Ventilation Influence in Diesel Generator Room on Noise Reduction

The prerequisite for the normal operation of a diesel generator set is to meet the noise reduction requirements while taking into account the ventilation requirements of the diesel generator for the machine room. Since diesel generator sets require a large amount of fresh air during operation, it is necessary to design an exhaust system and exhaust ducts for the machine room that can meet the requirements. A large amount of noise is also spread outside the machine room through the air intake ducts and exhaust ducts. Therefore, the ventilation condition of a diesel generator room will affect the noise reduction effect of the room. This article will be explained in detail by Dingbo Power for everyone.

Designing reasonable air intake ducts and exhaust ducts for diesel generator sets is an important part of noise reduction. Both the air intake and exhaust ducts of the generator set adopt brick-folded ducts. A specially designed air intake silencer and an exhaust muffler are installed. The inner cavities are equipped with sound-absorbing materials and perforated sound-absorbing boards. At the same time, to ensure that the unit can operate at the rated power for a long time and normally, the air intake and exhaust ports of the unit must reserve sufficient exhaust area according to the usage requirements of the unit. A low-noise axial flow fan is installed on the exhaust pipe of the unit to ensure that the machine room has sufficient ventilation. Through the above measures, it is expected to reduce the noise by 25 - 30 dB(A).

Exhaust noise is the main noise source of diesel generator sets. Two mufflers are used in series for secondary sound attenuation, and it is expected to reduce the noise by TL = 30 - 40 dB(A). On the other hand, the connection of the exhaust pipe must have good sealing performance. Part of the noise is discharged into the atmosphere through the exhaust pipe. To prevent the temperature in the machine room from rising after the unit has been operating for a long time, which may affect the output power of the unit, the exhaust pipes and exhaust mufflers of diesel generator sets are insulated and heat-preserved.

As can be seen from the above, the ventilation condition of a diesel generator room has a certain impact on the noise reduction effect of the room. When designing a diesel generator room, users should make comprehensive considerations.

Dingbo Power has advanced testing equipment, modern production technology, professional manufacturing technology, perfect quality management system, and strong technical research and development capabilities. It can provide 3kW～2500kW various specifications of ordinary, automatic, four protection, automatic switching, low noise and mobile generator sets, high quality and low energy consumption to meet the diverse power needs of customers, and can also meet users with different voltages and different frequencies. It is required to create a parallel power supply system for multiple units. If you are interested in our product or any question on generator, welcome to send email to [email protected].