What is a media filter?
Suspended particles in fluids are one of the six critical environmental pollutants, therefore, to reduce the adverse effects of pollutants, attention has been paid to control particles and their removal systems. Filtration is one of the oldest and most widely used methods of separating suspended substances.
The most important and common way to reduce these harmful substances is to use dust filters based on non-woven fabrics.
According to the specifications of the dust filter’s user environment as well as the desired efficiency, particle size, ambient temperature, air flow rate passing through the surface of the filters, and other important parameters, various types of media filters are produced from the non-woven layer of fibers, which is based on the fact that dust particles from Air molecules are bigger, they work. So when the polluted gas passes through the filters, the dust particles are separated and the clean gas passes through. Dust filters based on non-woven fabrics are designed to match the specific properties of the exhaust gas and the particles to be filtered.
Non-woven filters are made of fibers that are placed on a woven cover (scrim). Compared to woven fabrics, in which the fibers are systematically arranged in one or two directions, in the construction of non-woven filters, the fibers are randomly arranged in a winding three-dimensional space with a high contact surface. It creates a compact compartment for the transition phase.
As a result, a dispersed phase of the aerosol is created, and this uniform distribution of the flow and its division into separate and smaller flows maximizes the number of particles hitting the filter elements and creates better conditions for them to survive.
What is proposed as the advantage of non-woven fabrics is the capacity to hold dust without reducing its permeability (due to the high porosity coefficient) and greater permeability without losing the filtration efficiency.
Types of filter media
Negin Rose Sepahan Company produces filter media in the form of different media filter layers, including teflonized filter, antistatic filter, and blue band filter layer.
Filter media price
Different media filters, including teflonized filter, antistatic filter, and blue band filter layer, are provided by Negin Rose Sepahan company, which has different prices.
You can contact the following number to know the updated price of the teflonized filter, antistatic filter, and blue band filter layer and free consultation.
- High thermal resistance for use in environments exposed to heat
- Completely uniform surface
- Various widths according to customer needs
- Various thicknesses
- Has different subordinates based on customer request
- High tensile strength and wear resistance
Characteristics of Teflonized Filter Layer
- High chemical resistance
- Low friction
- The property of being non-sticky
- UV resistance
- Insensitivity to moisture
- High electrical resistance
- Impact resistance
Antistatic filter layer
- High porosity
- Good air permeability
- Moderate acid and alkali resistance
- Very good wear resistance
- Dimensional stability
- Easy dust removal
- long life
- Excellent electrostatic performance
Fibers used in the production of filter media
- Polyester (PES)
- Nylon (NY)
- Polypropylene (PP)
- Aramid
- Medacrylic (M_Acrylic)
- Graphite fibers
- Steel fibers (Metal fibers)
- Polyacrylonitrile (PAN)
- Anti-static fibers
- Polyimide (Ployimid fibers)
- PP
Additional operations and surface and depth modification in filter media
- Additional treatment to increase thermal power and resistance to flame and flammable particles in the environment
- Waterproof finish
- Anti-oil finish
- ompleting contaminated anti-dust to prevent the absorption of dirty dust (according to the type of particles in the environment)
- Reducing the amount of static electricity
- Thermal stabilization and increasing physical and mechanical resistance
- Surface finishing to reduce the effect of particle adhesion
- Calendering operation
- Impregnation with Teflon and other chemicals to improve chemical resistance and physical properties
Application of media filter
Separation of suspended solid particles in the environment of industries such as:
Cement, food industry (flour and pasta), plaster, mines, smelting of metals such as iron and steel, copper, aluminum, lead, and zinc.
Oil and petrochemical industries, chemical industries, tile and ceramic industries, asphalt.
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