学科分类
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2 个结果
  • 简介:针对HT—L系统的低温甲醇洗岗位氨冷器U形管、管板接头处出现泄漏的问题,采取相应的返修方案和补漏措施,对u形管进行若干堵头堵漏和对管板接头坑蚀情况进行焊接等措施,有效地解决设备泄漏的问题。

  • 标签: 氨冷器 U形管泄漏 管板接头泄漏 管板接头腐蚀 堵漏修复
  • 简介:Inthisstudy,inordertoevaluatetheperformanceofhomogenizedbauxite,twoAl_2O_3-SiC-Ccastableswerepreparedusinghomogenizedbauxiteandbrownfusedcorundumasaggregates,respectively.5mass%andalusitewasintroducedintothetwocastablessoastoresearchtheeffectandmechanismofandalusiteinAl_2O_3-SiC-Ccastables.Theresultsshowedthat:(1)comparedwiththebrownfusedcorundumbasedcastables,thehomogenizedbauxitebasedcastableshadhighercoldstrengthafterheattreatment,butlowerhotmodulusofrupture;(2)additionof5mass%andalusitecouldenhancethecoldandhotmodulusofrupture,improvethethermalshockresistance,andoptimizethemicrostructureofspecimens;(3)themullitizationofandalusitewasnotobviousinthecastablesfiredat1100-1400℃.

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