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.
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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.
Here are the answers to frequently asked questions about the sintered porous metal filters. Read on for more information.
Q1. Why choose a sintered porous metal filter?
A: Filtration systems using sintered porous metal filters for gas, solid and liquid separation have proven to be an effective and efficient alternative. It can replace other separation methods that are susceptible to pressure spikes, high temperatures or corrosive environments. Compared to vane filters, bags and plate and frame filters, sintered porous metal filters are highly efficient at removing particles, provide reliable performance, are easy to clean and have a long service life.
Q2. What are sintered metal powder filters?
A: Sintered metal powder filters are manufactured by pressing metal powders into porous sheets or tubes and then sintering them at high temperatures. the combination of powder size, pressing and sintering operations of Sintered metal powder filters determines the pore size and distribution, strength and permeability of the porous element. The pore size of Sintered metal powder filters is determined using ASTM E-128. The media class designation corresponds to the average flow pore or average pore size of the filter. sintered metal powder filters are available in classes 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 40 and 100. liquid filtration classes for media classes 0.2 to 20 range from 1.4 to 35 µm absolute. Filtration grades in gases range from 0.1 to 100 µm absolute.
The sintered metal filter elements made of sheet or tube have a fully welded construction. The filter media is designed and manufactured with a stable porous matrix, precise bubble point specifications, tight thickness tolerances and uniformity of permeability to ensure reliable filtration performance, effective backwash cleaning and long operating life.
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Q3. What are the design considerations for the sintered porous metal filter?
A: When selecting a sintered porous metal filter, please consider the required particle retention rate, the flow rate through the filter, working fluid, etc. Our previous blog posts on filter design considerations focused on specific applications, such as fuel filters and hydraulic oil filters in industries such as aerospace, defense and marine. When considering sintered metal filters more specifically, you need to be aware of the following.
ㆍPore Size - Also known as the micron rating, the pore size defines the size of particles you want to eliminate. If the filter has an "absolute" rating of 5 microns, this means that 99% of all particles over 5 microns will be blocked. If you specify a 5 micron "nominal" rating, you will allow a larger percentage of 5-micron particles to pass, perhaps as much as 60%.
ㆍPressure drop - This is the pressure loss that occurs when a liquid or gas flows through the filter. You must determine what your particular application will allow and assign it to a porous metal filters supplier.
ㆍTemperature range - How hot or cold the filter will work. The metal alloy you choose for the filter must be able to withstand it.
ㆍStrength - Sintered filters are an excellent choice when high strength is required. Another advantage is that they provide the same level of strength in forward or reverse flow.
Q4. Where are porous metal filters used?
A: Any pressure-driven filtration process with high operating costs in applications with consistently high temperatures and corrosive environments can be improved with sintered metal filtration technology. Suitable applications can be found in oil refineries, chemical and petrochemical processes, semiconductor processes and pharmaceutical production.
Q5. What are the material options for the sintered porous metal filter?
A: Commonly available are bronze, stainless steel and various alloys. Bronze is the most popular and lowest-cost alloy metal used for sintered filters. Reasons you may need to choose other metal types or alloys may be for higher strength, better corrosion resistance, or higher temperature applications. Stainless steel is another popular material that offers excellent heat and corrosion resistance - 316L stainless steel works best.
For more extreme environments, nickel alloys may be required. Options include Monel, Hastelloy and Inconel alloys. Indeed, each of these alloys has a high cost, due to the fact that they are more difficult to machine and their base composition is a more expensive metal.
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