How to improve the efficiency of energy saving and
2022-10-02- Detail
How to improve the efficiency of energy saving and consumption reduction of cooling tower fans
cooling tower fans are the core equipment of the circulating water system. In terms of the management of circulating water equipment, cooling tower fans account for a large proportion in terms of the number of equipment, maintenance workload, power consumption and so on. The number of fans accounts for 57% of the total equipment in the workshop, the maintenance hours account for 60% of the total, and the power consumption accounts for 22% of the total. How to ensure the long-term operation of the equipment under the condition of energy conservation, consumption reduction and labor reduction, let's briefly talk about the following measures:
1. The height from the top of the packing to the lower edge of the fan suction section should be controlled to be equal to or greater than 0.2 times the fan diameter in the cross flow cooling tower
2. The height of the air flow contraction section between the top surface of the packing of the counter flow cooling tower and the inlet of the air duct shall comply with the following provisions:
1) when the top cover plate of the tower is flat, the top angle of the air flow contraction section calculated from the top surface of the packing should be less than 90 ° for Taizhou enterprises to learn from the world; When a guide ring (umbrella) is set under the flat top cover plate, the top angle of the airflow contraction section calculated from the top surface of the water collector can be 90 ° ~ 110 °
2) when the top cover plate of the tower is of shrinkage type above the water collector, the top angle of the shrinkage section cover plate should be 90 °, especially it can be well matched with wax and matting agent to use ° ~ 110 °
application protection
3. The drenching filler of the cross flow cooling tower should have a contraction angle to the vertical central axis of the tower from the top to the bottom. The shrinkage angle of drip type water spraying filler should be 9 ° ~ 11 °; The shrinkage angle of film type water spraying filler should be 5 ° ~ 6 °
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4. The counter flow cooling tower with air inlet on both sides should be equipped with a middle wind baffle. The upper edge of the baffle is 200 ~ 300mm from the bottom of the filler support beam, and the lower edge extends below the water surface of the tower's sump
5. The cross flow cooling tower should be equipped with measures to prevent the short-circuit circulation of air from the bottom of the packing to the water surface
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