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Industrial Coolant Filtration: an integral part of machinery maintenance

Industrial Coolant Filtration

Many industries require industrial coolant filtration as part of their everyday operations. Coolant is an integral part of maintaining the efficiency and health of machinery, however, when coolant becomes contaminated, it can do more harm than good.

As part of your operations, coolant becomes contaminated with solid matter, and no matter how fine the particles are, it can affect the coolant’s performance. By using state-of-the-art industrial coolant filtration techniques, solid matter can be easily removed, and the coolant then continues its role to help your machines run smoothly.

Why is industrial coolant filtration important?

Quite simply, you need to have the right industrial coolant filtration systems and media in place to reduce the risk of machining imperfections, tool damage and to machine damage to slides. Coolant is used to cool down the machined surface, maintaining tolerances and surface finish. However, any solid/ tramp oils in coolant can encourage bacteria to grow in the coolant, damaging pumps and blocking lines, which is why coolant filtration is crucial to maintaining machine efficiency.

Of course, one solution is to use coolant just once and then replace it when contamination occurs. This, however, is extremely costly and ultimately increases your operating expenses. If you don’t recycle and reuse your coolant, you’re essentially throwing money out the window. By using coolant filtration, you extend the life of the coolant and lower your costs.

Different types of filtration methods

There are several different ways to remove solid matter from liquids, and Interfil offers a range of solutions to suit all applications. From small workshops to large manufacturing plants and mining operations, there are various methods you may use.

Magnetic filtration

One of our most popular methods is known as magnetic coolant filtration. This is a preferred method as our magnetic filtration drums are engineered to be maintenance-free, and there are no ongoing consumables required. In that sense, it’s an extremely cost-effective solution. However, it will only remove ferrous particulate and not other contaminants such as grinding wheel grit or dust and grease.  For additional filtration, it is recommended to have a paper gravity filter or vacumatric filter.

During operation, dirty coolant is channelled past the magnetic field of the stainless steel drum. Ferrous solids are attracted to the field, hence they are easily removed from the coolant. The clean coolant then flows back into the process and is ready for reuse, while all the collected particles are automatically scraped into a bin.

Centrifuges

There are various centrifuges available, ranging from manual to automatic operation. Centrifuges are also extremely popular because gravity does most of the work. Dirty coolant flows into the rapidly spinning bowl, where solids are thrown to the inner peripheral wall of the bowl. Clean coolant flows through an outlet at the bottom, ready to be used again, while any solids collected are automatically or manually removed, depending on the type of centrifuge you select.

Vacumatic filter

When using a vacumatic filter bed, contaminated coolant is evenly distributed across the filter bed pool – a wire structure supporting your chosen industrial filtration media. An exhauster creates a vacuum in the chamber below the filter bed, drawing liquid through while solids are trapped by the filtration media, forming a filter cake that can be easily disposed of.

Looking for high-grade industrial coolant filtration?

Interfil designs, engineers and supplies a range of industrial coolant filtration products for all types of applications. Our experts consider all operational factors when recommending and providing systems for your business, including the types of solid matter to be separated and the flow rate. This helps us determine the best systems and filtration media for your needs. For the best products and the right advice, contact the team at Interfil today.

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