(ji)、煙(yan)氣引風(feng)機(ji)、電(dian)機(ji)轉向是(shi)(shi)(shi)否(fou)正確,調(diao)節風(feng)門是(shi)(shi)(shi)否(fou)靈活,可靠,并將風(feng)門調(diao)至“關”位置(zhi);4、檢(jian)(jian)查壓(ya)力防爆孔開(kai)啟是(shi)(shi)(shi)否(fou)靈活。
燃(ran)氣(qi)(qi)熱(re)風(feng)(feng)(feng)(feng)爐(lu)(lu)點(dian)(dian)(dian)火(huo)(huo)運(yun)行:1、啟(qi)(qi)(qi)(qi)動助(zhu)燃(ran)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)、引風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),打(da)(da)開(kai)(kai)(kai)風(feng)(feng)(feng)(feng)門(men)(men)(men)(men)(men)(men)(men)抽風(feng)(feng)(feng)(feng)5~10分鐘(zhong),排除爐(lu)(lu)內(nei)殘余(yu)氣(qi)(qi)體,以免(mian)發生爆炸(zha)。此步驟千(qian)萬牢(lao)記(ji)。2、抽風(feng)(feng)(feng)(feng)完畢后(hou),關閉(bi)(bi)(bi)助(zhu)燃(ran)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)、減小(xiao)引風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)風(feng)(feng)(feng)(feng)門(men)(men)(men)(men)(men)(men)(men)的(de)開(kai)(kai)(kai)度(du)或關閉(bi)(bi)(bi)引風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),調(diao)節(jie)(jie)至爐(lu)(lu)膛(tang)(tang)內(nei)呈(cheng)現微負壓(ya)5~20mm水柱(zhu)。3、點(dian)(dian)(dian)火(huo)(huo)棒(bang)著(zhu)火(huo)(huo)。首先打(da)(da)開(kai)(kai)(kai)常(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)1,開(kai)(kai)(kai)啟(qi)(qi)(qi)(qi)點(dian)(dian)(dian)火(huo)(huo)棒(bang)上(shang)的(de)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men),然(ran)后(hou)點(dian)(dian)(dian)火(huo)(huo)。著(zhu)火(huo)(huo)后(hou)調(diao)節(jie)(jie)點(dian)(dian)(dian)火(huo)(huo)棒(bang)上(shang)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)的(de)開(kai)(kai)(kai)度(du),使(shi)(shi)其(qi)火(huo)(huo)焰(yan)(yan)(yan)穩(wen)定。穩(wen)定后(hou)從(cong)點(dian)(dian)(dian)火(huo)(huo)孔處插入,讓其(qi)燃(ran)燒(shao)。4、爐(lu)(lu)膛(tang)(tang)點(dian)(dian)(dian)火(huo)(huo)。閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)開(kai)(kai)(kai)啟(qi)(qi)(qi)(qi)步驟如下:打(da)(da)開(kai)(kai)(kai)常(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)——打(da)(da)開(kai)(kai)(kai)控(kong)制柜上(shang)的(de)電磁閥(fa)(fa)(fa)開(kai)(kai)(kai)關——緩慢開(kai)(kai)(kai)啟(qi)(qi)(qi)(qi)常(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)3至爐(lu)(lu)膛(tang)(tang)點(dian)(dian)(dian)燃(ran)(開(kai)(kai)(kai)啟(qi)(qi)(qi)(qi)常(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)3時,開(kai)(kai)(kai)啟(qi)(qi)(qi)(qi)應(ying)均勻(yun),避(bi)免(mian)突然(ran)過(guo)大(da)(da),造(zao)(zao)成大(da)(da)量氣(qi)(qi)體驟燃(ran)后(hou)向(xiang)外噴,造(zao)(zao)成危(wei)險(xian))——啟(qi)(qi)(qi)(qi)動助(zhu)燃(ran)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)并調(diao)節(jie)(jie)風(feng)(feng)(feng)(feng)門(men)(men)(men)(men)(men)(men)(men)的(de)開(kai)(kai)(kai)度(du),使(shi)(shi)其(qi)燃(ran)燒(shao)火(huo)(huo)焰(yan)(yan)(yan)呈(cheng)現藍(lan)(lan)色(se)——當電磁閥(fa)(fa)(fa)損壞或失靈,可(ke)關閉(bi)(bi)(bi)常(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)3和4,開(kai)(kai)(kai)啟(qi)(qi)(qi)(qi)常(chang)閉(bi)(bi)(bi)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)2,使(shi)(shi)其(qi)系統正常(chang)。注意(yi)突然(ran)停(ting)電,及(ji)時關閉(bi)(bi)(bi)常(chang)閉(bi)(bi)(bi)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)2,以免(mian)天(tian)然(ran)氣(qi)(qi)泄(xie)漏造(zao)(zao)成危(wei)險(xian)。5、關閉(bi)(bi)(bi)點(dian)(dian)(dian)火(huo)(huo)棒(bang),先關閉(bi)(bi)(bi)常(chang)開(kai)(kai)(kai)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men)1,再(zai)關閉(bi)(bi)(bi)點(dian)(dian)(dian)火(huo)(huo)棒(bang)上(shang)的(de)調(diao)節(jie)(jie)閥(fa)(fa)(fa)。6、加(jia)大(da)(da)引風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)的(de)開(kai)(kai)(kai)度(du)或開(kai)(kai)(kai)啟(qi)(qi)(qi)(qi)引風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)并調(diao)節(jie)(jie)風(feng)(feng)(feng)(feng)門(men)(men)(men)(men)(men)(men)(men)。7、當爐(lu)(lu)膛(tang)(tang)點(dian)(dian)(dian)火(huo)(huo)未點(dian)(dian)(dian)燃(ran)或熄火(huo)(huo)后(hou),應(ying)重(zhong)復上(shang)述步驟。8、升溫(wen)時首先逐漸加(jia)大(da)(da)氣(qi)(qi)量,觀察(cha)火(huo)(huo)焰(yan)(yan)(yan)是否呈(cheng)藍(lan)(lan)色(se),并適當調(diao)節(jie)(jie)助(zhu)燃(ran)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)風(feng)(feng)(feng)(feng)門(men)(men)(men)(men)(men)(men)(men)的(de)開(kai)(kai)(kai)度(du),使(shi)(shi)其(qi)火(huo)(huo)焰(yan)(yan)(yan)呈(cheng)藍(lan)(lan)色(se),再(zai)調(diao)節(jie)(jie)引風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)風(feng)(feng)(feng)(feng)門(men)(men)(men)(men)(men)(men)(men)的(de)開(kai)(kai)(kai)度(du),并保(bao)持爐(lu)(lu)膛(tang)(tang)內(nei)呈(cheng)微負壓(ya)5~20mm水柱(zhu)。9、升溫(wen)時,應(ying)控(kong)制好天(tian)然(ran)氣(qi)(qi)閥(fa)(fa)(fa)門(men)(men)(men)(men)(men)(men)(men),助(zhu)燃(ran)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)及(ji)引風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)風(feng)(feng)(feng)(feng)門(men)(men)(men)(men)(men)(men)(men)的(de)開(kai)(kai)(kai)度(du),使(shi)(shi)爐(lu)(lu)膛(tang)(tang)溫(wen)度(du)逐漸升高(gao),避(bi)免(mian)爐(lu)(lu)膛(tang)(tang)各部分因(yin)受熱(re)不均而產生過(guo)大(da)(da)熱(re)應(ying)力而影響壽命10、升溫(wen)過(guo)程中,觀察(cha)燃(ran)燒(shao)火(huo)(huo)焰(yan)(yan)(yan),保(bao)持火(huo)(huo)焰(yan)(yan)(yan)呈(cheng)藍(lan)(lan)色(se)控(kong)制爐(lu)(lu)氣(qi)(qi)溫(wen)度(du)與流量,同(tong)時調(diao)節(jie)(jie)鼓(gu)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)的(de)風(feng)(feng)(feng)(feng)量,使(shi)(shi)爐(lu)(lu)體熱(re)風(feng)(feng)(feng)(feng)出口(kou)保(bao)持在200~250℃。
燃氣(qi)(qi)熱風(feng)爐(lu)(lu)(lu)停(ting)爐(lu)(lu)(lu)操作:1、關閉(bi)常(chang)(chang)開閥門(men)2、關閉(bi)電磁閥;3、關閉(bi)常(chang)(chang)開閥門(men)4、待熱風(feng)溫度降到150℃以(yi)下,關閉(bi)助(zhu)燃風(feng)機(ji)及煙氣(qi)(qi)引(yin)風(feng)機(ji);5、最后熱風(feng)溫度降到80℃以(yi)下,關閉(bi)鼓風(feng)機(ji)注(zhu)意事項1、應防止爐(lu)(lu)(lu)內(nei)殘(can)余氣(qi)(qi)體發生爆(bao)炸(zha);2、在熄火(huo)后重(zhong)新點火(huo)產,必須啟(qi)動(dong)引(yin)風(feng)機(ji)及助(zhu)燃風(feng)機(ji),排出爐(lu)(lu)(lu)內(nei)殘(can)余氣(qi)(qi)體,千萬牢記。3、經常(chang)(chang)檢查防爆(bao)孔開啟(qi)的靈活(huo)性。4、點火(huo)時(shi)爐(lu)(lu)(lu)膛內(nei)須為微負壓,不得采用(yong)正壓點火(huo)。5、爐(lu)(lu)(lu)膛點火(huo)時(shi),開啟(qi)天然氣(qi)(qi)閥門(men)時(shi)均勻穩定,不得突然加(jia)大開度。
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