其實(shí)沼氣和天然氣的成分差不多，但是應(yīng)用普及程度卻差了很多，那你知道為什么沼氣不能像天然氣一樣大量普及嗎？下面我們就一起看一下沼氣提純?cè)O(shè)備廠家的解釋吧！
In fact, the composition of biogas and natural gas is similar, but the popularization of biogas is much worse. Do you know why biogas can not be popularized as much as natural gas? Now let's take a look at the explanation of the manufacturer of biogas purification equipment.
一、沼氣中含有硫化氫氣體，在燃燒使用前必須要進(jìn)行脫硫；
1. Biogas contains hydrogen sulfide gas, which must be desulfurized before combustion.
二、沼氣中的甲烷成份含量為55—65%，而天然氣中的甲烷含量達(dá)90%以上，所以天然氣燃燒起來(lái)火力要強(qiáng)一些；
2. The methane content in biogas is 55-65%, while the methane content in natural gas is more than 90%, so the firepower of natural gas is stronger.
三、天然氣的壓力大，沼氣的壓力小，由于壓力的關(guān)系，兩者之間灶具是不能通用的。
3. The pressure of natural gas is high and the pressure of biogas is low. Because of the pressure relationship, the cooker between the two can not be used.
沼氣和天然氣在甲烷的含量的方面是有很大不同的。
Biogas and natural gas differ greatly in the content of methane.
一般沼氣中，甲烷占60％，二氧化碳約占40％。
In general, methane accounts for 60% and carbon dioxide accounts for 40%.
天然氣無(wú)色、無(wú)味、無(wú)毒且無(wú)腐蝕性，主要成分為甲烷，也包括一定量的乙烷、丙烷和重質(zhì)碳?xì)浠衔?。還有少量的氮?dú)狻⒀鯕?、二氧化碳和硫化物?/div>
Natural gas is colorless, odorless, non-toxic and non-corrosive. Its main component is methane, which also includes a certain amount of ethane, propane and heavy hydrocarbons. There are also small amounts of nitrogen, oxygen, carbon dioxide and sulfides.
當(dāng)然，燃燒性質(zhì)方面就會(huì)有所不同了;
Of course, the combustion properties will be different.
天然氣由于其熱值高，儲(chǔ)量大，適用范圍廣，一般采用液化天然氣運(yùn)輸，或是天然氣管道運(yùn)輸。而且遠(yuǎn)距離運(yùn)輸?shù)某杀疽蔡貏e高！
Because of its high calorific value, large reserves and wide application range, natural gas is usually transported by liquefied natural gas or by natural gas pipeline. And the cost of long-distance transportation is particularly high!
而沼氣主要是用于農(nóng)村地區(qū)，一般不需要遠(yuǎn)距離運(yùn)輸，而且沼氣不穩(wěn)定。如果非要運(yùn)輸沼氣的話，估計(jì)也是可以的。但是可能產(chǎn)生的沼氣成分估計(jì)會(huì)有很大的變化，而且適用范圍不是很廣
The biogas is mainly used in rural areas, generally does not need long-distance transportation, and the biogas is unstable. It is also possible to transport biogas if necessary. However, the estimation of biogas composition may vary greatly, and the scope of application is not very wide.
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2019-06-12
