Diaphragm failure is a common failure of diaphragm compressors. This paper makes statistics on diaphragm failures in high purity hydrogen production units, and makes statics analysis on diaphragm. Through the calculat...Diaphragm failure is a common failure of diaphragm compressors. This paper makes statistics on diaphragm failures in high purity hydrogen production units, and makes statics analysis on diaphragm. Through the calculation results of statics analysis, the causes of diaphragm failures are analyzed, and measures to prolong the service life of diaphragm are put forward.展开更多
文摘Diaphragm failure is a common failure of diaphragm compressors. This paper makes statistics on diaphragm failures in high purity hydrogen production units, and makes statics analysis on diaphragm. Through the calculation results of statics analysis, the causes of diaphragm failures are analyzed, and measures to prolong the service life of diaphragm are put forward.
文摘针对高压氢能加注场景下90 MPa隔膜式氢气压缩机面临的设备振动、氢腐蚀、膜片疲劳及密封失效等核心难题,通过气-固-液多物理场耦合仿真、抗氢脆结构创新、油气协同调控技术及复合膜腔型线设计,构建“设计-材料-工艺-安全-产业化”一体化解决方案。研究优化两列对称平衡型主机结构,采用配气盘内嵌式组合缸盖、一体化硬密封膜片与抛物线-圆弧复合膜腔型线,研发高低压一体化油泵驱动机构、波形弹簧气阀及高可靠性连杆衬套。性能测试结果表明,整机振动≤8 mm s、膜片寿命提升至8000 h以上、连杆衬套寿命突破50000 h、排气压力稳定达90 MPa(排气量500 m 3 h),国产化率达95%。该研究为高压氢能装备国产化与规模化应用提供关键技术支撑,设备性能达国际先进水平。
