本文报道了沼气冰箱的研制结果,着重介绍了沼气冰箱的制冷机芯和燃烧控制系统。制冷机采用吸收扩散式制冷循环,对主要参数的选择和结构设计特点做了说明。对燃烧控制系统的工作原理、动作过程及各零件的结构也做了介绍。试验表明,研制的冰箱是安全可靠的,制冷性能良好,达到了国家轻工部规定的三星级标准。 This paper reports the development of biogas refrigerator, focusing on the biogas refrigerator cooling core and combustion control system. Refrigeration absorption diffusion refrigeration cycle, the choice of the main parameters and structural design features are described. The working principle of the combustion control system, the operation process and the structure of each part are also introduced. Experiments show that the refrigerator developed is safe and reliable, good refrigeration performance, has reached the three-star standard set by the State Ministry of Light Industry.