The working principle and advantages of a single fuel biogas generator set: the mixture of "air biogas" is compressed in a cylinder, burned with a spark plug, and powered by the reciprocating motion of the piston, which is then connected to the generator for power generation No need for auxiliary fuel oil and its supply equipment

② 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

② The fuel is a system that is simpler in control than a generator set that can burn two different fuels

③ 发电机组价格较低 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。

③ The working principle and advantages of a dual fuel biogas diesel generator set are as follows: the mixture of "air combustion gas" is compressed in the cylinder, ignited with ignition fuel, and powered by the reciprocating motion of the piston, which is then connected to the generator for power generation.

① 用液体燃料或气体燃料都可工作

① It can work with both liquid and gas fuels

② 对沼气的产量和甲烷浓度的变化能够适应

② Adapt to changes in biogas production and methane concentration

③ 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，

③ If gas fuel is switched to diesel fuel and the generator set stops working, there will be no residual unburned gas inside,

因为饿耐腐蚀性好 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 ① 用气体燃料工作时也需要液体辅助燃料

Due to its good corrosion resistance, two types of biogas generator units have disadvantages: their operation is affected by the quantity and quality of biogas supplied. ① Liquid auxiliary fuel is also required when working with gas fuel

② 需要液体燃料供给设备 ③ 控制机构稍复杂 ④ 价格较单燃料式发电机组稍高

② Require liquid fuel supply equipment ③ Control mechanism slightly complex ④ Price slightly higher than single fuel generator sets

沼气池采用推流式厌氧发酵工艺，新建9个地下池，容积为1200立方米。沼气池需达到10至25℃的常温才能产气，公司通过修建地下池、加厚土层保温、利用发电机热水和烟气回收加温、猪舍消毒水分流等手段，在现处冬季温度1至3℃的气候条件下，使沼气池的温度达到19℃以上，已安装运行近一个月的60千瓦沼气发电机组，每天可发电6至8个小时，解决了冬季因温度低不产气发不了电的技术难题。到了夏秋两季每天发电机组能发电10至12个小时，年发电量可达19万千瓦/时，节省电费30多万元。

The biogas digester adopts a push flow anaerobic fermentation process, and 9 new underground tanks are built with a volume of 1200 cubic meters. The biogas digester needs to reach a normal temperature of 10 to 25 ℃ in order to produce gas. The company has built underground digesters, thickened soil layers for insulation, utilized generator hot water and flue gas recovery for heating, and disinfected pig houses for water flow. Under the current winter minimum temperature of 1 to 3 ℃, the temperature of the biogas digester can reach above 19 ℃. A 60 kW biogas generator set has been installed and operated for nearly a month, and can generate electricity for 6 to 8 hours per day, Solved the technical problem of not being able to generate electricity due to low temperature in winter. In the summer and autumn seasons, the power generation unit can generate 10-12 hours of electricity per day, with an annual power generation capacity of 190000 kilowatts per hour, saving over 300000 yuan in electricity bills.

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