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霍(huo)(huo)戈(ge)(ge)(ge)文(wen)內燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐是內燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐改造最成(cheng)功的(de)(de)(de)(de)(de)代表，其(qi)主要技術(shu)特征是：(1)采(cai)(cai)用(yong)懸(xuan)鏈(lian)線拱頂(ding)。這(zhe)類拱頂(ding)結 構穩(wen)定性強，氣流分布好，拱頂(ding)與(yu)爐墻(qiang)砌體完全分開，避免(mian)拱頂(ding)在(zai)升溫(wen)期和(he)涼爐過程中(zhong)與(yu)大墻(qiang)之(zhi)間相互作用(yong)產生移動(dong)；(2)自立式(shi)(shi)(shi)(shi)(shi)(shi)滑(hua)動(dong)隔(ge)(ge)墻(qiang)；(3)眼睛形(xing)燃(ran)(ran)(ran)燒室和(he)與(yu)之(zhi)相匹(pi)配的(de)(de)(de)(de)(de)矩(ju)形(xing)套筒式(shi)(shi)(shi)(shi)(shi)(shi)陶瓷(ci)燃(ran)(ran)(ran)燒器；(4)燃(ran)(ran)(ran)燒室下(xia)部隔(ge)(ge)墻(qiang)由隔(ge)(ge)熱(re)(re)(re)(re)(re)磚和(he)耐火磚組成(cheng)，燃(ran)(ran)(ran)燒室隔(ge)(ge)墻(qiang)的(de)(de)(de)(de)(de)溫(wen)度(du)(du)梯度(du)(du)小，有利于降低耐火磚熱(re)(re)(re)(re)(re)應力，防止燃(ran)(ran)(ran)燒室與(yu)蓄熱(re)(re)(re)(re)(re)室的(de)(de)(de)(de)(de)竄風(feng)(feng)(feng)(feng)。霍(huo)(huo)戈(ge)(ge)(ge)文(wen)內燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐與(yu)同(tong)級別外燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐相比，具有占地面積(ji)小、建設(she)費用(yong)低等(deng)優點。生產實踐證實，霍(huo)(huo)戈(ge)(ge)(ge)文(wen)改造型內燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐可以(yi)滿足高(gao)風(feng)(feng)(feng)(feng)溫(wen)長(chang)壽的(de)(de)(de)(de)(de)要求。我(wo)國內燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐技術(shu)的(de)(de)(de)(de)(de)發展，受到了(le)霍(huo)(huo)戈(ge)(ge)(ge)文(wen)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐技術(shu)的(de)(de)(de)(de)(de)啟發，引(yin)進了(le)霍(huo)(huo)戈(ge)(ge)(ge)文(wen)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐的(de)(de)(de)(de)(de)一些關(guan)鍵(jian)技術(shu)。新建的(de)(de)(de)(de)(de)2500~3200m3級的(de)(de)(de)(de)(de)高(gao)爐許多都是采(cai)(cai)用(yong)霍(huo)(huo)戈(ge)(ge)(ge)文(wen)內燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐，平均風(feng)(feng)(feng)(feng)溫(wen)達(da)到1150~1200℃。其(qi)中(zhong)，鞍鋼新1號(hao)高(gao)爐以(yi)及(ji)(ji)梅山2號(hao)高(gao)爐的(de)(de)(de)(de)(de)霍(huo)(huo)戈(ge)(ge)(ge)文(wen)內燃(ran)(ran)(ran)式(shi)(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)(re)風(feng)(feng)(feng)(feng)爐采(cai)(cai)用(yong)了(le)矩(ju)形(xing)燃(ran)(ran)(ran)燒器、獨特的(de)(de)(de)(de)(de)隔(ge)(ge)墻(qiang)設(she)計(ji)、隨溫(wen)度(du)(du)變化的(de)(de)(de)(de)(de)滑(hua)動(dong)結構、懸(xuan)鏈(lian)式(shi)(shi)(shi)(shi)(shi)(shi)拱頂(ding)以(yi)及(ji)(ji)板塊式(shi)(shi)(shi)(shi)(shi)(shi)吸(xi)收膨脹等(deng)措施，實現(xian)了(le)1200℃以(yi)上的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)溫(wen)。

雖然霍戈(ge)文(wen)式熱風(feng)爐對傳統的內(nei)燃(ran)(ran)式熱風(feng)爐進(jin)行了(le)全面、徹(che)底的改進(jin)，但內(nei)燃(ran)(ran)式熱風(feng)爐仍在結(jie)構上(shang)仍存(cun)在著缺點：燃(ran)(ran)燒室(shi)偏置一側使氣流分布不均勻，限制了(le)熱風(feng)爐本(ben)體進(jin)一步擴大直徑(jing)；另外，燃(ran)(ran)燒室(shi)隔墻(qiang)結(jie)構復雜。

(2)外燃式熱風(feng)爐

外燃式(shi)(shi)(shi)(shi)熱(re)(re)風(feng)(feng)爐(lu)(lu)主要(yao)類(lei)型有(you)地(di)得(de)(de)式(shi)(shi)(shi)(shi)(Didier) 、馬(ma)琴式(shi)(shi)(shi)(shi)(Martin and Page n stecher) 和(he)(he)新日鐵式(shi)(shi)(shi)(shi)(NSC) 幾種。這些(xie)外燃式(shi)(shi)(shi)(shi)熱(re)(re)風(feng)(feng)爐(lu)(lu)的(de)技術特征主要(yao)表現在(zai)拱(gong)頂及其連接(jie)的(de)方式(shi)(shi)(shi)(shi)上(shang)。地(di)得(de)(de)式(shi)(shi)(shi)(shi)外燃式(shi)(shi)(shi)(shi)熱(re)(re)風(feng)(feng)爐(lu)(lu)的(de)拱(gong)頂由半(ban)(ban)(ban)個(ge)截頭圓(yuan)錐體(ti)聯接(jie)兩個(ge)半(ban)(ban)(ban)徑不同的(de)接(jie)近1/4的(de)球(qiu)形(xing)拱(gong)頂組成(cheng)，整個(ge)拱(gong)頂整體(ti)結構(gou)呈半(ban)(ban)(ban)卵形(xing)；馬(ma)琴型外燃式(shi)(shi)(shi)(shi)熱(re)(re)風(feng)(feng)爐(lu)(lu)的(de)蓄(xu)熱(re)(re)室(shi)(shi)頂部(bu)具有(you)圓(yuan)錐形(xing)的(de)縮口，蓄(xu)熱(re)(re)室(shi)(shi)頂部(bu)直徑與(yu)燃燒(shao)室(shi)(shi)相同，拱(gong)頂由兩個(ge)半(ban)(ban)(ban)徑相同的(de)1/4球(qiu)形(xing)拱(gong)頂和(he)(he)大半(ban)(ban)(ban)個(ge)圓(yuan)柱體(ti)組成(cheng)。地(di)得(de)(de)式(shi)(shi)(shi)(shi)拱(gong)頂結構(gou)龐(pang)大，且穩定性差，而(er)馬(ma)琴式(shi)(shi)(shi)(shi)和(he)(he)新日鐵式(shi)(shi)(shi)(shi)蓄(xu)熱(re)(re)室(shi)(shi)內氣流分布(bu)較均勻，因(yin)此，20世紀(ji)70年代新建的(de)外燃式(shi)(shi)(shi)(shi)熱(re)(re)風(feng)(feng)爐(lu)(lu)基本(ben)淘汰了(le)地(di)得(de)(de)式(shi)(shi)(shi)(shi)熱(re)(re)風(feng)(feng)爐(lu)(lu)。

從使(shi)(shi)用(yong)情況來看，使(shi)(shi)用(yong)數量(liang)最(zui)多、應用(yong)效(xiao)果最(zui)好(hao)的(de)(de)(de)為新(xin)(xin)日鐵(tie)外(wai)燃(ran)式(shi)熱(re)風(feng)(feng)爐(lu)。日本新(xin)(xin)日鐵(tie)4座(zuo)5000m3以上(shang)的(de)(de)(de)高(gao)爐(lu)均配備(bei)了(le)新(xin)(xin)日鐵(tie)式(shi)熱(re)風(feng)(feng)爐(lu)。新(xin)(xin)曰鐵(tie)式(shi)外(wai)燃(ran)熱(re)風(feng)(feng)爐(lu)的(de)(de)(de)技術優點(dian)(dian)是：①拱(gong)頂(ding)(ding)結(jie)(jie)(jie)構(gou)(gou)對稱，氣流分布(bu)較好(hao)；②結(jie)(jie)(jie)構(gou)(gou)的(de)(de)(de)長期(qi)穩定性較好(hao)；③拱(gong)頂(ding)(ding)連接管設置波(bo)形膨(peng)脹圈，并用(yong)拉桿固定，形成(cheng)(cheng)柔性.結(jie)(jie)(jie)構(gou)(gou)。其缺點(dian)(dian)是：①投(tou)資多，占地面積(ji)大，建設投(tou)資比(bi)同(tong)規模的(de)(de)(de)內燃(ran)式(shi)熱(re)風(feng)(feng)爐(lu)高(gao)約30%；②拱(gong)頂(ding)(ding)結(jie)(jie)(jie)構(gou)(gou)熱(re)應力大，高(gao)溫(wen)高(gao)壓(ya)條件下容易產生晶間應力腐(fu)蝕現象，造(zao)成(cheng)(cheng)鋼殼開裂，迫使(shi)(shi)許多外(wai)燃(ran)式(shi)熱(re)風(feng)(feng)爐(lu)將(jiang)頂(ding)(ding)溫(wen)限制在1400~1450℃，從而限制了(le)風(feng)(feng)溫(wen)的(de)(de)(de)進一(yi)步(bu)提高(gao)；③耐火材料結(jie)(jie)(jie)構(gou)(gou)和(he)磚型復雜。

(3)頂燃(ran)式熱風爐(lu) 

早在(zai)20世紀20年代， 德國(guo)人哈特曼(Hartmann) 就提(ti)出(chu)了(le)(le)應(ying)用(yong)(yong)頂(ding)燃(ran)(ran)(ran)式熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)的(de)設想， 將燃(ran)(ran)(ran)燒(shao)室(shi)放(fang)置(zhi)(zhi)在(zai)熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)頂(ding)部，下(xia)部空間作為蓄(xu)熱(re)(re)(re)室(shi)，但未受到重(zhong)視，直到60年代，由于(yu)高(gao)(gao)風(feng)(feng)溫的(de)要(yao)求，各(ge)國(guo)冶金工作者才(cai)開始(shi)了(le)(le)對(dui)頂(ding)燃(ran)(ran)(ran)式熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)的(de)研究(jiu)。頂(ding)燃(ran)(ran)(ran)式熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)的(de)結(jie)構(gou)設計(ji)充分吸收了(le)(le)內燃(ran)(ran)(ran)式、外(wai)燃(ran)(ran)(ran)式熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)的(de)技術優點(dian)。和(he)(he)內燃(ran)(ran)(ran)式、外(wai)燃(ran)(ran)(ran)式熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)相比，頂(ding)燃(ran)(ran)(ran)式熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)具有(you)如下(xia)特點(dian)：①同內燃(ran)(ran)(ran)式熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)相比，取消了(le)(le)燃(ran)(ran)(ran)燒(shao)室(shi)和(he)(he)隔(ge)墻，不存在(zai)隔(ge)墻受熱(re)(re)(re)不均勻的(de)問題，擴大(da)了(le)(le)蓄(xu)熱(re)(re)(re)室(shi)容積(ji)，在(zai)相同的(de)熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)容積(ji)下(xia)，蓄(xu)熱(re)(re)(re)面積(ji)增加25%~30%；②拱頂(ding)為半圓形，均勻對(dui)稱，爐(lu)(lu)(lu)型簡單，結(jie)構(gou)穩定性(xing)增強；③采用(yong)(yong)大(da)功率(lv)短(duan)焰燃(ran)(ran)(ran)燒(shao)器，直接安裝在(zai)拱頂(ding)部位燃(ran)(ran)(ran)燒(shao)，使(shi)高(gao)(gao)溫熱(re)(re)(re)量集(ji)中在(zai)拱頂(ding)部位，減少(shao)了(le)(le)燃(ran)(ran)(ran)燒(shao)時(shi)的(de)熱(re)(re)(re)損失，有(you)利于(yu)提(ti)高(gao)(gao)拱頂(ding)溫度；④熱(re)(re)(re)效(xiao)率(lv)提(ti)高(gao)(gao)。在(zai)燃(ran)(ran)(ran)燒(shao)期(qi)，高(gao)(gao)溫煙氣由上(shang)而下(xia)流動，送風(feng)(feng)期(qi)冷風(feng)(feng)由下(xia)而上(shang)流動，逆向強化換熱(re)(re)(re)有(you)利于(yu)提(ti)高(gao)(gao)熱(re)(re)(re)風(feng)(feng)爐(lu)(lu)(lu)熱(re)(re)(re)效(xiao)率(lv)；⑤布(bu)置(zhi)(zhi)緊(jin)湊，占地面積(ji)小，節約投(tou)資。

隨著頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)在(zai)我國(guo)(guo)得到(dao)廣泛推廣應用(yong)，我國(guo)(guo)在(zai)總結(jie)頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)技術經驗(yan)的(de)(de)基礎上(shang)(shang)，自主研(yan)制開發(fa)出了多(duo)種多(duo)樣的(de)(de)頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)結(jie)構(gou)形式(shi)(shi)，在(zai)工(gong)程和(he)生產(chan)(chan)實(shi)踐(jian)(jian)(jian)中得到(dao)應用(yong)。1979年(nian)，我國(guo)(guo)首(shou)鋼2號(hao)(hao)高(gao)爐(lu)(lu)(1327m3)4座(zuo)頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)的(de)(de)投入(ru)工(gong)業(ye)應用(yong)，在(zai)國(guo)(guo)內外引起不(bu)小的(de)(de)震動，這是世(shi)界上(shang)(shang)首(shou)次將頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)在(zai)1000m3以(yi)上(shang)(shang)的(de)(de)高(gao)爐(lu)(lu)上(shang)(shang)正式(shi)(shi)投入(ru)工(gong)業(ye)化應用(yong)。首(shou)鋼型(xing)燃(ran)燒器(qi)直(zhi)接在(zai)拱(gong)(gong)頂(ding)(ding)(ding)(ding)(ding)直(zhi)段(duan)側面(mian)設置(zhi)1個以(yi)上(shang)(shang)大功(gong)率(lv)(lv)燒嘴(zui)(zui)(zui)，煤氣和(he)空氣首(shou)先進入(ru)燒嘴(zui)(zui)(zui)混(hun)合，再進入(ru)混(hun)合道進一步混(hun)合，實(shi)踐(jian)(jian)(jian)證明，該熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)在(zai)配5%左右的(de)(de)焦爐(lu)(lu)煤氣條件下，拱(gong)(gong)頂(ding)(ding)(ding)(ding)(ding)溫(wen)度(du)可達1380℃，最高(gao)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)溫(wen)為(wei)1200~1250℃。但是由于(yu)混(hun)合道在(zai)送風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)期和(he)燃(ran)燒期溫(wen)差較大，導致很容易(yi)損(sun)壞(huai)，發(fa)生爐(lu)(lu)殼(ke)燒紅等現象。承鋼第一座(zuo)旋(xuan)流頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)始建于(yu)1993年(nian)，經過不(bu)斷(duan)地(di)探索、完善，旋(xuan)流頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)技術得到(dao)了迅(xun)速發(fa)展。生產(chan)(chan)實(shi)踐(jian)(jian)(jian)證明，旋(xuan)流頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)具有(you)燃(ran)燒效率(lv)(lv)高(gao)、風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)溫(wen)高(gao)、結(jie)構(gou)穩定等優(you)點(dian)。其缺點(dian)是燃(ran)燒器(qi)易(yi)燒損(sun)、燒嘴(zui)(zui)(zui)個數多(duo)、間距小、爐(lu)(lu)殼(ke)溫(wen)度(du)較高(gao)。我國(guo)(guo)自主研(yan)制開發(fa)的(de)(de)球(qiu)(qiu)(qiu)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)是頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)的(de)(de)另外一種類型(xing)，球(qiu)(qiu)(qiu)式(shi)(shi)頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)具有(you)體積(ji)小、結(jie)構(gou)簡單(dan)、熱(re)(re)(re)效率(lv)(lv)高(gao)、風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)溫(wen)高(gao)等優(you)點(dian)。由于(yu)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)球(qiu)(qiu)(qiu)床阻(zu)力較大，要(yao)求助燃(ran)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)的(de)(de)配套電機(ji)功(gong)率(lv)(lv)大，因此能耗較高(gao)。目前(qian)，柳(liu)鋼7號(hao)(hao)1080m3、8號(hao)(hao)1260m3和(he)新(xin)4號(hao)(hao)1260m3高(gao)爐(lu)(lu)均采用(yong)球(qiu)(qiu)(qiu)式(shi)(shi)頂(ding)(ding)(ding)(ding)(ding)燃(ran)式(shi)(shi)熱(re)(re)(re)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)爐(lu)(lu)，2007年(nian)4月份(fen)平均風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)溫(wen)達到(dao)1220℃。

卡(ka)魯金(jin)頂(ding)(ding)(ding)燃(ran)(ran)(ran)(ran)(ran)式(shi)熱(re)(re)(re)風(feng)爐實(shi)際使用(yong)效(xiao)果(guo)良(liang)好，可以提(ti)(ti)供1200℃以上(shang)(shang)的(de)(de)(de)(de)風(feng)溫(wen)(wen)(wen)，使用(yong)壽命較長(chang)，所以在(zai)許多(duo)國家被廣(guang)泛使用(yong)。與其它頂(ding)(ding)(ding)燃(ran)(ran)(ran)(ran)(ran)式(shi)熱(re)(re)(re)風(feng)爐相比主要在(zai)燃(ran)(ran)(ran)(ran)(ran)燒(shao)器、燃(ran)(ran)(ran)(ran)(ran)燒(shao)室(shi)(shi)結構(gou)上(shang)(shang)作(zuo)了(le)(le)(le)(le)重大改進。其獨特(te)(te)的(de)(de)(de)(de)技術(shu)特(te)(te)征(zheng)主要有(you)以下(xia)幾(ji)點：(1)卡(ka)魯金(jin)頂(ding)(ding)(ding)燃(ran)(ran)(ran)(ran)(ran)式(shi)熱(re)(re)(re)風(feng)爐的(de)(de)(de)(de)陶(tao)瓷(ci)(ci)燃(ran)(ran)(ran)(ran)(ran)燒(shao)器設置在(zai)熱(re)(re)(re)風(feng)爐拱(gong)頂(ding)(ding)(ding)部位(wei)，采用(yong)多(duo)燒(shao)嘴環(huan)形陶(tao)瓷(ci)(ci)燃(ran)(ran)(ran)(ran)(ran)燒(shao)器，煤(mei)氣(qi)(qi)(qi)與助燃(ran)(ran)(ran)(ran)(ran)空(kong)氣(qi)(qi)(qi)混合(he)良(liang)好，徹底消除了(le)(le)(le)(le)燃(ran)(ran)(ran)(ran)(ran)燒(shao)脈動，具有(you)較廣(guang)泛的(de)(de)(de)(de)適應(ying)(ying)性。既(ji)可以適應(ying)(ying)預熱(re)(re)(re)后的(de)(de)(de)(de)較高(gao)(gao)溫(wen)(wen)(wen)度的(de)(de)(de)(de)助燃(ran)(ran)(ran)(ran)(ran)空(kong)氣(qi)(qi)(qi)和(he)煤(mei)氣(qi)(qi)(qi)工況(kuang)(kuang)，又能適應(ying)(ying)常溫(wen)(wen)(wen)下(xia)的(de)(de)(de)(de)助燃(ran)(ran)(ran)(ran)(ran)空(kong)氣(qi)(qi)(qi)和(he)煤(mei)氣(qi)(qi)(qi)工況(kuang)(kuang)，而且燃(ran)(ran)(ran)(ran)(ran)燒(shao)功率(lv)(lv)大、燃(ran)(ran)(ran)(ran)(ran)燒(shao)效(xiao)率(lv)(lv)高(gao)(gao)、燃(ran)(ran)(ran)(ran)(ran)燒(shao)穩定(ding)、使用(yong)壽命較長(chang)。采用(yong)了(le)(le)(le)(le)特(te)(te)殊(shu)的(de)(de)(de)(de)旋流(liu)燃(ran)(ran)(ran)(ran)(ran)燒(shao)技術(shu)，實(shi)現了(le)(le)(le)(le)空(kong)氣(qi)(qi)(qi)和(he)煤(mei)氣(qi)(qi)(qi)的(de)(de)(de)(de)充分(fen)混合(he)和(he)燃(ran)(ran)(ran)(ran)(ran)燒(shao)，提(ti)(ti)高(gao)(gao)了(le)(le)(le)(le)理論燃(ran)(ran)(ran)(ran)(ran)燒(shao)溫(wen)(wen)(wen)度，從而有(you)效(xiao)地提(ti)(ti)高(gao)(gao)了(le)(le)(le)(le)熱(re)(re)(re)風(feng)溫(wen)(wen)(wen)度；(2)熱(re)(re)(re)風(feng)爐陶(tao)瓷(ci)(ci)燃(ran)(ran)(ran)(ran)(ran)燒(shao)器混合(he)室(shi)(shi)球頂(ding)(ding)(ding)不是溫(wen)(wen)(wen)度最(zui)高(gao)(gao)區域，混合(he)室(shi)(shi)球頂(ding)(ding)(ding)溫(wen)(wen)(wen)度一般(ban)不會超過1100℃，這樣(yang)就有(you)效(xiao)抑制了(le)(le)(le)(le)混合(he)室(shi)(shi)頂(ding)(ding)(ding)部位(wei)出(chu)現爐殼晶間應(ying)(ying)力腐蝕的(de)(de)(de)(de)幾(ji)率(lv)(lv)和(he)范圍；(3)置于(yu)熱(re)(re)(re)風(feng)爐拱(gong)頂(ding)(ding)(ding)的(de)(de)(de)(de)陶(tao)瓷(ci)(ci)燃(ran)(ran)(ran)(ran)(ran)燒(shao)器與熱(re)(re)(re)風(feng)爐拱(gong)頂(ding)(ding)(ding)形成整體結構(gou)，拱(gong)頂(ding)(ding)(ding)結構(gou)更(geng)加穩定(ding)，而且有(you)利于(yu)氣(qi)(qi)(qi)流(liu)的(de)(de)(de)(de)均(jun)勻分(fen)布，蓄熱(re)(re)(re)室(shi)(shi)有(you)效(xiao)面積利用(yong)率(lv)(lv)提(ti)(ti)高(gao)(gao)。