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您了解沼气发电机组的原理吗?

来源:http://www.huannengpower.com   发布于:2017-06-20

沼气发电具有创效、节能、安全和环保等特点,是一种分布广泛且价廉的分布式能源.市场研究表明沼气发电在发达国家已受到广泛重视和积极推广。生物质能发电并网在西欧一些国家占能源总量的10%左右。 沼气发电技术是集环保和节能于一体的能源综合利用新技术。

Biogas power generation has many advantages, such as efficiency, energy saving, safety and environmental protection. It is a widely distributed and cheap distributed energy market. Market research shows that biogas power generation has attracted extensive attention and actively promoted in developed countries. Biomass power generation grid connected in Western Europe, some countries accounted for about 10% of total energy. Biogas power generation technology is a new technology of energy comprehensive utilization which integrates environmental protection and energy saving.

它是利用工业、农业或城镇生活中的大量有机废弃物,经厌氧发酵处理产生的沼气,驱动沼气发电机组发电,并可充分将发电机组的余热用于沼气生产。 沼气发电热电联产项目的热效率,视发电设备的不同而有较大的区别,如使用燃气内燃机,其热效率为70%~75%之间,而如使用燃气透平和余热锅炉,在补燃的情况下,热效率可以达到90%以上。

It is the use of a large number of organic waste industry, agriculture or urban life, the biogas anaerobic fermentation treatment, biogas power generation waste heat driven, and fully generating units for biogas production. The thermal efficiency of biogas power cogeneration projects, as power devices are different and the difference is larger, such as the use of gas engine, its thermal efficiency is between 70%~75%, and such as the use of gas turbine and boiler, in afterburning condition, the thermal efficiency can reach above 90%.

沼气发电机组

沼气发电技术本身提供的是清洁能源,不仅解决了沼气工程中的环境问题、消耗了大量废弃物、保护了环境、减少了温室气体的排放,而且变废为宝,产生了大量的热能和电能,符合能源再循环利用的环保理念,同时也带来巨大的经济效益。 沼气发电机是通过垂直植入垃圾堆体里若干根抽气井,不间断将沼气抽出,经过收集管网送至发电机机组,再经过冷却脱硫脱水、过滤净化等处理后,产生的纯沼气在发电机组里燃烧后发电,再并入电网。

Biogas power generation technology itself is clean energy, not only to solve the environmental problems, the biogas project in consume a lot of waste, protect the environment, reduce greenhouse gas emissions, and waste, produced a lot of energy and electrical energy, with energy recycling concept of environmental protection, but also bring huge economic benefits. The methane generator is through the vertical landfill in a plurality of implanted extraction well, uninterrupted gas extraction, through the collection pipe to the generator unit, after cooling desulfurization dehydration, filtration and purification process, produce pure methane combustion in power generating units in power generation, and then connected to the grid.

沼气发电原理: 首先就是要先从沼气讲起,沼气是部分有机物经过封闭式的厌氧发酵,发酵后就会含有部分沼气,然后经过收集。现在大部分都是生活垃圾或者污水COD含量高的企业沼气量比较充足。然后在开始说沼气的成分,沼气中的成分非常混杂,其中甲烷的含量是比较高的。而且甲烷是一种可燃性气体,热值也比较高。 收集后的沼气通过发电机组的发动机进行燃烧做工,就是内燃机形式,由做工后的扭矩带动发电机的转子绕组进行做工,完成发电流程。

Biogas power generation principle: first of all, it is necessary to start from biogas, biogas is part of organic matter, through closed anaerobic fermentation, fermentation will contain some methane, and then collected. Now, most of them are domestic waste or sewage, and the enterprises with high COD content are relatively abundant in methane. Then, when it comes to biogas, the ingredients in methane are very mixed, of which methane content is relatively high. What's more, methane is a flammable gas with relatively high calorific value. After the collection of methane through the engine of the generator set combustion work, that is, the form of internal combustion engine, by the torque after work to drive the generator rotor winding work, complete the power generation process.

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