We have obtained all the licenses and certificates required for the metal filter cartridge, including certificate of origin. It facilitates the transition of goods, settlement payment, and complains & compensations. With these certificates in hand, we ensure our tapping into global markets is conducted smoothly. We will make a specific and detailed description of the product material, specifications, and application range to help to handle relevant procedures. To learn more about our certificate of origin, please contact us through phone or email.

Established years ago, Guangzhou Lvyuan Water Purification Equipment Co., Ltd. is today a company specializing in ptfe filter. We have industry-leading product manufacturing capabilities. Lvyuan's main products include activated carbon filter series. We have our team of professional quality inspector to help ensure the product is of stable performance and reliable quality. The star-shaped ring seal makes the filter element easy to disassemble and maintain. sintered metal filter from Lvyuan has passed a series of international quality assurance system and product safety certification. All its elements are made with FDA compliant material for food and beverage contact.

We are highly aware of the social responsibility of being a manufacturing company. We are working hard to further improve compliance to ensure that all our actions are not only in full compliance with all legal regulations but also based on higher ethical standards.

At present our country most of the oil field has entered the stage of the middle and late oil production, it is well known that stainless steel sintered filter can be used not rusting, corrosion resistance advantages can be produced in the liquid water content is 70 - 80%, some oil fields as high as 90%, and with the increase of extraction time, the water content increasing, so is a huge amount of oilfield produced wastewater in our country. If such a large number of produced water, the direct discharge will cause serious environmental pollution, and waste precious water resources at the same time. Make the application of sintered filter obtained remarkable achievement.


used in oil field water injection, the oil field produced water has been treated more like fresh water has the following advantages: 1, the oilfield produced water containing surface active material and the temperature is higher, can improve the capability of washing oil. Oil displacement efficiency increase with the increase of the salinity of water and produced water containing surfactants, especially close to the bottom of produced water salinity, its biggest oil displacement efficiency value. 2, water quality stability, and reservoirs to mix does not produce precipitate.


sintered filter using quartz sand and anthracite filter material to directly to intercept the impurities in the water, purify water, suspended solids, particulate matter, reduce the turbidity, purify water quality, reduce system dirt, bacteria and algae, corrosion, etc, to purify the water quality. After sintering filter treatment of water quality up to the national wastewater discharge standard.


sintered filter has the stable discharging water, low operating cost, cover an area of an area small, long service life characteristics.

microporous membrane filter encyclopedia


microporous membrane filter and micropore filter, precision filter, it contained folded filter and filter, etc. , can be called folding field of medicine, food, wine is a common filtering equipment, that what is microporous membrane filter, small butterfly today with everyone to see!

definition microporous membrane filter is a kind of membrane separation technology, filter for cylinder tubular structure, made of stainless steel 304 or 316 l, with folding filter for filtering element, can be 0 in filtering liquid and gas. 1μ M more particles and bacteria. Has high filtration precision, fast filtration, adsorption, no less dielectric loss, don't let it out, naisuanjian corrosion, the advantages of convenient operation, can remove the bacteria in water and liquid injection water and particles, can recoil when cleaning, as a different user requirements, two, three, four filters may be set up in order to achieve the best filtering effect, widely used in medicine, large infusion, pure water, biological engineering of aseptic and clarification. Key feature

1 cartridge one core and three core core, 5, 7, 9, 11, 13, 15 core
2 folding filter length 10 & Prime; ,20 '; ,30 '; 40 ';
3 filter material with ptfe, polysulfone, nylon, polypropylene, acetate fiber.
4 filter aperture is 0. 1μ 米,0。 22μ 米,0。 45μ m, 1μ; m、3μ 米,5μ; 米,10μ; 米,30亩; 米,60亩; M, hydrophobic ( Applicable to gas) And hydrophilic ( Applicable to liquid) Filter, can choose according to need.

use this filter can filter out most of the particles, so widely used in precision filtration and aseptic technique.
made according to the FDA and GMP standard, filter material for high quality imported stainless steel ( 304316 l) 。 Is characterized by small volume, light weight, and use, the filter has big filter area, block rate is low, filtration speed, no pollution, good thermal stability and chemical stability.
filter and filter structure description
1, the filter for the collapsible tube type microporous membrane filter, filter shell diameter of 2. Seven feet ( The 69 mm) , the length of the filter element with 10, 20, 30 and 40 feet ( The 250, 500, 750 and 1000 mm) Four, with the filter shell sealing way, plug-in ( Is divided into 222, 226) And flat mouth type two kinds. Points mentioned below
a, plug-in filter including the 222 and 226, is one of the international standard filter and the filter board interface, 222 are & other; O” Socket, 226 are & other; O” Interface with a pair of lugs, can pick up the card into the filter shell the grooves on the socket board, at a fixed upper end of the filter.
b, flat mouth type filter of the upper and lower end is flat, filter and filter shell link socket board is fixed with the plane of the sealing ring.
can also according to the needs of users, for users to design and manufacture special specifications and usage of the filter ( Such as household water purifier filter, etc. ) 。 Long-term supply & other; O” Ring and seal ring.

2, filter microporous membrane filter cartridge filter by microporous membrane filtration core and stainless steel shell, and the necessary of stainless steel pipes, valves.
there are a lower filter element socket socket board, board with jack, for socket filter. According to different user processing flow, the filters have a single core 3 core, 5 core, until dozens of filter. At the same time, in order to filter convenient loading and unloading, shell consists of two parts, with fast loading bolt connection. High filtration precision, uniform filter aperture; Filtering less resistance, large flux, sewage capability is strong, long service life; Price is low, low operating cost, easy to clean and filter replacement
if you want to know more detailed description of microporous membrane filter, welcome to contact us!

Sintered Metal Filters and Filtration Efficiency

Sintered metal filters are a crucial component in many industrial and commercial applications, providing an effective means of separating solids from liquids or gases. The design of these filters plays a significant role in determining their filtration efficiency, defined as the ability of the filter to remove contaminants from the fluid stream. In this article, we will explore how the design of sintered metal filters impacts filtration efficiency, considering various factors such as pore size, material composition, and filter geometry.

The Role of Pore Size

The pore size of a sintered metal filter is one of the most critical factors influencing its filtration efficiency. The size of the pores determines the size of particles that can be captured by the filter, with smaller pores capable of capturing finer particles. However, it is essential to strike a balance when selecting the pore size, as too small of a pore size can lead to rapid clogging and reduced flow rates. On the other hand, overly large pore sizes may allow undesired particles to pass through the filter, compromising its efficiency.

Sintered metal filters are available in a range of pore sizes, typically measured in micrometers (m). Common pore sizes for sintered metal filters range from 1 m to 100 m, with some specialized filters offering even smaller or larger pore sizes. The selection of pore size depends on the specific application requirements, the size of contaminants to be removed, and the desired flow rates. For applications involving the removal of sub-micron particles, filters with ultra-fine pores in the range of 0.1 m to 1 m are available, offering high filtration efficiency for fine particulate matter.

The distribution of pore sizes within the filter also affects filtration efficiency. A narrow and uniform pore size distribution can result in more consistent and reliable filtration performance, while a wider distribution may lead to uneven particle capture and reduced efficiency. Manufacturers of sintered metal filters utilize various techniques, such as powder blending and control of sintering parameters, to achieve the desired pore size distribution for optimal filtration efficiency.

Impact of Material Composition

The material composition of sintered metal filters significantly influences their filtration efficiency, as well as their compatibility with different fluids and operating conditions. Sintered metal filters can be fabricated from a range of materials, including stainless steel, bronze, nickel, titanium, and other alloys. The choice of material is dictated by factors such as chemical compatibility, temperature resistance, mechanical strength, and the nature of the particles being filtered.

Stainless steel is a commonly used material for sintered metal filters due to its excellent corrosion resistance, high temperature tolerance, and mechanical durability. Stainless steel filters offer high filtration efficiency and can withstand harsh operating environments, making them suitable for a wide range of industrial applications. Bronze filters are preferred for applications requiring high levels of porosity and good fluid permeability, such as filtration of gas streams and fuel oils.

In addition to the base material, the surface treatment and post-processing of sintered metal filters can further impact their filtration efficiency. Surface coatings and treatments can modify the surface energy and wettability of the filter, influencing its ability to capture and retain particles. Furthermore, the use of multi-layered sintered metal filters, consisting of different materials or varying porosities, can offer enhanced filtration performance by combining the strengths of different materials.

Role of Filter Geometry

The geometry of sintered metal filters, including their shape, size, and configuration, plays a significant role in determining filtration efficiency. The design of the filter affects factors such as flow resistance, pressure drop, surface area, and contact time between the fluid and the filter media. These factors collectively influence the overall performance of the filter in terms of particle capture and flow rate.

The shape and size of sintered metal filters are tailored to specific applications, with common configurations including cylindrical, disc, tube, and pleated designs. Cylindrical filters are well-suited for applications requiring high dirt-holding capacity and long service life, while disc filters are favored for their compact size and ease of installation. Pleated filters offer increased surface area and reduced flow resistance, making them suitable for high-flow applications where low pressure drop is desired.

Innovations in filter geometry, such as the incorporation of asymmetric or graded pore structures, have led to advancements in filtration efficiency. These designs promote uniform flow distribution, reduce fouling, and enhance particle capture, resulting in improved overall performance of sintered metal filters. Furthermore, the use of additive manufacturing techniques, such as 3D printing, enables the production of highly complex filter geometries with precise control over pore size and distribution, opening new possibilities for optimizing filtration efficiency.

Effect of Flow Rate and Pressure

The operating conditions of a fluid stream, including flow rate and pressure, have a direct impact on the filtration efficiency of sintered metal filters. The flow rate determines the speed at which the fluid passes through the filter, influencing the contact time between the fluid and the filter media. Higher flow rates can result in reduced filtration efficiency if the filter cannot effectively capture and retain particles within the given time frame.

Pressure, both differential and upstream, also affects the performance of sintered metal filters. Differential pressure, or pressure drop, across the filter indicates the resistance to flow experienced by the fluid as it passes through the filter media. Excessive pressure drop can lead to decreased flow rates and increased energy consumption, while inadequate pressure drop may indicate insufficient filtration and potential particle breakthrough. Proper selection of the filter design and material is essential to achieve the desired balance between filtration efficiency and pressure drop.

Advanced computational fluid dynamics (CFD) simulations and modeling techniques are employed to analyze the flow behavior within sintered metal filters and optimize their designs for specific flow rates and pressure conditions. These simulation tools aid in predicting the flow patterns, velocity profiles, and particle trajectories within the filter, allowing engineers to fine-tune the filter geometry and pore structure to maximize filtration efficiency under varying operating conditions.

Role of Surface Filtration and Depth Filtration

Sintered metal filters can be classified into two primary filtration mechanisms - surface filtration and depth filtration - each offering distinct advantages and considerations for filtration efficiency. Surface filtration, also known as cake filtration, involves the accumulation of particles on the outer surface of the filter media, forming a cake layer that captures additional particles as the fluid passes through.

Depth filtration, on the other hand, involves the retention of particles within the porous structure of the filter media, with particles being captured throughout the thickness of the filter rather than solely on the surface. Depth filtration offers a higher dirt-holding capacity and lower pressure drop compared to surface filtration, making it suitable for applications involving high levels of contamination and extended service intervals.

The choice between surface filtration and depth filtration depends on factors such as the nature of the particles, desired filtration efficiency, flow rates, and the ability to periodically clean or regenerate the filter. Sintered metal filters can be engineered to exhibit specific surface and depth filtration characteristics based on the application requirements, providing a tailored solution for optimal performance.

In conclusion, the design of sintered metal filters significantly impacts their filtration efficiency, with factors such as pore size, material composition, filter geometry, operating conditions, and filtration mechanisms playing critical roles. By understanding the influence of these design parameters, engineers and end-users can make informed decisions when selecting and optimizing sintered metal filters for various applications, ensuring efficient and reliable particle separation in fluid streams. As technology continues to advance, the development of new materials, manufacturing techniques, and design methodologies will further enhance the performance and versatility of sintered metal filters in diverse industrial and commercial settings.

In summary, the design of sintered metal filters is a crucial aspect of their performance and efficiency in separating solids from liquids or gases. Factors such as pore size, material composition, filter geometry, operating conditions, and filtration mechanisms all contribute to the overall filtration efficiency of these filters. By carefully considering these design parameters and advancements in technology, engineers and end-users can ensure the optimal performance of sintered metal filters in a wide range of applications.

Introduction

Are you curious about the different types of filters available in the market today? With the increasing demand for filtration in various industries, it's essential to understand the differences between traditional filters and the newer sintered powder filters. In this article, we will explore the unique characteristics and benefits of sintered powder filters, and how they differ from traditional filters.

What are Sintered Powder Filters?

Sintered powder filters, also known as metal powder filters, are a type of porous material that is designed for filtration purposes. These filters are created by compacting and sintering metal powder to create a strong, porous structure that can withstand high temperatures and pressure. The sintering process involves heating the metal powder until it forms a solid mass, with tiny interconnected passages that allow fluids to pass through while capturing particles and contaminants.

Sintered powder filters are available in various shapes and sizes, including discs, tubes, and cartridges, making them suitable for a wide range of industrial applications. The materials used to create these filters can also vary, including stainless steel, bronze, nickel, and other metal alloys. The ability to customize the pore size, thickness, and material composition makes sintered powder filters highly versatile and effective in different filtration processes.

The sintering process allows for precise control over the size and distribution of the pores, resulting in filters with uniform porosity and high filtration efficiency. The interconnected pore structure of sintered powder filters offers a large surface area for filtration, improving the overall performance and longevity of the filter. These unique characteristics make sintered powder filters ideal for demanding filtration applications in industries such as chemical processing, oil and gas, pharmaceuticals, and food and beverage.

Advantages of Sintered Powder Filters

Sintered powder filters offer several advantages over traditional filters, making them a preferred choice for many industrial processes. One of the key benefits of sintered powder filters is their ability to withstand high temperatures and pressure, making them suitable for applications where traditional filters may fail. The robust construction and material composition of sintered powder filters make them highly durable and resistant to corrosion, ensuring long-term reliability and performance in harsh operating conditions.

Another advantage of sintered powder filters is their superior filtration efficiency and particle retention capacity. The precisely controlled pore size and distribution allow for effective removal of contaminants, solids, and impurities from liquids and gases, resulting in cleaner and purer end products. The high porosity and large surface area of sintered powder filters also contribute to low pressure drop and high flow rates, minimizing energy consumption and improving overall process efficiency.

Sintered powder filters are also known for their excellent chemical compatibility, making them suitable for use with a wide range of fluids and aggressive media. The inert nature of the materials used in sintered powder filters ensures minimal reactivity with the process fluids, reducing the risk of contamination and ensuring the integrity of the filtration process. This chemical resistance and compatibility make sintered powder filters an ideal choice for critical applications where product purity and consistency are paramount.

Applications of Sintered Powder Filters

The unique characteristics and benefits of sintered powder filters make them suitable for a wide range of industrial applications. In the chemical processing industry, sintered powder filters are used for filtration of catalysts, polymers, resins, and various chemical intermediates. The high-temperature resistance and chemical compatibility of these filters make them an essential component in maintaining the quality and purity of chemical products.

In the oil and gas industry, sintered powder filters are used for the filtration of hydraulic fluids, lubricants, and process fluids in drilling and production operations. The robust construction and particle retention capacity of sintered powder filters make them vital for maintaining the cleanliness and reliability of critical equipment and systems in the oil and gas sector.

In the pharmaceutical industry, sintered powder filters are used for the filtration of drug formulations, vaccines, and other pharmaceutical products. The high filtration efficiency and inert nature of sintered powder filters ensure the removal of contaminants and particulates to meet stringent regulatory requirements for product purity and safety.

Sintered powder filters also find applications in the food and beverage industry, where they are used for the filtration of beverages, edible oils, and food additives. The sanitary design and excellent chemical compatibility of sintered powder filters make them suitable for maintaining the quality and safety of food and beverage products, meeting the strict standards and regulations for product purity and hygiene.

These are just a few examples of the diverse applications of sintered powder filters across different industries. The versatility, reliability, and performance of these filters make them an essential component in various manufacturing processes, ensuring the quality, purity, and integrity of the end products.

Comparison with Traditional Filters

Now that we have explored the unique characteristics and advantages of sintered powder filters, it's essential to compare them with traditional filters to understand their differences and benefits. Traditional filters, such as pleated paper, depth, and membrane filters, are widely used in many industrial applications for filtration purposes. While traditional filters have their own set of advantages, they also have limitations when compared to sintered powder filters.

One of the key differences between sintered powder filters and traditional filters is the material composition and construction. Traditional filters are typically made of paper, polymer, or fiber materials, which may not withstand extreme temperatures, chemical exposure, and high-pressure conditions. In contrast, sintered powder filters are made of metal powder that is sintered to create a durable and robust porous structure, making the filters suitable for challenging operating environments.

Another difference lies in the filtration efficiency and particle retention capacity. Sintered powder filters offer superior filtration performance due to their controlled pore size and uniform porosity, resulting in efficient removal of particles and contaminants. Traditional filters may have limitations in particle retention and flow rates, especially when dealing with challenging fluids or high solids content.

The longevity and reliability of sintered powder filters also set them apart from traditional filters. The durable construction and chemical resistance of sintered powder filters ensure long-term performance and minimal maintenance requirements, making them a cost-effective solution for many filtration applications. Traditional filters may require frequent replacement and maintenance, leading to higher operational costs and downtime.

It is important to note that both sintered powder filters and traditional filters have their own set of advantages and limitations, and the selection of a filtration solution depends on the specific requirements of the application. However, the unique characteristics and benefits of sintered powder filters make them a preferred choice for many industrial processes that demand high-performance filtration with reliability and longevity.

Conclusion

In conclusion, sintered powder filters offer a unique set of advantages and benefits that set them apart from traditional filters. The robust construction, high-temperature resistance, superior filtration efficiency, and chemical compatibility make sintered powder filters an essential component in various industrial applications, ensuring the quality, purity, and reliability of end products. Understanding the differences between sintered powder filters and traditional filters is crucial in identifying the most suitable filtration solution for specific process requirements. With their versatile and high-performance characteristics, sintered powder filters continue to play a vital role in maintaining the integrity and efficiency of filtration processes across different industries.