Knitted Mesh Demister Filter Gas-Liquid Separation Device

What is demister mist eliminators?

Wire mesh demisters are commonly used in various industries, including oil and gas, chemical processing, and power generation, to remove liquid droplets from gas streams. They are also used in environmental applications, such as air pollution control, to remove liquid droplets from exhaust gases before they are released into the atmosphere

The effectiveness of wire mesh demisters depends on several factors, including the wire mesh type, wire diameter, pad thickness, and gas velocity. Higher gas velocities can increase the turbulence in the gas-liquid mixture, which can increase the likelihood of liquid droplets impinging on the wire surfaces. However, increased turbulence can also lead to increased pressure drop across the demister, which can reduce the overall efficiency of the process

Wire Mesh Demister Standard Specification:

Metal Wire Mesh Pad Demister Type and Applications

Working Theory of Wire Mesh Demister

A mist eliminator is a device usually used in vapor-liquid separator columns, which removes the liquid droplets entrained in a vapor stream. The mist eliminator may be mesh type, vane pack type or other structure intended to aggregate the tiny mist into droplets. So the droplets are heavy enough to be separated from the vapor stream.

The mist eliminator can reduce the residence time required to separate a given droplet size by reducing the volume and cost of separation equipment. The mist eliminators are often used where vapor quality is important in regard to entrained liquids, particularly where separator equipment costs are high (for example, high pressure systems), or where space or weight saved are valuable.

When the marine vessels process the brine by desalination, the brine is flash heated into vapor. In flashing, the vapor carries droplets of brine, that had better to be separated before condensing. Otherwise it will contaminate the vapor with salt. That is what the mist eliminator does. The pure vapor condenses on tubes in the desalination plant, and water is collected from the system.

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