There are three sealing mechanisms for shale caprock, including capillary sealing, pressure sealing and hydrocarbon concentration sealing. 泥质盖层封闭机理有三种,分别为物性封闭、压力封闭和烃溶度封闭。
Finite Element Analysis of Sealing Pressure of Natural Gas Ball-valve Based on Pro/ E and ANSYS 基于Pro/E和ANSYS的天然气球阀密封比压有限元分析
A homogeneous oring may be also used for sealing at low pressure. 均匀的O型圈也可在低压密封使用。
Is suitable for through flange valve sealing pressure and valve body intensity pressure performance test. 适用于直通法兰式阀门的密封压力和阀体强度压力性能试验。
Secure connection, reliable sealing, good pressure resistance and easy installation, dismantling and changing. 连接牢固、密封可靠、耐压性能好、安装拆卸更换方便;
Ball and valve seat rings are metal materials, sealing pressure than the large, rely on the media itself can not seal the pressure has reached the requirements to be imposed by external forces. 球体和阀座密封圈都采用金属材料制造,密封比压很大,依靠介质本身的压力已达不到密封的要求,必须施加外力。
Study on magnetic fluid sealing pressure and structure parameter 磁流体密封压力与结构参数的确定
The relations of the lubricating oil amount in working chamber between sealing pressure, relative speed of motion, lubricating oil viscidity and gas pressure ratio were obtained by experiment. 并通过实验得出了工作腔内润滑油量与密封比压、相对运动速度、润滑油粘度和气体压缩比等参数间的变化关系。
Application of bonding and sealing under pressure in repair of large scale petrochemical installs 带压粘接密封技术在石化大型装置维修中的应用
The laws between axial set-down loads and maximum contact sealing pressure, and axial compressed displacement were studied. 研究了轴向坐封载荷与胶筒的峰值接触压力和轴向压缩量之间的变化规律。
The plugging technique for sealing pressure vessels under the working pressure and temperature is a special method. 带压堵漏技术是指在不影响生产正常进行的前提下,带温、带压修复泄漏部位,达到重新密封的一种特殊技术手段。
Design of CAD System Database of Rotary Fluid Sealing Pressure Joint 流体动密封压力接头CAD系统数据库设计
The paper introduced the design of CAD system database management system for the rotary fluid sealing pressure joint by means of Access. 介绍了用Access设计的流体动密封压力接头CAD系统数据库管理系统。
The floating spiral structure is designed to automatically adapt the sealing pressure, to compensate automatically spiral wear and adapt shaft play. 浮动螺旋结构可自动适应密封压力,自动补偿螺旋磨损,自动适应泵轴串动;
Sealing Pressure Analysis of Float Ball-Valve Based on FEA 浮动球阀的密封比压分析
The test results show that the sealing specific pressure curve and the resilience of the silver-plating O-ring are totally concordant with those of similar products made by the Advancde Co. 测试结果表明,比压曲线和回弹量与美国Advanced公司同类产品完全一致,工艺可行,试制成功。
In accordance with the sealing structure safe-working condition: sealing pressure ratio does not drop under the high pressure of sealing medium, it was proposed that a new sealing structure should be self-tight type. 根据高压密封可靠工作的条件,提出了新结构密封应采用自紧式设计结构的指导思想,并设计了多种新的密封结构。
The sealing structure has such characteristics as higher sealing pressure, average distribution, strong compensation for wearing away, small power consumption, good sealing stability and reliable function. 该密封结构具有密封比压高、周向分布均匀、摩擦副磨损补偿能力强、磨损消耗功率小、密封稳定性好、工作可靠等特点。
The magnetic fluid sealing pressure is mainly related to the magnetic flux density of the magnetic gap, and also related to the structure. 磁流体密封压力主要由间隙的磁通密度决定,结构参数对密封压力也有影响。
A method for calculating sealing pressure and analyzing power loss of magnetic fluid sealing is given in order to be consulted in the design of the magnetic fluid sealing. 推导出了密封压力的计算方法,并分析了动密封的粘滞功耗。
Sealing pressure of magnetic and dynamic power loss 磁流体密封压力及动密封粘滞功耗确定
It can be applied to the simulative data acquisition of parameters in petrochemical field, including flow rate, temperature, pressure, sealing differential pressure, vibration displacement of each point, and dust content in catalyst. Good effect has been achieved. 将其运用于石油化工领域内有关流量、温度、压力、密封差压、各点振动位移、催化剂含尘量等参数的模拟数据采集,取得了良好的效果。
Software design using fuzzy PID algorithm, able to fully control the sealing pressure within the container vapor formation, reduced working hours, achieved good sterilization effect. 采用模糊PID算法,能够完全控制密封容器内的压力蒸汽的形成,减少了工作时间,取得了良好的灭菌效果。
In sealing circle pressure round type mechanism design aspects adopted the hang seng index below to turn institutions, with the application of Hot-press-tool install will seal above them to achieve contact time guarantee. 在中封圆压圆式机构设计方面采用了恒指向随转机构,在应用时将中封烫刀安装在其上面以实现接触时间保证。
The distribution and abundance of hydrocarbon are mainly controlled by macroscopic structural background, sedimentary facies, reservoir thickness, sealing, pressure and complex fault structure styles. 油气的分布与富集主要受控于宏观构造背景、沉积相带、储层厚度、封堵性、断层、地层压力等多种因素等。
The force acting on the sealing rubber is analyzed based on the sealing operating principle. The mechanics model of sealing contact pressure is deduced. 结合密封工作原理进行胶芯受力分析,推导出密封接触压力计算模型,为闸板防喷器可控柔性密封的设计与控制提供了基础。
And in the meantime, such problems are solved as bearing end oil supply in processing the small deep hole in the inner film oil supply structure and the sealing of pressure measurement. 同时解决了内油膜供油系统中小深孔加工及高速时轴端供油、测压的密封等难题。
Under the pre-tightening condition, the designed pre-tightening force could meet the demand of pre-tightening sealing pressure, and the lower gasket stress was greater than the upper. 预紧工况下,设计螺栓预紧载荷都能满足预紧密封比压的要求,且下锥面垫片应力要大于上锥面垫片应力。