Sintered Porous Metal Filter Element
The advantages of having a sintered porous metal filter element are just enormous. I can assure you that you stand to gain a lot by using these filters on your application. Among the various benefits that you can gain include the following.
Better filtration
When filtering, you want to get the best of your filtration which involves removing all the contaminants that are present in your fluid.
You can achieve this by using a sintered porous metal filter element for your filtration.
A sintered porous metal filter element offers quality filtration for your fluid with the results being fluid that is free of contaminants.
By adjusting the porosity of the filter element depending on the fluid means that you can achieve the perfect filtration that you want.
Since there will be no corrosion of your filter, no contaminants will be present in your fluid as a result of the reaction of the filter.
Corrosion resistance
What a sintered porous metal filter element offers for your application is a corrosion-free filter that will provide you with quality service.
Various reactions take place in your filter.
These reactions can either be chemical, mechanical, or physical reactions.
Such reactions can hurt the condition of your filter as well as the fluid that you are filtering.
However, by using a sintered porous metal filter element, you are sure that there will be no corrosion of the filter.
Also, you can be sure of the fluid that you are filtering won’t be affected by the filter element.
You will get efficient and thoughtful service from ZHUAN LV.
Sintered Porous Metal Filter Element
Reasonable pressure drop
If there is one aspect of your filtration that you need to ensure that is constant is the pressure of your fluid in your application.
That is precisely what a sintered metal filter offer.
A sintered metal filter can maintain the pressure of your fluid within your application thus ensuring maximum operation.
A slight drop in pressure might hurt your application.
For instance, you may not be able to achieve the filtration that you want to due to there not being the relevant force to filter your fluid.
Also, drop-in pressure results in a drop in the fluid requirement of your application.
You will, therefore, find that your application may not get the fluid that it needs for your filtration.
High thermal shock
The advantage of a sintered porous metal filter element is that it has a high thermal shock.
This is mainly an advantage when you are dealing with applications that have a high thermal shock.
During the manufacturing process bonding of various metals happens while maintaining the physical properties of the metals.
It is these physical characteristics of these metals that aid in absorbing the high thermal shock of your filter.
You can, therefore, use these filters in a wide range of applications depending on the thermal range of your application.
High thermal shock also ensures that you can filter your fluid efficiently without having to worry about the thermal heat of the application.
Temperature and pressure resistance
You can easily maintain the temperature and pressure resistance of the individual metals.
This is because you can mix different metals by bonding without necessarily having to melt the metals.
The advantage of this is that the resulting sintered porous metal filter element has a high temperature and pressure resistance.
You can, therefore, use this filter in applications that have a higher temperature and pressure without having to worry about your filter element.
Among applications that have a higher temperature and pressure resistance include chemical reaction and gas treatment plants.
The use of sintered metal filters in such applications ensures that you obtain the best results for your filtration.
Sintered Porous Metal Filter Element
Advantage of sintered mesh filter cartridges comparing to wire mesh filter
Comparing to non-metallic and ordinary wire mesh filter cartridges, sintered metal mesh filter cartridge is superior in:
ㆍfixed and stable pore size under high temperature and pressure
ㆍsuitable for temperature applications higher than 300 degree Celsius
ㆍwashable and reusable
ㆍall welded structure, no risk of failure of spot welding or adhesive
ㆍself-support, easy to form cartridge
As the mechanism of the sintered wire mesh is stop and restrain the impurities in the working fluid, there are chances that the impurities accumulated and form the filter cake. The filter cake can increase the filtering accuracy at certain degree before the cake is cleaned or removed by backwashing or offline cleaning.
Sintered metal mesh filter cartridge is suitable for applications of micron level filtration and separation. Such as particle candle filter for chemical, pharmaceutical, oil & gas, petrochemical; strainer for food & beverage, fuel, hydraulic.
Why sintered filters?
We spoke ad nauseam about the application of sintered filters but why sintered filters are used in the above-mentioned industries, instead of any other type of filter? There are a few vital reasons why people from such industries trusted a sintered product over all else.
The porosity of sintered filter dictates the outward or inward flow of liquid or gas. The controlled flow of filtering material can be managed without the help of a pressure gauge.
Sintered filters and high-pressure situations go hand in hand. When applied in a pressure-rich environment, most other filter material tends to fail. You cannot use plastic or paper when the psi is extremely high. That is why sintered filters are trusted.
It can operate in a high-temperature environment. A sintered filter steel mesh can resist the heat of up to 480°C. If the material or the alloy is changed, the heat resistance also sees changes, which is not possible in any other type of filter.
Know about Jintai
Shijiazhuang Jintai Purification Equipment Co., Ltd. has been committed to the development of metal porous materials and related technologies and applications. As early as more than 20 years ago, Jintai began to focus on the development and production of metal porous powder sintered porous metal filter elements. It has 15 invention patents and utility model patents. It has been a high-tech enterprise and has passed ISO quality management system certification. After more than 20 years of technical accumulation, Jintai can now provide customers with a variety of product materials and specifications to meet customer needs. If you need our products, please feel free to contact us.
A sintered filter is a type of filter that is made from powder materials, using pressure and heat to make them bond together while keeping a porous structure.
If you want to learn more about sinter filters, this blog has these parts you may like to read:
The sign is used to represent different degrees.
The filtration rating is also called filtration accuracy, which refers to the ability to remove specific particles from the fluid. It can be measured by the size of particles that the sintered porous filter trapped.
The filtration rating can be expressed in terms of microns (µm), which represents the particle sizes. Typically, the general filtration rating of sintered metal filters ranges from 0.5 to 100 microns (µm).
Among those sintered filters mentioned above, those used in special environments could offer filtration ratings of a higher level. For instance, the filtration rating of sintered plastic filters can reach 0.2 micron when used in pharmaceutical, biotech, or microelectronics.
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 °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.
You may want to know the recommended temperatures of each sintered material:
You need to consider the operating temperature range and the specific requirements of your application. Only in this way can you ensure consistent performance.
Sintered metal filters are primarily produced using powder metallurgy, through powder mixing, powder compaction, sintering, and secondary operations.
Depending on your application, you can choose common types of powder materials such as metal powders or polymer powders.
In addition, you can also mix the powders to achieve specific properties.
With intense pressure, powder materials are compacted in molds that have variable shapes (sintered disc, sintered plate, sintered tube, etc.). However, the whole porous structure remains relatively loose.
The key step of manufacturing is the sintering process in powder metallurgy, which determines the properties of sintered parts.
Filter materials will be heated to a temperature lower than its melting point, bonding the powders together, while keeping physical properties.
After the filter elements cool down to room temperature, check the quality according to your requirements.
If there are some deviations, then reprocess (cutting, polishing, or machining). Finally, clean the sinter filters to remove contaminants.
Why choose sinter filters? Here are some advantages that ensure their reliable filtration performance.
Most of the sintered metals have a natural resistance to corrosive chemicals so they can still maintain a good state under chemical reactions.
Sintered glass and sintered ceramic also have excellent performance in corrosion environments.
You can choose sintered filters of specific filtration accuracy to keep the filtration efficiency at a high level.
In HVAC (Heating, Ventilation, and Air Conditioning) systems, sintered metal filters with filtration ratings ranging from 5 to 20 microns are commonly chosen to protect HVAC equipment from contaminants. These filters can effectively capture various particles in the air.
What’s more, the material that does not react chemically with the fluid can avoid the entry of new substances. In all, the filtered results will be more accurate.
If there are pressure fluctuations during the filtration, the entire system will be affected to some degree.
Due to their mechanical strength, sintered metal filters are good at maintaining fluid pressure to ensure stable system operation.
Sintered filters have better durability and longer service life in extreme temperatures. With proper maintenance, these sintered parts can be used for many years, often ranging from 3 to 10 years or even longer in some cases, which can reduce the number of replacements, thereby saving costs.
Though many advantages are provided, they still have some potential drawbacks that you need to notice:
The choice of materials mainly determined the cost of sinter filters. High-performance materials can be more expensive.
Also, the complexion of the manufacturing process adds to the cost.
If you are looking for more details, kindly visit sintered filter cartridge.
In March , the price of stainless steel mixed powder (SS-303L) with a diameter of 100 microns in China is about $590,000 /ton.
As time goes by, small pores may become clogged with particles, reducing the filtration efficiency. In other words, they need regular cleaning and maintenance.
Cleaning may require specialized equipment and procedures. Some sintered elements used in chemical environments can be more challenging to clean thoroughly. This means it costs not only money but also extra time.
Raw materials for making sintered filter elements are not of a wide range.
What’s more, one material cannot be applied to all situations. So for special environments, the choice will always be limited.
Compared to other filters, the manufacturing time of sintered filters is long. For different sintered materials, the production time of some sintered metals may be longer.
For example, if the production time of a batch of sintered bronze filters is 1 day, the same number of sintered stainless steel filters could take a week or more.
So if buyers need a great amount of sintered filters, it’s better to place the order in advance.
Sintered porous filters are widely used in fluid filtration or liquid filtration, allowing fluid (liquid) to pass through the pores.
When flowing through the filter, particles larger than the pore sizes are trapped, thus the fluid is purified.
When the sound waves go into the filter, they will cause the air in the filter to vibrate. This movement creates friction and resistance, which turns the energy of sound into heat, reducing the amplitude of the sound waves.
Due to plenty of distinct advantages, sintered filters have a wide range of applications.
For beverage production, you can use filter layers to filter pulp and suspended solids to ensure the clarity of the liquid.
Meanwhile, purified water for food processing can also be obtained by water treatment.
In chemical processing industries, these sintered filters can be used in corrosive environments, like sintered glass filters used in laboratories.
Some chemical waste may be harmful to the environment, which requires some filtration of these substances.
You can also use sintered filter elements to remove impurities in the operating conditions. It can maintain the normal operation of the machine and extend the service life.
(For instance, sintered bronze filter discs are used in vents of electric motors to prevent the entry of dust, moisture, and other contaminants while allowing air exchange. This helps to maintain the internal environment of the motor.)
Porous metal filters are used to remove contaminants from fuels and lubricants, ensuring smooth operation and prolonging the life of machinery.
(Sintered stainless steel filter tubes are used to remove contaminants from crude oil during production and transportation processes. These metal filters help to keep product quality, protect equipment, and prevent pipeline fouling.)
Visual inspection is to check for signs of damage and decide whether it needs replacement.
Then perform a short filtering action, and test the filtered fluid to see whether the filter layer is clogged.
After a period of use, there may be some residual dirt on the filter layers, which will cause blockage if not cleaned in time.
After a basic introduction, you may still have some of these questions:
The uniform pore size is the key point to the precision, which affects the final filtration efficiency. What’s more, the sintered powder sizes could make a difference.
As said above, the numbers and sizes of pores distributed on the filters directly determine the filtration efficiency. It is the temperature and time of sintering that control these factors, that’s why sintering does matter.
As delineated by Wikipedia, this method is integral to the fabrication processes employed across various substances, including metals, ceramics, plastics, and more.
Yes, of course they can.
Filtration in the pharmaceutical industry usually involves liquid filtration and gas filtration, which stays in line with the scope of the application of sintered metal filters.
(For example, you can use sintered metal filters in the final filtration, removing residual particles or microorganisms before packaging.)
Generally, paper coffee filters have average pore sizes ranging from 10 to 20 microns, which vary depending on the material type and brand of the coffee filter.
If you are referring to the espresso puck screens, especially those made from sintered stainless steel, the filtration rating is around 150 microns.
Yes.
According to your application and requirements, you can customize specific characteristics (pore sizes, powder sizes, sintered materials, shapes, and flow rate) of your porous metal filters.
In addition, the operating environment needs to be considered as well.
For more information, please visit coalescer cartridge.