Filter Discs Factory

description about Filter discs

Filter discs are made of stainless steel and come in mesh filters, fiber filters, powder filters, and more.

Mesh and fiber filter trays are available in pleated and flat versions to meet specific application requirements. Metal mesh filter trays are designed and manufactured to provide filtration protection for liquid and gas flow systems. These cost-effective mesh filter trays significantly increase the filtration area of similar installations. Both designs can be with or without sealing rings, a wide range of filtration grades, can be adapted to various operating conditions.

A wide range of metal powder filter pans, ranging in diameter from 0.5 mm (0.02 in) to 203 mm (8 in) +, also feature a wide range of thicknesses. Powder metallurgy technology is used to produce porous discs with interconnected porosity and density ranges of 35 to 75 percent. Porous sintered metal discs are available in 15 different standard micron grades, with pore sizes ranging from 0.003 to 200 microns. 

ProductS of types

woven mesh filter discs

Wire Mesh Filter Discs

Wire mesh filter discs are calculated arrays of individual metal wires that are welded together to form pore openings with precise dimensions. Specifications of mesh count, wire diameter

weave pattern, layer structure and alloy can all be customized. Weaving type can provide plain, twill or plain and twill Dutch, sintered filter. We also supply welded multilayer filter for rubber industry, plastic industry, petroleum industry and grain sieve.

Wire mesh filter discs can be moulded and formed without compromising mesh integrity. This enables it to provide ideal filtration for various industries. One of the most significant advantages of wire mesh filter discs over most filter media in use today is their ability to provide adequate flow rates. This is achievable because the wire diameter and mesh can be tailored to your requirements to perfectly match the contaminants you are filtering, enabling wire mesh filter discs to provide you with a larger filtration area.

The materials we use help create a wire mesh filter discs that can withstand a variety of impurities, pressure changes and extreme temperatures without compromising filter accuracy. Among them, stainless steel material is the most popular. Stainless steel is a very flexible material, allowing the filter to adapt to your filtration system and retain its shape after multiple uses.

The machines used to construct the weaving process of the mesh filter are closely monitored, so the pore size of the filter is precise and uniform throughout the filter. These precise pores ensure that the final product, whether filter substance or filter cake, is consistent and meets industry standards. Wire mesh filter discs are mainly used in absorption, evaporation and filtration processes in the mining, chemical, food and pharmaceutical industries, as well as in the petroleum, chemical, pharmaceutical, machinery, marine and automotive industries.

sintered filter discs

Sintered Filter Discs

Sintered filter discs are made of sintered metal mesh by laser cutting. Sintering is a process of melting and bonding at all contact points of woven wire mesh under high temperature and vacuum.

Sintered filter discs are designed and manufactured to provide filtration protection in liquid and gas flow systems. It helps to screen or separate substances.

You can remove impurities or contaminants from solids or liquids. The sintering keeps the uniformity of the original weaving, and fixes the aperture, shape and micron level of the mesh. Sintered filter discs have different shapes, materials, weaving processes, filtering accuracy and edge materials.

 The sintered filter element has excellent heat resistance, corrosion resistance, acid resistance, alkali resistance and wear resistance. It has high rigidity, good stability and long service life. Our company has a variety of sintered element filter disc levels for you to choose from. It has high filtering accuracy for any application. Single filter disc is widely used in filtration system because it has high function in separating fine particles.

Due to the effective use of materials and technology, these filter discs are very strong and easy to install. We can provide customized services. In addition, it has good pollutant capacity, easy to clean and reuse, reduces downtime, and has a long service life.

It can be used in metallurgical industry, petrochemical industry, food and beverage industry, plastic industry, aviation industry, pharmaceutical industry, environmental field and automobile industry. Singered filter discs can be single-layer or multi-layer.

 According to the number of layers, it has high strength and stiffness. In various industrial applications, sintered filter discs can be processed into different shapes, such as round, round, square, oval or fan. According to customer requirements, an outer ring can be added to a single filter. Sintered filter disc is widely used in many industries, playing the role of gas-liquid separation, oil and fuel oil filtration.

Leaf disc filters

Leaf Disc Filter

Leaf disc filters are used as filters or screen elements in most different applications. Typical fields of application include filtration of extruded polymers and use as elements in solid, liquid or air filtration applications.

We use die-cutting technology to produce large quantities of leaf filters and individual filters, and our laser systems specialize in the production of wire mesh. In general, all meshes can be used to make blisk filters, from the finest twill dutch weave to highly rigid square meshes.

The number of layers and meshes of the network depends on different usage conditions and purposes. It is designed and manufactured to provide filtration protection for liquid and gas flow systems. These cost-effective mesh filter discs greatly increase the filter area.

The leaf disc filter is made into a single-layer or multi-layer disc through a special process. In the case of multi-layer discs, the individual layers can be bonded to each other using a sheet metal frame or spot welding. Cleaning the leaf filter is an important step. Leaf disc filters are made from degreased and cleaned screens. In the case of frame or spot-welded leaf filters, all contamination is removed in the final cleaning stage.

Leaf disc and solid sheet filters are designed for critical hot melt polymer filtration applications such as PET packaging film, PEEK chips and film manufacturing. Their purpose is to achieve better gel control by providing smoother flow, thereby increasing gel retention on the filter.Leaf disc filters offer the latest design features to ensure low pressure drop for extended operating life. Rugged construction allows for multiple cleaning cycles, reducing overall life-cycle costs.

It is widely used in sewage treatment, chemical industry, pharmacy, metallurgy, air conditioning components, water treatment, filtration of corrosive gases and liquids, automobiles and other industries.

Pleated Filter Disc

Pleated Filter Disc

The pleated filter disc is made of multiple layers of precision woven wire cloth and non-woven fiber metal felt, precision stamped and machined to the highest quality. Both rimmed and unrimmed. The frilled filter disc provides a tight seal. This media is pleated, providing a much larger filtration surface area than flat screens.

The pleated filter disc is a compact, lightweight element that provides reliable, economical filtration protection in various critical areas of the system to remove contaminants that could clog or damage control components. Pleated filter disc is mainly made of stainless steel wire mesh or other alloy mesh, forming a solid single-layer or multi-layer structure. You can also customize pleated filter discs of various diameters and types to suit your application needs.

Precision filtration equipment, restrictors, filters, fuel filters and other products are manufactured according to the needs of the process and designed for the highest level of efficiency. Teflon rings combine innovative engineering with superior materials to create products that adapt to process needs and deliver the highest levels of performance. The Teflon ring conforms to the disc flange under pressure, creating a positive microscopic seal. This makes it easy to install, allows the project to meet the needs of many different applications, and provides a tight seal to the filter pan.

The pleated filter disc has the characteristics of large filtration area and good hardness, and the pleated extruder screen can be used in the extruder and filtration industry for a long time. The purity of the material is guaranteed even at high temperatures or pressures. Pleated filter discs are manufactured to meet the needs of aerospace, commercial and industrial applications. The pleated filter is mainly used for filtering the melt in the production of plastic particles, high-molecular polymers, long fibers, short fibers and films, as well as medicines, hydraulic oil, water treatment, hot air, etc.

Solenoid Valve Filter Disc

Solenoid Valve Filter Disc

Due to the special structure of the solenoid valve, the cleanliness of the medium is required to be high. In order to prevent impurities from entering the solenoid valve, the solenoid valve filter disc has a great effect. The standard of the filter is usually calculated by the number of meshes. 

Deze is a solenoid valve filter disc supplier, which can provide solenoid valve filters of various materials and sizes, and can also be customized according to customer requirements. We choose high-quality metal materials as raw materials and combine them with strict technology to provide customers with high-quality products. Perfect products cannot be separated from strict control of each step. Every step from material selection to process is carried out in strict accordance with production standards.

round mesh filter

Porous Filter Discs

Porous filter discs are used to remove impurities and various particles in liquid and gas. Porous filter discs are made into multiple layers by welding, sintering or stamping process. 

Our powerful mechanical equipment enables us to provide small and large quantities of products at low prices. We can provide disc filters of various alloys and diameters, which can be processed into round, oval, round, hat, waist and other shapes.

Porous filter discs can be customized for various applications and specifications. It provides a series of high-quality woven wire cloth products and sintered metal porous metal laminates. The CD can be packaged in various metal and nonmetal hardware options, giving you a complete assembly. Variables such as diameter, thickness, alloy and medium grade can be changed to meet various filtration, flow rate and chemical compatibility challenges of your product or process. We are committed to determining the best material solutions for metal porous filter discs in various industries.

Porous filter discs are made of single-layer or multi-layer metal mesh. The number of layers and mesh of metal mesh is determined by different conditions and purposes. High concentricity, high withstand voltage, no burr and long service life. Porous filter discs are designed and manufactured to provide filtration protection in liquid and gas flow systems. These cost-effective mesh filter discs greatly increase the filtering area.

Porous filter discs helps to screen or separate one substance from another, and remove unwanted impurities and pollutants from solid or liquid. It is cut from the metal mesh coil, welded, sintered or stamped into multiple layers. Widely used in precision filtration in petroleum, chemical, pharmaceutical and other industries.

Porous filter discs reasonably matches the pore diameter, permeability and strength characteristics of the designed materials to meet the needs of different industries. Widely used in sewage treatment, chemical industry, pharmacy, metallurgy, air conditioning components, filtration of corrosive gases and liquids, automobiles and other industries.

CUSTOM YOUR OWN PRODUCTS

Our company provides a kind of metal alloy to solve the problem of providing products with excellent

performance in high temperature and high corrosive environment. Our products are very strong

and welded or sintered. Length, diameter, thickness, alloy, medium grade and other specifications

can be adjusted during the production process, so that the product is suitable for a variety of

filtration, flow and chemical compatibility in different customer processes.

ProductS BY Material

metal filter disc

Metal Filter Disc

Metal filter disc is made of single or multi-layer metal mesh. The number of layers and mesh of metal mesh are determined by different service conditions and purposes.

Metal filter discs are designed and manufactured to provide filtration protection in liquid and gas flow systems. These cost-effective mesh filter discs significantly increase the filter area.

Metal filter discs help to screen or separate one substance from another, removing unwanted impurities and contaminants from solids or liquids. Metal filter discs are cut from wire mesh rolls and welded, sintered or stamped into multiple layers. It is idely used in precision filtration in petroleum, chemical, pharmaceutical and other industries.

Metal filter discs are available in various alloys and diameters of wire mesh filter discs, which can be processed into various forms such as round, cylindrical, conical and corrugated. Metal filter discs can be used as inline filters, internal pipes, tubes and various other filtration applications.

Metal filter discs come in a variety of diameters and can be cut to sizeable sizes using other cutting methods. We can provide wire mesh filter discs in various weaving methods, including plain weave, twill weave and dutch weave, which can effectively separate and sort solid particles. It can also be used for filtration of fluids and vacuums, and pressure filtration of gases and liquids.

Stainless Steel Disc Filter

Stainless Steel Disc Filter

Stainless steel disc filter has various alloys and diameters, and can be processed into rectangle, square, round and other shapes. 

In the manufacturing process, high-quality stainless steel wire is first selected. Secondly, the stainless steel wire is woven or punched. Then, according to the special requirements of customers, we will choose different materials for packaging.

Stainless steel filter tray helps to screen or separate one substance from another, and remove unwanted impurities and pollutants from solid or liquid. Stainless steel disc filter is cut from stainless steel mesh and welded, sintered or stamped into multiple layers. It is suitable for precise filtration in petroleum, chemical and pharmaceutical industries.

Stainless steel disc filter has high concentricity, high pressure resistance, no burr and long service life. It not only overcomes the disadvantages of ordinary wire mesh, such as low strength, poor rigidity and unstable mesh shape, but also can reasonably match and design the aperture, permeability and strength characteristics of materials to meet the needs of different industries. Stainless steel filter discs are widely used in air conditioning components, corrosive gas and liquid filtration, sewage treatment, chemical industry, pharmacy, metallurgy, automobile and other industries.

brass mesh filter disc

Brass Mesh Filter Disc

Brass mesh filter disc is made of 60-70% copper plus 30-40% zinc. Brass mesh is an alloy of copper and zinc. Compared with copper mesh

brass mesh has better wear resistance, corrosion resistance and lower conductivity. Our brass mesh filter disc adopts advanced technology, which can filter impurities and interference. The mesh is uniform, wear-resistant, corrosion-resistant, ductile and durable.

Brass mesh filter disc can make the air flow fully, prevent harmful dust from entering, and protect your respiratory tract from harmful substances and burning ashes. It has better economic benefits. Brass wire mesh is soft and flexible. You can cut it into different shapes or sizes according to different uses. Our company can produce brass mesh filter disc with various shapes, structures, particle sizes and pore diameters according to user requirements.

Brass mesh filter disc is a component of a filter device, which has the characteristics of high temperature resistance, pressure resistance, permeability stability, etc. Strict process makes the pores and distribution of brass mesh filter disc uniform. Brass mesh filter disc can provide excellent air permeability and high porosity. It is suitable for gas filtration in air conditioners, liquid filtration in oil fields, electromagnetic wave shielding in machine rooms and anti-static in construction sites.

Brass mesh filter disc is widely used to screen various particles, powders, porcelain clay and glass, ceramic printing, and filter liquids and gases.

Titanium Wire Mesh Filter Disc

Titanium Mesh Filter Disc

The titanium wire mesh filter disc has excellent corrosion resistance, low density and high specific strength. The titanium wire mesh filter disc is mainly used for screening and filtration under acidic and alkaline environmental conditions, or for gas, liquid filtration and other media separation.

In the environment of corrosion-resistant medium, the high-purity titanium mesh forms a dense, strong adhesion and inert oxide film on the surface, which produces a passivation phenomenon and protects the titanium mesh substrate from corrosion, thereby resisting strong corrosion. Especially in the following environments, such as: sea water, wet chlorine, chlorite and hypochlorite solutions, nitric acid, metal chromium chloride and organic salts, etc.

Titanium wire mesh replaces traditional applicable materials with excellent corrosion resistance, such as nickel-free stainless steel mesh, aluminum mesh and other metal materials. Pure titanium mesh has long service life, safe and reliable titanium wire mesh filter disc can be used in high temperature filter, shipbuilding, military manufacturing, precision chemical filter, electrode mesh, titanium battery collector mesh, electromagnetic shielding mesh, seawater desalination filter and other industries .

The titanium wire mesh filter disc plays an important filtering role in chemical, mechanical and seawater desalination. titanium wire mesh filter disc is used in chemical, mechanical, seawater desalination, petroleum, pharmaceutical, food processing filtration, skull repair and reconstruction, electromagnetic shielding, speaker diaphragm, etc.

Aluminum Metal Filter Disc

Aluminum Metal Filter Disc

Aluminium filter plates are widely used for filtering air, grease and dust in residential, commercial kitchens and air conditioners as they are washable, durable and cost-effective. The metal air filter is made of a multi-layer corrugated or pleated Mesh and is protected and supported by an expansion mesh or perforated Mesh and a frame. 

Our company provides not only square or rectangular typical aluminum air/grease filters, but also domed, round and u-shaped air/grease filters. Custom Aluminum Mesh filters are available on demand.

Techniques

Disc filter installation

Filter Discs

When installing disc filter, first make sure the pipe is connected correctly to avoid leaks or seeps, and then make sure the flow direction is correct to avoid unnecessary damage.

It should also be ensured that the inner diameter of the pipeline is appropriate to the diameter of the filter to ensure that the filter can be securely installed and can avoid oil leakage or damage during work.

When installing, you should also ensure that the pressure of the spring is appropriate so that the filter can not work properly. It is necessary to check whether the filter element needs to be replaced. After installation, the operation test is carried out to ensure that the filter can work normally. Pressure monitoring: Install the pressure gauge and monitor pressure changes regularly to ensure that the filter is working properly.

Finally, the filter needs to be cleaned regularly to ensure the efficiency of the filter and quality checks to ensure that the filter meets the quality requirements.

Disc filter vs screen filter

disc filter vs screen filter

Disc filter is made of stainless steel braided mesh, galvanized mesh, sintered mesh, brass mesh cloth, etc, because of its corrosion resistance and mechanical strength, it is mainly used to remove unnecessary impurities, gases or solids in the fluid.

disc filter come in different materials, sizes, and customized designs to meet your different filtering requirements. The discs find their use in absorption, evaporation and filtration processes in industries such as petroleum, chemical, metallurgy, food and beverage, pharmaceutical, automotive.

Made of stainless steel mesh, the screen filter is a device that uses rigid or flexible screens to separate sand and other fine particles from water, primarily for irrigation or industrial applications. But using these to filter organic matter such as algae is generally not recommended because there can be a large pressure drop on the surface of the filter, and these types of contaminants can be squeezed through the filter into spaghetti strings.

Disc filter VS mesh filter

disc filter VS mesh filter

Disc filter is a mechanical self-cleaning filter that provides a large filtering area in a small physical space. During operation, the water to be treated flows from the central drum to the filter section under the action of gravity. Solids are attached to the inside of the filter plates mounted on either side of the disc segment.

mesh filter is a device made of interwoven wire strands. Made of stainless steel, brass or other metals, the mesh filter is durable and reliable. It can be used in a variety of operating conditions, can be cleaned and maintained, and can be reused without replacement to separate, screen or filter various materials. Mesh sizes can be customized to suit specific filtering applications.

Screen filters are commonly used in a variety of industries and applications, including air and fluid filtration, chemical processing, food and beverage processing, and oil and gas production. They are commonly used to remove contaminants or impurities from liquids or gases, or to separate larger particles from smaller ones.

Filter disc use

filter discs use

When using filter discs, physical filtering through the discs involves keeping the suspended solids in the water in channels formed by an overlapping set of disc filters, which are installed in a highly secure structure.

Disk filters have a number of disc-shaped components fixed to a central core. The filter medium covers the surface of the disc, and the laminated filter is hollow. They consist of a series of single discs, perforated on both sides, which are stacked on perforated inner tubes with intermediate spacer washers to form a flow space between each pair of discs.

The fluid flows between the filter trays and then through the trays into the inner tube. The complete disc filter assembly is clamped together within the outer cylindrical filter to prevent larger particles from entering the space between the discs.

It can be used to filter surface water and water containing organic pollutants, including surface irrigation, drip irrigation and sprinkler irrigation.

Production technology of filter discs

Production technology of filter discs

Processes used in filter discs include sintering, weaving, and perforating, and they are made of excellent metals for their excellent corrosion resistance and durability.

A wide range of sintered metal powder filter discs, ranging in diameter from 0.5 mm (0.02 in) to 203 mm (8 in) +, with a wide range of thicknesses. Powder metallurgy technology is used to produce porous discs with interconnected porosity and density ranges of 35 to 75 percent.

Mesh is available in both pleated and flat versions to meet specific application requirements. Metal mesh trays are designed and manufactured to protect liquid and gas flow systems and to increase the filtration area because of the cost-effective mesh trays.

Perforated perforated filters are made of stainless steel, aluminum, mild steel, copper, or brass. Not only can different pass forms be provided. We can also provide screen filter trays of different sizes according to your filter material, space limitations or flow requirements.

Filter discs pressure drop

filter discs pressure drop

Filter discs are made in metal alloys or stainless steel for excellent corrosion resistance, high mechanical strength, and operating temperatures up to 1000°C, providing a positive barrier to downstream processes.

filter discs show high dust removal efficiency, reliable filtration performance, effective backwash, and long service life. Using surface or depth media, these filters offer particle capture efficiencies of 99.9% or more.

However, the lifetime of the filter medium (the working life of the filter) will depend on its particle retention capacity and the corresponding pressure drop. If not cleaned regularly, it may cause the filter to become clogged, thus increasing the pressure drop.

This accumulated disc can be periodically removed using a backblow cycle. The effectiveness of the backblow cycle and filter pressure drop recovery is a key function of the characteristics of accumulated particles in the cake and filter media.

Materials of filter discs

materials of filter discs

The main materials used in filter discs are generally made from highly efficient filter materials such as stainless steel mesh, sintered felt, honeycomb core, and sintered mesh. With strong wear resistance and good rigidity, it is not easy to deform in the process of use, and easy to clean.

Sintered mesh is made of sintered mesh through cutting machine high precision welding, superior to the use of a large number of high precision welding process, especially in the round processing of the joint welding, fully ensure the roundness and by modifying the weld to make its appearance more beautiful. In addition, it also has strong plasticity, good filtration precision machine corrosion resistance.

Stainless steel mesh using stainless steel wire for plain weave weaving, twill weaving, Dutch weaving and other methods of weaving. It is highly permeable. And also has strong chemical compatibility, can be used to filter acid alkaline organic solvents.

Applications of filter discs

applications of filter discs

Filter discs offer many advantages over traditional filtering components. It has high strength and high precision uniform opening and a variety of size specifications. Filtration rates from 2 microns to 300 microns can be achieved with 99.9% efficiency.

The sintered metal filter plate has remarkable filtration characteristics. The micron rating of the filter disk was tested at our in-house test facility to provide a confirmed filtration rating.

Therefore, our sintered filter plate is mainly used for vacuum filtration or medium and high pressure air flow. We produce sintered disc sets of different sizes and openings, which can be widely used in pharmaceutical, petrochemical, food storage, processing and other industries.

Detailed used in rubber, plastics, petroleum, chemical, light industry, medicine, machinery, shipbuilding and other industries of distillation, absorption, evaporation and filtration process. With simple installation, high cost performance.

Filter discs design

filter discs design

When designing filter discs, we offer a wide range of wire mesh products in a variety of shapes, sizes, thicknesses, weave types, and materials. You can choose multifunctional stainless steel or other mesh metals, such as bronze, aluminum, copper, brass, etc. All wire mesh products are very durable and can be cleaned and reused, so they have a long service life.

The material used is stainless steel woven mesh, galvanized wire mesh, sintered mesh, brass wire cloth, etc., woven mesh, sintered mesh is made of stainless steel, so it has excellent corrosion resistance and great mechanical strength, mainly used to remove unnecessary impurities in fluid, gas or solid.

Used in petroleum, chemical, metallurgy, food and beverage, medicine, automobile and other industries of absorption, evaporation, filtration process.

Filter discs size

filter discs size

Filter discs are made of multi-layer stainless steel sintered mesh and welded to flanges into circular discs. They have the advantages of good steel, high strength, long replacement cycle, easy cleaning and simple assembly.

The maximum pore size ranges from 40 to 100μm and is often used for preparation and mercury filtration because they remove bacteria from the liquid that will decompose if heated, so 16 to 40μm filters are used for moderate sediment analysis and 10 to 16μm filters are used for fine precipitates. The 1.0~1.6μm filter plate is used for ultrafine filtration of biological solution.

Typically, mesh sizes will range from 40 microns to 600 microns, filtering accuracy from 1 to 300μm, and diameters from 100 to 3000mm. In this case, 40 is the thickest and 600 is the best. Filter trays have small units of different sizes from ¾ as the smallest inlet and outlet. The size will also vary depending on the application.

Filter discs
Play Video about Filter discs

FAQ

Most frequent questions and answers

Screen filter and disc filter are made of stainless steel, with excellent corrosion resistance, acid and alkaline resistance, and with accurate filtration accuracy.

 

In the screen filter, particles are trapped on the surface of the screen filter. The disc filter, on the other hand, has many grooved discs pressed together, and the particles are retained in the grooves of the disc. screen filters and disc filters are simple, economical, and easy to manage.

 

When suspended particles are trapped by the filter, the filtration rate is reduced because the filter becomes clogged and must be cleaned to restore operating conditions.

 

Most filters are cleaned using an automatic backwash based on the filter’s fixed head loss or running time. Both options make it easy to automate the system. Automatic backwashing of the filter may require the minimum flushing pressure that the pumping system must provide.

Disc filter is used to filter high viscosity melts. The chip design enables the maximum effective filtration area per cubic meter, the efficient utilization of space and the miniaturization of filtration device.

 

Filter material is stainless steel felt or multilayer stainless steel sintered mesh. Features: filter element compression uniform; Stable filtration performance; Can be repeatedly cleaned, long service life.

 

Melt filter is divided into stainless steel sintered felt and stainless steel sintered net two kinds; According to the structure, it can be divided into center ring wrapped edge type and center ring welded type.

 

In the above types, the greatest advantage of stainless steel sintered screen filter material is high strength, impact resistance, but low contaminant capacity. The advantages of sintered felt are large contaminant capacity, strong service cycle and good air permeability.

Disc filter is a flat package processed from 304, 304L or 316 stainless steel mesh cloth with excellent acid and corrosion resistance.

 

304 stainless steel is a common material in stainless steel, the density of 7.93g /cm³, also known as 18/8 stainless steel, meaning containing more than 18% chromium and more than 8% nickel, can withstand high temperature, up to 800℃, has good processing performance, high toughness, widely used in industrial and furniture decoration industry and food and medical industry. But it needs to be noted that food grade 304 stainless steel compared with ordinary 304 stainless steel, its content index is more strict.

 

304L is a variant of the lower carbon 304 stainless steel for use in welding situations. The lower carbon content minimizes the carbide precipitation in the heat-affected zone near the weld, which may lead to intergranular corrosion (welding erosion) of stainless steel in some environments.

Disc filter structure makes it suitable for handling a variety of liquids. However, these filters are most widely used in water treatment because of their ability to handle high flow rates.

 

Disk and drum filters are press-free precoated filters in which solids are retained by a patented strainer structural element. The filter element consists of a fabric filter and is carried out in rinse mode by self-cleaning inverse principle. The slowly rotating filter element avoids particle separation during filtration, thereby significantly increasing solids retention and discharge.

 

Micro sieving (from 10 to 150 µm selectivity) has been demonstrated 10,000 times worldwide and has been used for example rainwater and process water, final wastewater, membrane pretreatment/treatment. Disk filters have a filter surface two to three times larger than drum filters, while space requirements remain the same.

Filter discs are similar to screen filters in that they provide the same positive two-dimensional filtering surface. For disk filters, however, you can gain an additional dimension of depth filtering through a cartridge composed of stacked disks.

 

Each disc has a hole in the middle, forming a cylinder in the middle of their stack. The surface of the disk has grooves. During the filtration process, the fluid surrounds the stacked filter trays. It then flows through a channel with grooves into the central cylinder and out of the device.

 

The filtration quality depends on the size and number of particles that the filter element can hold. The higher the filtration level, the cleaner the water. In most cases, the level of filtering that the disk can provide is indicated using a color code. The usual range is between 25 microns (fine) and 400 microns (coarse).

 

Some disk filters, usually smaller, need to be cleaned manually. It is common for larger disks to recoil by separating and rotating the disks. This results in a self-cleaning feature.

 

When cleaning the disc filter, if scum, mucus, or carbonate deposits cannot be satisfactorily removed with a high-pressure hose, the disc may need to be cleaned with chemicals (chlorine or acid). (In the case of clean flow, the differential pressure should be less than 4.5psi.) Usually this type of treatment should not be performed more than 2 or 3 times a quarter.

 

If chemicals are to be used, use caution at all times and wear gloves, goggles, long pants, and a long-sleeved blouse. Make sure you have fresh, clean water nearby.

 

Remove the filter plate and thread some polyethylene tubing through the center of the disc. Tie a knot in an 8mm tube and prepare it for immersion in the chemical mixture.

 

The most commonly used is chlorine bleach (sodium hypochlorite), and the same principle applies to acids. Dilution rates of 1:5 to 1:10 (bleach: water), acid, and chlorine are all available from pool stores and most large hardware stores. 

In the selection of filter discs, it is necessary to consider from the filter medium’s ability to trap solid particles, permeability, cleaning and regeneration performance, chemical stability and other aspects.

 

  1. The trapping capacity of the filter medium for solid particles

The so-called trapping capacity is the minimum particle size that can be trapped, and the trapping capacity depends on the pore size and distribution of the medium itself.

 

  1. Permeability

The resistance of filtrate flow affects the permeability of filter disc. The permeability is related to the porosity of filter disc itself.

 

  1. Cleaning and regeneration performance

In the filtration process, there are always a small amount of filter slag particles blocked in the pores of the medium. It is necessary to wash and purge the particles from the pores of the medium surface after the discharge process of each operation cycle, so as to maintain the filtration efficiency and performance of the medium.

 

  1. Chemical stability

Due to the variety of materials processed in the filtration process, their chemical properties vary. There are acidic, alkaline, strong oxidation, organic solvents, and so on, and are filtered at a certain temperature. This requires the selection of filter medium structure materials can be treated in the material has good chemical stability, such as chemical corrosion resistance, temperature change resistance, microbial resistance.

 

By design, filter discs feature single – or multi-layer woven nets, wrapped in a rigid form of frame to control the flatness of the packaging and to enhance its own air tightness and consistency to meet your specific application requirements.

 

In terms of temperature and pressure drop, filter discs are capable of handling a wide range of fluids in temperatures from 270 to 450°C (-454-842°F) and pressure differentials up to 3bar (43psi). Metal mesh filter trays are designed and manufactured to provide filtration protection for liquid and gas flow systems.

 

In terms of type, there are two different types of metal mesh filters with and without frames. The selected materials are aluminum, brass, copper, stainless steel mesh filter and other alloys. Square, rectangular, circular and oval shapes can also be customized.

 

In the filter weave, the use of plain weave types are twill weave, Dutch weave, plain Dutch weave, twill Dutch weave.

1.filter discs enable precise flow control while providing a mechanical sound medium to extinguish the flame front. It is especially suitable for applications that require stopping the flame in the event of a violent explosion.

 

2.filter discs reduce the number of components and the time required to form traditional polymer spinning components. The filter consists of graded powder pressed into a single component to form a uniform, multilayer structure with a controllable aperture size.

 

The structure can be encased in a distribution/discharge strainer with a strong sealing surface at the upstream edge of the strainer. Therefore, it has excellent high temperature, high pressure and corrosion resistance, and is widely used in corrosive gas and liquid filtration, oil and fuel filtration and other fields.

 

  1. Also suitable for high temperature, high pressure, high viscosity, high polymer filtration, filter the solid particles in the medium, to ensure the cleanliness of the medium.

1.Filter discs can be cleaned in a number of ways, so they can be reused for many years, making them very cost effective compared to traditional filters.

 

  1. Because it is made of stainless steel, and made of filter element has good strength, not easy to fall off, easy to clean, high temperature resistance, economic use and so on. With high filtration accuracy, it can also be used continuously in the temperature range from -200℃ to +600℃, even under acid-base conditions.

 

  1. When you need to clean, you can use reflux, filtrate, ultrasonic, dissolution and baking and other ways, reusable, long service life, especially suitable for continuous automatic operation process.

 

  1. Stainless steel sintered filter plate is mainly made of stainless steel fiber sintered felt and stainless steel woven mesh by folding process. Stainless steel fiber sintered mesh can be made of the pore size from coarse to fine multilayer structure, has the characteristics of high porosity, strong contaminant capacity. With high filtration efficiency.

Filter discs also work in two ways: fluid and static. Flow plate filter refers to the filter plate and the filter plate are in motion, its working principle is to filter the liquid into the filter plate, filter in the filter plate.

 

The static disk filter refers to the filter plate is fixed, filter spiral disk filter, its working principle is to filter the liquid into the filter plate, and flow type is different, filter is in the filter plate internal filtration.

 

In practical application, according to the need of filtration, we can choose the appropriate disk filter. For example, in the requirement of high filtration efficiency, fast filtration occasions, you can choose the flow type disk filter; In the requirement of high filtration efficiency, the filter speed is slow, you can choose the static disk filter.

 

Made of stainless steel, filter discs remove solid particles from water flows and are not only vital for energy and thermodynamic purposes, it also maximizes effective chemical disinfection.

 

filter discs separates solid and organic particles, so it can be used as a replacement for both systems in industrial processes.

 

It ranges in size from small devices used in drip irrigation, for example, to large combinations of multiple filters used to treat large amounts of water needed in industrial and agricultural applications.

 

filter discs can also be used in many industries. These range from mining to municipal wastewater to power generation to aquaculture. In cases where water softeners or ion exchange techniques are used, disk prefiltration prior to final water conditioning can extend system life by significantly reducing load.

When making a stainless steel filter disc, a material test is performed first. This step requires testing the quality of the material used to produce such a metal filter disc. It involves determining the type of stainless steel you will use as well as the material to wrap the edges.

 

The wire test is then carried out, at this stage, to test the wire strands of the braided stainless steel filter pan mesh. At this stage of manufacturing the stainless steel filter plate, you can adjust parameters such as size and micron number. The process places variables in place before beginning the manufacturing process.

 

Then is the knitting stainless steel filter disc, according to the use of stainless steel filter, metal filter weaving process has a variety of.

The choice of weaving method depends on the customer’s specifications.

 

Finally is the quality test, this procedure needs to check the quality of stainless steel screen filter disk. Quality testing ensures that the product meets all relevant standards and is safe for use.

When cleaning stainless steel wire mesh filter disc, there are backblowing and backwashing washing, soaking and washing, circulation flow, ultrasonic bath and other methods.

 

  1. Backblow and backwash

Back blowing and back washing are the simplest methods of cleaning the filter disc. The success of back washing depends on the reverse flow of the fluid, which can remove and carry away the medium structure.

 

  1. Soak and rinse

Soaking and rinsing refers to the use of cleaning solutions. In this technique, you can soak the filter dish sufficiently to loosen the particles due to the action of the cleaner and then rinse them out.

 

  1. Recycle traffic

In the process of using a circulating flow, you need a cleaning system to help pump the cleaning solution and circulate it throughout the filter network until it is clean. The circulation is usually in the opposite direction from where the filter screen is soiled. You must filter the cleaning solution before returning it to the filtration medium.

 

  1. Ultrasonic bath

In this technique, you need special equipment that uses ultrasound to trigger the particles and remove them from the filter. Ultrasonic cleaning, combined with a suitable detergent solution, is the most effective way to clean the filter pan, especially if the particles are deeply embedded.

Stainless steel filter discs has mesh filter, fiber filter, powder filter and other types.

 

  1. Mesh filter plate

This type of filter tray is available in pleated and flat models. The type of mesh filter disk you choose to use will depend on your application requirements. This is the best type of filtration system for cleaning and protecting liquid and gas flow systems.

 

  1. Fiber filter tray

Several types of fiber filter trays exist for liquid and gas filtration systems. They also come in flat and pleated versions to suit different application requirements. Flat fiber filter tray is a cost effective filter tray that helps you save space and money.

 

  1. Powder filter tray

This type of filtration system comes in different sizes and designs, with sizes varying in thickness and diameter. It has different micron grades from 0.003 to 200 microns, and density from 35% to 75%.

 

Finally, the filtration system has a filter element enclosed in an enclosure that removes contaminants, chemicals and unwanted particles from the liquid. As the filter element moves within the housing and through the filter element, the filter element is affected by the solvent, water, or liquid to be filtered.

Self-cleaning stainless steel disc filter exist and the system is ideal for applications using expensive process fluids.

 

There are two types, one is a mechanical cleaning disk filter system. It uses a scraper to physically remove trapped particles from the surface of the filter. The other is a backwash disk filter system that restores the filter medium by flowing through it in reverse.

 

Backwash filtration systems can extract suspended solid particles of approximately one micron or larger. The self-cleaning stainless steel filter plate operates effectively in streams that typically run from hundreds to thousands of liters per minute. All self-cleaning stainless steel filters are pressure filters because they require a specific minimum operating pressure.

 

In addition, these systems create waste streams that you need to dispose of by discarding or reprocessing. Stainless steel filter plate plays an important role in hydraulic system.

 

Stainless steel disc filter can ensure accurate filtration, because it is made of high quality stainless steel, we can choose different materials according to customer requirements for edging, and because of a very fine specification grid, can ensure accurate filtration. The screen captures solid contaminants with high filtration accuracy, as well as easy backwash flushing.

 

Because, in the manufacturing process, we can provide different sizes, different shapes and different weaving methods of stainless steel filters. All products can be manufactured according to your specific requirements. Therefore, disc filter has very high quality, strong filtration ability, and excellent acid and alkaline resistance. It can be used under very harsh conditions, especially suitable for acid gas filtration.

 

With the best cost performance, in the production process can always be continuous quality control, widely used in melt filtration.

Filter discs also has some disadvantages. First, it is difficult to filter larger particles, the filter plate with small aperture is easy to block, and the filter efficiency of the filter plate with large aperture is low. Therefore, when selecting disc filter, it is necessary to consider the particle size distribution of the filtered liquid, the purpose of filtration, the efficiency of filtration and other factors, so as to correctly select the appropriate filter disc.

 

Secondly, compared with wire cut stainless steel strainer, laser processed stainless steel strainer faster. But there are also some deficiencies in processing, such as: lower and retracting edge processing. Because the laser is through the light temperature burning material, easy to leave a residue around the aperture, the color of the residue is black, it is very difficult to clean up the filter slag.

 

The smallest pores processed by laser can be 0.1mm or smaller, but if the pores are magnified N times, the existence of wavy lines is the biggest defect. Therefore, the appropriate filter disc should be selected.

Depending on the materials used to make filter discs, you can divide them into copper discs, Bronze discs, galvanized steel discs, and stainless steel discs. Different materials, the performance is also different. However, both have strong construction and rust resistance, and can be used in wet environments. But it needs to be cleaned.

 

According to the process can be divided into sintered filter plate, mesh filter plate, perforated filter plate, which sintered filter plate can be the multi-layer stainless steel mesh sintered, can also be pressed into powder.

 

Mesh filter is made of wire through plain weave weave, twill weave, Dutch weave and other methods woven, and perforated filter is made by perforating the metal plate, if you want to filter disk more fine, you can weld on the perforated plate stainless steel filter net.

Stainless steel filter disc can be made from woven wire mesh (304 and 316 SS), random metal fibers (316 SS), and non-pleated sintered material (316 SS). Excellent corrosion resistance and strong construction.

 

Standard filter trays are pleated to increase surface area, improve the filtration efficiency of the trays, and thus reduce operating time and cost savings. But also can be manufactured according to the requirements of the non-pleated filter plate, non-pleated filter plate flat surface, but has a long service life.

 

Porous metal plates can be customized to a variety of applications and specifications. The disc can be packaged in a variety of metal and non-metal hardware options that can provide you with complete assembly. We can also change variables such as diameter, thickness, alloy and medium grade to meet the various filtration, flow and chemical compatibility challenges of your product or process.

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