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    步(bu)(bu)進(jin)(jin)(jin)式連續(xu)加熱爐(lu):靠爐(lu)底或水冷金屬梁(liang)的(de)(de)上升、前進(jin)(jin)(jin)、下(xia)降、后退的(de)(de)動作把料坯一步(bu)(bu)一步(bu)(bu)地移送前進(jin)(jin)(jin)的(de)(de)連續(xu)加熱爐(lu)。爐(lu)子有(you)固定爐(lu)底和步(bu)(bu)進(jin)(jin)(jin)爐(lu)底,或者有(you)固定梁(liang)和步(bu)(bu)進(jin)(jin)(jin)梁(liang)。前者叫(jiao)做步(bu)(bu)進(jin)(jin)(jin)底式爐(lu),后者叫(jiao)做步(bu)(bu)進(jin)(jin)(jin)梁(liang)式爐(lu)。軋鋼用加熱爐(lu)的(de)(de)步(bu)(bu)進(jin)(jin)(jin)梁(liang)通常由水冷管組成。步(bu)(bu)進(jin)(jin)(jin)梁(liang)式爐(lu)可(ke)對(dui)料坯實(shi)現上下(xia)雙面加熱。?

    步(bu)進(jin)(jin)式(shi)(shi)(shi)連續:靠爐(lu)底或(huo)水(shui)冷(leng)(leng)金屬梁(liang)的上升、前進(jin)(jin)、下(xia)降、后退的動作把料(liao)坯(pi)一步(bu)一步(bu)地移(yi)送前進(jin)(jin)的連續。爐(lu)子有固(gu)定爐(lu)底和步(bu)進(jin)(jin)爐(lu)底,或(huo)者有固(gu)定梁(liang)和步(bu)進(jin)(jin)梁(liang)。前者叫做(zuo)(zuo)步(bu)進(jin)(jin)底式(shi)(shi)(shi)爐(lu),后者叫做(zuo)(zuo)步(bu)進(jin)(jin)梁(liang)式(shi)(shi)(shi)爐(lu)。軋鋼用的步(bu)進(jin)(jin)梁(liang)通常(chang)由水(shui)冷(leng)(leng)管組成。步(bu)進(jin)(jin)梁(liang)式(shi)(shi)(shi)爐(lu)可對料(liao)坯(pi)實現(xian)上下(xia)雙(shuang)面加(jia)熱(re)。?

    轉(zhuan)(zhuan)底(di)式(shi):爐(lu)身固定(ding),爐(lu)底(di)轉(zhuan)(zhuan)動,放置在爐(lu)底(di)上(shang)的(de)料坯隨爐(lu)底(di)轉(zhuan)(zhuan)動由(you)進料口(kou)移送到出料口(kou)。根據爐(lu)底(di)的(de)形(xing)(xing)狀,轉(zhuan)(zhuan)底(di)式(shi)可分(fen)為環形(xing)(xing)爐(lu)和盤形(xing)(xing)爐(lu)兩種,冶(ye)金(jin)廠軋鋼(gang)車間多(duo)用環形(xing)(xing)爐(lu)。?

    分室(shi)(shi)式快速(su):由若干個(ge)擺在一(yi)條線上(shang)的(de)(de)加熱(re)(re)室(shi)(shi)所組成(cheng)。加熱(re)(re)室(shi)(shi)和加熱(re)(re)室(shi)(shi)之間設(she)間室(shi)(shi),傳送(song)料坯的(de)(de)輥(gun)子設(she)在間室(shi)(shi)內,料坯單根(gen)(或雙根(gen))地(di)通過各(ge)加熱(re)(re)室(shi)(shi)和間室(shi)(shi)而(er)被加熱(re)(re)。每個(ge)加熱(re)(re)室(shi)(shi)與(yu)相(xiang)(xiang)鄰(lin)的(de)(de)間室(shi)(shi)構成(cheng)一(yi)個(ge)“爐(lu)節”,所以又(you)稱節式爐(lu)。這種能快速(su)加熱(re)(re),氧化和脫碳(tan)少,適(shi)用(yong)于加熱(re)(re)圓形料坯和鋼管。與(yu)行(xing)星軋機相(xiang)(xiang)配(pei)合(he),可(ke)用(yong)來加熱(re)(re)連鑄板坯;也可(ke)對某些鋼材進行(xing)局部加熱(re)(re)。缺(que)點是單位爐(lu)

    一種軋(ya)鋼(gang)爐底用(yong)(yong)滑軌(gui)(gui)磚(zhuan),由(you)滑軌(gui)(gui)磚(zhuan)本(ben)體(ti)(ti)和預留(liu)膨(peng)(peng)(peng)(peng)脹(zhang)縫(feng)(feng)(feng)組成,膨(peng)(peng)(peng)(peng)脹(zhang)縫(feng)(feng)(feng)位(wei)于滑軌(gui)(gui)磚(zhuan)本(ben)體(ti)(ti)中部,在(zai)膨(peng)(peng)(peng)(peng)脹(zhang)縫(feng)(feng)(feng)內填充有耐火(huo)纖維,所述(shu)的膨(peng)(peng)(peng)(peng)脹(zhang)縫(feng)(feng)(feng)上(shang)大下小,膨(peng)(peng)(peng)(peng)脹(zhang)縫(feng)(feng)(feng)深(shen)度為磚(zhuan)體(ti)(ti)寬度的四分之三,所述(shu)的滑軌(gui)(gui)磚(zhuan)本(ben)體(ti)(ti)上(shang)沿為圓弧(hu)狀。,本(ben)實用(yong)(yong)新型具(ju)有如下的積極效果:首先,本(ben)產(chan)品結構簡單,操作方便,工作效率高(gao)(gao),生產(chan)制作時只需預埋燒失物即可形成預留(liu)膨(peng)(peng)(peng)(peng)脹(zhang)縫(feng)(feng)(feng)。其次,膨(peng)(peng)(peng)(peng)脹(zhang)縫(feng)(feng)(feng)留(liu)設根據滑軌(gui)(gui)磚(zhuan)使用(yong)(yong)溫度梯度分布(bu)進行調整,上(shang)大下小,在(zai)使用(yong)(yong)過程中,滑軌(gui)(gui)磚(zhuan)各個(ge)部位(wei)溫度不同(tong),受熱膨(peng)(peng)(peng)(peng)脹(zhang)量不同(tong),保證了不同(tong)部位(wei)膨(peng)(peng)(peng)(peng)脹(zhang)量均(jun)能夠(gou)滿足工況要求。該滑軌(gui)(gui)磚(zhuan)安裝方便,能夠(gou)提(ti)高(gao)(gao)密爐使用(yong)(yong)壽命,有利于節(jie)能減(jian).。

    一種(zhong)(zhong)(zhong)軋(ya)鋼爐(lu)底用(yong)滑(hua)(hua)軌(gui)(gui)磚(zhuan),由滑(hua)(hua)軌(gui)(gui)磚(zhuan)本(ben)(ben)體(1)和預留膨脹(zhang)縫(2)組成(cheng),其特(te)征(zheng)在(zai)(zai)(zai)于(yu) :膨脹(zhang)縫(2)位于(yu)滑(hua)(hua)軌(gui)(gui)磚(zhuan)本(ben)(ben)體(1)中(zhong)部,在(zai)(zai)(zai)膨脹(zhang)縫(2)內(nei)填充(chong)有(you)耐火纖維(3)。2.如權利要求1所述的(de)一種(zhong)(zhong)(zhong)軋(ya)鋼爐(lu)底用(yong)滑(hua)(hua)軌(gui)(gui)磚(zhuan),其特(te)征(zheng)在(zai)(zai)(zai)于(yu) :所述的(de)膨脹(zhang)縫(2)上大下小,膨脹(zhang)縫(2)深度為(wei)磚(zhuan)體(1)寬(kuan)度的(de)四(si)分之三(san)。3.如權利要求1所述的(de)一種(zhong)(zhong)(zhong)軋(ya)鋼爐(lu)底用(yong)滑(hua)(hua)軌(gui)(gui)磚(zhuan),其特(te)征(zheng)在(zai)(zai)(zai)于(yu): 所述的(de)滑(hua)(hua)軌(gui)(gui)磚(zhuan)本(ben)(ben)體(1)上沿為(wei)圓弧狀。

    滑(hua)軌(gui)(gui)(gui)(gui)磚(zhuan)首尾相(xiang)接鋪設在(zai)軋鋼底部(bu),組成(cheng)鋼坯滑(hua)動(dong)(dong)的軌(gui)(gui)(gui)(gui)道(dao)。滑(hua)軌(gui)(gui)(gui)(gui)磚(zhuan)要承(cheng)受(shou)高(gao)(gao)溫(wen)、雜質(zhi)侵蝕以(yi)及高(gao)(gao)溫(wen)鋼坯的摩擦,使(shi)用(yong)(yong)環境惡劣,其產品質(zhi)量(liang)和安裝質(zhi)量(liang)嚴(yan)重影響使(shi)用(yong)(yong)壽命(ming)。目前(qian)滑(hua)軌(gui)(gui)(gui)(gui)磚(zhuan)一般采用(yong)(yong)剛玉耐火材料經預(yu)制高(gao)(gao)溫(wen)燒結(jie)而成(cheng),在(zai)安裝過(guo)程中(zhong)需要在(zai)兩(liang)塊滑(hua)軌(gui)(gui)(gui)(gui)磚(zhuan)之間留設膨(peng)脹(zhang)縫(feng)(feng),膨(peng)脹(zhang)縫(feng)(feng)部(bu)位(wei)是整(zheng)個軌(gui)(gui)(gui)(gui)道(dao)的薄(bo)弱點。如果膨(peng)脹(zhang)縫(feng)(feng)留設過(guo)小(xiao),在(zai)生(sheng)產過(guo)程中(zhong)會造成(cheng)滑(hua)軌(gui)(gui)(gui)(gui)磚(zhuan)因(yin)受(shou)熱膨(peng)脹(zhang)起拱破壞,造成(cheng)停(ting)產更換,影響作業(ye)率。如果膨(peng)脹(zhang)縫(feng)(feng)留設過(guo)大,鋼坯滑(hua)動(dong)(dong)過(guo)程中(zhong)會對磚(zhuan)縫(feng)(feng)處造成(cheng)沖(chong)擊,造成(cheng)滑(hua)軌(gui)(gui)(gui)(gui)磚(zhuan)局部(bu)損毀,使(shi)用(yong)(yong)壽命(ming)低。

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