不(bu)銹鋼熱軋中厚板工(gong)藝技術裝備(bei)主要體(ti)現在(zai)爐卷軋機。
爐(lu)卷(juan)軋(ya)機(ji)技術(shu)始于20世紀(ji)30年代(dai),主要生產厚度3毫米以上的(de)熱軋(ya)帶鋼。帶鋼進(jin)卷(juan)取爐(lu)的(de)厚度為15~17毫米,爐(lu)內溫(wen)度950~1050℃,生產能力20萬~30萬噸/年。20世紀(ji)50-60年代(dai)其發展較快,至20世紀(ji)70年代(dai)全(quan)世界已(yi)建爐(lu)卷(juan)軋(ya)機(ji)約34套(tao),形成(cheng)第一(yi)次發展高潮。但由于爐(lu)卷(juan)軋(ya)機(ji)存在(zai)諸多(duo)不(bu)足,20世紀(ji)80年代(dai)初(chu),仍在(zai)生產的(de)爐(lu)卷(juan)軋(ya)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)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)可(ke)兼(jian)作軋(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)中(zhong)(zhong)(zhong)厚(hou)(hou)板(ban)(ban)。20世紀80-90年(nian)代新建的(de)(de)(de)26套(tao)軋(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)碳鋼(gang)不(bu)銹鋼(gang),其(qi)中(zhong)(zhong)(zhong)約15套(tao)兼(jian)作軋(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)中(zhong)(zhong)(zhong)厚(hou)(hou)板(ban)(ban),并配(pei)備了中(zhong)(zhong)(zhong)厚(hou)(hou)板(ban)(ban)精軋(ya)(ya)(ya)(ya)(ya)線(xian)(xian)。在10套(tao)不(bu)銹鋼(gang)專用爐(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)中(zhong)(zhong)(zhong),有5套(tao)兼(jian)作軋(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)中(zhong)(zhong)(zhong)厚(hou)(hou)板(ban)(ban),其(qi)中(zhong)(zhong)(zhong)輥身(shen)長度最大的(de)(de)(de)是瑞典阿維斯塔(ta)(Avesta)廠(chang)的(de)(de)(de)2800毫米(mi)粗(cu)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)。2003年(nian)5月我國南京鋼(gang)鐵公司(si)與(yu)奧鋼(gang)聯簽(qian)訂合同,引(yin)進了用卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)工藝(yi)生(sheng)(sheng)產(chan)的(de)(de)(de)爐(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji),并于2005年(nian)9月28日成(cheng)功(gong)軋(ya)(ya)(ya)(ya)(ya)出第一塊鋼(gang)板(ban)(ban)。同期,安陽、韶關(guan)鋼(gang)鐵公司(si)從(cong)達(da)涅利公司(si)引(yin)進用卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)工藝(yi)生(sheng)(sheng)產(chan)的(de)(de)(de)爐(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji),其(qi)中(zhong)(zhong)(zhong)安鋼(gang)建設了卷(juan)(juan)(juan)(juan)(juan)取爐(lu)(lu)(lu),但預(yu)留了卷(juan)(juan)(juan)(juan)(juan)取機(ji)(ji)(ji)(ji)(ji),韶鋼(gang)對(dui)卷(juan)(juan)(juan)(juan)(juan)取爐(lu)(lu)(lu)和卷(juan)(juan)(juan)(juan)(juan)取機(ji)(ji)(ji)(ji)(ji)均做了預(yu)留。在我國投(tou)(tou)產(chan)的(de)(de)(de)3套(tao)中(zhong)(zhong)(zhong)厚(hou)(hou)板(ban)(ban)爐(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)中(zhong)(zhong)(zhong),南鋼(gang)爐(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)配(pei)備了完整的(de)(de)(de)板(ban)(ban)、卷(juan)(juan)(juan)(juan)(juan)生(sheng)(sheng)產(chan)設備,軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)軋(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)力達(da)80兆牛,可(ke)較好地實現控制(zhi)(zhi)軋(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)和控制(zhi)(zhi)冷卻工藝(yi),在管線(xian)(xian)鋼(gang)生(sheng)(sheng)產(chan)方面(mian)(mian)取得了較好的(de)(de)(de)業(ye)績(ji)。我國已建成(cheng)投(tou)(tou)產(chan)的(de)(de)(de)板(ban)(ban)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)主要是在中(zhong)(zhong)(zhong)等規模的(de)(de)(de)鋼(gang)廠(chang),其(qi)利用爐(lu)(lu)(lu)卷(juan)(juan)(juan)(juan)(juan)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)軋(ya)(ya)(ya)(ya)(ya)線(xian)(xian)設備少、投(tou)(tou)資省、產(chan)品市場(chang)適應面(mian)(mian)廣的(de)(de)(de)特點,生(sheng)(sheng)產(chan)中(zhong)(zhong)(zhong)厚(hou)(hou)板(ban)(ban)軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)不(bu)宜軋(ya)(ya)(ya)(ya)(ya)制(zhi)(zhi)的(de)(de)(de)薄、窄規格中(zhong)(zhong)(zhong)板(ban)(ban),同時生(sheng)(sheng)產(chan)熱(re)連軋(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)(ji)(ji)不(bu)能(neng)生(sheng)(sheng)產(chan)的(de)(de)(de)寬規格熱(re)軋(ya)(ya)(ya)(ya)(ya)卷(juan)(juan)(juan)(juan)(juan)。
至德鋼(gang)業,我們根據(ju)您的實際需求(qiu),給出(chu)參考(kao)建議,為(wei)您提供高性價比的不銹(xiu)鋼(gang)管道及配件。