How to maintain the ventilation system of a closed cooling tower（2）?
How to maintain the ventilation system of a closed cooling tower（2）?
Jun 16, 2025
Closed cooling towers (also known as closed cooling towers, closed cooling towers) are being used more and more frequently in industrial cooling. Daily maintenance of closed cooling towers is essential to extend their life. If maintenance is not timely, failures or damage may occur, shortening the service life of the cooling tower. Next, I will introduce how to maintain the ventilation system of the cooling tower.
1. The fan should be stored in a dry environment to prevent the motor from getting wet. When the fan is stored in the open air, rain protection measures should be taken. During storage and transportation, the fan should be prevented from bumping to avoid damage to the fan.
2. Fan with belt reducer: At startup and after the first 24 hours of operation, the tension of the fan belt should be checked and adjusted to the original tightness. When the pulley and belt are properly adjusted, the number of teeth exposed by the two adjustment bolts on the motor base plate should be equal. Check the linearity of the belt and measure the distance from the motor base plate to the "J" bolt installation angle to be equal. This should ensure that the pulleys that have been pre-adjusted in the factory are in a straight line. As a final check, place a ruler on the two pulleys. There should be four contact points between the ruler and the belt. If necessary, adjust the position of the pulleys. To adjust the appropriate belt tightness, use one finger to apply moderate pressure on the belt between the two pulleys. The deflection in the middle of all types of belts should be about 13mm. The belt tension should be checked once a month.
3. Gear reducer ventilator: Keep the reducer clean, free of dust and grease, and pay attention to whether there is any abnormal sound during the operation of the reducer; check for abnormal vibration and whether the lubricating oil temperature meets the requirements; pay attention to the upper and lower joint surfaces and shaft ends of the reducer to see if there is oil leakage. If there is leakage, eliminate it in time; check whether the oil level is at the specified position through the oil dipstick or oil level mirror.
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