单燃料沼气发电机组工作原理及优点：将“空气沼气”的混合物在气缸内压缩，用火花塞使其燃烧，通过活塞的往复运动得到动力，然后连接发电机发电。

　　Working principle and advantages of single fuel biogas generator set: The mixture of "air biogas" is compressed in the cylinder, burned with spark plugs, and powered by the reciprocating motion of the piston, and then connected to the generator to generate electricity.

　　不需要辅助燃料油及其供给设备。

　　No need for auxiliary fuel oil and its supply equipment.

　　燃料为一个系统，在控制方面比可烧两种燃料的发电机组简单。

　　Fuel is a system that is simpler to control than a generator set that can burn two different fuels.

　　发电机组价格较低。

　　The price of generator sets is relatively low.

　　双燃料沼气-柴油发电机组工作原理及优点：将“空气燃烧气体”的混合物在气缸内压缩，用点火燃料使其燃烧，通过活塞的往复运动得到动力，然后连接发电机发电。

　　Working principle and advantages of dual fuel biogas diesel generator set: The mixture of "air combustion gas" is compressed in the cylinder, ignited with fuel, and powered by the reciprocating motion of the piston, and then connected to the generator to generate electricity.

　　用液体燃料或气体燃料都可工作。

　　It can work with liquid fuel or gas fuel.

　　对沼气的产量和甲烷浓度的变化能够适应。

　　Can adapt to changes in biogas production and methane concentration.

　　如由用气体燃料转为用柴油燃料在停止工作，发电机组内不残留未燃烧的气体，因为耐腐蚀性好。

　　If gas fuel is switched to diesel fuel during shutdown, there will be no unburned gas left in the generator set due to its good corrosion resistance.

　　两种沼气发电机组缺点:工作受到供给的沼气的数量和质量的影响

　　Disadvantages of two types of biogas generators: their operation is affected by the quantity and quality of biogas supplied

　　用气体燃料工作时也需要液体辅助燃料。

　　When working with gas fuel, liquid auxiliary fuel is also required.

　　需要液体燃料供给设备。

　　Liquid fuel supply equipment is required.

　　控制机构稍复杂。

　　The control mechanism is slightly more complex.

　　价格较单燃料式发电机组稍高。

　　The price is slightly higher than that of single fuel generator sets.

　　阻火器在沼气发电机组的安装

　　Installation of flame arrester in biogas generator set

　　沼气发电是集环保和节能于一体的能源综合利用新技术，沼气发电机组要安装管道阻火器，防止发动起回火给沼气储运管道带来危险。

　　Biogas power generation is a new technology for comprehensive energy utilization that integrates environmental protection and energy conservation. Biogas generator units should be equipped with pipeline flame arresters to prevent the risk of backfire during operation, which could pose a danger to the biogas storage and transportation pipelines.

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