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沼氣發電機組效率是如何產生的?

來源:http://dgxcbw.com   發布于:2018-02-05

目前,國內很多廢水厭氧處理的沼氣,沼氣中CH4含量在50-60%之間,那么如果選用合適的沼氣發電機組,每立方沼氣可發電1.5-1.8度,具體沼氣發電效率需要根據沼氣成分及熱值判斷。

D88尊龙At present, many domestic wastewater anaerobic treatment biogas and biogas CH4 content is between 50-60%. If we choose the right biogas generating set, each cubic biogas can generate 1.5-1.8 degrees. The specific biogas power generation efficiency needs to be judged based on biogas composition and calorific value.

D88尊龙沼氣是一種混合氣體,它的主要成分是甲烷,其次有二氧化碳、硫化氫(H2S)、氮及其他一些成分。沼氣的組成中,可燃成分包括甲烷、硫化氫、一氧化碳和重烴等氣體;不可燃成分包括二氧化碳、氮和氨等氣體。在沼氣成分中甲烷含量為55%~70%、二氧化碳含量為28%~44%、硫化氫平均含量為0.034%。

Methane is a mixture of methane, which is mainly composed of methane, followed by carbon dioxide, hydrogen sulfide (H2S), nitrogen and some other components. In the composition of biogas, the combustible components include methane, hydrogen sulfide, carbon monoxide and heavy hydrocarbon. The non combustible components include carbon dioxide, nitrogen and ammonia. Methane content is 55% ~ 70%, carbon dioxide content is 28% ~ 44%, and the average content of hydrogen sulfide is 0.034% in the composition of biogas.

沼氣發電機組的裝機容量取決于以下兩個因素:一是沼氣量,沼氣量越大,裝機容量就大;二是負載(這里指所有用電設備單位小時內耗電量)大小,特別是中小型的養殖規模受這個因素影響較大。

QQ截圖20171025151837.jpg

Gas turbine capacity depends on the following two factors: one is the amount of methane, the greater the amount of methane, the installed capacity is big; two is the load (here refers to the useful electrical equipment per hour internal power) size, especially for small and medium scale farming by this factor is greatly affected.

沼氣里面的硫主要是以硫化氫(H2S)的形式存在,分子式為H2S,分子量為34.076,標準狀況下是一種易燃的酸性氣體,無色,低濃度時有臭雞蛋氣味,有劇毒。硫化氫是一種重要的化學原料。硫化氫氣體在沼氣發動機缸體里高溫燃燒環境下,形成SO(硫氧)化物,對發動機的缸體、活塞、缸套等有腐蝕性,嚴重影響沼氣發電機組的使用壽命,所以含硫的沼氣必須要增加脫硫裝置。

The sulfur in biogas is mainly in the form of hydrogen sulfide (H2S). Its molecular formula is H2S, and its molecular weight is 34.076. Under the standard condition, it is a flammable acid gas, colorless, odorous eggs with low odor and highly toxic. Hydrogen sulfide is an important chemical material. Hydrogen sulfide gas in cylinder gas engine in high temperature combustion conditions, the formation of SO (thioredoxin) compounds, the engine cylinder, piston, cylinder and other corrosive, seriously affecting the biogas power generation equipment life, so we must increase the sulfur biogas desulfurization device.

D88尊龙沼氣發電機組在發電過程中,煙氣溫度達到500度左右,發動機里的缸套水也有80度左右,我們可以通過余熱利用裝置把里面的熱量交換出來,如果量大可以給我們供暖氣,如果量小可以供我們生活用水。

Biogas power generation units in the power generation process, the flue gas temperature reaches 500 degrees, in the engine cylinder water is 80 degrees or so, we can use the waste heat utilization device inside the heat exchange, if the amount can be used for heating for us, if we can supply a small amount of domestic water.

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D88尊龙The above is a detailed introduction to http://dgxcbw.com about biogas generating set. I hope it will help you. If you have any questions, please contact us. We will provide you with the most professional attitude.


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