Sunday, November 23, 2014

Role of Right Filtartion System in Cooling Tower Industry

Cooling Tower Installation by CASE
The efficiency of a cooling tower depends on various factors. Of the many, filtration system  plays a major role. Engineers believe that the efficiency of a cooling equipment can be easily maintained by installing a right filtration system. Come, let's see how accurate the statement is..

During our survey, we came across many cooling tower manufacturers and suppliers. Most of them said that one essential thing to take care is to keep the process-water clean. This maximize the performance of equipment. It is often seen that dirt clogs into the heat exchange equipment reducing heat transfer efficiency and leading to unnecessary water wastage. Specialists also mentioned that unclean water leads to the growth of microbes such as dangerous Legionella bacteria, which is not good at all.

Cooling towers dissipate unwanted heat through water evaporation. During the process, dissolved solids, like calcium, magnesium, chloride and silica are left behind. As more quantity of water evaporates, the concentration of dissolved solids increases. The solid formation cause scale to form within the system, which eventually corrodes the equipment. This leads to reduced system efficiency. As a result, certain parts need to be replaced more frequently.

To reduce build-up solids, scale formation, certain cooling tower buyers prefer to use scale ban-" A non-chemical water treatment equipment which softens the hardness of water. It is highly used in water treatment plant. Companies like Composite Aqua Systems Equipment in India guarantees scale ban with zero maintenance, no pollution, no chemical use, Zero equipment deterioration and so on.

Besides companies also believe in the flush-out process. Here, water is flushed out and replaced with chemically treated water. However, this process lead to high water wastage and pollution as the treatment chemicals are released into the environment through the cooling water drift loss.

Therefore, full flow and side stream filters are two common filtration system used in cooling towers today.

The next post will reveal the definition of the above two types of filtration system. Till then, stay tuned.

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