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从四方面分析为什么碳质耐火材料在矿热炉中应用寿命偏短

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2019-07-23 07:07:29发布者:admin

  CAIYONGPUTONGTANZHILUCHENDEMENGTIEKUANGRELU,JINGCHANGXINGDECHUXIANCHUTIEKOU、LUQIANG、LUDIJUBUFAHONG,SHAOCHUANDENGXIANXIANG,CONGERBEIPOTINGLUJIANXIU。BENWENCONGSIFANGMIANFENXIZAOCHENGZHEIXIEXIANXIANGDEYINSU,CONGERTANTAORUHEYOUXIAODEYANZHANGKUANGRELUDESHIYONGSHOUMING,JIEYUEWEIHUCHENGBEN。


  1、碳质耐火材料的主要特性


  CONGTANZHINAIHUOCAILIAODETEXINGSHANGLAIKAN,YOUYUKUANGRELULUCHENDEGONGZUOTIAOJIANELIE,YINCISHIYONGDEZHULUCAILIAOHENDACHENGDUSHANGJUEDINGZHELUCHENDESHOUMING,TEBIESHIQILIHUAXINGNENGZHIBIAOSHIJINXINGYOUXUANDEXIANJUETIAOJIAN。


  1.1CHANGYONGTANZHILUCHENCAILIAOZHUYAOTEXINGDUIBI,JIANBIAO1。


  BIAO1 PUTONGTANZHUANJINAIHUOCAILIAOZHUYAOTEXING


  1.2HANTANCAILIAOLIHUAXINGNENG


  DUIZHAOTU1HEBIAO1,TANZHILUCHENSHIYONGDEHANTANCAILIAOZHUYAOWEITANZHUANHEDIANJIHU,ZAIYELIANGUOCHENGZHONG,LUNEIGAOWENFANYINGQUYIJIYETAIZHATIESUOCHUDELUTANGNEI,ZHIJIEJIECHUDEDIFANGZHUYAOSHITANZHUANHETANZHUANJIETOUCHUTIANCHONGDEZHUGUODEDIANJIHU(JIANCHENGJIEFENGHU)。TANZHUANHEJIEFENGHUDEYOUDIANSHINAIHUODUGAO,TANZHUANJINGGUOGAOWENBEISHAOGUOHOU,QIHEZHONGRUANHUADIANYEJIAOGAO,JUNZAI2OOO℃YISHANG,REDAOLVXIANGDUIJIAOGAO,DAORESANREHAO,ZAIHAIYUANQIFENZHONGXIANGDUIWENDING。BUZUSHIGAOWENXIA(DAYU600℃)KANGYANGHUAXINGJICHA,KANGSUANXINGRUO,KANGJINSHUZENGTANXINGNENGYEBUHAO。


  1.3ZHANTUZHUANLIHUAXINGNENG


  粘土砖高温抗渣和抗液态金属性不良,如果碳质炉衬损坏,耐火砖在高温下无法抵挡渣铁的侵蚀,经常会发红,后烧穿炉衬、炉底。


  2、TANZHILUCHENDEKANGQINSHIXINGFENXI


  2.1GAOWENTIAOJIAN


  GAOTANMENGTIEDERONGDIANWEI1245~1300℃,ZHADERONGDIANZAI1270~1300℃,BINGSUIZHEJIANDUDEBIANHUAERBIANHUA,QIEXUYAOYIDINGDEGUORECAINENGBAOZHENGCHUTIEPAIZHASHUNCHANGDANWENDUBUHUICHAOGUO2000℃,RUGUOBIKAIDIANHUGUANGDEZHIJIEJIECHU,TANZHILUTANGKEMANZUYELIANGAOTANMENGTIE。


  2.2KANGZHAXING


  GAOTANMENGTIELUZHAJIANDUYIBANZAI0.2~0.8,CHENGSUANXING,PUTONGTANZHILUCHENDEKANGZHAXINGBULIANG,TONGSHIZAOZHARONGJIHUISHIKUANGSHIZHONGJINSHUYANGHUAWUMnOZHIHUANERCHENGZIYOUZHUANGTAI,RONGYIYUTANJIECHUZHIJIEBEIHAIYUAN,FASHENGFANYING:


  3MnO+4C=Mn3C+3CO (6)


  CONGERDUITANZHUANHEJIEFENGHUCHANSHENGQINSHI。.


  2.3KANGYETAIJINSHU


  GAOTANMENGTIEDESHENTANLIANGYIBANZAI7%~7.5%,SUIZHEYETAIHEJINLIANGDEZENGJIA,HUIJIADATANZAIRONGTIZHONGDERONGJIEDU,SUIRUOWENDU、JIANDUBIANHUA,MnODEBUDUANFUJI,LUCHENTANZHUANXIANGYETAIJINSHUDERONGXISHENJINJIUHUIBUDUANJINXING,TONGSHISUIZHEYETAIJINSHUHELUZHADEDINGQIPAICHU,YISHENTANDADAOBAOHEDEGAOTANMENGTIEJINSHUTIESHUIPAICHU,WEIBAOHEDEJINSHUYOUXIANGTANZHILUCHENKAOJIN,YINQIXINYILUNDEXITANYUNDONG,ZHISHILUQIANG、LUDITANZHUANLIANXUBUDUANDEBEIQINSHI,TONGGUODUOCIYIWAITINGLUHOUPOULUFENXI,FAXIANRUTU1SUOSHIDETANZHILUCHENQINSHIQUXIAN。DANGJINSHUYEZHONGTANBUBAOHESHIJIYICONGTANZHILUCHENZHONG“XITAN”ERSHITANZHUANHEJIEFENGHUZAODAOPOHUAI,JICHANGSUOWEI“TIESHUIQINSHI”。


  TU1 PUTONGTANZHILUCHENJIEGOUJISHAOSUNPOHUAISHIYITU


  3、CHUANTONGQIZHULUCHENFANGSHIFENXI


  CHUANTONGDETANZHUANQIZHUFANGSHIZHONGCHUTIEKOUPINGLUDICONGSHANGXIANGXIADECENGTANZHUAN,SUIZHEYELIANSHIJIANDETUIYI,CHUTIEKOUTANZHUAN(PINGFANGDELIUCAOTANZHUAN)SHAOSUNHOU,ZHENGGECHUTIEKOUXIAYI,YIDANWUFAXIAJIANGSHI,YELIANCAOZUOZHONGJIUXIGUANYUJICHADIANJICHUTIE,JIASULUDITANZHUANDESHAOSUNQINSHIERDADAJIANGDIZHENGGELUCHENSHOUMING。LINGWAICAIYONGRENGONGSHAOZHUDEDIANJIHUTIANCHONGTANZHUANJIEFENG,JINGCHANGHUIYINWEIZHUHUZHILIANGHECHONGHUSHIJIANBUHAOERJILUCHENLIUXIABORUODIAN,QIANZAIDESUODUANLELUCHENSHOUMING。


  4、CHUANTONGCAOZUOXIGUAN


  CHUTIECAIYONGSHAOCHUANQISHAOCHUTIEKOU、CHUIYANG、TAICHADIANJIDENGBULIANGCAOZUOXIGUAN,JIAJULEDUILUCHENDESUNHUAI;TONGSHIERBUFASHENGCHANGAOTANMENGTIECHANGCAIYONGWEIQUETANCAOZUO,FEICHANGRONGYIZAOCHENGDIANJIPIANZHANG,QIANGDADEDIANHUGUANGHUIZHIJIEDUILUDITANZHUANZAOCHENGSHANGHAI。

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