沼气工程设备的定时保护保养是发挥沼气工程效益的重要环节。有些沼气工程建成后，由于保护办理不当，形成沼气工程不能运转，因而应当加强设备的保护和保养。
Regular protection and maintenance of biogas engineering equipment is an important link to give full play to the benefits of biogas engineering. After the completion of some biogas projects, due to improper protection, the biogas projects cannot operate. Therefore, the protection and maintenance of equipment should be strengthened.
（1）格栅
(1) Grating
应定时检修、保养格栅，关于破损的要及时替换。机械格栅机运转结束后应及时清洗格栅机。
The grating shall be repaired and maintained regularly, and the damaged ones shall be replaced in time. After the operation of the mechanical grating machine is completed, the grating machine shall be cleaned in time.
（2）泵房
(2) Pump house
①在每次停泵后，应查看填料或油封处的密封情况，进行的处理，并根据需要增加或替换填料、润滑油、润滑脂。
① After stopping the pump every time, check the sealing condition of the packing or oil seal, deal with it, and add or replace the packing, lubricating oil and grease as needed.
②应至少半年查看、调整、替换水泵进出水闸阀与填料1次。
② Check, adjust and replace the inlet and outlet sluice valves and packing of the water pump at least once every six months.
③应定时检修集水池水标尺或液位计及其转换设备。
③ The water gauge or liquid level gauge of the sump and its conversion equipment shall be overhauled regularly.
④备用泵应每月至少进行1次试运转。环境温度低于0℃时，放掉泵壳内的存水。
④ The standby pump shall be commissioned at least once a month. When the ambient temperature is lower than 0 ℃, drain the water stored in the pump casing.
（4）厌氧反应器
(4) Anaerobic reactor
①厌氧反应器的塔体、各种管道及闸阀应每年进行1次查看和修理。
① The tower body, various pipelines and gate valves of anaerobic reactor shall be inspected and repaired once a year.
②厌氧反应器的各种加热设备应常常除垢。
② Various heating equipment of anaerobic reactor should often be descaled.
③当选用热交换器加热时，管道和闸阀处的密封材料应每年替换。
③ When the heat exchanger is selected for heating, the sealing materials at the pipeline and gate valve shall be replaced every year.
④当选用螺旋桨等机械拌和时，轴承应定时查看，增加润滑油，支承架的衔接螺栓应常常查看和紧固。
④ When mechanical mixing such as propeller is selected, the bearing shall be checked regularly to add lubricating oil, and the connecting bolts of the support frame shall be checked and tightened frequently.
⑤蒸气管道、沼气管道的冷凝水应按规划规则定时排放。
⑤ The condensate of steam pipeline and biogas pipeline shall be discharged regularly according to the planning rules.
⑥冰冷区域冬天，对溢流管、防爆设备的水封应做好设备和管道保温防冻作业。
⑥ In winter in cold areas, the water seals of overflow pipes and explosion-proof equipment shall be well insulated and antifreezed.
⑦厌氧反应器运转3~5年整理、检修1次。
⑦ The anaerobic reactor shall be sorted and overhauled once every 3 ~ 5 years.
（5）沼气贮气柜
(5) Biogas gas holder
①定时查看沼气贮气柜、沼气管道及闸阀是否漏气。
① Regularly check whether the biogas storage tank, biogas pipeline and gate valve leak.
②沼气贮气柜表面的油漆或涂料应定时从头涂饰。
② The paint or coating on the surface of biogas gas storage tank shall be painted from scratch regularly.
③沼气贮气柜的升降设施包括进出气阀应常常查看，增加润滑油（脂）。
③ The lifting facilities of biogas gas storage tank, including inlet and outlet valves, should be checked frequently to add lubricating oil (grease).
④冰冷季节前应检修沼气贮气柜水封的防冻设施。
④ Before the cold season, the anti freezing facilities of the water seal of the biogas gas storage tank shall be overhauled.
⑤贮气柜的储存水每半年替换1次。
⑤ The water stored in the gas holder shall be replaced once every six months.
⑥沼气贮气柜运转3~5年应修理1次，气阀，使用寿命到期强制更新。
⑥ The biogas gas holder shall be repaired once every 3 ~ 5 years, and the gas valve shall be forcibly renewed when its service life expires.
⑦沼气报警设备应每年检修1次。
⑦ The biogas alarm equipment shall be overhauled once a year.
（6）沼气净化设备
(6) Biogas purification equipment
①定时查看沼气净化系统的气密性，每周对旁路阀门和备用脱硫塔的阀门进行开、闭运转。
① Regularly check the air tightness of the biogas purification system, and open and close the bypass valve and the valve of the standby desulfurization tower every week.
②定时扫除沼气净化设备中的冷凝水。
② Regularly sweep the condensate in the biogas purification equipment.
③根据设备要求定时替换脱硫剂。
③ Replace desulfurizer regularly according to equipment requirements.
The above is a detailed introduction to the utilization of biogas. I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service https://www.hneee.net
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