沼氣事實(shí)上就是在能源構(gòu)造中的“生物質(zhì)能”，就是將以往的生活渣滓、廢棄植物等經(jīng)過(guò)貯存發(fā)酵后產(chǎn)生的可燃?xì)怏w，沼氣提純也是隨之發(fā)汗的一項(xiàng)技術(shù)。濟(jì)南沼氣提純公司就發(fā)現(xiàn)，目前沼氣應(yīng)用大多集中在鄉(xiāng)村，大范圍應(yīng)用較為有限，經(jīng)過(guò)分析，其緣由大致有以下?tīng)顩r：
In fact, biogas is the "biomass energy" in the energy structure, which is the combustible gas produced by the storage and fermentation of the past residues, waste plants and so on. The purification of biogas is also a sweating technology. Jinan Biogas Purification Company found that the current application of biogas is mostly concentrated in rural areas, and the wide range of application is relatively limited. After pyrolysis, the reasons are roughly the following:
1、相較于城市較為興旺的燃?xì)夤芫W(wǎng)，沼氣在鄉(xiāng)村較為便當(dāng)運(yùn)用。除了建立本錢較為低廉之外，沼氣能夠大水平上處理鄉(xiāng)村生活渣滓以及秸稈處置的問(wèn)題。而城市無(wú)論在能源管網(wǎng)供給、渣滓廢品處置等方面都成熟太多，加上城市的小區(qū)集中式生活，單獨(dú)建立區(qū)域性沼氣設(shè)備的本錢比鄉(xiāng)村要高（主要是地價(jià)），而且關(guān)于沼渣的處置也不會(huì)像鄉(xiāng)村那樣便當(dāng)（鄉(xiāng)村能夠用沼渣直接當(dāng)肥料）
1. Compared with the more prosperous gas pipeline network in the city, biogas is more convenient to use in the countryside. In addition to the relatively low cost of establishment, biogas can maximize the treatment of rural residues and straw disposal. The cost of establishing regional biogas equipment alone is higher than that in the countryside (mainly land price), and the disposal of biogas residue will not be as convenient as that in the countryside (the countryside can use biogas residue as fertilizer directly).
2、城市關(guān)于生物質(zhì)能的應(yīng)用，主要是廢品回收和渣滓直接燃燒發(fā)電。像城市這種大范圍集中式渣滓處置方式，沼氣產(chǎn)生的效率過(guò)低，無(wú)法應(yīng)對(duì)城市渣滓處置的請(qǐng)求，還不如直接燃燒發(fā)電或填埋來(lái)的效率更高。
2. Urban applications of biomass energy are mainly waste recycling and direct combustion of waste to generate electricity. As a large-scale centralized waste disposal method, such as city, the efficiency of biogas generation is too low to respond to the request of urban waste disposal. It is better to burn directly to generate electricity or landfill to achieve higher efficiency.
3、沼氣產(chǎn)生大的限制就是溫度和濕度，只要溫濕度適宜，產(chǎn)生沼氣的細(xì)菌才會(huì)正常生存，從而產(chǎn)生沼氣。因而，在廣闊北方地域，在深秋到初春時(shí)節(jié)是沼氣池中是很難產(chǎn)生沼氣的。即使是有些地域?qū)φ託獬夭扇”卮胧湫室矔?huì)大打折扣。
3. The biggest limitation of biogas production is temperature and humidity. As long as the temperature and humidity are suitable, the bacteria that produce biogas will survive normally and produce biogas. Therefore, in the vast northern region of China, it is very difficult to produce biogas in biogas digesters from late autumn to early spring. Even in some areas, the efficiency of biogas digesters will be greatly reduced by adopting thermal insulation measures.
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2019-03-29
