【正文】 獲得所需的帶鋼表面。 鞍山科技大學(xué)本科生畢業(yè)設(shè)計 第 13 頁 2)酸洗段采用臥式淺槽酸洗結(jié)構(gòu) ,槽深 1000mm,液面高 300～ 500 mm,帶鋼基本上沿槽底滑行。 厚度 h 為 ~,寬度 b 為 ? 。 厚度 h 為 ~,寬度 b 為 ? 。 3）頭尾不規(guī)則長度 :如下表 所示 表 項目 標準 1780 料 厚度 ,mm 頭尾不規(guī)則長度 ,mm ≤ ≤700 ≤500 1700 料 ≤700 4）帶鋼側(cè)邊的鐮刀彎在 2m 內(nèi)不應(yīng)大于 3mm。 在板帶材生產(chǎn)中 ,產(chǎn)品的厚度精度和平直度是反映產(chǎn)品質(zhì)量的重要指標 [2]。初退火主要用于 45 號碳鋼以上和合金鋼、高合金鋼的熱軋板卷。有酸法、堿酸法、氫化物法、電解法等 ,但在連續(xù)酸洗機組上絕大多數(shù)是使用硫酸或鹽酸的酸洗方法 [3]。 冷軋板帶鋼的產(chǎn)品品種很多 ,生產(chǎn)工藝流程亦各有其特點。 【關(guān)健詞】： 冷軋帶鋼，軋制制度，全連續(xù)軋制，軋機，連鑄薄帶夾雜物 鞍山科技大學(xué)本科生畢業(yè)設(shè)計 第 II 頁 Design of a cold strip plant with annual capacity of millions tons Abstract The design of a cold strip plant has been introduced and analyzed in this paper, according to ANSC′s Cold strip plant 2 line. Its typical product is Q215 1700mm. Its main equipments include shallowtank picking train, 5stand fullycontinuous cold rolling train, hoodtype annealing furnace, single stand 4high skinpass train， 6zone pullthrough type continuous annealing line， crosscutting and slitting train and coiling train, ect. The products mainly include cold sheet and strip, hotdip galvanized sheet and strip, hotdip tinned sheet and strip. According to it, we established the rolling system, speed schedule and checked the rollers’ strength. Moreover, we checked the rolling mill’s productive capacity, cutup unit’s productive capacity and calculated the economic and technology index. A special topic about performance and productive characteristic of automobile leafspring illuminate existing state of automobile leafspring and momentum of development of manufacturing technique. At last, this design close a plant plan made with AutoCAD software, a literature in English and Chinese about dynamic recrystallization under warm deformation of a 304 type austenitic stainless steel , program about the rolling system, checked the rollers’ strength and the rolling mill’s productive capacity with Microsoft Visual C++. 【 Key words】 sheet and strip, rolling system , fullycontinuous cold rolling, rolling mill 鞍山科技大學(xué)本科生畢業(yè)設(shè)計 第 III 頁 Design of a cold strip plant with annual capacity of millions tons ABSTRACT The design of a cold strip plant has been introduced and analyzed in this paper, according to ′s 1780mm Cold Strip Mill Plant. Its typical product is Q215，1000mm. The purpose is to design a million Cold Strip Mill Plant. Its main equipments include continuous picking train,5stand fullycontinuous Cold rolling train, covertype annealing furnace,single stand 4high skinpass train,crosscutting and slitting train, coiling train, etc. The products mainly include electrician silicon steel plate, hotdip galvanized sheet and strip. Products with distinguishing features such as wide size, accurate thickness, small deviation in dimension, smooth surface, well flateness, stable property, etc..According to it, we established the rolling system and checked the rollers’ production ability. Moreover, we checked the rolling mill’s productive capacity,calculated the economic and technology index. A special topic about the species and characteristics of the mixture in continuous casting thin belt is explicated. 【 Key words 】 :cold sheet and strip, rolling system, fullycontinuous cold rolling,rolling mill, the mixture of continuous casting thin belt 鞍山科技大學(xué)本科生畢業(yè)設(shè)計 第 IV 頁 目 錄 摘要 ......................................................................................................................................... I ABSTRACT .......................................................................................................................... III 1綜述 ......................................................................................................................................6 發(fā)展歷史 ................................................................................................................... 6 產(chǎn)品品種規(guī)格 ........................................................................................................... 6 生產(chǎn)方法 ................................................................................................................... 6 主要工序 ................................................................................................................... 7 冷軋的技術(shù)進步 ....................................................................................................... 8 本設(shè)計的目的和意義 ............................................................................................... 9 2產(chǎn)品方案設(shè)計及金屬平衡表 ............................................................................................10 原料的技術(shù)要求 ..................................................................................................... 10 產(chǎn)品方案 ................................................................................................................. 10 產(chǎn)品 技術(shù)要求 ......................................................................................................... 11 金屬平衡表 ............................................................................................................. 12 3 設(shè)備參數(shù)選擇 ...................................................................................................................12 連續(xù)酸洗機組 ......................................................................................................... 12 五機架全連續(xù)軋機 ................................................................................................. 14 罩式退火機組 ........................................................................................................ 15 平整機組 ......................................................................................................