The dry-wet combined air cooling tower is a closed cooling device that has both dry-cooling "water-saving" characteristics and wet-cooling "high-efficiency" characteristics. It mainly uses dry-air cooling to achieve water saving. When the ambient temperature is high, it is supplemented by Partial wet cooling, with a small amount of water consumption to achieve lower cooling water temperature requirements. The dry-wet combined air cooling tower takes a critical water spray temperature point as the design boundary condition, organically combines dry air cooling and wet air cooling, and separately calculates and calculates the equipment investment, floor space, and water consumption of dry and wet cooling to achieve water saving. The optimized combination with investment has been widely used in industrial production in water-scarce areas such as Northwest China and North China.
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