Sintered Metal Filter

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Rich Experience
Shaanxi xubo titanium metal technology Co., Ltd are a professional rare metal manufacturer and supplier for 12 years.we are focused on diversification and have invested heavily in R&D, production and marketing.

High Quality
We adopt advanced production facilities, process standards, and management system to control producing process and obtained ISO:9001 Quality Control System. Our products are certified by world-class companies such as BV CNAS ISO SGS.

Wide Range of Products
Mainly specialized in RD and manufacturing MMO titanium anode, Titanium electrode, Platinised titanium anode, lead oxide anode, CNC metal titanium parts, titanium plate, titanium bar, titanium tube, titanium wire, titanium target, and related titanium products.

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Our prices are competitive and fair, there are no surprise bills. Any unexpected or additional expenses must be pre-approved by you. That's how our clients are treated.

Introduction to Sintered Metal Filters

Sintered metal filters represent a state-of-the-art filtration solution, crafted through a distinctive process that employs metal powders formed under heat and pressure to create a rigid, porous structure.

Advantages of Sintered Metal Filters

Sintered metal filters offer several advantages over other types of filters:
● High filtration efficiency: The uniform pore structure of sintered metal filters allows for efficient filtration of particles down to submicron sizes.

● Durability: Sintered metal filters are highly resistant to corrosion, high temperatures, and mechanical stress, making them suitable for demanding applications.

● Chemical compatibility: These filters can withstand exposure to a wide range of chemicals without degradation, ensuring long-term performance.

● Ease of cleaning: Sintered metal filters can be easily cleaned and reused, reducing maintenance costs and waste generation.

● Customizability: The pore size, shape, and thickness of sintered metal filters can be tailored to meet specific filtration requirements.

Application of Sintered Metal Filter

A sintered metal filter is porous, often, cylindrical metallic part manufactured through the process of sintering. Copper and metal alloys are mixed together and fused through high temperatures achieving porosity and creating a mesh. These filters are used from household appliances to industrial/chemical plants to greater effects.

Sintered metal filters perform a very specific task and it is useful in multiple fields of applications, depending upon the microns of porousness.

So, here are a few places where we see a lot of application of sintered metal filter:

● Automotive industries
Vehicles need clean air and one of the best ways to make sure dust, dirt and unwanted liquid do not overflow into the exhaust system, sintered metal filters are used. From being a vital element in the exhaust pipe to being used as a filter covers for air filter of the engine, there are various use of sintered metal filter in automotive industry. They are even used as sound dampers in throttle and exhaust system.

● Domestic and electronics industry
Filter covers have been used in domestic appliances for years now. Vacuum cleaners, dampers in blenders, filtration units and water purifiers all use sintered metal filters. One of the biggest and prevalent applicants of sintered metal filter has been the domestic appliance industry.

Passing of clean air to microprocessors, transistors, and sensitive performing machines have increased their used of sintered mesh. Controlled and clean air is necessary for making sure high-performance electronics are functioning at their peak potential and sintered metal filtered/meshes help realize that potential.

● Chemical and pharmaceutical industry
Playing around with various chemicals that are harmful to handle, most likely flammable and dangerous if taken lightly, are just the daily precautions of a chemical or pharmaceutical industry. Foreign substances cannot be allowed to impure the material at hand and sintered metal filter elements as well as profiles are prominent in this industry. High pressure, different viscosity level and corrosion properties result in these industries trusting sintered metal filters for their filtration needs.

● Nuclear and energy industry
High pressure situations are where application of sintered metal filters is good for. One of the benefits of using them is you can manage pressure flow rate and output based on the microns of porousness present on the surface of the filter. Inside nuclear reactors where clean water is used as coolant, sintered metal filters play a huge role. Energy industry uses high pressure and corrosion resistant filters.

How to Manufacture a Sintered Metal Filter

A sintered metal filter can be prepared by following steps:

● A cylindrical mold is placed vertically with its open end facing upward.

● Liquid and fibers are pushed into the mold. The fibers can be of stainless steel, nickel, thallium, titanium, aluminum, tungsten, copper, metal oxides, or ceramic materials.

● A pressure differential is created in the mold to expel the liquid. The applied pressure makes it fiber cohesive. The cohesive fiber coheres to form a substantially tube-shaped structure.

● The extruded tube-shaped structure is removed from the mold and sintered to obtain a porous sintered metal fiber filter element having one end and another end.

● Finally, densification of both ends of the filter is done.

Sintered Porous Metal Stainless Steel Filter Disc

Working Temperature: Sintered Metal Filter

Each sintered material has a specific working temperature range.
Some could be hard to stand at high temperatures like sintered plastic filters could work at 150°C approximately at most, or thermal degradation may occur.
Some have better heat resistance as sintered ceramic elements' working temperature can be up to 1000°C.
If the operating temperature is too high that filters can't withstand, the pores gap will change, affecting the filtration efficiency. On the contrary, when the operating temperature goes too low, the whole structure may be brittle, and easy to be damaged.

Sintered Metal Filter Design

The sintered metal filter design for liquid/solids separation is selected which produces the required filtrate, minimizes backwash or blowdown and maximizes throughput. Three types of filter configurations are described as follows:

Outside-in filtration
Traditional liquid/solids barrier separation occurs on the outer perimeter of a closed-end tubular filter element (LSP). A gas assisted pneumatic hydro-pulse backwash has proven to be the most effective cleaning method for sintered porous metal filters.

Inside-out filtration
Liquid/solid barrier separation occurs on the inside of a closed-end tubular filter element (LSI). LSI backwash modes include:

● Full shell slurry backwash.

● Empty shell slurry backwash.

● Empty shell and empty element wet cake backwash and d.) Empty housing wet cake discharge.

Inside-out Multimode filtration:
Liquid/solids (barrier or crossflow) separation occurs on the inside of open-ended tubular filter element (LSM and LSX). Elements are sealed within two tube sheets, thereby allowing for either top or bottom feed inlet. The LSM filter, with a feed recirculation feature, has proven itself in several continuous loop reactor systems. The downward velocity controls the cake thickness of the catalyst with the lower the velocity resulting in a thicker cake. Filter backwash modes are similar to LSI backwash modes and also includes a bump-and-settle type backwash that allows concentration of solids without draining the filter element or housing. Continuous loop reactor system may not require backwashing.

Scale-ability of the filtration systems allows for accommodating high flow rates and increased solids capacity. Filtration units are suitable for batch or continuous processes. Single housing filter systems are recommended where flow rates allow and flow can be stopped for a few minutes prior to backwash, or if off line periods can be tolerated for maintenance. Two filter dual systems are recommended where continuous flow is required and short periods of off line can be tolerated for maintenance. Three filter systems are recommended for continuous operation even during maintenance periods.

Characteristics of Sintered Metal Filters

Sintered metal filters have great intrinsic strength, so they can be used with a much wider pressure differential than most other filter materials. The accuracy of the p/m process means you can specify particle extraction from 10 to 50 microns. Powder metal filters can generally be cleaned simply by backwashing or ultrasonic cleaning.

When torturous conditions propel high-temperature gases down a sealed channel, a standard screening solution feels the strain. All-metal sintered filters and silencers endure under these parts-corrosive conditions. The disc or cone-shaped powder metal product allows a selected fluid to travel through the sintered mass, but suspended particulates are removed from the stream. Furthermore, the powder compaction process is finitely variable, which means filter permeability can be adjusted. When the metal sintering process addresses filtering needs, a typical bore pitch of 10 to 50 microns is easily achieved.

Sintered metal filters are built to strip away dynamic stresses as effectively as they deal with liquid-suspended particulates. As that force-cancelling function commences, gaseous loads are nullified, air exhausts are silenced, and dynamically funnelled noise is muted. In essence, these products are built for pneumatic, chemical, and hydraulic systems, places where propagating vibrations must be effectively reduced until they comply with industry-accepted noise regulations.

In oil-filled hydraulics and pneumatic equipment, sintered metal filters handle large pressure differentials while removing the piped contaminants that are flowing in that system. The powder metal compacting process produces screen bore diameters that vary within a few microns, so chemical treatment plants also employ these corrosion-resistant filtering solutions. Finally, noise emission control falls under the jurisdiction of this metal-only filter type, with the porous alloy sieves dismissing the pressurised air and other gases so that the exhaust from the filter is properly silenced. That last feature targets air compressors and other air-powered equipment.

Our Factory

Shaanxi xubo titanium metal technology Co., Ltd is mainly specialized in RD and manufacturing MMO titanium anode, Titanium electrode, Platinised titanium anode, lead oxide anode, CNC metal titanium parts, titanium plate, titanium bar, titanium tube, titanium wire, titanium target, and related titanium products. Which are widely used in water treatment, swimming pools, electrolysis, disinfection, the alkali industry, electroplating, cathodic protection, medical, chemical, sport, aerospace, etc. It is located in"China Titanium Valley" Baoji city, we adopt advanced production facilities, process standards, and management system to control producing process and obtained ISO:9001 Quality Control System Most our products are widely exported to Brazil, Argentina, and USA, Germany, Korea, Vietnam, France, Italy, etc more than 50 countries. Our objective is "To make better Titanium Solutions for your usage"We strive to provide more perfect and cost-effective titanium solutions for global partners.

We are a professional rare metal producer and supplier for many years. Our products are certified by world-class companies such as BV CNAS ISO SGS, our vision is to enlarge the profits and make our clients satisfied.

Our Certificates

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FAQ

Q: What is sintered metal filter?

A: Sintered metal filters represent a state-of-the-art filtration solution, crafted through a distinctive process that employs metal powders formed under heat and pressure to create a rigid, porous structure.

Q: What are the material choices for sintered metal filters?

A: Bronze, stainless steel, and various alloys are common. Bronze is the most popular and lowest cost alloy metal used for sintered metal filters. Reasons you may need to choose another metal type or alloy may be for higher strength, better corrosion resistance, or higher temperature applications. Stainless steel, another popular material, provides excellent heat and corrosion resistance.
For even more extreme environments, a nickel alloy may be desirable. Choices include Monel, Hastelloy, and Inconel. It's true that these alloys each carry a premium cost, which is due to them being harder to work with and their basic makeup of more expensive metals.

Q: What is sintered metal filter working principle?

A: The robust and permeable architecture of sintered metal filters elevates them as superior for filtration in contemporary times. These metal constructs boast impressive resilience to elevated temperatures, immense pressure, and corrosive environments, facilitating filtration in more demanding settings. They adeptly segregate and purge unwanted contaminants or assist in procuring gases or liquids of heightened purity for your ventures.

Q: How to physically inspect sintered metal filters

A: Visual examination of porous structure: This type of testing involves looking at the filter material under a microscope or other magnification device to ensure that the porous structure is consistent and free of defects.
Measurement of pore size: This involves using specialized equipment to measure the size of the pores in the filter material. This information can be used to ensure that the filter is able to effectively remove the desired particles from a fluid.

Q: Why sintered metal filters?

A: Sintered metal filters are robust and exhibit excellent performance for separation of particulate matter from either liquid or gas process streams. The filter media is fabricated from metal power or fiber and sintered to form filter elements. These filter elements can withstand higher temperature as compared to other filter elements. Along with high temperature resistance, corrosion is also other criteria where sintered elements prove superior. Additionally, the cost of ownership of sintered metal filter systems is considerably low as they can be cleaned via ‘blowback cleaning' multiple times and reused with the same filtration efficiency.
The sintered metal filter systems and elements are critical in achieving effective particulate removal to protect equipment, meet environmental regulations and achieve successful cost-effective filtration operations.

Q: What are some of the design considerations for sintered metal filters?

A: Pore size – Also known as the micron rating, pore size defines what size particles you want to keep out. If a filter is rated for 5 micron "absolute," this means that 99% of all particles over 5 microns in size will be blocked. If you specify a 5 micron "nominal" rating, you are allowing a larger percentage of 5-micron particles to pass through, perhaps as high as 60%.
Pressure drop – This refers to the loss of pressure that occurs as liquids or gasses flow through the filter. You will have to determine what your specific application can allow and specify this to the filter manufacturer.
Temperature range – How hot or cold is the operating environment where your filter will be working. The metal alloy you choose for your filter must be able to tolerate it.

Q: What are sintered metal filters used for?

A: Sintered metal filters are widely used across various industries, including pharmaceuticals, food and beverage, chemical processing, and aerospace, for their efficiency in removing particulates from gases and liquids.

Q: What is the pore size of a sintered metal filter?

A: Pore size of sintered metal media is determined using ASTM E-128. The media grade designation is equivalent to the mean flow pore, or average pore size of the filter. Sintered metal media are offered in grades 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 40 and 100. The filtration rating in gas ranges from 0.1 to 100 μm absolute.

Q: How are sintered metal filters made?

A: Bronze sintered metal filters are made from spherical bronze powder. The form, size and distribution of the powder are important parameters which affect the filter's properties. Bronze sintered metal filters are produced using the gravity sintering method. The bronze powder is placed in a mold and sintered.

Q: How do you clean a sintered metal filter?

A: Remove the filter from the system.
Rinse the filter with water to remove any loose particles.
Soak the filter in a cleaning solution suitable for the filter media.
Use a soft brush to scrub the filter gently, ensuring to clean all the crevices and folds in the filter media.

Q: What is the difference between filter and sintered metal filter?

A: Filters are usually made of asbestos. They are pad-like and thicker than membrane filters. Sintered glass filters are an alternative type of filter that are made of glass and hence do not absorb liquids during filtration.

Q: How about sintered metal filters in the field of chemical processing?

A: In the realm of chemical processing, sintered metal filters are indispensable. They are employed to purify and clarify various chemical substances, ensuring the removal of impurities and contaminants. These filters contribute to the production of high-quality chemicals and intermediates, meeting stringent industry standards for purity.

Q: How are sintered metal filters used in the petroleum refining industry?

A: The petroleum refining industry relies heavily on sintered metal filters. These filters are crucial in the refining process to separate and filter out solids, catalysts, and other contaminants from crude oil and its derivatives. By enhancing the purity and quality of refined products, sintered metal filters aid in the production of fuels, lubricants, and petrochemicals.

Q: How are sintered metal filters used in the natural gas production industry?

A: Sintered metal filters play a critical role in the gas production industry. Whether it's natural gas, industrial gasses, or specialty glasses, these filters are employed to remove particulate matter, moisture, and impurities. By achieving high levels of gas purity, sintered metal filters support safe and efficient gas production processes.

Q: What is the role of sintered metal filters in the food and beverage industry?

A: In the food and beverage industry, product quality and safety are paramount. Sintered metal filters are used to ensure the cleanliness and purity of liquids and gasses in various stages of food and beverage production. From filtering beverages during the production of soft drinks to clarifying edible oils, these filters help maintain the highest standards of hygiene and product quality.

Q: Is the mechanical strength of sintered metal filters high?

A: One of the most significant advantages of sintered porous metal filters is their high mechanical strength. These filters are capable of withstanding extreme temperatures and pressures, which makes them suitable for demanding industrial environments. The sintering process creates a robust structure that resists deformation and collapse, ensuring long-term reliability and performance.

Q: What is the filtration efficiency of sintered metal filters?

A: Sintered porous metal filters offer excellent filtration efficiency due to their controlled porosity. The precise pore size distribution allows these filters to capture particles down to the sub-micron level. This high level of filtration efficiency is crucial for applications that require a high degree of purity, such as in the pharmaceutical, food and beverage, and semiconductor industries.

Q: Is sintered metal filter resistant to chemical corrosion?

A: Another major benefit of sintered porous metal filters is their resistance to chemical attack and thermal degradation. These filters can handle corrosive liquids and gases without losing their structural integrity or filtration capability. This makes them ideal for use in harsh environments, such as chemical processing plants and petrochemical facilities, where they are exposed to aggressive substances and high temperatures.

Q: Can sintered metal filters be reused?

A: The longevity of sintered porous metal filters is a key factor in their cost-effectiveness. These filters can be cleaned and reused multiple times, which significantly extends their service life. Common cleaning methods include backflushing, ultrasonic cleaning, and chemical cleaning, all of which help to restore the filter's performance. This reusability reduces the need for frequent replacements, resulting in lower maintenance costs and less downtime.

Q: What is the working principle of sintered metal filter?

A: The sintered metal filter working principle involves the use of a sintered metal mesh or powder to filter particles or fluids. Sintering is a manufacturing process that involves compacting metal particles at high temperatures and pressures to form a solid porous structure.

As one of the leading sintered metal filter manufacturers and suppliers in China, we warmly welcome you to buy or wholesale cheap sintered metal filter in stock here from our factory. All customized products are with high quality and competitive price.

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