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PP melt blown filter element at work

by:Lvyuan      2021-01-26


PP melt-blown filter element is mainly because it is made of polypropylene superfine fiber by thermal fusion entanglement, so it is also called PP cotton filter element. It has very strong cleanliness and high filtration efficiency, so in actual work Among them are very popular.
Meltblown filter elements can also be made into: PP smooth meltblown filter elements, embossed filter elements, orange peel filter elements, slotted filter elements, needled filter elements, hairy filter elements, etc.
The hot-melt polypropylene fiber randomly forms a three-dimensional microporous structure in space, and the microporous diameter is distributed in a gradient along the flow direction of the filtrate. It integrates surface, deep, coarse and fine filtration, and can intercept impurities of different particle sizes.
The PP filter element has an accuracy range of 1-100μm, and its flux is more than 1.5 times that of a peak room filter element of the same accuracy. Different types of end cap connectors can be configured to meet the needs of engineering installation.
Main features:
PP melt blown filter element has dense and uniform pore size and high filtration efficiency. Because particles will bridge the pores of the PP melt blown filter element, particles smaller than the pore can also be blocked, and the filtration efficiency is above 98%. The PP melt blown filter element itself has high cleanliness and low water pollution.

PP melt blown filter element


Precautions for PP melt blown filter element:
The filtration efficiency of large particles can reach 99%;
The initial precision filtration efficiency is 95%;
This flow value is the flow value of each nominal accuracy when the 10' standard filter element filters water under the condition of pressure difference △P=0.015MPa.
PP meltblown filter element filtration accuracy: 1~100μm;
Filter element length: 1'~70', special specifications can be customized;
Filter element diameter: 5mm~200mm, special specifications can be customized.

Factors affecting the performance characteristics of PP cotton melt blown filter element
In terms of water quality, the requirements for PP cotton melt blown filter elements are very strict, which may be related to the main performance characteristics of PP cotton melt blown filter elements. Therefore, only by understanding the performance of the PP cotton melt blown filter element can we better control its requirements for water quality.
Main performance characteristics of PP cotton melt blown filter element:
The PP cotton filter element mainly plays the role of pre-purification in the equipment. Generally, polypropylene material is used. The filter element is a precision consumable. It must be replaced after the first stage of use. The replacement time is about 1 year. The specific replacement time should also take into account the local water quality.
Its main function is to remove impurities, bacteria, viruses, rust and other harmful substances in the water larger than 5 microns.
The filter element has a certain service life, so you must operate it correctly in accordance with the instructions during use to avoid damage to the PP cotton filter element, causing the water purifier to be unusable or the water quality does not meet the standard.

Melt blown filter

The main requirements of PP cotton filter element for influent water quality:
If the inlet water pressure is too high, a pressure reducing valve needs to be installed in front of the water purifier. If the inlet water pressure is too low, a booster pump needs to be added.
The PP cotton filter element also has certain requirements for the inlet water temperature. The inlet must use normal temperature tap water instead of hot water. Install a water purifier before heating devices such as a water boiler;
During installation, the installation position of the water purifier should be lower than the position of the water boiler to prevent the steam from the water boiler from entering the water purifier and causing damage to the filter element.


Where are the advantages of PP cotton filter?
Among all kinds of water filter elements, the PP cotton filter element stands out for no reason, which is inseparable from its advantages. Below, let us take a closer look at the advantages of PP cotton filter in combination with the actual situation.
1. It can remove various particulate matter in water.
The water flows from the outside of the pp cotton to the inside and passes through layers of filtration. The closer to the inner layer of the filter element, the smaller the pore size, the higher the filtration accuracy.
When particulate impurities pass through the pores of the PP filter element, bridging will occur. Even particles smaller than the pores can be blocked, thus removing various particulate impurities in the filtered liquid.
2. Multi-layered deep structure, large pollution holding capacity.
The fiber of the outer layer of the PP cotton filter element is relatively thick, and the fiber of the inner layer is relatively thin. The outer layer of the boiler is relatively loose, and the inner layer is tight, forming a multi-layer gradient structure with a gradually tightening diameter. Each layer of this multi-layer structure can intercept and store impurities in the water, and when many layers add up, the dirt holding capacity will be large.
3. Large filtration flow and small pressure difference.
The polypropylene fiber, the raw material of PP cotton, relies on self-adhesive entanglement to form a three-dimensional tortuous microporous structure. It is different from the fiber distribution in traditional fabrics and carded nonwovens. It has a large specific surface area and a high Porosity.
The large surface area and many small holes allow water to pass through the PP cotton quickly, without too much difference in height between the inside and outside of the water, so not only the filtration flow is large, but the pressure difference is also small.

PP cotton filter

4. No chemical adhesives, more sanitary and safe.
Polypropylene undergoes melt-blown, traction, and receiving technology to make polypropylene fibers intertwined with each other through self-adhesion to form PP cotton filter elements of different shapes and sizes.
Unlike other filter elements, the bonding of PP cotton filter elements does not require other materials. Because the chemical composition of PP is clean and meets the food hygiene standards, it will not cause secondary pollution to the liquid to be filtered due to the material, and it is more secure to use.
5. Good chemical stability, resistance to acids, alkalis, organic solvents and oils.
The chemical stability of PP cotton is closely related to its raw material polypropylene. The chemical stability of polypropylene is very good, except that it can be corroded by concentrated sulfuric acid and concentrated nitric acid, it is relatively stable to other chemical agents. Because of this performance, pp cotton is used in various fields such as chemistry and electronics.
6. It integrates surface, deep, coarse and fine filtration.
Due to the multiple advantages of PP cotton, it has the characteristics of large flow, corrosion resistance, high pressure resistance, and its cost is not very high. It is widely used in pure water, food and drinking water pre-filtration treatment, and RO machine penetration pre-filtration. Processing etc.


The importance of PP melt blown filter element in actual work
Nowadays, with the emergence of the epidemic, the price of mask raw materials is increasing, which has affected the prices of related products and filter elements. PP melt blown filter elements are one of them. So, what is the PP melt blown filter for water purifiers?
The filter element is the soul of the water purifier and the guarantee of the quality of water purification. As a filter accessory of the water purifier, the importance of the PP filter element can be imagined. The purchase of a good quality PP cotton filter element is the key to ensuring the safe water purification of users.
According to the measurement of formality, quality, certification, etc., the PP cotton filter element for high-quality water purifier needs to have the following characteristics.
①The regularity of the filter element manufacturer.
Professional talents can be more focused. The production of high-quality products must be based on specialization, and professionalism is based on formality. Whether a PP filter manufacturer is regular or not can be verified from the aspects of whether it has a business license for water purification accessories, product sanitation approval, and quality inspection approval.

PP melt blown filter element

② Guarantee of raw materials and production technology.
With first-class materials and first-class production technology, the products must be super-class. High-quality filter elements must be based on raw materials, with the aid of high-tech professional equipment. The raw material of the PP filter element is polypropylene, which is produced by using foreign high-quality filter element numerical control equipment.
③ Guarantee of length, weight and filtering accuracy.
The filter element needs to be combined with the filter housing before it can be used. The length of the filter housing is fixed, and the filter element must also be fixed. It will make a big difference if it is more than a millimeter. In severe cases, it may cause the machine to leak;
The weight and filtration accuracy of the filter element determine the water purification effect and service life. A slight deviation will directly affect the overall operation of the water purifier; the length, weight, and filtration accuracy of the filter element can be checked by professional measuring tools, and operators will have it.


What are the characteristics of PP melt blown filter element?
PP melt blown filter element is different from ordinary filter element. It has a wider range of uses and applicable industries in use. This is mainly related to its performance characteristics. First of all, there are four main specifications, namely 10 inches and 20 inches. , 30 inches and 40 inches.
PP melt-blown filter element is a high-efficiency precision water filter element made of high-quality PP cotton material, which can be lengthened according to user requirements.
It is suitable for large-scale use in water purification and has outstanding chemical compatibility. It is suitable for filtration of strong acids, strong alkalis and organic solvents. Strong dirt holding capacity, long service life and low cost.
Technical parameters of PP melt blown filter element:
Filtering precision: 1~100um
Applicable PH value: 1-13
Pressure difference: positive 0.4Mpa
Working temperature: under 0.25Mpa, <70℃
Sterilization: resistant to 126°C, 30 minutes online steam sterilization

PP melt blown filter element

Performance characteristics:
First, it is made of continuous polypropylene long fibers produced by melt-blown technology with polypropylene as raw material;
Second, the filtration accuracy is high, the flow rate is large, the structure is uniform, the dirt holding capacity is large, and the service life is long;
Third, it has good chemical compatibility, without any additives, and the fiber is not easy to fall off;
Fourth, it is widely used.
Note for PP melt blown filter element:
1. The filter element is selected according to the accuracy of the filtered liquid and the impurities contained. The viscous liquid can be filtered through two stages, with a coarse filter in the front stage to reduce resistance and extend the service life of the filter element (generally 3-4 times).
2. Install the filter element correctly. If you find that the filtered water is polluted, you should carefully check whether the filter element is skewed and whether the two ends are strictly aligned and compressed.
3. The filter element should be cleaned or replaced when the pressure difference reaches 0.2MPa.
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