Water-saving anti-freezing device for indirect air-cooled light steel frame structure tower

Abstract

The invention discloses a water-saving anti-freezing device for an indirect air-cooling light steel frame structure tower, and belongs to the technical field of cooling towers. According to the water-saving anti-freezing device for the indirect air-cooling light steel frame structure tower, cooling water of the whole cooling tower can be recycled, a heat exchanger cannot be frozen in cold winter, and the water-saving anti-freezing device is suitable for an area with deficient water resources. According to the technical scheme, a water-saving anti-freezing device body is composed of a circle of heat exchange tube bundle, the heat exchange tube bundle is formed by connecting a plurality of heat exchange tube bundle units in an end-to-end mode, heat exchange tubes are vertically arranged inside the heat exchange tube bundle units, the outer walls of the heat exchange tube bundle units are provided with a plurality of heat exchange fins, the space between the heat exchange tube bundle units and the heat exchange tubes is filled with circulating water for cooling, and a plurality of ventilation skylights are movably arranged on the water-saving anti-freezing device body and located at the upper portions of the heat exchange tube bundles. The water-saving anti-freezing device for the indirect air-cooling light steel frame structure tower can be widely applied to a heat power station.

Description

technical field [0001] The invention relates to a water-saving antifreeze device for an indirect air-cooled light steel frame structure tower, belonging to the technical field of cooling towers. Background technique [0002] Cooling tower is an important equipment for industrial water treatment. It is widely used in many sectors of the national economy, such as electric power, petroleum, chemical industry, steel, building materials and other fields. It is one of the four main engines of thermal power plants. [0003] Existing natural ventilation wet cooling towers are only suitable for areas with relatively abundant water resources. Through direct contact between water in the cooling tower and air, heat transfer and evaporative cooling are carried out, and the heat in the water is transferred to the air. Although this cooling method has It has the advantages of low investment and high heat exchange efficiency, but the biggest disadvantage is that it consumes a lot of water r...

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Problems solved by technology

[0003] Existing natural ventilation wet cooling towers are only suitable for areas with relatively abundant water resources. Through direct contact between water in the cooling tower and air, heat transfer and evaporative heat dissipation are carried out, and the heat in the water is transferred to the air. Although this cooling method has Low investment, high heat exchange efficiency and other advantages, but the biggest disadvantage is the large consumption of water resources

[0004] In addition, the bottom of the existing natural ventilation wet cooling tower will freeze in winter in severe cold areas. The frozen cooling tower cannot work normally, which not only causes damage to the equipment, but also greatly affects the operation of the indirect air cooling system.

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