當(dāng)下沼氣發(fā)電機組的應(yīng)用需求
隨著沼氣發(fā)電的推行運用,現(xiàn)在沼氣發(fā)電機組市場上需求量大嗎?這可能是好多人關(guān)心的問題,沼氣焚燒發(fā)電是跟著大型沼氣池建設(shè)和沼氣概括運用的不斷展開而出現(xiàn)的一項沼氣運用技術(shù),它將厭氧處理發(fā)生的沼氣用于主張機上,并裝有概括發(fā)電設(shè)備,以發(fā)生電能。沼氣發(fā)電具有創(chuàng)效、節(jié)能、安全和環(huán)保等特點,是一種分布廣泛且價廉的分布式動力。
With the promotion and application of biogas power generation, is there a high demand for biogas generator sets in the market now? This may be a concern for many people. Biogas incineration power generation is a biogas application technology that has emerged with the continuous construction of large-scale biogas digesters and the widespread use of biogas. It uses the biogas generated by anaerobic treatment on the generator and is equipped with a large-scale power generation device to generate electricity. Biogas power generation has the characteristics of efficiency, energy saving, safety, and environmental protection, and is a widely distributed and inexpensive distributed power source.
我國沼氣發(fā)電有30多年的前史,在“十五”期間研制出20~600kW純?nèi)颊託獍l(fā)電機組系列產(chǎn)品,氣耗率0.6~0.8m0/kw h(沼氣熱值 ~>21MJ/m0)。但國內(nèi)沼氣發(fā)電研討和運用商場都還處于不完善階段,特別是適用于我國廣闊村莊區(qū)域小型沼氣發(fā) 電技術(shù)研討更少,我國村莊偏遠區(qū)域還有許多地方嚴峻缺電,如牧區(qū)、海島、偏僻山區(qū)等高壓輸電較為困難,而這些區(qū)域卻有著豐厚的生物質(zhì)質(zhì)料。如能量體裁衣地展開小沼電站,則可揚長避短就地供電。
China has a history of more than 30 years in biogas power generation. During the "Tenth Five Year Plan" period, a series of pure combustion biogas generator sets with a power consumption rate of 0.6-0.8m0/kw h (biogas calorific value~>21MJ/m3) were developed, ranging from 20 to 600kW. However, the domestic market for research and application of biogas power generation is still in an imperfect stage, especially for small-scale biogas power generation technology research applicable to vast rural areas in China. There are still many remote areas in China with severe power shortages, such as pastoral areas, islands, and remote mountainous areas where high-voltage power transmission is difficult, but these areas have abundant biomass materials. If the energy source is used to develop a small biogas power station, it can leverage its strengths and avoid weaknesses for on-site power supply.
盡管我國沼氣發(fā)電機組現(xiàn)已初具規(guī)模,但沼氣發(fā)電運用比例較低,前進空間巨大。歐美國家沼氣工程發(fā)生的沼氣根本用于發(fā)電或提純替代天然氣;而在我國,工業(yè)企業(yè)將沼氣用于鍋爐燃料,農(nóng)場沼氣則用于養(yǎng)殖食堂炊事燃料,跨越大部分的沼氣沒有得到好的運用,垃圾填埋場亦存在沼氣大規(guī)模放空的處理方式,填埋氣回用率低于兩成。
Although China's biogas generator sets have begun to take shape, the proportion of biogas power generation utilization is relatively low, and there is huge room for advancement. The biogas produced in biogas projects in European and American countries is fundamentally used for power generation or purification to replace natural gas; In China, industrial enterprises use biogas as boiler fuel, while farm biogas is used as cooking fuel for breeding canteens. Most of the biogas is not well utilized, and there is also a large-scale venting of biogas in landfills, with a landfill gas reuse rate of less than 20%.
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