對于很多養(yǎng)豬場來說，糞便的處理是必須要考慮的問題，對于中大型養(yǎng)豬場，沼氣發(fā)電+肥料的方式無疑會使養(yǎng)豬場的經(jīng)濟價值大化。但讓很多養(yǎng)豬場老板頭疼的是：該選擇多大功率的沼氣發(fā)電機組來發(fā)電獲利呢？
For many pig farms, the treatment of manure must be considered. For medium and large pig farms, biogas power generation+fertilizer will undoubtedly increase the economic value of pig farms. However, many pig farm owners have a headache: how much power of biogas generator units should be selected to generate electricity for profit?
以2000頭規(guī)模的養(yǎng)豬場為例，2000頭豬每天產(chǎn)生的的糞便大約有6噸，進行發(fā)酵可生產(chǎn)350-400立方的沼氣（甲烷含量大于60%），這樣的氣量可使用60千瓦-100千瓦的沼氣發(fā)電機組。具體的發(fā)電機組功率匹配選擇可以咨詢山東綠環(huán)動力：15165044999（王經(jīng)理，同微信號）。
Take the pig farm of 2000 pigs as an example. The feces produced by 2000 pigs every day are about 6 tons. The fermentation can produce 350-400 cubic meters of biogas (methane content is more than 60%). Such gas volume can use 60-100 kilowatts of biogas generator units. For specific power matching selection of generator set, please consult Shandong Green Ring Power: 1516504499 (Manager Wang, same as WeChat).
沼氣發(fā)電機組安裝環(huán)境：
Installation environment of biogas generator unit:
在進行沼氣發(fā)電時一般要求沼氣量充足，沼氣壓力基本穩(wěn)定，但沼氣池生產(chǎn)沼氣的過程比較緩慢，不可能按用氣量變化而變化，為解決供需之間的矛盾， 一般要設(shè)置沼氣貯存設(shè)備，也就是說要建設(shè)沼氣貯氣柜。
When generating electricity from biogas, it is generally required that the amount of biogas is sufficient and the pressure of biogas is basically stable, but the process of biogas production from biogas digesters is relatively slow and cannot change according to the change of gas consumption. In order to solve the contradiction between supply and demand, biogas storage equipment is generally required, that is to say, biogas storage tanks are required.

沼氣在通入沼氣發(fā)電機之前，進行凈化，使沼氣的質(zhì)量達到發(fā)電參數(shù)要求。因沼氣從沼氣池逸出時，攜帶大量的水分，發(fā)酵溫度越高則生產(chǎn)沼氣的含水量也越高，沼氣中水分對發(fā)電機組有影響，嚴重時有可能引起爆缸爆震，縮短發(fā)電機組壽命，同時由于水蒸氣的存在，還降低了沼氣的熱值，也讓發(fā)電效率不高。而水蒸氣與沼氣中的硫化氫共同作用，形成高強腐蝕的硫酸，對發(fā)電機缸體等金屬零部件有較強腐蝕性，將嚴重損害發(fā)動機缸體的使用壽命，同時還會造成大氣污染，影響人體健康。因此，對沼氣中的冷凝水及硫化氫進行脫除。
The biogas shall be purified before being fed into the biogas generator to make the quality of biogas meet the requirements of power generation parameters. As biogas escapes from the biogas digester, it carries a large amount of water. The higher the fermentation temperature, the higher the moisture content of biogas production. The moisture in biogas has an impact on the generator set. In serious cases, it may cause cylinder explosion and shorten the life of the generator set. At the same time, due to the existence of water vapor, it also reduces the calorific value of biogas and makes the power generation efficiency low. However, water vapor and hydrogen sulfide in biogas work together to form high-strength corrosive sulfuric acid, which is highly corrosive to metal parts such as generator cylinder block, which will seriously damage the service life of engine cylinder block, and also cause air pollution and affect human health. Therefore, the condensate and hydrogen sulfide in the biogas shall be removed.
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