MECS® Brink® mist eliminators for compressed gas offer highly effective cleaning of process air and gas, and protect your equipment from the damage caused by the oil and water contained in compressed air and gas. Standard MECS® Brink® Compressed Gas Filters (CGF) are 99.5% effective in removing the smallest liquid contaminant particles and other models offer +99.95% removal efficiency.
Submicron oil and water particles are present in gas streams following industrial compressors. These mist particles are formed by evaporation and condensation due to the heat of compression and from lubricant blow-by, if lubricated compressors are used. The water can accumulate in air lines and freeze in cold weather. Both water and oil can damage downstream instruments, tools, airveying membranes, cause mechanical fouling, glycol foaming and contaminate final product. If a desiccant dryer is used, the oil and water particles will overload and reduce the life of the desiccant.
The Brink® Compressed Gas Filter (CGF) utilizes a combination of low operating velocities, deep beds, and Brownian diffusion as the predominant collecting mechanism to achieve high efficiency with very long operating life and low pressure drops. With the standard CGF, 99.5% of the submicron mists are removed (models are available to achieve 99.95+% removal). In typical compressed air service, the CGF operates 10-15 years, which is much longer than replaceable coalescing filters. Pressure drop is typically less than 0.5 PSIG which provides appreciable operating power savings over coalescing filters. The CGF can also tolerate high inlet loadings caused by temporary upsets or surges.
The Brink® compressed gas filter consists of special glass fibers packed between screens or perforated plates. As the compressed air or gas containing oil and water particles passes through the fiber bed filter, the particles collect on the fibers by impaction and Brownian diffusion. These particles agglomerate and form into liquid films which are moved to the outside surface of the filter by gas drag. Gravity moves the collected liquid down the filter and into the sump where it is drained off by a liquid trap or timed solenoids.
NOTE: While the CGF will provide reliable and very high efficiency collection of the smallest liquid particles, no filter will collect oil or water that remains as a gas due to vapor pressure. In some situations, removal of gases, oil or water by desiccant dryers or carbon absorption will be necessary.
For larger flows outside the range of the standard CGF-01 through 12 or where height limitations in retrofit installations exist, custom, multiple CGF element vessels can be designed. In many cases, customers group several compressors together with a common CGF system, resulting in capital cost savings. This approach also allows for greater operational flexibility without affecting the efficiency of the CGF system.
We have extensive experience in a full range of aerosol mists, be it mineral oil spray or submicron sulfuric acid mist. To complement this, MECS® mechanical engineers and designers are specialists in corrosion resistant materials of construction such as ZeCor® and high reliability, heavy duty vessel and CGF fabrication techniques.
The MECS® Brink® compressed gas filter will provide reliable and very high collection efficiency of the smallest liquid particles. The Brink® compressed gas filter, in typical compressed air service, operates 10-15 years, which is much longer than replaceable coalescing filters.
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