本文通过理论分析了压力容器封头超标大开孔的可行性及安全性，并用实验手段验证了这种结构的安全可靠性。
The feasibility and safety of over code openings of pressure vessel covers were proposed through theoretical analyses, and the reliability of the structure was verified by using experiments.
对在压力容器缠绕成型中，同一个纵向缠绕层中两端封头采用不同的缠绕角缠绕进行缠绕线形的理论分析与计算。
In this paper, we conduct the analysis and calculation to the winding pattern of the pressure vessels with different winding angle in both of the dome ends in the same winding layer.
运用Excel97中的函数功能，编写出压力容器椭圆形封头厚度的计算程序。
The procedure for calculating thickness of elliptic heads of pressure vessel was compiled by applying function in EXCEL97.
本文用半解析半离散的方法，对具有椭球封头的法兰连接圆筒压力容器进行了分析。
In the present paper the analysis of cylindrical pressure vessel with ellipsoidal closures and bolted flanged connections is performed by using analytical as well as discrete method.
利用回旋曲线的优良特性，将其做为压力容器部分半球形封头与圆柱筒体之间的过渡曲线，实现了在连接边缘上无附加边缘应力的光滑连接。
A clothoid curve is used with its fine feature for the shape of transition section between spherical head and cylindrical shell of pressure vessel.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
In the fabrication of pressure vessels for petrochemical equipments, the key to quality control of stamping of head is the calculation of head blank expanding size and the stamping of the head.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
In the fabrication of petrochemical plant (pressure vessel), the keys to quality control of bumped head are the diameter calculation of head blanking and its forming.
压力容器设备中法兰与筒体、法兰与接管连接处的C类焊缝和封头端部、筒体上马鞍形的D类焊缝是最为不规则的且施焊工艺最为复杂的焊缝。
In pressure vessels, C and D seam which are located at the joint of flange, tube-shape object, jointed tube, and head of pressure vessels separately are the most complex seams.
压力容器设备中法兰与筒体、法兰与接管连接处的C类焊缝和封头端部、筒体上马鞍形的D类焊缝是最为不规则的且施焊工艺最为复杂的焊缝。
In pressure vessels, C and D seam which are located at the joint of flange, tube-shape object, jointed tube, and head of pressure vessels separately are the most complex seams.
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