With the development of economy and the improvement of people's living standard, it is very convenient to eat out now. People with different tastes can find a restaurant that suits their tastes. Now there are many catering companies, each restaurant must have a kitchen that can cook and a kitchen to cook, but due to the influence of exhaust ventilation pipe and its length and raw materials.
During operation, there may be a lot of noise, which will affect the surrounding environment and will be affected by the surrounding environment. Complaints from residents. So, what is the cause of this noise attack? The hood unit is not firm. If the direction is not smooth, the screw is loose and the part falls, it will form a resonance sound on the bracket.
At this time, it is necessary to reinstall the range hood or components. The position must be estimated to ensure the correctness of the equipment, and the check valve device is not correct. For example, if the check valve fails or falls, the smoke exhaust effect is not good. When the soot is in the pipeline, the check valve resonates or the air flow is disturbed, which is easy to generate noise.
At this time, the check valve should be reinstalled or replaced by a new check valve, the rotor blade is deformed, and the equipment is not correct. Due to long-term use, a large amount of oil is attached to the wind turbine, resulting in imbalance, and part of the blade damage may cause noise. At this time, the range hood shall be cleaned regularly and the fan wheel shall be replaced if necessary.