The stable operation of exhaust gas treatment equipment is directly related to the environmental compliance and production safety of enterprises. Preventive maintenance is not simply a routine inspection, but a systematic management approach to detect potential problems in advance and avoid sudden failures of exhaust gas treatment equipment. Efficient operation and maintenance of exhaust gas treatment equipment can not only extend its lifespan, but also reduce operating costs and mitigate the risks associated with unplanned shutdowns.

1. Daily inspection and record management

Daily inspections are the foundation of preventive maintenance. Operators need to pay attention to whether the operating parameters of the exhaust gas treatment equipment are within the normal range, such as fan current, pipeline pressure, adsorbent saturation, etc. Minor changes may be a precursor to faults, such as abnormal noise from a fan indicating bearing wear, and an increase in pressure difference indicating clogged filter bags.

Record management is very important, and every inspection should record key data in detail, including temperature, pressure, flow rate, etc., and compare them with historical data. Long term data accumulation can help exhaust gas operation and maintenance personnel discover potential patterns, such as certain components being more prone to wear and tear under specific operating conditions, and thus develop maintenance plans in advance.

2. Regular maintenance of key components

The core components of exhaust gas treatment equipment need to be closely monitored. Taking catalytic combustion equipment as an example, the activity of the catalyst will gradually decrease over time, and regular monitoring of its conversion efficiency is crucial. If a decrease in processing efficiency is found, replacement may be necessary, otherwise the emission standards may exceed the standard.

The filter bag of the bag filter is a vulnerable part that may be damaged or blocked after long-term operation. Regularly checking the pressure difference of the filter bag to clean the accumulated dust and replacing the damaged filter bag if necessary can effectively avoid the increase in energy consumption caused by increased system resistance.

The saturation state of the adsorbent in the activated carbon adsorption device directly affects the treatment effect. By regularly monitoring the export concentration or observing changes in the color of activated carbon, it is possible to determine whether replacement or regeneration is needed. Ignoring this may result in substandard exhaust emissions and even pose safety hazards.

3. Electrical and automation system inspection

Modern waste gas treatment equipment is usually equipped with PLC or DCS control systems, which have a high degree of automation. However, electrical components such as relays, sensors, and frequency converters may fail due to environmental humidity, dust, or vibration. Regularly check whether the wiring terminals are loose and whether the signal transmission is normal to avoid system misoperation or shutdown due to electrical faults.

Calibrating gas detectors is also crucial. Drift or failure of sensors may result in monitoring data failure and affect system regulation. It is recommended to calibrate once every quarter to ensure data accuracy and avoid unnecessary maintenance or penalties caused by false positives.

4. Lubrication and maintenance of mechanical components

The lubrication status of mechanical components such as fans, pumps, valves, etc. directly affects the service life of exhaust gas treatment equipment. Lack of oil in bearings can lead to increased friction, temperature rise, and ultimately cause malfunctions. Regularly supplementing or replacing lubricating oil according to the requirements of the exhaust gas treatment equipment manual, checking whether the seals are aging, can reduce the mechanical failure rate.

For rotating equipment, vibration monitoring is an effective preventive measure. Abnormal vibration may indicate rotor imbalance, bearing wear, or poor coupling alignment. Regular testing with a vibration analyzer can detect problems early and avoid sudden equipment damage.

5. Emergency maintenance and spare parts management

Even if preventive maintenance is done well, unexpected situations may still occur. Enterprises should develop emergency plans to clarify the fault handling process, such as how to switch to the backup system when equipment suddenly stops, or how to quickly contact technical support.

Spare parts inventory management is very important. Key vulnerable parts such as filter bags, sealing rings, sensors, etc. should be kept in appropriate inventory to avoid delays in maintenance progress due to procurement cycles. At the same time, the status of spare parts should be regularly checked to prevent failure due to improper storage.

6. Personnel training and responsibility implementation

No matter how good the exhaust gas treatment equipment is, it still requires people to operate and maintain it. Regular technical training should be provided to the operation and maintenance personnel to ensure that they are familiar with the equipment principles, operating specifications, and common troubleshooting methods. Experienced employees can identify potential issues through subtle signs and prevent small faults from escalating into major problems.

The division of responsibilities should be clear, including who is responsible for inspection, who is responsible for recording, and who is responsible for maintenance, all of which should be assigned to individuals to avoid maintenance omissions caused by unclear responsibilities that may affect the long-term stable operation of exhaust gas treatment equipment.

The preventive maintenance of exhaust gas treatment equipment is not an isolated task, but a long-term task that requires systematic planning and strict execution. Through scientific inspections, data analysis, and maintenance of key components, the failure rate of exhaust gas treatment equipment is reduced, and the long-term stable operation of exhaust gas environmental protection equipment is achieved, providing strong guarantees for the sustainable development of enterprises.