【摘要】 将几种计算普通绝热低温管道保冷层厚度的方法与LNG长距离输送管道的特点结合并进行分析后,建议采用费用最低的方法计算LNG长距离管道输送的保冷层厚度,同时建立了计算保冷层厚度的数学模型,并对该模型进行了分析求解。更多还原

【Abstract】 After combining some methods for calculation of the insulation thickness of low temperature pipelines of conventional insulation wth the characteristic of LNG long-distance pipeline transportation and analyzing them,suggests calculating the insulation thickness of LNG long-distance pipeline transportation on the priciple of the minimal total cost,and meanwhile,it has established a mathematicsal model,analyzed it and given a calculation method.更多还原