Air filters prevent dirt, water and oil from getting into the air we breathe. They work by separating these impurities from the air using a physical barrier. This helps us get clean and healthy air.

They work in different places, use different tools, and have different amounts of stress. A ventilation air filter makes the air clean in places like outside, air conditioning, and factories. It works with regular air pressure. A compressed air filter is used for pressurized air in pipes. It can work with just a few or several hundred atmospheres.

Ventilation air filters can be put into different groups based on their typical qualities.

A coarse filter is used to catch big dirt and foreign objects that are 5μm or bigger. This helps to keep the clean area from getting dirty. This is a filter that is used first in the air supply system. It can catch particles that range in size from 20% to 80% efficiency, with 5 micrometers being the most effective.

A medium efficiency filter catches tiny specks of 1 to 10 microns. This is a filter that is mostly used for air conditioning systems. It can filter particles that are 1μm in size. It has an efficiency range of 20% to 70%.

High efficiency filters are filters that are good at catching tiny specks of dust that are between 1 and 5 micrometers in size. This is typically used at the end of a process to make things super clean. It works really well, with a high percentage of particles being removed (between 99% and 70%). It can filter out anything that is 1μm in size.

The sub-high efficiency filter is mostly used to catch tiny particles that are smaller than 1 micrometer. The filter should be really good at catching tiny particles (0.5μm). It should have an efficiency of at least 99.9% and up to 99.999%.

A high efficiency filter is a special kind of filter that is good at catching tiny, tiny particles that are smaller than half or one tenth of a micron. This means that something is really good at doing its job, with a success rate of at least 99.999%. It can also effectively filter particles that are either 0.3μm or 0.1μm in size.

There are four types of filters called A, B, C, and D that are very good at removing really small things from the air. They are used to clean the air in different ways depending on how clean it needs to be.

Air filters for ventilation are usually made from materials like fiber, glass fiber, mesh made from meltblown fiber and ePTFE film. This type of format is often made with a frame and is usually put outside. It also looks nice, is trustworthy, and easy on the eyes.


Things that describe compressed air filters:

The compressed air filter's main job is to clear out dirty stuff and water vapour from the air.

When air is compressed, its properties change in different ways such as temperature, pressure, density, and enthalpy. As pressure increases, volume decreases. Impurities like oil and water also become more concentrated in the compressed air. The air filter needs to be able to handle lots of heat, pressure, moisture, and force. The temperature might be really hot, higher than 80 degrees Celsius. The pressure could be very strong, like the weight of multiple Earths pushing down.

Compressed air filters are shaped like cylinders and work by using the inside and outside surfaces to control the flow of gas. They can use different methods to make the filtering process better. The design also takes into account how much pressure the filter can handle.

Different industries and processes use compressed air for different reasons. So, the cleanliness and quality of the compressed air needed is also different. The filter material used for compressed filter cartridges is rich in different things. Some examples are fiber, ceramic, filter paper, non-woven fabric, and sintered metal.

In the air filter, water and dirt will collect in the filter cartridge. A device is needed to remove the water, which can be done manually or automatically. There is a window to check the amount of water.

When air is compressed and trapped in a filter, a monitor is added to show when the filter is getting full and needs to be replaced. This monitor measures the pressure difference between the air going in and the air going out, which tells us how much the filter is clogged and how much longer it can be used.

To sum up, compressed air filters and regular air filters are used in different ways and have different structures and filter designs.

Lingyu Machinery - water removal high precision coalescing compressed air filter