内蒙古快3

鋁酸鹽水泥對鋼包透氣磚及座磚的影響

    座磚在使用過程中經常出現裂紋、恒斷裂和掉塊現象,嚴重影響其使用壽命,改善其抗熱震性是提高其使用壽命的重要途徑。目前,透氣磚方面的研究較多,而座磚方面研究不多。在本工作中,研究了鋁酸鹽水泥加入量對剛玉和尖晶石質鋼包透氣磚座磚性能的影響,期望提高透氣磚座磚的使用壽命,增強其安全系數,滿足煉鋼廠的使用要求。

    GANGBAOTOUQIZHUANSHIGANGSHUIJINGLIANDICHUIYAGONGYIZHONGZUIGUANJIANDEGONGNENGXINGYUANJIAN,QISHIYONGTIAOJIANFEICHANGKEKE。GANGBAOTOUQIZHUANANZUZHUANGFANGSHIKEFENWEINEIZHUANGSHIZHENGTITOUQIZHUANHEWAIZHUANGSHITOUQIZHUANZUHELIANGZHONG,QITOUQIZHUANXINJUNXUPEITAOZUOZHUANJINXINGBAOHU。

    MUQIANZUOZHUANPUBIANCAIYONGJIAOZHUCHENGXING,JINGYANGHU、GANZAOHEHONGKAOHOUZHIJIESHIYONG。ZUOZHUANZAISHIYONGGUOCHENGZHONGZHUYAOJINGSHOUYIXIAZUOYONG:

1、ZUOZHUANGONGZUOMIANFANFUSHOUJILENGJIREZUOYONG,RONGYIDAOZHIZUOZHUANDUANLIEHEBOLUO;

内蒙古快32、SHOUDAOGANGSHUIJIZHADEQINSHI、SHENTOU;

3、SHOUDAOGAOWENGANGSHUIQIANGLIEDECHONGSHUAJIMOSUN。YINCI,YAOQIUZUOZHUANYINGJUYOUGAODEQIANGDU、HAODEKANGREZHENXINGHEYOULIANGDEKANGZHAQINSHIXINGNENG。

  YIBAIGANGYUKELI(5~3、3~1、0~1mm)WEIGULIAO,GANGYUFEN(≤0.074mm)WEIGULIAO,LVMEIJIANJINGSHIFEN(≤0.074mm)、HUOXINGαYANGHUALVWEIFENWEIXIFEN,CHUNLVSUANGAISHUINIWEIJIEHEJI,JUBINGXIXIANWEI、OUDANJIAXIANAN、TANSUANQINGNAJIFUHEFANGBAOJIJUBINGXIXIANWEI+TANSUANQINGNADENGWEIFANGBAOJI。YUANLIAODEZUCHENGJIANXIABIAO1。

 

内蒙古快3    JIANGYUANLIAOANPEIBICHENGLIANG,GANHUNJUNYUNHOU,JIARUJIANSHUIJIHESHILIANGSHUI,YONGJIAOBANJICHONGFENJIAOBANJUNYUNHOU,ZHENDONGCHENGXINGHOU160mm×40mm×40mmDESHIYANG,ZIRANYANGHU24hHOUTUOMO。TUOMOHOUZIRANGANZAO24h,ZAIZAI110℃GANZAO24h,RANHOUZAIGAOWENSHIYANLUNEIYU1560℃BAOWEN3h。

内蒙古快3    ANZHAOYB/T5200-1993JIANCESHIYANGDEXIANQIKONGLV,ANZHAOYB/T5201-1993JIANCESHIYANGDECHANGWENKANGZHEQIANGDUHENAIYAQIANGDU,ANZHAOYB/T5203-93JIANCESHIYANGDEXIANBIANHUALV。

    JIANG1560℃SHAOHOUSHIYANGJING1100℃SHUILENG3CIHOU,CELIANGQICANYUKANGZHEQIANGDUBINGJISUANQIQIANGDUBAOCHILV,YICILAIPINGJIASHIYANGDEKANGREZHENXING。SHIYANGJINGZHENDONGCHENGXINGWEI50mm×50mm×50mmDEYANGKUAI,SHIYANLUTANGCHICUNBUXIAOYU350mm×150mm×150mm,SHIYANLUYUXIANSHENGDAOSHEDINGWENDU400、600、800℃,BINGJUNBAOWEN30min。JIANGTUOMOHOUDESHIYANGCHENGXINGMIANCHAOSHANGXUNSUFANGRUSHIYANLUNEI,LIJIGUANBILUMENBAOWEN30min,GUANCHAQIKANGBAOLIEXING。

    JIEGUOYUTAOLUN,CHUNLVSUANGAISHUINIJIARULIANGDUISHIYANGCHANGWENXINGNENGDEYINGXIANG?

  下圖1顯示出了不同溫度處理后各試樣的顯氣孔率。從圖可以看出,隨著純鋁酸鈣水泥加入量的增加,110℃干燥后顯氣孔率略有降低,其原因為隨水泥加入量的增加其水化量也增加,而水泥水化是體積增加的反應,水泥水化體積增加從而填充了氣孔;還有一個原因是隨水泥加入量從2%增加到6%,1500℃燒后試樣的顯氣孔率明顯增加,從12.5%增加到18.9%。  

 TU1 BUTONGWENDUCHULIHOUGESHIYANGDEXIANQIKONGLV

内蒙古快3  XIAMIANDELIANGGETUPIANFENBIESHICHULEBUTONGWENDUCHULIHOUGESHIYANGDECHANGWENKANGZHEQIANGDUHENAIYAQIANGDU。CONGTU2、TU3KEYIKANCHU,SUIZHUSHUINIJIARULIANGDEZENGJIA,110℃GANZAOHOUCHANGWENKANGZHEQIANGDUJINAIYAQIANGDUZHUJIANZENGJIA,QIANGDUZENGJIASHIYOUYUSHUIHUALIANGZENGJIA,DAOZHIJIAOJIEQIANGDUZENGJIA;1550℃SHAOHOUCHANGWENKANGZHEQIANGDUJINAIYAQIANGDUXIANZENGJIAHOUJIANGDI,RANHOUZAIZENGJIA,ZAISHUINIJIARULIANG6%SHIZUIDI,FENXIYUANYINRENWEISUIZHUSHUINIJIARULIANGDEZENGJIA,XINGCHENGLEBANZHUANGCA6ZENGJIALEQIANGDU,DANTONGSHIBANSUIZHUTIJIBIANHUAYOUPOHUAIQIANGDU,ZAIXIANGHUZUOYONGZHIJIANXINGCHENGQIANGDUBIANHUA,TEBIESHIZAISHUINIJIARULIANGDADAO6%SHITIJIFASHENGZUIDABIANHUA,DUIQIANGDUDEYINGXIANGYEZUIDA。

 TU2 BUTONGWENDUCHULIHOUGESHIYANGDECHANGWENKANGZHEQIANGDU

  

 TU3 BUTONGWENDUCHULIHOUGESHIYANGDECHANGWENNAIYAQIANGDU

    ZONGTILAISHUO,SUIZHUSHUINIJIARULIANGDEZENGJIA,SHIYANGDECHANGWENQIANGDUXIANZENGJIAHOULVEYOUJIANGDI,XIANQIKONGLVHEXIANBIANHUAMINGXIANZENGJIA。SHUINIJIARULIANGWEI6%SHI,SHIYANGDEXIANQIKONGLVHEXIANBIANHUALVZUIDA,CHANGWENQIANGDUZUIDI。ZHUYAOYINWEISHUINIJIARULIANGFENSHUWEI6%SHI,1550℃SHAOHOUSHIYANGZHONGSHENGCHENGDELIULVSUANGAI(CA6)LIANGZUIDA,DAOZHISHIYANGDETIJIMINGXIANPENGZHANG,XIANQIKONGLVZENGJIA,QIANGDUXIAJIANG,DANGSHUINIJIARUZHILIANGFENSHUCHAOGUO6%SHI,DUOYUDECaOKEYUGANGYUKELIFANYINGXINGCHENGCA6HUOERLVSUANGAI(CA6),ZHISHIQIPENGZHANGLIANGXIAJIANG。

内蒙古快3SHUINIJIARULIANGDUISHIYANGKANGREZHENXINGDEYINGXIANG

   

 TU4SHUINIJIARULIANGDUI1550℃SHAOHOUSHIYANGKANGREZHENXINGDEYINGXIANG

  從上圖4可以看出,隨著水泥加入量的增加,經1100℃水冷3次后試樣的抗折強度保持率逐漸增加,試樣的抗熱震性得到改善,水泥加入質量分數為10%時,熱震后強度保持率最大。抗熱震性得到改善的原因與高鋁水泥内蒙古快3加入量增加后所形成的CA6含量和顯微形貌有關,反應生成的板片狀CA6能夠提高試樣的抗熱震性。

内蒙古快3    SHIJISHENGCHANZHONG,HONGKAOHOUZUOZHUANCHENGPINLVYOUYUANLAIDE60%TIGAODAO98.5%。CAIYONGSHUINIJIARULIANG6%~10%、TIANJIALEFUHEFANGBAOJIDEGAOCHUNGANGYUJIANJINGSHIDICHUIYATOUQIZHUANZUOZHUANZAIMOUDAXINGGANGCHANG150tZHUANLUGANGBAOSHANGJINXINGLEPILIANGSHIYAN,SHIYONGSHOUMINGYOUYUANLAIDEPINGJUN31CITIGAODAOPINGJUN36CI,QUDELEJIAOHAODEXIAOGUO。

JIELUN

内蒙古快31、SUIZHUSHUINIJIARULIANGDEZENGJIA,110℃GANZAOHOUSHIYANGDECHANGWENKANGZHEQIANGDUJINAIYAQIANGDUZHUJIANZENGJIA,1550℃SHAOHOUSHIYANGDECHANGWENKANGZHEQIANGDUJINAIYAQIANGDUXIANZENGJIAHOUJIANGDI,RANHOUZAIZENGJIA,SHAOHOUXIANBIANHUALVXIANZENGJIAHOUJIANGDI。SHUINIJIARULIANG6%SHIQIANGDUZUIDI。XIANQIKONGLVHESHAOHOUXIANBIANHUALVZUIDA,QIXINGNENGZUICHA。

2、SUIZHUSHUINIJIARULIANGDEZENGJIA,1100℃SHUILENG3CIREZHENHOU,1560℃SHAOHOUSHIYANGDEQIANGDUBAOCHILVZHUJIANZENGJIA,KANGREZHENXINGDEDAOGAISHAN,SHUINIJIARUZHILIANGFENSHUWEI10%SHIKANGREZHENXINGZUIHAO。

3、TIANJIAFANGBAOJISHIYANGDEKANGBAOLIEXINGNENGDEDAOMINGXIANGAISHAN,YOUQICAIYONGTANSUANQINGNAHUOTANSUANQINGNA+JUBINGXIYOUJIXIANWEIFUHEDEFANGBAOJIKANGBAOLIEXIAOGUOZUIHAO。

4、CAIYONGSHUINIJIARULIANG6%~10%、TIANJIAFUHEFANGBAOJIDEGAOCHUNGANGYUJIANJINGSHIDICHUIYATOUQIZHUANDESHOUMINGYOUYUANLAIDEPINGJUN31CITIGAODAOPINGJUN36CI。

 

 

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内蒙古快3HENANFENGRUNYEJINCAILIAOYOUXIANGONGSI  DIZHI:HENANSHENGGONGYISHIYULIANGONGYEYUANQU  LIANXIREN:HUJINGLI  

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