最新多晶硅耐磨球阀ppt课件教学课件.ppt
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1、多晶硅耐磨球阀多晶硅耐磨球阀pptppt课件课件File Name or EventEmerson Confidential27-Jun-01, Slide 2Your partner in engineered products and solutionFile Name or EventEmerson Confidential27-Jun-01, Slide 3File Name or EventEmerson Confidential27-Jun-01, Slide 4File Name or EventEmerson Confidential27-Jun-01, Slide 5File
2、 Name or EventEmerson Confidential27-Jun-01, Slide 6File Name or EventEmerson Confidential27-Jun-01, Slide 7File Name or EventEmerson Confidential27-Jun-01, Slide 8File Name or EventEmerson Confidential27-Jun-01, Slide 9Your partner in engineered products and solution解决磨损与冲刷的方法解决磨损与冲刷的方法2.必要时采用适当的冲洗
3、或吹扫以保护阀座和轴承必要时采用适当的冲洗或吹扫以保护阀座和轴承File Name or EventEmerson Confidential27-Jun-01, Slide 10Your partner in engineered products and solution6 多晶硅多晶硅我们想的更多我们想的更多File Name or EventEmerson Confidential27-Jun-01, Slide 11Your partner in engineered products and solution介质:硅粉、氮气、氢气、氯化物介质:硅粉、氮气、氢气、氯化物 (如氯化氢等如
4、氯化氢等)温度:温度:65350 C压力:压力:0.5 0.75 M Pa File Name or EventEmerson Confidential27-Jun-01, Slide 12Your partner in engineered products and solution可能出现的问题可能出现的问题 :1) 硅粉颗粒很小,容易进入阀门空腔和阀座空腔,造成卡死阀座及抱死阀门2) 硅粉硬度很高,达到HRC56623) HCL具有腐蚀性 File Name or EventEmerson Confidential27-Jun-01, Slide 13Your partner in en
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