随着碳捕集和储存(Carbon Capture and Storage,CCS)项目的深入开展与大规模长输管线的大量应用,管道的破裂、泄漏将会造成重大事故。通过查阅国内外近几年的文献,提出了3种针对不同泄漏口径下CO2管道泄漏率的计算模型;阐述了CO2管道泄...随着碳捕集和储存(Carbon Capture and Storage,CCS)项目的深入开展与大规模长输管线的大量应用,管道的破裂、泄漏将会造成重大事故。通过查阅国内外近几年的文献,提出了3种针对不同泄漏口径下CO2管道泄漏率的计算模型;阐述了CO2管道泄漏的3个阶段的物理过程;考虑到CO2特殊的相态特性,分析了其泄漏后形成干冰的可能性,并进一步讨论了泄漏方向和埋地管道对泄漏后形成干冰堆积的可能性的影响。现有的计算模型在模拟气固两相射流方面还不完善,也无法完整地模拟整个泄漏过程。未来CO2泄漏的研究一方面需要通过试验来验证水平方向泄漏及埋地管道泄漏是否会形成干冰堆积,另一方面要在结合实际情况的基础上完善和整合泄漏模型,并通过全尺寸试验和缩比试验对模型进行验证。展开更多
In order to solve transport problems of industry solid,firstly,a new applicationnotion of pipeline transport was presented,that is to say,combining pretreatment andtransport with disposal techniques of industry solid ...In order to solve transport problems of industry solid,firstly,a new applicationnotion of pipeline transport was presented,that is to say,combining pretreatment andtransport with disposal techniques of industry solid waste.Secondly,the integrated dis-posal and transport system for industry solid waste was introduced,in particular,the oper-ating principles,equipment set-up,key technology and technical parameters.Next,thispaper illustrated the application of this integrated system.Such as it can transport coalsludge with sufficiently high solids content(about 72%～77%)and high apparent viscosity(about 1 000～3 000 Pa.s)directly by pipeline having no use for water and addition agent.Generally,the transport distance is about 1 000 m.This system has been successfullyused in innocuous disposition and efficient utilization of other industrial byproducts or solidwastes,such as city sludge and paper making waste.The integrated system causes nopollution to the environment for its complete seal and realizes protecting the environment,conserving the energy,promoting the development of cycling economic.Finally,the paperdiscussed the research works that were needed for studying such pipeline transport sys-tem and narrates the relevant condition and application status.展开更多
文摘随着碳捕集和储存(Carbon Capture and Storage,CCS)项目的深入开展与大规模长输管线的大量应用,管道的破裂、泄漏将会造成重大事故。通过查阅国内外近几年的文献,提出了3种针对不同泄漏口径下CO2管道泄漏率的计算模型;阐述了CO2管道泄漏的3个阶段的物理过程;考虑到CO2特殊的相态特性,分析了其泄漏后形成干冰的可能性,并进一步讨论了泄漏方向和埋地管道对泄漏后形成干冰堆积的可能性的影响。现有的计算模型在模拟气固两相射流方面还不完善,也无法完整地模拟整个泄漏过程。未来CO2泄漏的研究一方面需要通过试验来验证水平方向泄漏及埋地管道泄漏是否会形成干冰堆积,另一方面要在结合实际情况的基础上完善和整合泄漏模型,并通过全尺寸试验和缩比试验对模型进行验证。
基金Science and Technology Corporation Innovation Fund of China(02C26211100499) PH.D Program Fund(20020290011)
文摘In order to solve transport problems of industry solid,firstly,a new applicationnotion of pipeline transport was presented,that is to say,combining pretreatment andtransport with disposal techniques of industry solid waste.Secondly,the integrated dis-posal and transport system for industry solid waste was introduced,in particular,the oper-ating principles,equipment set-up,key technology and technical parameters.Next,thispaper illustrated the application of this integrated system.Such as it can transport coalsludge with sufficiently high solids content(about 72%～77%)and high apparent viscosity(about 1 000～3 000 Pa.s)directly by pipeline having no use for water and addition agent.Generally,the transport distance is about 1 000 m.This system has been successfullyused in innocuous disposition and efficient utilization of other industrial byproducts or solidwastes,such as city sludge and paper making waste.The integrated system causes nopollution to the environment for its complete seal and realizes protecting the environment,conserving the energy,promoting the development of cycling economic.Finally,the paperdiscussed the research works that were needed for studying such pipeline transport sys-tem and narrates the relevant condition and application status.
