一、维护与防范措施：
1、 Maintenance and preventive measures:
1、检查循环泵：
1. Check the circulating pump:
沼气脱硫设备系统正常运行后，定期巡视系统，保障脱硫泵和再生泵工作正常。
After the biogas desulfurization equipment system operates normally, the system shall be inspected regularly to ensure that the desulfurization pump and regeneration pump work normally.
2、检查溢流：
2. Check overflow:
根据相关溢流流量，保障硫磺泡沫排放良好（砂的溢流表明再生塔中的鼓泡方式不能及时排放，影响脱硫效果；溢流流量过大容易干扰废液罐中的硫磺沉积，不利于硫磺沉淀和分离）。
According to the relevant overflow flow, ensure that the sulfur foam is discharged well (the overflow of sand indicates that the bubbling mode in the regeneration tower cannot be discharged in time, affecting the desulfurization effect; the excessive overflow flow easily interferes with the sulfur deposition in the waste liquid tank, which is not conducive to the sulfur precipitation and separation).
3、排水：
3. Drainage:
脱硫塔后的分离器和过滤器应每小时定期排水，以保障沼气不会携带大量水进入装置和H2S检测器。
The separator and filter behind the desulfurization tower shall be drained regularly every hour to ensure that biogas will not carry a large amount of water into the unit and H2S detector.
4、检查H2S探测器：
4. Check H2S detector:
定期检查H2S检测器气体管道（入口管和出口管）的堵塞情况，保障管道畅通，以便准确检测脱硫后沼气中的H2S含量。
Regularly check the blockage of the gas pipeline (inlet pipe and outlet pipe) of the H2S detector to ensure that the pipeline is unblocked so as to accurately detect the H2S content in the biogas after desulfurization.
5、管道检查：
5. Pipeline inspection:
沼气脱硫设备系统停止正常运行后，定期检查所有管道和法兰连接，保障无气体和液体泄漏。
After the biogas desulfurization equipment system stops normal operation, regularly check all pipelines and flange connections to ensure that there is no gas and liquid leakage.
6、硫磺泡沫清洗：
6. Sulfur foam cleaning:
定期清理废液罐中积累的硫磺，避免硫磺沉积过多，导致液体溢出到循环液中，导致脱硫效率下降。
Regularly clean up the sulfur accumulated in the waste liquid tank to avoid excessive sulfur deposition, which will cause the liquid to overflow into the circulating liquid and reduce the desulfurization efficiency.
7、做好值班记录：
7. Keep duty records:
每次检查或操作后，应仔细填写值班记录表。如果设备有问题，须在离开前解释清楚。
After each inspection or operation, carefully fill in the duty record form. If there is any problem with the equipment, please explain clearly before leaving.
二、故障判断与处理：
2、 Fault diagnosis and treatment:
对于沼气脱硫设备系统运行中可能出现的一些常见故障及相应的处理方法，请参考以下内容：
For some common faults that may occur during the operation of biogas desulfurization equipment system and the corresponding treatment methods, please refer to the following contents:
1、H2S检测器读数长期保持不变，无法实现自动加碱：
1. The reading of H2S detector remains unchanged for a long time, and automatic alkali dosing cannot be realized:
原因分析及处理方法：
Cause analysis and treatment method:
（1）H2S探测器的气管线堵塞，清洗干净。（2）如果仪器损坏，请更换。
(1) The gas pipeline of H2S detector is blocked and cleaned. (2) If the instrument is damaged, please replace it.
2、H2S检测仪读数低于较大报警值，电磁阀仍处于开加碱状态：
2. The reading of H2S detector is lower than the larger alarm value, and the solenoid valve is still in the open alkali adding state:
原因分析及处理方法：
Cause analysis and treatment method:
如果电磁阀卡住，应及时清理。
If the solenoid valve is stuck, it should be cleaned in time.
3、沼气脱硫设备喷射器的反向喷射：
3. Reverse injection of ejector of biogas desulfurization equipment:
（1）如果喷油器尾管堵塞，应及时清理。（2）再生泵、管路堵塞，喷射压力降低，应及时清洗。
(1) If the fuel injector tail pipe is blocked, it shall be cleaned in time. (2) If the regeneration pump and pipeline are blocked and the injection pressure is reduced, it shall be cleaned in time.
The above is the detailed introduction of biological desulfurization for you. I hope it will help you. If you have any questions, please contact us. We will provide services for you with a professional attitude https://www.hneee.net
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