The Facts Regarding Rotary Screw Compressors

The Facts Regarding Rotary Screw Compressors

A rotary screw, the most popular air compressor option, is available in a wide range of industrial marketplaces. Such compressors provide an unending supply of compressed air to help with precision tasks, and they are exceptionally quiet and efficient as they work. Screw compressors offer the most reliable and advanced technologies available in the industry, and they also offer a significantly reduced level of energy consumption.

Furthermore, the machines are built to run throughout an entire day, seven days a week, and for years on end. Because the machines are reliable and efficient, you can enjoy many years of constant work without the fear of losing your investment or having to invest more.

Types

Rotary screw compressors come in a number of different types, with classifications varying based on the cooling method, stages, drive type, and more. The most commonly used type is the single-stage, oil-injected rotary screw compressor. Oil-lubricated compressors directly inject oil into the compression chamber to help with a wide range of uses, which is a big distinction from its counterparts.

Oil-free compressors also exist, allowing you to utilise them for a number of highly specific applications that may become contaminated if any amount of oil saturated the air. With such a delicate project or process to conduct, you cannot afford to take risks that can delay your project for months and cause thousands in damage. Oil-injected models are the most common option by far, and you should consider them first unless you need to avoid oil contamination.

Compression

You can look inside the chamber and find the most important strength behind these incredible compressors — two counter-rotating screws. Outside air is pulled through a filter to catch any potentially dangerous contaminants and debris which may lead to damage. After filtering, the air must then travel through an inlet valve and into the area between the interlocking screws.

As rotors run, the air should move along and travel to the other side of the compression chamber. Along the way, the air is contained in a narrowing space, thus increasing the pressure. The whole process is completed in one continuous action, producing minimal surging or pulsing, which often occurs with piston compressors. The result is a large-volume and reliable stream of compressed air.

Oil-Injected

Because oil-injected compressors are the most common options, you should learn more about them rather than other types. The oil has five key uses, such as cleaning, cooling, lubrication, sealing, and protection. Therefore, everything produced by the machine is a compressed mixture of oil and air. The mixture then flows into a separator tank and the two elements are separated, as the name obviously suggests.

Primarily, the mechanical separation of the two is completed with a strong filter and collected oil is often removed with a dramatic change in direction and speed or centrifugal force. Whether you use one or the other, you should notice a smooth transition from start to finish, which provides years of reliability, durability, and lowered costs.

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