Indirect Evaporative Cooling Tower
Water distribution pipes: all flame retardant
Design size: customised
Heat exchange method: indirect heat exchange
Cooling principle: evaporation + sensible heat exchange
Flame retardant oxygen index: more than 30%
Feature Advantage: energy saving and environmental protection, pure medium, no pollution
With or without clogging: no scaling, no clogging, no loss
Circulating medium: can be cooled brine, oils, alcohols, quenching liquids, brine and chemical liquids and other mediums
Heat exchanger design: Anti-freezing, anti-friction
Automation system: automated digital control system, high operational precision
Products Description
An indirect evaporative cooling tower is a technology that uses the latent heat of evaporation of water for cooling. Compared with direct evaporative cooling, indirect evaporative cooling tower cools the use air (usually the hot return air in the plant room) by heat exchange between the working air (usually fresh outdoor air) and the circulating water through a non-contact heat exchanger. The purpose is to cool the use air (usually the hot return air in the plant room).

The basic principle of an indirect evaporative cooling tower is that an indirect evaporative cooling tower uses direct evaporatively cooled air (called secondary air) and water to heat exchange with outdoor air through the heat exchanger of the indirect evaporative cooling tower. The heat exchanger of the indirect evaporative cooling tower exchanges heat with the outdoor air to cool the fresh air (called primary air). Since the air does not come into direct contact with water, its humidity content remains unchanged, and the primary air change process is an equal humidity cooling process.

Application in heat treatment processes:
indirect evaporative cooling tower can be used for various processes such as quenching, tempering, annealing and heat treatment. By precisely controlling the temperature of the cooling medium, indirect evaporative cooling towers can achieve the desired organisation and properties of the material. For example, during quenching, the rapid cooling of an indirect evaporative cooling tower enables the formation of martensite, giving the material excellent strength and hardness. During tempering, the indirect evaporative cooling tower can improve the toughness and strength of the material by slow cooling.
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