摘要
根据国际公认的风险评估机构——挪威船级社(DNV)的风险评估导则规定,在10%的CO_(2)浓度下,持续暴露时间在15 min有50%致伤致死风险。CO_(2)为“非易燃无毒气体”,属于2.2类危险品范围,为窒息性气体。从安全角度考虑,如输送CO_(2)的泵和压缩机,需特别注意避免吸入段和压缩/泵送段之间成为两相流动区。基于CO_(2)介质及其管道的独特性,研究国外超临界CO_(2)管道安全技术体系及其相关工程的解决方案,从运营、保障两个方面分别总结国外CO_(2)管道输送特点与技术现状,为国内超临界CO_(2)管道安全运行提供指导。
According to the risk assessment guidelines of DNV,an internationally recognized risk assessment agency,there is a 50%risk of injury and death from sustained exposure within 15 minutes at a CO_(2)concentration of 10%.Carbon dioxide is a“non-flammable and non-toxic gas”,which belongs to Class 2.2 dangerous goods and is an asphyxiating gas.For safety reasons,such as CO_(2)pumps and compressors,special care should be taken to avoid a two-phase flow zone between the suction section and the compression/pumping section.Based on the uniqueness of CO_(2)medium and its pipeline,the safety technology system of supercritical CO_(2)pipeline and its related engineering solutions in foreign countries were studied,the characteristics and technical status of CO_(2)pipeline transportation in foreign countries from two aspects of operation and guarantee were summarized,in order to provide guidance for the safe operation of domestic supercritical CO_(2)pipeline.
作者
路兴才
LU Xingcai(Pipe China Engineering Technology Innovation Co.,Ltd.,Tianjin 300450,China)
出处
《科技和产业》
2025年第5期21-24,共4页
Science Technology and Industry
基金
国家石油天然气管网集团有限公司应用基础课题(AQWH202204)。
关键词
超临界CO_(2)管道
安全技术
水击泄放
保障技术
supercritical CO_(2)pipeline
safety technology
water hammer discharge
support technology
