How to perform efficient maintenance on closed cooling towers
High quality wall spraying repair of closed cooling towers is a necessary and effective measure to maintain the lifespan of the tower. The overhaul cycle for low-quality spraying in cold regions is only 2-3 years, while the overhaul cycle for high-quality spraying can reach 10 years. Improving the quality of spray repair is an important measure to extend the maintenance cycle, reduce the impact of maintenance downtime, and minimize maintenance costs.
Due to the specific conditions and damage characteristics of closed cooling towers, their operation and maintenance also have certain rules and characteristics:
The operation supervision, adjustment, and maintenance of the first Jinshan closed cooling tower should be carried out in a timely manner and adapted to the season. Before summer, the water tank should be cleaned and the splashing device should be cleaned. Practice has shown that it can achieve the benefit of reducing the circulating water temperature by 0.5-1.00C. Special attention should be paid to determining a reasonable winter operation mode and taking reliable anti freezing measures in cold and extremely cold regions
The second highest quality tower wall spraying repair is a necessary and effective measure to maintain the service life of the tower. The overhaul cycle for low-quality spraying in cold regions is only 2-3 years, while the overhaul cycle for high-quality spraying can reach 10 years. Improving the quality of spray repair is an important measure to extend the maintenance cycle, reduce the impact of maintenance downtime, and minimize maintenance costs.
The maintenance of the third water spraying device should be organized in a timely manner according to the specific situation, and major repairs should be organized reasonably. For the selection of overhaul and minor repair schemes, in addition to the cost factors of this maintenance, the thermal effect should be carefully considered, the maintenance quality should be effectively emphasized, and the overhaul cycle should be extended. The achievable overhaul cycle is: wooden water drenching board -8 years, cement water drenching Flat noodles -8 years, honeycomb paper -5 years, cement grid -12 years, plastic water drenching filler -8-10 years.
The following points should be noted in the maintenance process and schedule arrangement of the fourth closed cooling tower,
1. Closed cooling towers have the highest heat load in summer, and major repairs for tower shutdowns should generally be completed before the arrival of summer to strive for annual profits and reduce the impact of tower shutdowns. The dismantling project, component prefabrication, and construction preparation for this major overhaul should be arranged in advance. For tasks such as spraying the inner wall of the tower and lifting the water spraying device that require tower shutdown before construction, they should be completed in spring.
2. The duration of tower maintenance and production unit maintenance should be coordinated and appropriately balanced.
3. The spraying of the inner wall of the tower must be carried out under the condition of stopping the tower, and the spraying of the outer wall of the tower can be carried out under the operating conditions of the cooling tower. Both should be completed within the same year as much as possible to ensure the quality of maintenance. The wall spraying repair should be completed half a month before the local freezing to ensure the complete curing quality of the spraying layer.
4. The arrangement for the overhaul of the inner wall of the tower and the overhaul of the water spraying device should be balanced to reduce the damage caused to the water spraying device by objects falling during the spraying of the inner wall of the tower, or to reduce unnecessary protective costs.
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Guangdong Trlon Energy-saving Air Conditioning Equipment Co., Ltd.
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