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Several methods to solve the noise of cooling tower

Author:Trlon  Views:  Time:2021-06-08
Several methods to solve the noise of cooling tower

  During the operation of the cooling tower, because the pumps, fans and circulating water have been operating, the noise of the closed cooling tower is particularly disturbing. The noise is mainly due to the formation of vibration. The noise of the closed cooling tower details these elements: water dripping sound, fan wind noise, water pump vibration sound. The interference range of the noise resonance of the closed cooling tower is particularly large, and it can also be planned to be within 30-50 meters of the surrounding area, and the noise reduction tiles and noise barriers will be added to return to 60-70dB. Therefore, the noise interference of the closed cooling tower is more serious. Franshion Petrochemical’s methods to completely solve the noise include: isolating noise from spreading, adding sound insulation cotton, and replacing low-speed fans.OvTCooling tower noise reduction treatment manufacturer

  Cooling tower noise reductionOvTCooling tower noise reduction treatment manufacturer

  1. Basic principles of cooling tower noise reduction:OvTCooling tower noise reduction treatment manufacturer

  The noise dissemination of the cooling tower is disseminated according to several methods in detail: air, building, earth, and most of the details are conveyed by air. The basic principle of noise reduction of cooling towers is to isolate the transmission path of sound waves. Add sound barriers around the cooling tower. When the sound encounters the barriers, sound reflections will occur. The larger the reflection interval, the sound will gradually become weaker. , The dB of the sound will be reduced after several times of refraction. Because water noise is different from the noise frequency waves formed by the sound of fans and water pumps, it is more appropriate to install a barrier in the noise area of ​​the cooling tower to be close to the cooling tower.OvTCooling tower noise reduction treatment manufacturer

  2. Practical skills to reduce noise from fans and pumps:OvTCooling tower noise reduction treatment manufacturer

  Fans and pumps are also detailed places where noise is generated. The wind noise announced by the high-speed rotating fan is particularly loud. If it is to deal with the noise of the fan alone, it can also be achieved by increasing the air volume and reducing the speed. Increasing the air volume can also increase the arc view point of the fan page. If the budget is sufficient, you can also consider directly replacing the fan with a low-speed fan blade to reduce noise. Or install a noise reduction screen at the air outlet of the water pump and fan, and the noise reduction range of the noise reduction screen is 20-30 decibels. The water pump can also plan the sound insulation cotton outside the water pump. The sound insulation cotton can particularly effectively reduce the noise, and it is not easy to disturb the heat dissipation of the water pump.OvTCooling tower noise reduction treatment manufacturer

  3. Selection of noise reduction barriers for cooling towers:OvTCooling tower noise reduction treatment manufacturer

  The barrier required for noise reduction of the closed cooling tower should be used according to the situation. The more common ones are brick walls, FRP and aluminum alloys. The brick wall has a lot of noise on the outside, which reflects the sound from different viewpoints, and the service life of the brick wall is particularly reliable. The appearance of aluminum alloy and glass fiber reinforced plastic is relatively lubricated, so a certain curved surface should be planned. Reflect the sound downward to a greater degree. The raw material characteristics of the floating type falling water heater are light structure, easy to transfer, easy to install, and anti-corrosion.OvTCooling tower noise reduction treatment manufacturer

  Trlon energy-saving air conditioning planning cooling tower noise management policy should in principle be to control the noise level of the sound points disturbed by noise within the national noise standard corresponding to the local environment. Cooling tower fan noise reduction treatment is not an overnight job. Find the source of noise, cure both symptoms and root causes, and stay away from cooling tower noise pollution sources.OvTCooling tower noise reduction treatment manufacturer

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