This paper built the fault-tree of turbine sealing oil system and calculated the failure mode applying fault tree analysis method. 建立了汽轮机密封油系统的故障树,求出了用最小割集法表示的汽轮机密封油系统的失效模式。
The gulf oil sealing solutions and failure, affects the people all over the world. 墨西哥湾原油堵漏方案一次次失败,牵动着全世界人民的心。
Analysis on sealing failure of myriameter drilling mud pump plunger and improvement measures 万米钻井泥浆泵柱塞密封失效分析及改进
Application of fuzzy theory in assessment of sealing failure of hydraulic system 模糊理论在液压系统密封失效评价中的应用
Analysis and harness of axle sealing failure in store jar with side stir 贮罐侧入式搅拌轴封失效分析及治理
Through modification of compressor shaft sealing system and the unit lubricating oil and oil sealing system, the failure rate of the unit is reduced and thus the operating cycle of the unit is extended. 通过对压缩机轴封系统及机组润滑油、封油系统的改造,降低了机组的故障率,从而延长了机组的运行周期。
By means of further simulative research on bad sealed battery and comparison with the battery failure characteristics, bad sealing is proved to be the main reason of battery failure. 进一步模拟电池密封不严的情况,并和电池失效特性比较,反映出电池失效是由电池密封不严引起的。
A discussion on the sealing failure of rubber seals 关于橡胶密封件密封失效的探讨
Discussing of the Sealing Failure of the Hydrocracking Reactors Nozzle Connection Flange 加氢裂化装置反应器系统接管法兰密封失效原因分析
Sealing failure modes and critical balance ratio for mechanical face seals 机械密封的失效模式与临界平衡比的计算
Sealing Failure Analysis of Hydraulic Transmission 液压传动的密封失效分析
The mechanism of sealing face operating failure under the action of dynamic pressure is proposed. 提出动压作用下密封端面开启失效机理;
ON THE WAYS TO SOLVE SEALING FAILURE OF EQUIPMENTS Leaking fiber problem is solved through mending the airproof of baling machine. 设备与管道密封面泄漏若干问题探讨(Ⅱ)通过对打包机软连接密封面改造,解决了跑棉问题;
The design, selection, assembly of seals are systematically discussed starting form the cause of the sealing failure of rubber seals. 本文从橡胶密封件密封失效的原因着手,系统地论述了密封件设计、选型、装配等要素。
The test and analysis of dynamic pressure effect during sealing face operating failure at the time of pump evacuation 泵抽空时密封面开启失效过程中的动压效应实验分析
What discussed in the article is mainly on 4 aspects: identification of lubricating conditions, sealing mechanism, finite element calculation for contact stresses and failure mechanism of sealing. 对工程机械液压缸活塞杆密封的润滑状态判别、密封机理、接触应力有限元计算和密封失效机理4个方面进行了论述。
Tests indicate that main cause for sealing failure is that rigidity of the rear cover is too low. 试验结果表明,导致密封失效的主要原因是后端盖刚度设计过低。
Affected by aging, the change of medium and many other reasons, the leakages of gas pipelines arouse lots of accidents and the accident tendency keeps rising. Sealing failure caused by ageing of rubber seals is one of the most important reasons why gas pipelines leak out. 由于管线老化、输送介质变化及其他原因的影响,燃气管道泄漏事故频发且有逐步上升的趋势,其中橡胶密封圈老化失效是导致燃气管线泄漏的重要原因。
Reasons and Precautions for Piston Sealing Failure of Dry Gasholder 干式储气罐活塞密封故障原因和防范措施
The reasonable technique was presented to ensure the manufacturing quality of valve components and sealing failure problem was solved in large flow valve components under high-pressures. 并提出了合理的工艺保证阀座组件的加工,解决了高压条件下大流量阀座组件的密封不良问题。
Analysis and Reform of Mechanical Sealing Failure for High Temperature Oil Pump 高温油泵机械密封故障分析及改造
This paper analyzed the corrosion factors of refining tins, briefly introduced the anticorrosion process of fusing-aluminum coating plus traditional sealing coating and its application result, discussed the failure mechanism of this process and put forward measures for improvement. 分析了炼油厂储罐内壁受到腐蚀的原因,简要介绍了喷铝加传统封闭涂料的防腐工艺及其应用效果,探讨了该防腐工艺的失效机理,并提出了改进措施。
Sealing performance of the spheric joint for thread compound was analyzed with energy loss method, and thread off failure on spheric joint was analyzed by finite element method. 采用能量损失法分析了螺纹脂密封性能,并用有限元法分析了螺纹的滑脱失效。
Analysis the various possible reasons of Al-Si Polyester sealing coating failure, we could obtain the following conclusions. ( 1) Process parameters of coating are feasible after testing. 分析聚苯酯铝硅涂层的各种可能失效原因,得到如下结论。
Because oneself hard brittle stone cement, the characteristics of stress or by change over the limit load will happen after broken or face off with cementation, cause layers between sealing failure, serious shorten life oil drilling. 由于水泥石自身硬脆性的特点,受到变应力或超过极限载荷后会发生破碎或与胶结面脱落,造成层间封隔失效,严重缩短油井开采寿命。
The research on the temperature distribution and sealing performance of the bolt-flange-gasket system at high temperature is of great importance to prevent high temperature failure of the static sealing system. 研究高温下螺栓-法兰-垫片系统温度分布及密封性能对预防静密封系统高温失效具有重要意义。
Mechanical seal research on domestic and overseas is mainly concentrated on the researches of sealing surface in failure analysis, the static thermal effects, where morphology and preparation process of sealing materials. 国内外机械密封的研究主要集中在密封面的失效分析、静动环端而间的热效应、摩擦磨损形貌和改进静环材料与制备工艺上。
Because the hydraulic cylinder often works in the high frequency and big load working environment, traditional rubber sealing ring combination would cause severe wear and failure in this conditions. 由于结晶器振动液压缸要求高频率、大负载,因此传统的橡胶密封圈组合在此工况下容易造成剧烈磨损而失效。