在进行沼气发电时，必须控制好沼气发酵环境，保证发电的效率和质量，因此在使用沼气发电机组时要注意以下四个方面：

When carrying out biogas power generation, it is necessary to control the biogas fermentation environment well to ensure the efficiency and quality of power generation. Therefore, when using biogas generators, the following four aspects should be noted:

刚采购过来的沼气发电机组，在运行了50个小时建议进行一次常规保养，因为机组的磨合期的保养至关重要，操作人员必须经常检查沼气发电机组进气管路，防止沼气泄漏和冷凝水过多而影响供气。

The newly purchased biogas generator set is recommended to undergo a routine maintenance after 50 hours of operation, as the maintenance during the running in period of the unit is crucial. Operators must regularly check the intake pipeline of the biogas generator set to prevent biogas leakage and excessive condensation water from affecting gas supply.

沼气发电机工作时应经常巡视、检查沼气发电机组的运行情况，沼气脱硫及稳压、防爆装置，另外，为了防止进气管回火引起沼气管路发生爆炸，应在沼气供应管路上安置防回火与防爆装置，发现问题应及时调整或上报有关领导。

When the biogas generator is working, it should be regularly inspected and checked for the operation of the biogas generator unit, biogas desulfurization, voltage stabilization, and explosion-proof devices. In addition, in order to prevent the explosion of the biogas pipeline caused by the backfire of the intake pipe, anti backfire and explosion-proof devices should be installed on the biogas supply pipeline. If problems are found, they should be adjusted or reported to relevant leaders in a timely manner.

进气系统：沼气发电机在运行中，操作人员应随时掌握负载变化情况并应对沼气发电机的最大负荷进行限制，在进气总管上，需加装一套沼气一空气混合器，以调节空燃比和混合气进气量。

Air intake system: During the operation of the biogas generator, the operator should constantly monitor the load changes and limit the maximum load of the biogas generator. A biogas air mixer should be installed on the intake manifold to adjust the air-fuel ratio and the amount of mixed gas intake.

发动机：沼气的燃烧速度很慢，所以对沼气发动机有较高的要求。沼气发电机的过滤装置应定期清洗。

Engine: The combustion speed of biogas is very slow, so there are high requirements for biogas engines. The filtration device of the biogas generator should be cleaned regularly.

调速系统：沼气发电机组沼气进气压力不得低于1.8kPa，沼气发动机的运行场合是和发电机一起以用电设备为负荷进行运转，为了确保发电机正常发电，沼气发动机上的调速系统必不可少。

Speed control system: The biogas inlet pressure of the biogas generator set shall not be lower than 1.8kPa. The operation of the biogas engine is carried out together with the generator under the load of electrical equipment. In order to ensure the normal power generation of the generator, the speed control system on the biogas engine is essential.

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