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沼气发电的基本知识与设备选型

返回 2021.06.28 来源:http://www.huannengpower.com
沼气发电是集环保和节能于一体的能源综合利用新技术,它利用工业、农业或城镇生活中的大量有机废弃物(例如:酒糟液、禽畜粪、城市垃圾和污水等)经厌氧发酵处理产生的沼气,驱动沼气发电机组发电,利用沼气发电对气体成分有一定的要求,气体中的杂质含量如Si、HS等应控制在一定的范围内,沼气的温度为10~60℃,压力为0~5kpa,一般禽畜粪厌氧处理的沼气都能满足发电的气质要求,污水处理沼气需要脱硫等处理,垃圾填埋沼气需要脱水等处理。
Biogas power generation is a new energy comprehensive utilization technology which integrates environmental protection and energy conservation. It uses a large number of organic wastes (such as distiller's grains, livestock manure, urban garbage and sewage) in industry, agriculture or urban life to generate biogas by anaerobic fermentation, which drives the biogas generator to generate electricity. There are certain requirements for gas composition in biogas power generation, The content of impurities such as Si and HS in the gas should be controlled within a certain range. The temperature of biogas is 10 ~ 60 ℃ and the pressure is 0 ~ 5kpa. Generally, the biogas from anaerobic treatment of livestock manure can meet the requirements of power generation. The biogas from sewage treatment needs desulfurization, and the biogas from landfill needs dehydration.
沼气发电效率与气体中的甲烷浓度有关,理论上甲烷含量55%的沼气每立方沼气可发电1.8KWh,实际发电时,沼气浓度一般不能稳定在一个固定值上.
The efficiency of biogas power generation is related to the concentration of methane in the gas. Theoretically, biogas with 55% methane content can generate 1.8kwh per cubic meter of biogas. In actual power generation, the concentration of biogas is generally not stable at a fixed value
在这种情况下,沼气发电机组照常可以运行,只是发电量会有所降低,发出的电量可进行上网,沼气发电机组的输出电压为400V,可以与6300V或10000V变压器低压端相联,若低压线路长,400V可以升压到6300V与供电局进线相连。
In this case, the biogas generator set can operate as usual, but the generating capacity will be reduced, and the generated electricity can be connected to the grid. The output voltage of biogas generator set is 400V, which can be connected with the low voltage end of 6300v or 10000v transformer. If the low voltage line is long, 400V can be increased to 6300v, which can be connected with the incoming line of Power Supply Bureau.
许多打算做沼气发电的用户经常会问的一个问题就是,应该选择多大功率的发电机组合适,理论上甲烷含量55%的沼气每立方沼气可发电1.8KWh;一般沼气池每天的产气量是沼气池体总容积的20%左右(选用沼气池工艺不同,产气量不同),具体的就要计算才能确定了。先算出每天的沼气可发电的总量,然后再根据每天的发电时间,就可以确定发电机组的装机功率。
Many users who plan to do biogas power generation often ask the question: what kind of power generation unit should be chosen? Theoretically, biogas with 55% methane content can generate 1.8kwh per cubic meter of biogas; Generally, the daily gas production of biogas digester is about 20% of the total volume of biogas digester (different biogas digester technology is selected, the gas production is different), and the specific calculation can be determined. First calculate the daily total amount of biogas power generation, and then according to the daily power generation time, the installed power of the generator set can be determined.
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沼气发电的基本知识与设备选型

沼气发电是集环保和节能于一体的能源综合利用新技术,它利用工业、农业或城镇生活中的大量有机废弃物(例如:酒糟液、禽畜粪、城市垃圾和污水等)经厌氧发酵处理产生的沼气,驱动沼气发电机组发电,利用沼气发电对气体成分有一定的要求,气体中的杂质含量如Si、HS等应控制在一定的范围内,沼气的温度为10~60℃,压力为0~5kpa,一般禽畜粪厌氧处理的沼气都能满足发电的气质要求,污水处理沼气需要脱硫等处理,垃圾填埋沼气需要脱水等处理。
Biogas power generation is a new energy comprehensive utilization technology which integrates environmental protection and energy conservation. It uses a large number of organic wastes (such as distiller's grains, livestock manure, urban garbage and sewage) in industry, agriculture or urban life to generate biogas by anaerobic fermentation, which drives the biogas generator to generate electricity. There are certain requirements for gas composition in biogas power generation, The content of impurities such as Si and HS in the gas should be controlled within a certain range. The temperature of biogas is 10 ~ 60 ℃ and the pressure is 0 ~ 5kpa. Generally, the biogas from anaerobic treatment of livestock manure can meet the requirements of power generation. The biogas from sewage treatment needs desulfurization, and the biogas from landfill needs dehydration.
沼气发电效率与气体中的甲烷浓度有关,理论上甲烷含量55%的沼气每立方沼气可发电1.8KWh,实际发电时,沼气浓度一般不能稳定在一个固定值上.
The efficiency of biogas power generation is related to the concentration of methane in the gas. Theoretically, biogas with 55% methane content can generate 1.8kwh per cubic meter of biogas. In actual power generation, the concentration of biogas is generally not stable at a fixed value
在这种情况下,沼气发电机组照常可以运行,只是发电量会有所降低,发出的电量可进行上网,沼气发电机组的输出电压为400V,可以与6300V或10000V变压器低压端相联,若低压线路长,400V可以升压到6300V与供电局进线相连。
In this case, the biogas generator set can operate as usual, but the generating capacity will be reduced, and the generated electricity can be connected to the grid. The output voltage of biogas generator set is 400V, which can be connected with the low voltage end of 6300v or 10000v transformer. If the low voltage line is long, 400V can be increased to 6300v, which can be connected with the incoming line of Power Supply Bureau.
许多打算做沼气发电的用户经常会问的一个问题就是,应该选择多大功率的发电机组合适,理论上甲烷含量55%的沼气每立方沼气可发电1.8KWh;一般沼气池每天的产气量是沼气池体总容积的20%左右(选用沼气池工艺不同,产气量不同),具体的就要计算才能确定了。先算出每天的沼气可发电的总量,然后再根据每天的发电时间,就可以确定发电机组的装机功率。
Many users who plan to do biogas power generation often ask the question: what kind of power generation unit should be chosen? Theoretically, biogas with 55% methane content can generate 1.8kwh per cubic meter of biogas; Generally, the daily gas production of biogas digester is about 20% of the total volume of biogas digester (different biogas digester technology is selected, the gas production is different), and the specific calculation can be determined. First calculate the daily total amount of biogas power generation, and then according to the daily power generation time, the installed power of the generator set can be determined.