Air-air heat exchange device for defogging and water condensing of cooling tower

Abstract

The invention discloses an air-air heat exchange device for defogging and water condensing of a cooling tower. The air-air heat exchange device is simple in structure, good in defogging and water condensing effect and capable of being popularized. An axial flow fan, a gradual expansion channel and an air-air heat exchanger are sequentially arranged in the dry cold air flowing direction. The axial flow fan is used for guaranteeing the dry cold air flow and overcoming runner resistance. The gradual expansion channel is used for connecting the axial flow fan with a dry cold air inlet of the air-air heat exchanger. The air-air heat exchanger is composed of dry cold air runners and wet-hot air runners and used for increasing the heat exchange area of dividing wall heat exchange, enhancing mixing of dry cold air and wet-hot air and promoting liquid water in wet-hot air in the cooling tower to be condensed. Each of the dry cold air runners and the wet air channels of the air-air heat exchanger are formed by arranging heat exchange plates at intervals, the sections of the side faces of the heat exchange plates are in a folded line shape or a wave shape, and rectangular holes are formed in the upper portions of the dry cold channels.

Description

technical field [0001] The invention relates to the technical field of industrial cooling equipment, in particular to an air-gas heat exchange device for defogging and condensing water in cooling towers. Background technique [0002] Cooling towers have become one of the main objects of engineering transformation in the process of industrial production due to problems such as a huge amount of evaporated water and a large amount of white mist during operation. my country's per capita water resources are only 25% of the world's average level, of which industrial circulating cooling water accounts for 60-80% of the total industrial water use. The white mist generated at the outlet of the cooling tower not only leads to a huge amount of evaporated water, but also acts as a precursor to the formation of smog, resulting in a decline in the quality of the atmospheric environment in industrial parks and cities, and at the same time damaging the company's own environmental image. Th...

AI Technical Summary

Problems solved by technology

The device guides the cold air into the center of the cooling tower through the horizontal airflow channel, but the axial flow fan of the cooling tower has a small wind pressure in the central area, which is not conducive to the mixed heat exchange between the dry cold air and the hot and humid air in the cooling tower, so the effect of defogging and condensing water is relatively low. Low

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