To choose and buy a cooling tower, it is better to first familiarize you with the different types of this device and the specifications of the cooling tower types. Of course, you can refer to the Azin Ventilation website for more information and contact the sales expert.
https://www.azintahvie.com/product/333/cooling-tower-price-cooling-tower-
Types of cooling towers according to the direction of time
1- Cooling tower with cross flow:
In this device, the water enters from the top to the bottom and the air flow enters transversely and exits from the top after contacting the water. This system is widely used for two important reasons:
The cheapest cooling system is water.
The amount of wasted hot water is very small.
The following are the advantages of this type of tower:
Low costs
Simple maintenance
2- Irregular flow or opposite flow cooling tower:
In the cooling tower, the opposite flow-counterflow water enters from the top of the tower and air enters from the bottom in the opposite direction. Process heterogeneity is more efficient than cross-flow, both in terms of mass transfer and heat transfer. These towers are mainly used to cool large volumes of water such as oil and gas refineries and petrochemicals.
Among the advantages of the reverse flow cooling tower:
The most contact between phases takes place in these towers Maximum driving force for mass and heat transfer Types of cooling towers are divided into three categories based on the method of heat transfer, as mentioned below
In this model, water does not play a role, but the process fluid is cooled by passing air through an exchanger.
Cooling in these towers is done by water evaporation. One of the advantages of this equipment is its high energy efficiency, but its main problem is that it is expensive to operate.
It works like an open circuit cooling tower, except that the process fluid does not come into contact with the cooling air. Winding of copper coils is in progress.
Types of cooling towers according to the type of air suction are as follows.
In these towers, due to the evaporation of water, the temperature of the air increases, and as the temperature increases, its density decreases and the air rises naturally.
Advantages of natural flow cooling tower
high security
High energy efficiency
Disadvantages of this model
Incompatibility with weather conditions
Space required for installation
High initial cost
This model is mainly used in power plants.
Forced Blowing: There is a fan at the bottom that brings the air into uneven contact with the water.
Forced suction: the fan is installed at the top of the tower and blows the incoming air.
Cooling tower calculations and design
The important parameters in the design of the cooling tower are as follows.
This is the lowest temperature that can be cooled by the evaporation of water in the air, which occurs when the air reaches 100% saturated humidity. Door
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