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燃气发电机组类型及沼气净化建议

   发布于:2020-02-12 10:42

德赢官网 | 官网登录首页 1 天然气发电机组:以天然气为燃料的发电机组。天然气的主要可燃成分是甲烷CH4。甲烷浓度一般在70%-97%之间。天然气

  1. 天然气发电机组:以天然气为燃料的发电机组。天然气的主要可燃成分是甲烷CH4。甲烷浓度一般在70%-97%之间。天然气主要由气井或轻烃回收后的伴生气工艺尾管生产。天然气发电机组主要用于天然气资源丰富的气田、轻烃回收企业和天然气管道沿线获得天然气使用权的企业。

  1. Natural gas generator set: the generator set with natural gas as fuel. The main combustible component of natural gas is methane CH4. Methane concentration is generally between 70% and 97%. Natural gas is mainly produced by tail pipe of associated gas process after recovery of gas well or light hydrocarbon. Natural gas generator units are mainly used in gas fields with rich natural gas resources, light hydrocarbon recovery enterprises and enterprises with access to natural gas along the natural gas pipeline.

  2.石油伴生气发电机组:石油伴生气的可燃成分主要有CH4、C2H6、C3H8、C4H10等。甲烷CH4是主要成分。它的含量一般在80%左右。伴生气来自油井。因此,伴生气发电机组主要用于伴生气油田。

  2. Oil associated gas generator set: the combustible components of oil associated gas mainly include CH4, C2H6, C3H8, C4H10, etc. Methane CH4 is the main component. Its content is generally about 80%. Associated gas comes from oil wells. Therefore, associated gas generator set is mainly used in associated gas oil field.

燃气发电机组

  3.发生炉煤气发电机组:发电机组的燃料是发电机组的气体。煤气中二氧化碳和水蒸气少氧气室炉膛集成通过氧化还原反应的进行,煤气公司主要可燃成分,H2,此外,还有少量的甲烷CH4, CO含量一般在25% - 35%,H2含量一般在6% - 10%的甲烷含量一般在2% - 6% CnHm含量一般在0.5% - 3%的平均煤气含有很多硫、苯、奈,焦油、水分和灰分、硫、苯、奈,焦油,燃气发动机运行时,发电机气体进入发电机组前必须进行预处理。

  3. Generator gas generator set: the fuel of generator set is the gas of generator set. The integration of carbon dioxide and water vapor in the gas is carried out by oxidation-reduction reaction. The main combustible component of the gas company is H2. In addition, there is a small amount of methane CH4. The content of CO is generally 25% - 35%. The content of H2 is generally 6% - 10%. The content of methane is generally 2% - 6% and the content of CnHm is generally 0.5% - 3%. The average gas contains a lot of sulfur, benzene, Nai, tar, water and ash, sulfur, benzene During the operation of, Nai, tar and gas engines, the gas of the generator must be pretreated before entering the generator set.

  4.液化石油气发电机组:发电机组以液化石油气为燃料。液化石油气的主要成分是丙烷C3H8和丁烷C4H10。LPG主要生产于轻烃回收企业。

  4. LPG generator set: the generator set is fueled by LPG. The main components of LPG are propane C3H8 and butane C4H10. LPG is mainly produced in light hydrocarbon recovery enterprises.

  5.高炉煤气发电机组使用炼焦煤气、高炉煤气和转炉煤气,这些煤气来自炼钢厂和炼铁厂。除尘、脱硫、除雾处理后,送入燃气发电机组发电。

  5. The blast furnace gas generator unit uses coking gas, blast furnace gas and converter gas, which come from the steelmaking plant and ironmaking plant. After dedusting, desulfuration and demisting treatment, it will be sent to gas generator unit for power generation.

  沼气发生器净化沼气的建议:

  Suggestions for biogas purification by biogas generator:

  甲烷净化系统包括:气水分离器、砂过滤器和脱硫装置。

  Methane purification system includes: gas water separator, sand filter and desulfurization device.

  2. 净化系统处理后的甲烷质量指标应满足以下要求:

  2. The quality index of methane treated by the purification system shall meet the following requirements:

  A)甲烷含量超过55%;

  A) Methane content is more than 55%;

  B)硫化氢含量小于20mg/m3。

  B) Hydrogen sulfide content is less than 20mg / m3.

  甲烷中的水蒸气通常因重力而脱水。对于产量大于1000m3/d的沼气项目,也可以采用冷分离、固体吸附、溶剂吸附等脱水工艺。

  Water vapor in methane is usually dehydrated by gravity. For biogas projects with a production of more than 1000m3 / D, dehydration processes such as cold separation, solid adsorption and solvent adsorption can also be used.

  4 .沼气气水分离器可根据以下参数进行设计:

  4. The biogas gas water separator can be designed according to the following parameters:

  A)进入气水分离器的甲烷量按日甲烷量计算;B)气水分离器内甲烷供气压力大于2kPa;C)气水分离器压力损失应小于100Pa;D)气水分离器气缸高度为直径的4 ~ 6倍;E)气水分离器应配备自动排水装置。

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