Below are some of the key features considered while purchasing square cooling towers.
Cast Aluminum Fan
The fans work towards the scientific principle of gravity and display a high volume of air, despite the lightweight. The axial flow fans are considered efficient because of the optimal aerodynamic forces that vary according to the duty position.
The axial flow fans can be run at rotational speeds to produce the necessary pressure. They are considered better than centrifugal fans because of the easy usability to draw air forward, eliminating any centrifugal effect generated during the airflow.
Built With FRP Material
FRP material is considered to have a high strength to weight ratio. They are used for building towers because of specific stiffness and the capability of chemical addition.
The labor and equipment cost of using FRP is relatively less given other advantages of less installation time, minimum service, and lessor no chances of downtime. FRP absorbs seismic blast energy, as such the material is often used as a polymer damper.
Counterflow Induced Drift Technology
Counterflow square cooling towers are typically in practice due to low-pressure spray nozzles capable of dividing the hot water equally over the infill surface. The spray nozzles distribute the water in fine droplets. The presence of a drift eliminator above the water distribution area rejects water in liquid form and keeps it in the circulating system.
Direct Driven Cooling Towers
Direct drive motors are common in square cooling tower design. They are useful because of the low maintenance requirements. There are several options under the right direct drive in which the motor directly drives the cooling tower fan.
The motor of a direct drive offers minimal maintenance requirements with high reliability. In most cases, direct-drive motors have permanent magnet motors. The use of the technology has grown over the past decade and is widely used in numerous applications that need powerful motors for operation.
Cross Corrugated PVC Film Fills
The basic advantage of using PVC film fills is to improve water distribution. The film fills work by cutting the water stream while flowing through the cooling tower fill pack. The counter flow system features a bonded end for strength and durability. The cooling towers operate by high thermal performance and low-pressure drop.
Each of them is balanced by the film fills in its appropriate engineered microstructure design, thereby maintaining high standards of manufacturing for cooling towers. One of the best efficient filling media is the PVC film fills.
Both counterflow and crossflow cooling towers employ their usage, although in most cases small size towers employ them. Their durability, reliability, and efficiency results in capital cost-cutting as well as reduced operational cost, thereby lowering the entire pump cost. The film fills offer heat exchange by distributing the water droplets into a thin molecular film.
Hot Galvanized Steel
There are several benefits of galvanized steel employed in cooling towers. To start with, the cost of galvanizing is lower than any other protective coating for steel. There is also fewer maintenance charges with advantages of long life, tough coating, complete protection, reliability with ease of inspection, and automatic protection against damages.