cener line

This article narrates the importance of verticality control of absorber tower cylinder,presents a few methods of measuring verticality of cylindrical storage tank,and places stress on the production process and principles of central line method and its successful application in actual project.

叙述了吸收塔筒体垂直度控制的重要性,介绍了几种测量圆筒形储罐垂直度的方法,并重点介绍了中心轴线法产生的过程、原理及其在工程实践中的应用。

The holding way of the probe is improved to ensure that the main supersonic sound flux can penetrate the axle center line and obtain clear and correct echo signal, so as to improve the resolution capability and reliability of the system.

通过改进探头的挟持方式 ,保证超声波主声束能够穿过车轴中心线而获得清晰和准确的回波信号 ,以提高系统的分辨力和可靠性 ;同时 ,通过改进探头的结构 ,减小探头的入射角度 ,提高系统的耦合性能。