The small restaurant kitchen fan is small and the smoke exhaust is not good, and the noise is too lo

Kitchen fan noise control method.

1.The noise control of the exhaust outlet of the fan is generally adopted by installing the fan muffler, and the design noise reduction may be different according to the specific ZD noise of the fan. In order to effectively reduce the air noise of the equipment and the regenerative noise caused by high-speed airflow, we install impedance composite mufflers at the smoke exhaust outlets.

The lower part is the resistant part, which mainly strengthens the reduction of internal low-frequency noise, pipeline diameter change and diversion; The upper part is a resistive muffler, and a matrix structure is adopted to increase the net air outlet area.

2.For the equipment site, relying on the installation platform and the surrounding walls, install the sound suction and insulation cover above the four equipment.

3.Use sound insulation felt to wrap the fan fume pipe, and use spring bracket to reduce the transmission of vibration and noise in the pipe.

4.The passage in the wall of the fan duct needs to be filled with sound insulation and vibration damping material to ensure that the vibration of the pipe does not affect the wall. In case justice happens.

The noise control of kitchen fans is mainly carried out through sound insulation and vibration reduction, etc., to isolate the noise of the fan, and to reduce the noise and vibration of the corresponding pipes, reduce the transmission of low-frequency noise, and effectively weaken the impact of the fan on the environment when working.

If you choose a brand of fan, if there is little noise, you can communicate with the business, which is not too difficult.

The fan noise is mainly aerodynamic noise, supplemented by mechanical noise, equipment vibration and pipeline noise.

It can be dealt with in the following ways:

1. Sound insulation.

In terms of noise control and sound insulation, you can choose sound insulation covers and sound insulation rooms to control the noise source in a confined space and control the outward propagation of the noise source. And use sound insulation materials in the soundproof room or sound insulation cover, outsourcing or filling, so that the noise emitted by the fan during the working process is effectively isolated, considering the ventilation and heat dissipation of the equipment, the sound reduction louver can be installed; Some air ducts are treated with sound insulation, and the air ducts are softly connected.

2. Sound absorption, noise reduction, and noise reduction.

Sound-absorbing materials and silencers can be used to absorb the sound on the ceilings of the above-mentioned soundproof rooms and soundproof enclosures, so that they can achieve both sound insulation and the best sound absorption effect. The sound-absorbing materials that can be used include sound-absorbing panels, sound-absorbing cotton, polyester fiber-absorbing panels and other sound-absorbing materials. Chip mufflers or duplex combination mufflers can be used for the relevant components of the fan to solve the noise transmission problem at the noise source.

3. Use shock absorbers.

If the mechanical vibration noise of the fan is too large, you can choose to use shock absorbers, damping pads or damping brackets, etc., on the one hand, it can prevent the vibration noise of the fan in the process of working, and on the other hand, it can reduce the noise from the propagation path. When using shock absorbers, it is necessary to pay attention to the use of soft connection materials when connecting the machine to avoid greater fan vibration and noise pollution.

If you want a better noise reduction effect, it is recommended to consult a professional acoustic noise reduction company and treat it according to the targeted noise reduction plan.