Air Compressor Oil Separator Element 6.2018.0 -- High-Efficiency Coalescing Separation for Screw Compressor Air Quality

Product at a Glance

This oil separator core, designated as model 6.2018.0, is a key consumable component within the aftertreatment system of oil-injected screw compressors and vane-type compressors. Installed inside the oil reservoir vessel, it continuously performs gas-liquid separation on the oil-air mixture discharged from the compression chamber. Its technical objective is to efficiently capture and coalesce entrained lubricating oil mist from the gas stream, converting it back into liquid form for return to the oil circulation circuit, while delivering purified compressed air to downstream end-use equipment.

Manufactured with industry-leading fiberglass composite filter media through precision winding and thermal curing processes, this product offers stable separation performance, minimal airflow obstruction, and excellent batch-to-batch consistency, making it suitable for replacement requirements across various compressor brands.

Basic Information

Technical Architecture and Operational Mechanism

Capture-Coalesce-Return Three-Stage Mechanism

Upon entering the outer circumference of the filter core, the oil-air mixture travels radially from outside to inside through multiple media layers, sequentially passing through functional zones with distinct roles:

Pre-Separation Zone: Utilizing the relatively large pores on the filter media surface layer, larger oil droplets within the airflow are initially intercepted through inertial impingement, reducing the liquid droplet impact load on the primary filtration region.

Coalescing Zone: The airflow carrying remaining fine oil mist then enters the high-density fiberglass woven layer, which offers an extensive specific surface area and complex tortuous flow paths. As oil aerosol particles traverse this zone, they repeatedly contact fiber surfaces and gradually wet and spread. Adjacent particles merge through liquid bridges, growing progressively until reaching a detachable size.

Oil Drainage and Flow Guiding: The coalesced and enlarged oil droplets migrate downward along the outer side of the filter layer under the combined influence of gravitational components and airflow drag forces, collecting in the oil accumulation chamber before being directed back to the compressor inlet piping through the return orifice. Meanwhile, purified gas exits upward through the center tube, proceeding to coolers and subsequent processing equipment.

Material Selection and Construction Features

Gradient Pore Media: The filter material exhibits a pore size distribution transitioning from looser to denser across its thickness direction, ensuring separation sharpness at the final outlet side without sacrificing dirt-holding capacity.

Metal Support Framework: The center tube and upper/lower end caps are stamped and formed from metallic sheet material with adequate rigidity, capable of withstanding instantaneous differential pressure fluctuations caused by startup impacts and sudden load changes.

Weather-Resistant Bonding System: The joint areas between end faces and filter layers utilize two-component epoxy structural adhesive, forming chemical bonds after high-temperature curing that remain intact under continuous oil-mist immersion and thermal aging conditions.

Practical Value Assessment

Improved Discharge Air Quality: By effectively removing liquid oil fractions from compressed air, contamination of downstream drying towers, activated carbon filters, and air-consuming equipment is prevented, safeguarding production processes.

Reduced Operating Expenditure: Recovered lubricating oil returns directly to the system for the next compression cycle, noticeably reducing external lubricant purchase frequency. Concurrently, maintained low airflow resistance contributes to lower specific power consumption per unit of compressed air produced.

Extended Ancillary Component Service Life: Clean compressed air entering downstream piping significantly reduces oil-induced wear on valves, cylinders, and seals, prolonging their maintenance and replacement intervals.

Strong Adaptability: Product outer contours and interface dimensions conform to prevailing industry standards, allowing users to complete replacement without modifying existing mounting bases or piping layouts.

Common Deployment Scenarios

Centralized air supply systems in automotive parts manufacturing facilities

Auxiliary air purification for plastic blow-molding equipment

Instrument air preparation for electronic component surface-mount production lines

Compressed air supply for emergency self-rescue systems beyond mine tunnel ventilation

Sterile compressed air treatment in bio-fermentation processes

Renewal Warning Indicators

When the following conditions emerge, it is advisable to arrange performance inspection or direct replacement of the filter core:

XINXIANG MENGMA FILTER CO.,LTD.

Contact: Joy
Phone /WhatsApp: +86 150 9033 8589
Email: joy@mmfilter.com

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