对于很多养猪场来说，粪便的处理是必须要考虑的问题，对于中大型养猪场，沼气发电+肥料的方式无疑会使养猪场的经济价值最大化。但让很多养猪场老板头疼的是：该选择多大功率的沼气发电机组来发电获利呢？

　　For many pig farms, the treatment of manure is a necessary consideration. For medium and large pig farms, the combination of biogas power generation and fertilizer will undoubtedly maximize the economic value of the pig farm. But what troubles many pig farm owners is: what power of biogas generator set should be chosen to generate electricity for profit?

　　以2000头规模的养猪场为例，2000头猪每天产生的的粪便大约有6吨，进行发酵可生产350-400立方的沼气（甲烷含量大于60%），这样的气量可使用60千瓦-100千瓦的沼气发电机组。 

　　Taking a pig farm with a scale of 2000 pigs as an example, the daily amount of manure produced by 2000 pigs is about 6 tons. Fermentation can produce 350-400 cubic meters of biogas (methane content greater than 60%), which can be used to generate 60-100 kW biogas generators. 

　　沼气发电机组安装环境：

　　Installation environment for biogas generator set:

　　在进行沼气发电时一般要求沼气量充足，沼气压力基本稳定，但沼气池生产沼气的过程比较缓慢，不可能按用气量变化而变化，为解决供需之间的矛盾， 一般要设置沼气贮存设备，也就是说要建设沼气贮气柜。

　　When carrying out biogas power generation, it is generally required to have sufficient biogas volume and stable biogas pressure. However, the process of producing biogas in biogas digesters is relatively slow and cannot change according to changes in gas consumption. To solve the contradiction between supply and demand, biogas storage equipment, that is, biogas storage tanks, should be installed.

　　沼气在通入沼气发电机之前，必须进行净化，使沼气的质量达到发电参数要求。因沼气从沼气池逸出时，携带大量的水分，发酵温度越高则生产沼气的含水量也越高，沼气中水分对发电机组有影响，严重时有可能引起爆缸爆震，缩短发电机组寿命，同时由于水蒸气的存在，还降低了沼气的热值，也让发电效率不高。而水蒸气与沼气中的硫化氢共同作用，形成高强腐蚀的硫酸，对发电机缸体等金属零部件有较强腐蚀性，将严重损害发动机缸体的使用寿命，同时还会造成大气污染，影响人体健康。因此，必须对沼气中的冷凝水及硫化氢进行脱除。

　　Before entering the biogas generator, the biogas must be purified to ensure that its quality meets the requirements of the power generation parameters. When biogas escapes from the biogas digester, it carries a large amount of water. The higher the fermentation temperature, the higher the moisture content of the produced biogas. The moisture in biogas has an impact on the generator set, and in severe cases, it may cause cylinder explosion and shorten the life of the generator set. At the same time, the presence of water vapor also reduces the calorific value of biogas, resulting in low power generation efficiency. The combined action of water vapor and hydrogen sulfide in biogas forms highly corrosive sulfuric acid, which has strong corrosiveness to metal components such as generator cylinder blocks. It will seriously damage the service life of engine cylinder blocks and also cause air pollution, affecting human health. Therefore, it is necessary to remove condensed water and hydrogen sulfide from biogas.

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　　This article is a friendly contribution from a biogas generator set For more related knowledge, please click http://www.huannengpower.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.