1. 沼氣發(fā)電機組的沼氣發(fā)電技術是一種集環(huán)保與節(jié)能為一體的新型能源綜合利用技術。它是利用工業(yè)、農業(yè)或城市生活中大量的有機廢液(如糧食、畜禽糞便、城市垃圾和污水等)，將厭氧發(fā)酵處理產(chǎn)生的沼氣，帶動沼氣發(fā)電機組發(fā)電，并能充分利用發(fā)電機組的余熱進行沼氣生產(chǎn)，使綜合熱效率達到80%左右，且遠高于平均30% - 40%的發(fā)電效率，經(jīng)濟效益是顯著的。沼氣發(fā)電技術本身就是提供的清潔能源，不僅解決了沼氣工程中的環(huán)境問題，消耗了大量的廢棄物，保護了環(huán)境，減少了溫室氣體的排放，而且產(chǎn)生了大量的熱能和電能，符合能源回收利用的環(huán)保理念，還帶來了巨大的經(jīng)濟效益。

The biogas power generation technology of biogas generator set is a new energy comprehensive utilization technology that integrates environmental protection and energy conservation. It utilizes a large amount of organic waste liquid (such as grain, livestock manure, urban garbage, and sewage) from industrial, agricultural, or urban life to anaerobically ferment and produce biogas, which drives a biogas generator set to generate electricity and fully utilizes the waste heat of the generator set for biogas production. The comprehensive thermal efficiency reaches about 80%, which is much higher than the average power generation efficiency of 30% -40%, and the economic benefits are significant. Biogas power generation technology itself provides clean energy, which not only solves environmental problems in biogas engineering, consumes a large amount of waste, protects the environment, reduces greenhouse gas emissions, but also generates a large amount of heat and electricity, in line with the environmental concept of energy recycling and utilization, and brings huge economic benefits.

沼氣發(fā)電機組的沼氣發(fā)電是一個系統(tǒng)工程，它包括沼氣生產(chǎn)、沼氣凈化儲存、沼氣發(fā)電與互聯(lián)網(wǎng)接入等單元技術優(yōu)化結合。沼氣發(fā)電始于20世紀70年代初。為了合理地利用有機廢物污染處理中產(chǎn)生的沼氣。沼氣發(fā)電在中國的研究和應用也有多年的歷史，由于開始使用沼氣多是在農村把植物和糞肥等有機廢物厭氧發(fā)酵產(chǎn)生在池中，雖然甲烷和地面量大，但產(chǎn)氣量小，發(fā)動機功率小，而且沼氣產(chǎn)量常受氣候影響，氣體組成、熱值和產(chǎn)氣量不穩(wěn)定。

The biogas power generation of biogas generating units is a systematic project, which includes the optimization and combination of unit technologies such as biogas production, biogas purification and storage, biogas power generation and Internet access. Biogas power generation began in the early 1970s. In order to make reasonable use of the biogas generated from organic waste pollution treatment. The research and application of biogas power generation in China also have a history of many years. Due to the fact that biogas was first used in rural areas to anaerobically ferment organic waste such as plants and manure in ponds, although the methane and ground amount are large, the gas production is small, the engine power is low, and the biogas production is often affected by climate, resulting in unstable gas composition, calorific value, and gas production.

近年來，隨著全國各地農牧養(yǎng)雞場大中型沼氣項目的建設，一些發(fā)動機廠改造生產(chǎn)了大型動力沼氣發(fā)動機，并應用于大中型沼氣發(fā)電項目的部分領域。目前，國內成熟的沼氣發(fā)電機組的功率規(guī)格主要集中在24-600KW區(qū)間。從沼氣項目產(chǎn)氣量來看，很多沼氣項目都適合建設500kW以上的沼氣發(fā)電機組。從沼氣項目的產(chǎn)氣量和用電負荷的性質來看，20kW以下的發(fā)電機組也有很大的市場。

In recent years, with the construction of large and medium-sized biogas projects in agricultural, animal husbandry, and chicken farms across the country, some engine factories have transformed and produced large power biogas engines, which have been applied in some fields of large and medium-sized biogas power generation projects. At present, the power specifications of mature biogas generators in China are mainly concentrated in the range of 24-600KW. From the perspective of gas production in biogas projects, many biogas projects are suitable for constructing biogas power generation units with a capacity of over 500kW. From the nature of gas production and electricity load in biogas projects, there is also a large market for power generation units below 20kW.

例如，一個10000豬場沼氣項目，日沼氣80m3.顯然不適合在線發(fā)電，只適合內部用電。其沼澤電一般用于驅動沼氣工程污水泵、豬場通風機、照明等，因此宜配一臺10kW左右的發(fā)電機組。類似的沼氣項目很多，可見對小功率沼氣發(fā)電機組的需求也是很大的。中國農村可用于沼氣發(fā)電的應用前景廣闊，資源十分豐富。

For example, a 10000 pig farm biogas project with a daily biogas output of 80m3 is clearly not suitable for online power generation and is only suitable for internal electricity use. The swamp electricity is generally used to drive sewage pumps, pig farm ventilation fans, lighting, etc. in biogas projects, so it is recommended to equip a generator set of about 10kW. There are many similar biogas projects, indicating a high demand for low-power biogas generators. The application prospects of biogas power generation in rural China are broad and the resources are abundant.

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