阅读说明：本技术 通过结晶系统与液化交换器的组合提纯和液化生物气 (Purification and liquefaction of biogas by a combination of a crystallization system and a liquefaction exchanger ) 是由 A·特鲁巴 J·E·托瓦尔拉莫斯 F·克雷萨克 S·瓦伦汀 M·安德里克 于 2020-04-03 设计创作，主要内容包括：由包含至少甲烷和二氧化碳的进料气体料流(1)生产液态甲烷的装置,其在所述气体料流的循环方向上包括：用于二氧化碳结晶的连续运行系统(5),其包括与进料气体料流逆流的主要包含液态甲烷的料流(6)的循环,并且可产生富甲烷气体料流(7),和用于液化离开结晶系统的富甲烷气体料流的交换器(8)。(Plant for producing liquid methane from a feed gas stream (1) comprising at least methane and carbon dioxide, comprising, in the direction of circulation of the gas stream: a continuously operated system (5) for carbon dioxide crystallization comprising a circulation of a stream (6) comprising mainly liquid methane in countercurrent to a feed gas stream and can generate a methane-rich gas stream (7), and an exchanger (8) for liquefying the methane-rich gas stream leaving the crystallization system.)