不(bu)銹(xiu)鋼熱軋中厚板(ban)工藝技術裝備主要體現在爐卷(juan)軋機(ji)。
爐(lu)(lu)卷(juan)軋機(ji)技(ji)術始于(yu)20世(shi)紀30年代(dai)(dai),主要生(sheng)產(chan)厚度(du)3毫米(mi)以上的(de)熱(re)軋帶鋼。帶鋼進卷(juan)取(qu)爐(lu)(lu)的(de)厚度(du)為15~17毫米(mi),爐(lu)(lu)內溫度(du)950~1050℃,生(sheng)產(chan)能(neng)力20萬~30萬噸/年。20世(shi)紀50-60年代(dai)(dai)其發(fa)展(zhan)較快,至20世(shi)紀70年代(dai)(dai)全世(shi)界已(yi)建爐(lu)(lu)卷(juan)軋機(ji)約34套(tao),形成第(di)一次發(fa)展(zhan)高(gao)潮。但由于(yu)爐(lu)(lu)卷(juan)軋機(ji)存在諸多(duo)不(bu)足,20世(shi)紀80年代(dai)(dai)初,仍在生(sheng)產(chan)的(de)爐(lu)(lu)卷(juan)軋機(ji)已(yi)不(bu)超過20套(tao)。
20世紀80年代中后期爐卷軋機復興,以生產不銹鋼為主的爐卷軋機因采用多項熱連軋機的控制技術得到長足發展,已成為不銹鋼領域的主力熱軋機。采用爐卷軋機軋制不銹鋼的主要原因為:(1)爐卷軋機前后設保溫卷取爐,適合不銹鋼等加工溫度范圍窄、難變形金屬的軋制;(2)專業化不銹帶鋼廠規模在25萬~50萬噸/年,用爐卷軋機生產能力適中,投資低,效益好;(3)現代化的爐卷軋機由于采用了厚度自動控制、板形控制、多次高壓水除鱗、快速換輥裝置等,從而保證了產品的尺寸精度、表面質量及板形等;(4)爐卷軋機在特種材料的軋制方面優勢明顯,可實現卷板品種優化。
爐(lu)(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)可(ke)兼作(zuo)軋(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)(zhi)(zhi)中(zhong)(zhong)(zhong)厚(hou)板(ban)。20世紀80-90年(nian)代新建(jian)的(de)(de)(de)(de)26套軋(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)(zhi)(zhi)碳鋼(gang)(gang)(gang)不(bu)(bu)銹鋼(gang)(gang)(gang),其(qi)中(zhong)(zhong)(zhong)約15套兼作(zuo)軋(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)(zhi)(zhi)中(zhong)(zhong)(zhong)厚(hou)板(ban),并配備了(le)中(zhong)(zhong)(zhong)厚(hou)板(ban)精軋(ya)(ya)(ya)(ya)(ya)(ya)線(xian)。在(zai)10套不(bu)(bu)銹鋼(gang)(gang)(gang)專用爐(lu)(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)中(zhong)(zhong)(zhong),有5套兼作(zuo)軋(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)(zhi)(zhi)中(zhong)(zhong)(zhong)厚(hou)板(ban),其(qi)中(zhong)(zhong)(zhong)輥(gun)身長度(du)最大的(de)(de)(de)(de)是瑞典阿維斯塔(Avesta)廠(chang)的(de)(de)(de)(de)2800毫米粗軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)。2003年(nian)5月(yue)我(wo)國南(nan)京鋼(gang)(gang)(gang)鐵(tie)(tie)公(gong)司(si)(si)與奧鋼(gang)(gang)(gang)聯簽訂(ding)合同,引進(jin)了(le)用卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)工(gong)藝生(sheng)(sheng)產(chan)(chan)的(de)(de)(de)(de)爐(lu)(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji),并于2005年(nian)9月(yue)28日成功軋(ya)(ya)(ya)(ya)(ya)(ya)出第一塊鋼(gang)(gang)(gang)板(ban)。同期(qi),安陽(yang)、韶(shao)關鋼(gang)(gang)(gang)鐵(tie)(tie)公(gong)司(si)(si)從達(da)(da)涅利公(gong)司(si)(si)引進(jin)用卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)工(gong)藝生(sheng)(sheng)產(chan)(chan)的(de)(de)(de)(de)爐(lu)(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji),其(qi)中(zhong)(zhong)(zhong)安鋼(gang)(gang)(gang)建(jian)設(she)了(le)卷(juan)(juan)(juan)(juan)(juan)(juan)取(qu)爐(lu)(lu)(lu)(lu),但預(yu)留(liu)了(le)卷(juan)(juan)(juan)(juan)(juan)(juan)取(qu)機(ji)(ji)(ji),韶(shao)鋼(gang)(gang)(gang)對(dui)卷(juan)(juan)(juan)(juan)(juan)(juan)取(qu)爐(lu)(lu)(lu)(lu)和卷(juan)(juan)(juan)(juan)(juan)(juan)取(qu)機(ji)(ji)(ji)均做了(le)預(yu)留(liu)。在(zai)我(wo)國投(tou)(tou)產(chan)(chan)的(de)(de)(de)(de)3套中(zhong)(zhong)(zhong)厚(hou)板(ban)爐(lu)(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)中(zhong)(zhong)(zhong),南(nan)鋼(gang)(gang)(gang)爐(lu)(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)配備了(le)完(wan)整的(de)(de)(de)(de)板(ban)、卷(juan)(juan)(juan)(juan)(juan)(juan)生(sheng)(sheng)產(chan)(chan)設(she)備,軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)軋(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)(zhi)(zhi)力達(da)(da)80兆牛,可(ke)較(jiao)好地實現控制(zhi)(zhi)(zhi)(zhi)軋(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)(zhi)(zhi)和控制(zhi)(zhi)(zhi)(zhi)冷卻工(gong)藝,在(zai)管(guan)線(xian)鋼(gang)(gang)(gang)生(sheng)(sheng)產(chan)(chan)方面取(qu)得了(le)較(jiao)好的(de)(de)(de)(de)業績。我(wo)國已(yi)建(jian)成投(tou)(tou)產(chan)(chan)的(de)(de)(de)(de)板(ban)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)主要是在(zai)中(zhong)(zhong)(zhong)等(deng)規(gui)模(mo)的(de)(de)(de)(de)鋼(gang)(gang)(gang)廠(chang),其(qi)利用爐(lu)(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)軋(ya)(ya)(ya)(ya)(ya)(ya)線(xian)設(she)備少、投(tou)(tou)資(zi)省(sheng)、產(chan)(chan)品市場適應面廣的(de)(de)(de)(de)特點(dian),生(sheng)(sheng)產(chan)(chan)中(zhong)(zhong)(zhong)厚(hou)板(ban)軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)不(bu)(bu)宜軋(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)薄、窄(zhai)規(gui)格(ge)中(zhong)(zhong)(zhong)板(ban),同時(shi)生(sheng)(sheng)產(chan)(chan)熱(re)連軋(ya)(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)不(bu)(bu)能生(sheng)(sheng)產(chan)(chan)的(de)(de)(de)(de)寬規(gui)格(ge)熱(re)軋(ya)(ya)(ya)(ya)(ya)(ya)卷(juan)(juan)(juan)(juan)(juan)(juan)。
至德鋼業,我們根據(ju)您(nin)的實際需求,給出參(can)考建議,為您(nin)提供高性價比的不銹鋼管道(dao)及配件(jian)。