钟罩式气体流量标准装置两种自动流量调节机构的设计

Design of Two Kinds of Automatic Flow Regulating Mechanism for Standard Bell Gas Flow Device

介绍了钟罩式气体流量标准装置的基本工作原理,以及传统流量调节方式;提出了两种自动流量调节机构,给出了原理图、设计图及自动流量调节过程;分析了调节机构的优点和易用性,有利于气体流量检测人员更好地利用钟罩式气体流量标准装置开展气体流量检测,提高检测效率。

The basic working principle of the bell prover gas flow standard facility and its traditional flow regulation method are introduced;Two kinds of automatic flow control mechanisms are designed and presented,and the schematic diagram,design drawing and automatic flow control process of the mechanisms are given;In addition,the advantages and applicability of the regulating mechanisms are analyzed,which is helpful for inspectors to make better use of the bell prover gas flow standard facility to carry out gas flow detection and improve detection efficiency.