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ID:32249368
大小:3.16 MB
页数:107页
时间:2019-02-02
《年产10万吨高精度铜板带生产线可行性的的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、熔炼~立式半连续铸造工艺生产紫铜、磷脱氧铜、黄铜、铁青铜等铸锭;板带车间采用先进、成熟的.“大铸锭一加热一热轧一铣面一冷轧一退火一精整”的生产工艺,同时创新采用热轧在线淬火技术生产引线框架铜带,解决了目前国内高强度引线框架铜带生产的瓶颈问题;采用先进的二机架冷连轧技术,生产效率高,产品质量稳定,属铜板带加工行业国内首创;本文同时对项目的环保、劳动安全与卫生等进行了论述,并对项目的投资、成本、损益等进行了详细的论述,指出建设一条现代化的高精度铜板带生产线具有良好的市场前景,是调整产品结构,优化资源配置,提高企业经济效益和产品竞争力,增强抗风险
2、能力,实现可持续发展的有效途径。,本项目设计生产规模为年产100000t铜及铜合金板带材,包括熔铸车间和板带车间二个主要生产车间及配套的辅助和公用设施。项目总投资为184868万元,项目建成投产后,年销售收入263585万元,年税后利润12634万元。.关键词高精度铜板带可行性研究2ABSTRACTInrecentyears,alongsidethesustainedandsteadydeVeIopmentofnationaIeconOmy,China’scopperprocessingindustryhasenteredahigh—spe
3、eddeVelopmentstage.TheproductionofwroughtcopperproductsinChinawas1596.6ktin2000,andthatwas3196.Oktin2003,thatistosay,doubledinthreeyears,amongwhichtheproductionofcoppersheetandstripwas600kt.ChinahasalreadybecomeworIdbiggestcoppersheetandstripproducer.AlthoughChinahashadabi
4、ggerincreaseinboththeproductioncapacityandtheactualoutputofcoppersheetandstrip,theoveralltechnologyandequipmentlevelofChina’scoppersheetandstripenterprisesisstilllowcomparatively.TheproductionoutputcapacityoftheenterprisesisgenerallysmallatanaVerageoflessthan3kt/a.Meanwhil
5、e,theexistingproductVarietyandmixarenotVeryreasonable,especiallylackincapacityofproducinghighprecisionproductssuchasleadingframestrip,radio—frequencycablestrip,transformerstripandsoon.Neithertheproductvarietynorqualitynortheproductioncapacityhaswellmetpresentmarketdemand,a
6、ndthereforeimportproductvolumehasseenasustainedgrowth.Thevolumeofimportedcoppersheetandstripreached237ktin2003.Accordingtothefbrecastingandestimation,thedemandoncoppersheetandstripwillamounttol050kt/ainChinain20lO,takingaccountoftheproductioncapacitycurrentlyunderconstruct
7、ion(newprojects),coppersheetandstripcapacitywillbeinshortofsupplyat200kt/aby20lO.DayeNonfbrrousMetalsCo.,Ltd.isoneoftherawcopperproductionbasesinChina.Itsproductioncapacityofthe3electrolyticcopperis200kt/a,andtheproductqualityhasreachedtheworldfirst—class.Thecopperproduced
8、bythecompanyiswidelyusedashigh·graderawmaterialforproducingthehigh-qualityhigh-perfbrmanc
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