Factors to Consider When Choosing an Oil Mist Collector

Oil mist collector equipment, also known as oil-mist separators or oil mist eliminators, are indispensable tools in many industrial processes including metalworking and CNC machining. They help to protect employees and the environment from harmful airborne particles, reduce maintenance costs and improve productivity. They can be mounted directly on the machine or in a hood. Choosing the right oil mist collector for your application is critical, as there are several factors that must be considered.

Depending on the size and power specifications of your machine, you will need to determine which type of oil mist collector is best for your process. Ideally, you should consider source capture, which is a method of collecting the mist at its point of origin before it can contaminate other areas. This is generally easier and more effective.

There are three common types of mist collectors: centrifugal, multi-stage media and electrostatic precipitators. Each has its own set of unique features that impact performance and efficiency. Whether you are looking for a centrifugal, multi-stage or electrostatic mist collector, look for the following important features when making your decision:

The first layer of filtration should be a stainless-steel woven mesh located in the interface between the machine equipment and the oil mist recovery collection system to prevent iron chips from disrupting or damaging the equipment. This is especially important for applications with high abrasion rates or long run times.

Next, the mist enters a washable pre-filter that removes the bulk of solid particulates and entrains bulk liquids. This filter is self draining and has a washing capability that helps to maintain a high level of performance.

In the second stage, the mist is further reduced by inertial impaction. This is where small dust particles and liquid droplets impact a deflecting surface—in this case, a special impeller that creates a cyclonic effect. These droplets are then forced against a cylinder wall where they coalesce and are captured.

Finally, the mist passes through a final stage where the collected droplets are drained into a tank and returned to the machine for reuse. This eliminates the need for costly waste disposal. If you are considering a centrifugal mist collector, look for one that has a low operating pressure (less than 10″ w.g) to minimize energy consumption.

It’s essential to choose the right oil mist collector for your application in order to ensure employee health and safety, maintain production efficiency, reduce maintenance costs and meet environmental regulations. Choosing the wrong equipment can result in a number of dangerous effects including eye and skin irritation, shortness of breath, coughing, nausea, vomiting and fatigue. If you’re unsure which equipment is right for your application, contact a Nederman sales representative to learn more about our mist and smoke collection solutions. They’ll be able to provide recommendations based on your needs and application. off line cooling system

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