Laminated mesh air filter media is an innovative filter material made of multiple layers of mesh materials, designed for high mechanical strength, high dust holding capacity and complex working conditions. It combines metal meshes and synthetic fiber meshes of different materials or different pore sizes through a lamination process to form a gradient filtration structure, which is widely used in industrial equipment protection, oil mist separation, coarse pre-filtration and other scenarios, and has the characteristics of high efficiency interception and durability.
Core functions and advantages
Multi-layer gradient interception
Using stainless steel wire mesh, polyester fiber mesh or nylon mesh, the density of each layer of mesh increases from coarse to fine, which can intercept large particle impurities (such as metal chips, dust) to medium particle size pollutants (such as oil mist, pollen) in turn, achieving graded filtration effect and significantly extending the life of the rear-end precision filter element.
The typical filtration accuracy range is 10-200μm, suitable for ISO Coarse or MERV 4-6 standard scenarios.
High mechanical strength and impact resistance
The metal mesh layer (such as 304/316 stainless steel) gives the medium excellent rigidity and deformation resistance, and can withstand high wind speed (such as 15-30m/s) or repeated impact of pulse cleaning system, avoiding tearing or collapse of filter material, and is suitable for harsh environments such as heavy industry and mining machinery.
High temperature resistance and chemical corrosion resistance
The stainless steel material can withstand temperatures above 400℃, and is resistant to acid, alkali and oil corrosion; the synthetic fiber layer (such as polyester) can work stably for a long time in a humid or oil mist environment after oil-proof and hydrophobic treatment.
Washable and reusable
The smooth metal mesh layer supports water washing, ultrasonic cleaning or compressed air backwashing, which can be recycled multiple times, reducing consumables costs and waste emissions, in line with the concept of sustainable production.
Low airflow resistance and energy saving
The open mesh structure intercepts pollutants while maintaining a very low initial pressure difference (usually <50Pa), reducing fan energy consumption, and is suitable for high air volume ventilation systems.
Typical application areas
Industrial manufacturing: machine tool oil mist recovery, welding fume pre-filtration, metal dust interception in stamping workshops.
Energy and heavy industry: gas turbine air intake coarse filtration, generator set protection, blocking insects, debris and other large particles.
Transportation: ship engine room, rail transit ventilation system, prevent salt spray and sand and gravel from invading equipment.
Food and pharmaceutical: primary filtration section intercepts fibers and packaging debris to meet sanitary environmental requirements.
Building HVAC: pre-filtration of commercial building fresh air system to protect surface coolers and high-efficiency filters.
Selection and maintenance recommendations
Key selection parameters:
Contaminant type: stainless steel mesh is preferred in metal dust environment; oil-proof coating synthetic fiber composite layer is recommended for oil mist scene.
Temperature and corrosion resistance: stainless steel material (such as 316L acid corrosion resistance) is required for high temperature conditions; polyester fiber + anti-corrosion coating can be selected for humid environment.
Air volume and pressure drop: Select the number of mesh layers (commonly 3-5 layers) and total thickness (1-5mm) according to the system air volume to balance filtration efficiency and energy consumption.
Maintenance optimization:
Regularly check the surface blockage. The metal mesh can be cleaned by soaking or mechanical vibration. Compressed air reverse blowing is recommended for the synthetic fiber layer.
The replacement cycle is usually 6-12 months (depending on the pollution load), and on-demand maintenance can be achieved with differential pressure monitoring.
Laminated mesh air filter media has become an ideal choice for the coarse and medium efficiency stages in industrial filtration systems due to its stable structure, easy maintenance and high cost-effectiveness, providing reliable guarantee for long-term operation of equipment and energy saving and consumption reduction.
