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石油裂化管

文章出处:http://physique-hq.com作者:贵州华冶钢联钢材有限公司发表时间:2016/3/29 1:02:59

石油裂化管

    20HAOSHIYOULIEHUAGUANZHONGNITIEDERONGJIEFENXI


英超联赛外围app    20号石油裂化管与碳极强的亲和力使其在铸铁及相似的高碳熔池中的回收变得复杂化。在铁合金或熔炼界面快速形成一层铌的碳化物,其溶解情况决定了铌在熔池中的回收率。通过对铌铁溶解过程的研究,进一步确定铌在铸铁中的行为。 1实验材料及设备 根据制动盘性能以及铸造工艺要求,实验用铌铁纯度为65%的标准铌铁,铌铁的熔点范围为1580~1630℃(固相线和液相线温度),远高于铸铁,略高于铸钢。铌与铁不发生放热反应。因此,铌铁在铁水中不是熔化过程,而是一个以界面扩散为基础的溶解过程。这个溶解过程需要一定时间,根据实验条件,将铌铁块加工为大小为Ф5mm×30mm的圆柱型。

    SHIYANSHEBEIBAOKUO10kgZHONGPINGANYINGDIANLU,MEICISHIYANRONGLIANLIANGWEI7kg,Ф35mm×150mmSHAZHUXING,SHIYANQIANSHAXINGYUREDAO200℃,TIESHUIGUOREDAO1500℃JIAOZHU。FENXIYIQIBAOKUO4XBJINXIANGXIANWEIJING、SAOMIAODIANJING、MCO120-MHV-2000XINGXIANWEIYINGDUJIDENG。 2SHIYANJIEGUOJIFENXI DUINITIERONGJIEKUOSANDEYANJIUFENWEISHUIPINGFANGXIANGHECHUIZHIFANGXIANG。ZAIZHUTIERONGYEZHONGSHUIPINGFANGXIANGSHANGDERONGJIEKUOSANQINGKUANGRUTU3SUOSHI,KUOSANCENGDEKUANDUWEI80~150μm,ZAIJIEMIANKUOSANQIANYANCUNZAIZHEDALIANGDEXIXIAOSHIMO。 YANJIUFAXIAN,ZAISHUIPINGKUOSANQIANYANFANGXIANGSHANG,SHIMOZHONGDETANYUKUOSANQIANYANDENIFASHENGZUOYONG,XINGCHENGLENIDEHUAHEWU,CONGERSHISHIMOBIANDEXIXIAOJUANQU,SHIMOSHOUNITIEDECANSHIFENJIEQINGKUANG。 ZAIYUANLIKUOSANQIANYANFANGXIANGSHANGDESHIMOXINGTAISHOUDAODEYINGXIANGBUDA。 XIANSAOMIAOFENXIJIXIANWEIYINGDUCESHIJIEGUOBIAOMING,ZAISHUIPINGKUOSANFANGXIANGSHANG,NIZAIZHUGUANGTIJITIZHONGDEGURONGDUZHUJIANJIANGDI,LIKUOSANJINGXIANGFANGXIANGYUEYUAN,NIHANLIANGYUEDI,DANGNIHANLIANGHENDIDESHIHOU,QIDUISHIMOZUZHIDEXINGTAIYINGXIANGBUDA,ZHEIYUQIANRENJIBENKETIZUZHIQIANSUOZUODANNICHENGFENYANJIUDEJIEGUOYIZHI。

   DUIBIYANJIUBIAOMING,NITIEZAICHUIZHIFANGXIANGSHANGDERONGJIEKUOSANQINGKUANGYUZAISHUIPINGFANGXIANGSHANGXIANGSI。ZAICHUIZHIKUOSANFANGXIANGSHANG,YOUYUKUOSANWENDUTIAOJIANJIAOSHUIPINGKUOSANQINGKUANGYAOGAO,KUOSANCENGDEKUANDUYEXIANGDUIKUANXIE,YUEWEI200~300μm,ZAIJIEMIANKUOSANQIANYANTONGYANGCUNZAIZHEYIDINGSHULIANGDEXIXIAOSHIMO。

英超联赛外围app   ZAIYUANLIKUOSANQIANYANFANGXIANGSHANGDESHIMOXINGTAISHOUDAODEYINGXIANGBUDA。XIANFENXIJIXIANWEIYINGDUCESHIJIEGUOBIAOMING,ZAICHUIZHIKUOSANFANGXIANGSHANG,NIZAIZHUGUANGTIJITIZHONGDEGURONGDUZHUJIANJIANGDI,LIKUOSANJINGXIANGFANGXIANGYUEYUAN,NIHANLIANGYUEDI,DANGNIHANLIANGHENDIDESHIHOU,QIDUISHIMOZUZHIDEXINGTAIYINGXIANGBUDA,ZHEIYUSHUIPINGKUOSANQINGKUANGYIZHI。 WULUNSHISHUIPINGKUOSANHAISHICHUIZHIKUOSAN,YANJIUJIEGUOJUNBIAOMING,NIDUIZHUGUANGTIJITIZUZHIDEYINGXIANGZAIYUSHIZUZHIXIHUA,DANDUIZHUGUANGTILIANGJIBENMEIYOUYINGXIANG,KAOJINKUOSANQIANYANFANGXIANGSHANGDEZHUGUANGTIJITIZUZHI,YUANLIKUOSANQIANYANFANGXIANGSHANGDEZHUGUANGTIJITIZUZHI。ZAIKUOSANQIANYAN,YOUYUNIHANLIANGJIAOGAO,ZHUGUANGTIJITIMINGXIANDEDAOLEXIHUA,PIANCENGJIANJUDEDAOLESUODUAN。CIYANJIUJIEGUOYUQIANRENJIBENKETIZUSUOZUODANNICHENGFENYANJIUDEJIEGUOYIZHI。 3JIELUN 1)NITIEZAITIESHUIZHONGBUSHIRONGHUAGUOCHENG,ERSHIYIGEYIJIEMIANKUOSANWEIJICHUDERONGJIEGUOCHENG。ZAIKUOSANQIANYANSHANG,NIYUSHIMOZHONGDETANXIANGHUZUOYONG,SHIDESHIMOXINGTAIBIANDEXIXIAOJUANQU,ZAIYUANLIKUOSANFANGXIANGSHANG,YOUYUNIHANLIANGJIAODI,SHIMOXINGTAISHOUDAODEYINGXIANGBUDA。 2)ZAICHUIZHIFANGXIANGSHANG,YOUYUKUOSANWENDUJIAOSHUIPINGFANGXIANGSHANGGAO,QIKUOSANCENGDEKUANDUYEJIAODA,JICHUIZHIFANGXIANGSHANGGENGYOULIYUNITIEDERONGJIEKUOSAN。 3)YANJIUBIAOMING,NIDUIZHUGUANGTIJITIDEYINGXIANGZAIYUSHIQIXIHUA,CONGERTIGAOLECAILIAODEQIANGDU。

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