How to control the excessive noise from gas-fired boilers in power plants?

2025-11-04

In power plants, gas-fired boilers are a critical piece of equipment, but sometimes they can cause excessive noise, affecting production and the surrounding environment. To address the issue of excessive noise from gas-fired boilers in power plants, we first need to analyze the potential noise sources and then develop corresponding noise control measures.

Noise source analysis:

1. Mechanical noise: Mechanical noise may come from the mechanical operation inside the gas boiler, such as the sound generated by the friction and vibration of components like fans and pumps.

2. Combustion noise : Gas boilers produce combustion noise during the combustion process, which may be caused by gas supply problems or incomplete combustion.

3. Exhaust system noise: The sound of airflow in the exhaust system and the noise generated by the exhaust fan may also be one of the causes of noise.

4. Vibration and noise: The vibration generated when the gas boiler is running may be transmitted into the building structure, producing vibration and noise.

Noise control measures:

1. Noise control for machinery:

- Check the lubrication of mechanical parts to ensure reduced friction.

- Regularly check the tightness of mechanical parts to avoid noise caused by loosening.

- Use shock-absorbing pads to reduce mechanical vibration and transmitted noise.

2. Noise control during combustion:

- Adjust the pressure and speed of the gas supply to ensure a stable combustion process.

- Clean the combustion chamber and burner regularly to ensure complete combustion and avoid noise.

3. Noise control for the exhaust system:

- Install noise reducers or mufflers at the exhaust outlet to reduce the propagation of airflow noise.

- Check that the exhaust pipe is clear to avoid noise problems caused by blockage.

4. Vibration and noise control:

- Ensure the gas boiler is well balanced and supported to reduce vibration transmission to the building structure.

- Install damping materials around components that may vibrate to reduce vibration transmission.

The above noise control measures can effectively reduce the noise levels from power plant gas-fired boilers, improving the working environment of the power plant and the comfort of the surrounding community. During the implementation of these measures, equipment should be inspected and maintained regularly, noise issues should be addressed promptly, and the safe operation of equipment should be ensured to minimize the environmental impact of noise. If complex situations or problems cannot be resolved independently, it is recommended to seek support and guidance from professional technicians to obtain more effective noise control solutions.