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Heat can be removed from parts and industrial machinery using water cooling. A cooling system’s task is to remove heat away from machinery or processes. Heat is transmitted from one media, or process fluid, to another medium.

Why do we need filtration in a cooling water system?

The temperature of the cooling water increases or even changes states as a result of heat transfer from process fluids or machinery.

The temperature has an impact on a number of the characteristics of water as well as the behavior of the contaminants it contains.

Water temperature also has an impact on a system’s propensity to corrode, scale, or foster microbiological development.

Many things are against cooling water. They operate alone at times. In other cases, they band together and make the issue worse. For instance, the formation of algae gives the ideal conditions for corrosion to flourish.

Why do we need filtration in a cooling water system

Scale

Calcium carbonate, calcium phosphate, magnesium silicate, silica, and other mineral compounds can all be found in scale and scale-like deposits.

On heat exchanger tubes, they accumulate and hinder heat transfer. If there are enough of them, they can stop the flow of water.

Reduced production efficiency and potential compromises to product quality result from decreased heat transmission.

Overheating may cause harm to equipment. Scale can result in costly downtime for cleaning or maintenance, which costs money. Scale and scale-like deposits can also quicken corrosion.

Fouling

The system can be contaminated by mud, sand, silt, clay, biological matter, oil, or even airborne particles like silt and clay. These suspended substances may build up and settle in the system, obstructing flow and decreasing effectiveness. Oil coating can promote the growth of microbes while reducing heat transfer.

Microbiological deposits

Heat transport is greatly constrained by biofilms. Inorganic and organic foulants are bound by slime masses, which also plug systems.

Heat exchanger tubes, water lines, tower spray nozzles, distribution pans, screens, and fill are severely clogged and fouled by algae and fungi. The growth of bacteria that cause corrosion as well as under-deposit corrosion is both influenced by microbiological fouling.

Foam

Foam can overrun the tower sump, blow off the towers, or even induce an airlock in the water pumps due to cascading water, the constant recycling of impurities, and a high concentration of foam stabilizers. The worst part is that foam concentrates deposit-forming elements, raising the possibility of system fouling.

What types of the cooling system need filtration?

Both closed cooling water systems and cooling towers need to use filtration.

Industrial Manufacture chemical

Cooling tower

Air and water entering cooling tower systems are continually contaminating these systems. In addition to gases from auto and plant exhaust, air also contains dust, dirt, vegetation, insects, and microorganisms like fungus, spores, and airborne germs.

Even vents in the kitchen and toilet produce deposits and suspended particles with time. Water entering these systems has the potential to create or contribute to suspended solids.

Potential deposits can result from a number of dissolved materials, including iron salts, hardness, scales, and microbiological organisms.

These buildups frequently prevent the water-contact cooling equipment from operating efficiently. Additionally, they may contribute to corrosion and house hazardous germs that are airborne, like Legionella.

The water systems in cooling towers have the ability to internally produce suspended particles like corrosion byproducts, scale, and microbial growths.

Additionally, the water treatment process may increase the amount of suspended solids, which might result in deposits of sludge and inhibitor-degradation products. The components of the cooling system may perform significantly worse as a result of these deposits.

Closed cooling water

Deposits and suspended solids are also common in closed cooling water systems. In contrast to cooling tower water systems, they do not have much makeup water and do not have any air entering that could cause suspended particulates.

However, any corrosion in these systems will result in corrosion byproducts like iron oxide that keep accumulating.

Microbiological growth can also result in the production of deposits and suspended particles, especially in closed systems that treat water using nitrite.

In closed cooling water systems, the removal of suspended solids is essential to avoid a reduction in cooling system operating efficiency, under deposit corrosion, premature pump seal failure and increased cleaning requirements. When deposits and suspended solids accumulate, further chemical water treatment is frequently required.

Conclusion

A cooling system is an essential part of industrial production, and it has a significant influence on productivity and efficiency. To maintain a smooth cooling system, filtration is a good way. The most downtime problem in cooling systems can be solved by the filtration system.

Brother Filtration is a professional filtration solutions provider. We design and manufacture various filter cartridges, filter bags, and filter housings for all industries and applications. Our depth filter cartridge series, depth pleated filter cartridge series, and high flow filter cartridges series are suitable for a cooling system.

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