A composite cooling tower

Abstract

The invention discloses a composite cooling tower, which mainly includes a water tank, a spray pump, a bare tube bundle, a filler, a nozzle, a water baffle, a finned tube bundle and an induced fan. The air outside the tower enters the cooling tower from the louvers at the bottom and then passes through the bare tube bundle, packing section and finned tube bundle from bottom to top in sequence, takes away the heat and is discharged into the surrounding environment by the top induced draft fan, while the high-temperature fluid flows first from top to bottom. After being pre-cooled by the finned tube bundle, it enters the bare tube bundle for evaporative cooling, and flows out of the cooling tower after being lowered to the required temperature. The louvers are installed on the four sides of the box wall below the finned tube bundles, and the air is mixed with the air that enters from the bottom louvers and moves upwards, and then cools the high-temperature hot water in the finned tube bundles, improving the cooling efficiency and delaying the cooling of the finned tubes. corrosion. The evaporative cooling is equipped with a packing section, which increases the contact area between the air and the spray water, prolongs the heat exchange time, and improves the heat exchange efficiency. The composite cooling tower can cool high-temperature hot water to achieve a larger temperature difference than ordinary cooling devices, and has remarkable energy-saving and water-saving properties, compact structure, and convenient use.

Description

technical field [0001] The invention relates to a composite cooling tower, in particular to a cooling tower device combining dry cooling and wet cooling, and belongs to the application field of cooling devices. Background technique [0002] Energy is the foundation of social development, the driving force and source of economic development, and the guarantee for improving people's living standards. At present, my country still faces problems such as irrational distribution of energy structure, low efficiency, and development and production that cannot keep up with consumption levels. During the "Twelfth Five-Year Plan" period, my country put forward the energy strategic deployment of adhering to energy saving, emission reduction and sustainable development. In terms of industrial water consumption, my country's industrial water consumption mainly faces problems such as uneven distribution, continuous growth of water consumption, low efficiency, and serious pollution. In orde...

AI Technical Summary

Problems solved by technology

Since the latent heat of vaporization of water is very large, the heat transfer coefficient outside the tube of the closed cooling tower is much larger than that of the air cooler, and the heat transfer effect is good. However, when dealing with hot water with a higher temperature, The spray water outside the tube is easy to scale on the surface of the heat exchange tube, which affects the heat transfer effect and reduces the efficiency

It can be seen that neither the finned tube dry air cooler nor the bare tube bundle closed cooling tower can meet the process requirements alone, and the temperature range for effective heat transfer is different.

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