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How to reduce the noise of diesel generators?

How to reduce the noise of diesel generators?

When the operating speed of the diesel generator set is 1500rpm, 105 decibels of noise will be generated one meter away from the generator set. How to reduce the noise, in order to avoid noise from being transmitted to the engine room, the noise reduction project should include the following links:

Noise reduction at the entrance to the engine room of diesel generator set:

Each diesel generator room has at least one entrance door. From the perspective of noise reduction, the door of the diesel generator room should not be set too much. Generally, one door and a small door should be set up, and the area should not exceed 3 square meters. The frame is made of metal, with high-strength sound insulation materials attached inside, and metal iron plates on the outside. The muffler door fits closely with the wall and the door frame.

Silence of air intake system of diesel generator set:

When the diesel generator set is working, there must be enough intake air to maintain the normal operation of the diesel generator set. Generally, the intake system should be set directly opposite to the exhaust outlet of the fan of the diesel generator set. According to our experience, the air intake adopts forced air intake. In this way, the inlet air is drawn into the machine room by the blower through the muffler duct.

Silence of exhaust system of diesel generator set:

When the diesel generator set adopts the water tank fan system for cooling, the heat of the water tank radiator must be discharged outside the diesel generator room. In order to prevent noise from being transmitted outside the diesel generator room, the exhaust system must be equipped with an exhaust silencer duct.

Silence of the exhaust system of the diesel engine outside the engine room of the diesel generator set:

The exhaust air of the diesel generator set is silenced by the exhaust muffler duct, and then the noise is still high outside the diesel generator room. The exhaust air must pass through the muffler duct set outside the diesel generator room to reduce the noise to a minimum. To the limit, the exterior of the sound-absorbing duct is a brick wall structure, and the interior is a sound-absorbing panel.

Exhaust muffler system of diesel generator set:

The exhaust gas emitted by the diesel generator set produces a certain amount of noise. We added a silencing box to the exhaust emission system of the genset. At the same time, the exhaust muffler pipes are wrapped with fireproof rock wool materials, which can reduce the heat emission of the diesel generator set. In the engine room of the diesel generator set, the working vibration of the diesel generator set can be reduced, so as to achieve the purpose of attenuating noise.

Why do I need to change the oil and oil filter after a new machine has been used for a period of time?

During the running-in period of the new machine, it is inevitable that impurities will enter the oil pan, causing physical or chemical changes in the oil and the oil filter.