专业为石油天然气、气体净化、化工尾气回收利用、烟气二氧化碳捕集及利用、化工医药行业提供工艺技术、服务和设计
3.3.3 试验过程和检验方法
1)施工工艺流程:
气压试验临时管线、压力表安装要求与水压试验相同,另外在球罐顶部要设置两个或两个以上安全阀和紧急放空阀。安全阀必须使用有制造许可证的单位生产的符合技术标准的产品,且必须经校准合格。安全阀的启跳压力定为试验压力加0.05Mpa;回座压力定为0.8倍的试验压力。安全阀安装在球罐顶部最外缘较为合适的接管上,排放口朝向外侧,避免突然的放空操作影响压力情况观测人员的安全。
3.4.3 试验过程和检验方法
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