Double-container combined vertical desulfurization biogas purification device

The utility model relates to a double-container combined type vertical desulfurization biogas purification device which comprises a control unit and a biogas treatment unit, and the control unit comprises a PLC (Programmable Logic Controller) control cabinet; the biogas treatment unit comprises a biogas compressor, an absorbent delivery pump, a carbon dioxide buffer tank, a freeze dryer, an absorption tower, a regenerated liquid delivery pump, a regeneration tower, an elemental sulfur separator, a sulfur sludge pump, a PSA (Pressure Swing Adsorption) unit and an air blower. The device is small in occupied area, convenient to install, high in operation flexibility, low in investment, maintenance and operation cost, good in economic benefit and suitable for various medium and small-scale biogas purification application scenes with high hydrogen sulfide content. 本实用新型涉及一种双集装箱组合式立式脱硫沼气提纯装置，该装置包括控制单元和沼气处理单元，控制单元包括PLC控制柜，沼气处理单元包括沼气压缩机、吸收剂输送泵、二氧化碳缓冲罐、冷冻干燥机、吸收塔、再生液输送泵、再生塔、单质硫分离器、硫污泥泵、PSA变压吸附单元、空气鼓风机。该装置占地面积小、安装方便、操作弹