自2011年以來(lái)，山東省狠抓沼氣為主的農(nóng)村能源建設(shè)項(xiàng)目配套實(shí)施，對(duì)大中型規(guī)模化畜禽養(yǎng)殖場(chǎng)，將沼氣生產(chǎn)、有機(jī)肥料生產(chǎn)和養(yǎng)殖污染物處理有機(jī)結(jié)合在一起，推行養(yǎng)殖區(qū)集中治污；在農(nóng)村小規(guī)模養(yǎng)殖場(chǎng)建設(shè)生態(tài)型沼氣工程，解決燃料、肥料、飼養(yǎng)矛盾。建設(shè)各類沼氣池容積達(dá)2萬(wàn)立方米，新建的規(guī)模化養(yǎng)殖場(chǎng)全部配套建設(shè)糞便處理區(qū)，實(shí)現(xiàn)養(yǎng)殖污染物處理后還田，無(wú)直接排放現(xiàn)象發(fā)生，大大保護(hù)了周邊環(huán)境，養(yǎng)殖沼氣脫硫后綜合利用，可取曖、照明、發(fā)電、做飯等，每年可節(jié)約6000噸標(biāo)準(zhǔn)煤。
Since 2011, Shandong Province has paid close attention to the implementation of biogas based rural energy construction projects. For large and medium-sized livestock and poultry farms, biogas production, organic fertilizer production and breeding pollutant treatment are organically combined, and centralized pollution control in breeding areas is implemented; Ecological biogas project should be built in small-scale farms in rural areas to solve the contradiction of fuel, fertilizer and feeding. The capacity of all kinds of biogas digesters is up to 20000 cubic meters, and the newly-built large-scale breeding farms are all equipped with manure treatment areas, so as to realize the return of breeding pollutants to the field after treatment, without direct emission, which greatly protects the surrounding environment. After desulfurization, the breeding biogas can be comprehensively utilized, such as heating, lighting, power generation, cooking, etc., saving 6000 tons of standard coal per year.
養(yǎng)殖畜禽糞便轉(zhuǎn)化產(chǎn)沼氣是目前比較成熟的畜禽糞便能源化技術(shù)，改善原料可利用性，提高微生物的數(shù)量和活性，是提高沼氣發(fā)酵效率的有效措施，大型沼氣工程不在示范探索期，全產(chǎn)業(yè)鏈各環(huán)節(jié)所存在的諸多問(wèn)題仍待解決。
Biogas production from livestock manure is a relatively mature energy technology at present. Improving the availability of raw materials and increasing the number and activity of microorganisms are effective measures to improve the efficiency of biogas fermentation. Large scale biogas project is not in the demonstration period, and many problems in the whole industrial chain still need to be solved.
大力發(fā)展農(nóng)業(yè)循環(huán)經(jīng)濟(jì)，加大沼氣轉(zhuǎn)換技術(shù)是解決農(nóng)村污染的重要手段。沼氣提天然氣作為一種清潔的分布式能源，可替代石化天然氣，用于車用燃料、居民燃?xì)?，是沼氣高值化、能源化利用的重要方式，發(fā)展農(nóng)村沼氣，實(shí)現(xiàn)養(yǎng)殖畜禽糞便的資源化利用對(duì)開(kāi)發(fā)農(nóng)村清潔能源、防治農(nóng)村大氣污染、促進(jìn)生態(tài)循環(huán)農(nóng)業(yè)發(fā)展、改善農(nóng)村人居環(huán)境、鞏固生態(tài)環(huán)境建設(shè)成果都有十分重大的意義。
It is an important way to solve rural pollution to develop agricultural circular economy and increase biogas conversion technology. As a kind of clean distributed energy, biogas extracted natural gas can replace petrochemical natural gas and be used as vehicle fuel and residential gas, which is an important way of high value and energy utilization of biogas. The development of rural biogas and the realization of resource utilization of livestock manure are of great significance to the development of rural clean energy, the prevention and control of rural air pollution, and the promotion of the development of ecological circular agriculture It is of great significance to improve the rural living environment and consolidate the achievements of ecological environment construction.
開(kāi)發(fā)利用農(nóng)村養(yǎng)殖沼氣完全符合產(chǎn)業(yè)興旺、生態(tài)宜居、鄉(xiāng)風(fēng)文明、治理有效、生活富裕的總體要求，具有廣闊的發(fā)展空間。
The development and utilization of biogas in rural areas is fully in line with the overall requirements of industrial prosperity, ecological livability, rural civilization, effective governance and affluent life, and has broad development space.
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