文章在分析了几种沼气利用的方案后,认为大规模直接利用沼气的可行性方案是将沼气液化,然后用液体槽车运送到使用小区的配气站,然后供家庭用户使用。作者提出了一种液化沼气的循环流程。图3。 After analyzing several biogas utilization schemes, the article considered that the feasibility of large-scale direct utilization of biogas is to liquefy biogas and then transported by liquid tank truck to the residential gas distribution station for use by domestic users. The authors propose a cycle of liquefied biogas. image 3.