CN210131485U - Filter element module for air filtration - Google Patents
Filter element module for air filtration Download PDFInfo
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- CN210131485U CN210131485U CN201920729938.5U CN201920729938U CN210131485U CN 210131485 U CN210131485 U CN 210131485U CN 201920729938 U CN201920729938 U CN 201920729938U CN 210131485 U CN210131485 U CN 210131485U
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- filter
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- filter core
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Abstract
The utility model relates to a filter core module for filtration. The filter element module is composed of more than 2 filter elements which are connected with each other and arranged, and the gap between the filter elements is not more than 0.5 mm. The utility model discloses a filter core module for filtration has the characteristics of easy change, can be applied to in equipment such as filtration's clearing-up machine, new fan, air conditioning system.
Description
Technical Field
The utility model relates to a filter core module for filtration.
Background
In recent years, people have been concerned more and more about air pollution, and how to improve or even eradicate the pollution has been on the way. Meanwhile, improvement of the domestic living environment, such as removal of PM2.5, removal of formaldehyde in new houses and the like, is also an urgent need. Therefore, air purification equipment with various functions, such as an air purifier, a fresh air filter and the like, is produced at the same time. The core component of the air purification equipment is an air filter (filter element), the filter element is composed of a filter material with a particulate matter or gas trapping function, and when the filter material is full of particulate matters and odor gas, the filter element needs to be replaced. According to the service environment of the air purification equipment, the service life of the filter element is about 3-6 months, and the filter element is replaced once in 1 month in particular.
The existing air purification equipment continuously sucks air through the running fan, and the air is sent out after being filtered by the filter element and continuously circulates, so that the whole indoor air is clean finally. However, the filter element disposed in the air cleaning apparatus is generally one, and is located close to the fan, and since the wind speed is relatively fast, the filter element material in this location is contaminated faster than the filter element material in other locations, so that the filtering performance is deteriorated. At this time, the filter element material at a position far away from the fan is not fully used. Considering that the best filtering effect can be achieved indoors, the filter element has to be replaced with a new one, which brings about an increase in the use cost of consumers.
For example, chinese patent publication CN103648610A discloses an air filter unit in which a folded filter material is put into a space maintaining member made of metal by a plurality of space maintaining members made of metal. In order to prevent the filter material from excessively shrinking, a partition plate is selected to partition the filter material. The invention not only has complex process but also has high cost through the design of the metal space maintaining component and the partition plate, and is not suitable for the household air filtering equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easy filtration of changing uses filter core module.
The technical solution of the utility model is as follows: the utility model discloses a filter core module comprises two liang of filter cores of arranging of more than 2, clearance between the filter core is no longer than 0.5 mm.
The filter element preferably comprises at least one layer of filter main bodies which are alternately arranged by wave crests and wave troughs and at least one pair of frame materials.
The filter body preferably includes a fiber structure having at least 2 layers.
The gaps between the filter elements are provided with sealing cotton with the thickness of 1-5 mm preferably.
The gap between the filter elements is preferably 0 mm.
The filter cartridge module is preferably square or cylindrical in shape.
The utility model has the advantages that: according to air purification equipment, will the utility model discloses a filter core module for filtration places and designs in the framework, changes the filter core more than 2 from the design flexibility that originally uses a whole filter core. The utility model discloses a filter core module for filtration not only has equal filter effect with single whole filter core the same, carries out selectively renew cartridge according to the pollution degree of each filter core moreover to reduce use cost. The utility model discloses a filter core module for filtration can be applied to in equipment such as air cleaner's clearing machine, new fan, air conditioning system.
Drawings
Fig. 1 shows a filter module consisting of 2 square filter elements, wherein a is a filter element 1, b is a filter element 2, and c is seal cotton.
Fig. 2 shows a filter module consisting of 3 cylindrical filter elements, wherein a is a filter element 1, b is a filter element 2, c is a filter element 3, and d is seal cotton.
Fig. 3 shows a filter module consisting of 3 square filter elements, wherein a is a filter element 1, b is a filter element 2, and c is a filter element 3.
Fig. 4 is a field-shaped filter module composed of 4 square filter elements, wherein a is a filter element 1, b is a filter element 2, c is a filter element 3, d is a filter element 4, e is seal cotton 1, and f is seal cotton 2.
Detailed Description
The utility model discloses filter core module for filtration comprises two liang of filter cores of arranging of more than 2, clearance between the filter core is no longer than 0.5 mm. The utility model discloses each filter core in the filter core module is all independent, can take out alone in the use, can be according to specific use form condition, like according to the dirty degree of filter core change, replace the renewal individually to effectively used the filter core, reduced consumer's use cost. The filter element module is embedded in the filter element placing frame for air purification, and each filter element can be taken out and replaced independently. Above-mentioned filter core module is according to the actual size that the framework was placed to the filter core among the air purification equipment, comprises more than 2 filter cores, if the filter core module comprises the filter core that is less than 2, the filter core is 1 promptly, and this filter core is close to the position of fan this moment, because the wind speed is relatively very fast, and the filter core in this position is polluted very fast, just needs in time to be changed. The utility model discloses well filter core module comprises the filter core more than 2, from the angle that reduces consumer use cost, if use filter efficiency equal filter core module, in air purification equipment, the filter core at the windward position that the fan corresponds contacts the air earlier, and the filter core at this position is more particulate matter of entrapment easily, changes dirty, so in the use, can replace the filter core at this position earlier, reduces the cost of whole replacement filter core. When the filter element in the air purification equipment is designed into the filter element modules with different filtering efficiencies, the filter element close to the fan side is preferred, the trapping efficiency is higher than that of the filter element far away from the fan side, after the filter element modules with high and low trapping efficiencies can be replaced simultaneously after being used for a certain time, and the cost of the filter material with low trapping efficiency is lower than that of the filter material with high trapping efficiency, so that the cost of the whole filter element module is reduced.
The gap between the filter elements is not more than 0.5mm, if the gap between the filter elements is more than 0.5mm, the air to be purified flows out from the gap, and the trapping efficiency of the air filtration is reduced. In order to avoid the problem of lowering the collection efficiency due to the gap between the filter elements, the gap between the filter elements is preferably 0.2mm or less.
The filter element preferably comprises at least one layer of filter main bodies which are alternately arranged by wave crests and wave troughs and at least one pair of frame materials. The filter element formed by the mountain-shaped alternative arrangement of the wave crests and the wave troughs is processed by the steps of folding a non-woven material into a folded shape through a folding process, and then selecting adhesive tapes to fix the formed folded shape according to requirements to obtain the filter main body. In order to ensure the mountain-like stability of the peaks and valleys of the filter body, the nonwoven fabric is a composite multilayer fiber structure having a certain thickness and stiffness, and the composite multilayer fiber structure includes at least a support layer for supporting the filter element structure and a collecting layer for efficiently collecting dust. The supporting layer can play the stable supporting role of filter core shape (wave crest and wave trough) on the one hand, and on the other hand also can filter the great dust of particle size to improve the life of high-efficient filter core. The thickness of the supporting layer is 0.20-0.55 mm, preferably 0.30-0.45 mm. If the thickness of the supporting layer is too low, the stiffness is low; if the thickness of the supporting layer is too thick, the gap between the folded filter element mountain becomes small, so that the construction pressure of the whole filter element is increased, and the pressure loss of the filter material is increased.
The stiffness of the filtering main body of the utility model is 80-500 mg, if the stiffness of the filtering main body is too low, the non-woven fabric is soft, and the mountain shape (wave crest and wave trough) of the filter element in the subsequent process is easy to collapse and is not easy to form; if the rigidity of the filtering main body is too high, the filter element material is not easy to bend and form in subsequent processing, and the processing difficulty is increased. The formability of the difficult degree of comprehensive consideration processing and filter core, the utility model discloses filter the preferred 120 ~ 400mg of stiffness of main part.
The utility model discloses a filter the main part and constitute by the great fibre of rigidity, preferred polyester fiber, vinylon fibre, or the mixture of multiple fibre. The processing method can be one of a chemical bonding method, a thermal bonding method and a spun bonding method. The chemical bonding method is similar to wet papermaking process, the fiber is uniformly dispersed in the water solution, the mixed solution is drawn on a net curtain to form a uniform fiber net, a layer of thermal adhesive (such as polyacrylate) is coated on the fiber net, so that the adhesive is fully permeated into the fiber net, and finally, the fiber net is dried, solidified and formed. The heat bonding mode is that a certain proportion of low-melting-point fibers are prepared in fiber raw materials, various fibers are carded into a web, the low-melting-point fibers are melted or partially melted through hot air treatment, and then the web is bonded with other fibers so as to be consolidated.
The utility model discloses a filter main part preferably contains 2 layers of fibre tectosome at least, and each layer fibre tectosome that constitute filter core main part arranges with the mode that filtration efficiency increases gradually from low to high. At the fibrous structure layer of low filtration efficiency, filter the great particulate matter of size earlier, at the fibrous structure layer of high filtration efficiency, filter the less particulate matter of size again, will promote filtering material's filter fineness and life like this. The utility model discloses a filter the main part and be not limited to 2 layers, can be furnished with the fiber structure body that is less than high-efficient filtration fiber filtration efficiency in the centre of supporting layer and high-efficient filtration fibrous layer, also can centre gripping certain weight's functional raw materials such as active carbon, deodorizer. The fiber structures of the layers constituting the filter element main body are bonded by ultrasonic partial heat bonding or low melting point adhesive powder.
The high filtration efficiency fiber layer for efficiently trapping dust is preferably composed of a meltblown nonwoven fabric. The fibers constituting the meltblown nonwoven fabric may be any thermoplastic resin melt-spun, but are not particularly limited, and the thermoplastic resin is preferably a polypropylene resin. In addition, a light stabilizer, a nucleating agent, a lubricant, an antioxidant, and the like may be added to the melt-blown raw material chips. Meanwhile, in order to improve the durability of the melt-blown nonwoven fabric, improve the electret effect and improve the charge stability during filtration, the polypropylene chip containing at least one of the hindered amine additive and/or the triazine additive is preferably used, and the content of the additive is not more than 3 wt%. The average diameter of the obtained polypropylene fiber is 1-10 micrometers, although the finer the fiber is, the better the fiber distribution uniformity is, the higher the filtration efficiency is, the pressure loss of the melt-blown material is high, and meanwhile, the requirements on melt-blown equipment and nozzle opening gold in the production aspect are high, and the processing difficulty is high; if the average diameter of the polypropylene fibers is too large, the gaps between the fibers become large, and the capturing efficiency of the filter is lowered.
In order to guarantee the stability of filter core outward appearance and with the laminating nature of air purification equipment framework, the utility model provides a during the filter core design, the preferably hard material in both sides limit that links to each other with equipment, like paper frame material, thick matter non-woven fabrics frame material, or resin frame material. And in order to prevent the filter body with the alternatively arranged wave crests and wave troughs obtained by pleating from deforming when the equipment is operated, the top ends of the wave crests and the wave troughs are coated with continuous resin adhesive tapes for fixing, or the connected wave crests or wave troughs are fixed by the resin adhesive tapes with certain length.
The gaps between the filter elements are provided with sealing cotton with the thickness of 1-5 mm preferably. If the thickness of the sealing cotton distributed at the connecting part of the filter element and the filter element is too thin, a gap is formed between the filter element and the filter element, and the sealing effect cannot be achieved; if the thickness of the sealing cotton distributed on the connecting part of the filter element and the filter element is too thick, the size of the filter element is inevitably reduced, so that the purification capacity of the whole air evolution equipment is influenced, and the excessive thickness of the sealing cotton also causes extrusion between the filter element and the filter element, so that the performance of the equipment is reduced, and the installation of the filter element module is difficult. Considering the convenience that filter effect and installation switch, sealed cotton's thickness is preferred 2 ~ 4mm more to can guarantee that the clearance between filter core and the filter core is 0 mm.
The filter cartridge module is preferably square or cylindrical in shape. The filter element module can be square flat plate type or cylindrical according to the design of the air purifier, the size of the filter element in the same air purifying device is not limited to the unique design, and the design of the filter element placing frame body in the applicable air purifying device is specifically used as the premise.
The present invention will be described in more detail with reference to examples, but the present invention is not limited to the scope of the examples. The physical properties in the examples were measured by the following methods.
[ gram weight ]
The test is carried out according to the Chinese national standard GB/T24218.1-2009, and the unit is g/m2。
[ thickness ]
The average value of the thickness of 10 points in the width direction of the nonwoven fabric material was determined in accordance with JIS L1913 test standards, and the sample size: the Machine Direction (MD) was 100mm × the width direction (CD) was 100 mm.
[ stiffness ]
The hardness was measured by using a Grignard hardness tester (GAS-10, Darony) according to JIS L1096.
[ trapping efficiency ]
Air volume of 160m according to JIS B9908-2001 standard3In the hour, 0.3-0.5 mu m of electricity-removing KCl aerosol particles are used for testing, and the calculation formula is as follows:
number of particles (number) in upflow: the quantitative gas on the upper side of the filter element airflow contains the number of KCl aerosol particles,
number of particles (number) to flow down: the number of KCl aerosol particles contained in the quantitative gas at the lower side of the filter element airflow is determined.
Example 1
The thickness is 0.38mm, the gram weight is 75g/m2The terylene heat bonding non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 2.8um, and the gram weight is 35g/m2The melt-blown polypropylene fiber non-woven fabric is used as a trapping layer, the prepared supporting layer and the trapping layer are attached to prepare a composite non-woven fabric with the stiffness of 165mg, the prepared composite non-woven fabric is pleated to prepare a filtering main body with alternately arranged wave crests and wave troughs, and the top ends of the wave crests and the wave troughs are connected by resin adhesive tapes. And sticking paper frame materials on three edges of the filtering main body to obtain the filter element. With two liang of continuous range of two the same filter cores, and two relative both sides of filter core are posted and are had thickness to be 3 mm's sealed cotton, make the clearance between these two filter cores be 0mm, make at last the utility model discloses a filter core module for filtration. The capture efficiency of the filter cartridge module was 99.97%.
Example 2
The thickness is 0.38mm, the gram weight is 75g/m2The terylene heat bonding non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 2.8um, and the gram weight is 35g/m2The melt-blown polypropylene nonwoven fabric as the trapping layer was laminated with the prepared support layer to prepare a composite nonwoven fabric having a stiffness of 165mg, the prepared composite nonwoven fabric was pleated to prepare a filter body having alternately arranged peaks and valleys, the shape of the filter body was fixed to a circular shape by resin strips connecting the peaks and valleys, the upper and lower ends of the filter body were covered with circular resin plates, and the inner sides of the resin plates were coated with hot resin to prepare a cylindrical filter element for an air cleaner as shown in fig. 2. Will be made up by 3 pieces of circular filter cores that the size is the same, paste the sealed cotton that thickness is 2mm between two liang of continuous filter cores from top to bottom, make the clearance between these two filter cores be 0mm, make at last the utility model discloses a filter core module for filtration. The capture efficiency of the filter cartridge module was 99.50%.
Example 3
The thickness is 0.41mm, the gram weight is 80g/m2The terylene heat bonding non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 2.5um, and the gram weight is 35g/m2The melt-blown polypropylene non-woven fabric is used as a trapping layer, and 200g/m is clamped between a supporting layer and the trapping layer2And then hot laminating the activated carbon to obtain a composite nonwoven fabric with stiffness of 182mg for clamping activated carbon particles, pleating the prepared nonwoven fabric to obtain a filtering main body with alternately arranged wave crests and wave troughs, and fixing the shape of the filtering main body by using resin adhesive tapes on the connected wave crests and wave troughs. And sticking paper frame materials on three edges of the filtering main body to obtain the filter element. With two liang of continuous range of two the same filter cores, and two relative both sides of filter core are posted and are had thickness to be 2 mm's sealed cotton, make the clearance between these two filter cores be 0mm, make at last the utility model discloses a filter core module for filtration. The capture efficiency of the filter cartridge module was 99.97%.
Example 4
The thickness is 0.33mm, the gram weight is 55g/m2The wet papermaking non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 4.5 um, and the gram weight is 20g/m2The melt-blown polypropylene nonwoven fabric is used as a trapping layer, the prepared supporting layer and the trapping layer are thermally bonded to prepare a composite nonwoven fabric with the stiffness of 122mg, the prepared nonwoven fabric is pleated to prepare a filtering main body with alternately arranged wave crests and wave troughs, and the top ends of the wave crests and the wave troughs are connected by resin adhesive tapes. And assembling four edges of the filter main body by using paper frame materials to obtain the filter element. Two liang of continuous range of two the same filter cores, the clearance between these two filter cores is 0.2mm, makes at last the utility model discloses a filter core module for filtration. The collection efficiency of the filter cartridge module was 93.65%.
Example 5
The thickness is 0.38mm, the gram weight is 75g/m2The terylene heat bonding non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 2.8um, and the gram weight is 35g/m2The melt-blown polypropylene fiber non-woven fabric is used as a trapping layer, the prepared supporting layer is attached to the trapping layer to prepare a composite non-woven fabric with the stiffness of 165mg, and the prepared composite non-woven fabric is pleated to prepare a composite non-woven fabric with wave crests and wave troughs alternately arrangedAnd fixing the shape of the filter main body on the connected wave crests and wave troughs by using resin adhesive tapes, and assembling paper frame materials on four sides of the filter main body to obtain the filter element. With two liang of continuous range of 3 filter cores that the size is the same, the clearance between these two filter cores is 0.4mm, makes at last the utility model discloses a filter core module for filtration. The capture efficiency of this cartridge module was 95.28%.
Example 6
The thickness is 0.38mm, the gram weight is 75g/m2The terylene heat bonding non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 2.8um, and the gram weight is 35g/m2Melt-blown polypropylene fibre non-woven fabrics as catch the layer, laminate the supporting layer that the aforesaid made with catch the layer, it is 165 mg's composite non-woven fabrics to make the stiffness, pleat the above-mentioned composite non-woven fabrics who makes, make crest trough alternate arrangement's filtration main part, and it is fixed to make the shape with the resin adhesive tape on continuous crest and trough, the paper border frame material of the four sides of filtration main part is assembled, make the filter core, paste thickness around the filter core and be 2 mm's seal cotton, then make 4 pieces of filters that the size is the same into "field" font, make filter core and filter core meet the position clearance and be 0mm, make at last the utility model discloses a filter core module for air filtration. The capture efficiency of this cartridge module was 96.45%.
Comparative example 1
The thickness is 0.37mm, the gram weight is 75g/m2The terylene heat bonding non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 2.8um, and the gram weight is 35g/m2The melt-blown polypropylene fiber non-woven fabric is used as a trapping layer, the prepared supporting layer and the trapping layer are attached to prepare a composite non-woven fabric with the stiffness of 156mg, the prepared composite non-woven fabric is pleated to prepare a filtering main body with alternately arranged wave crests and wave troughs, and the top ends of the wave crests and the wave troughs are connected by resin adhesive tapes. And sticking paper frame materials on three edges of the filtering main body to obtain the filter element. Two identical filter elements are connected in pairs and arranged, the gap between the two filter elements is 0.7mm, and finally the filter element module for air filtration is prepared. The collection efficiency of this cartridge module was 90.37%.
Comparative example 2
The thickness is 0.38mm, the gram weight is 75g/m2The terylene heat bonding non-woven fabric aggregate is used as a supporting layer, the average diameter of the fiber is 2.8um, and the gram weight is 35g/m2The melt-blown polypropylene fiber non-woven fabric is used as a trapping layer, the prepared supporting layer is attached to the trapping layer to prepare a composite non-woven fabric with the stiffness of 178mg, the prepared composite non-woven fabric is pleated to prepare a filtering main body with alternately arranged wave crests and wave troughs, resin adhesive tapes are used for fixing the shape of the connected wave crests and wave troughs, paper side frame materials are used for assembling four sides of the filtering main body to prepare a filter element, then 4 filters with the same size are combined into a shape like a Chinese character 'tian', the gap between the connecting part of the filter element and the filter element is 1.1mm, and finally the filter element module for air filtration is prepared. The collection efficiency of the cartridge module was 87.36%.
Claims (6)
1. A filter cartridge module for air filtration, characterized in that: the filter element module is composed of more than 2 filter elements which are connected with each other and arranged, and the gap between the filter elements is not more than 0.5 mm.
2. A filter cartridge module for air filtration according to claim 1 wherein: the filter element comprises at least one layer of filter main bodies and at least one pair of frame materials, wherein the filter main bodies are alternately arranged by wave crests and wave troughs.
3. A filter cartridge module for air filtration according to claim 2 wherein: the filter body is a fiber structure comprising at least 2 layers.
4. A filter cartridge module for air filtration according to claim 1 wherein: and sealing cotton with the thickness of 1-5 mm is matched in the gap between the filter elements.
5. A filter cartridge module for air filtration according to claim 4 wherein: the clearance between the filter elements is 0 mm.
6. A filter cartridge module for air filtration according to claim 1 wherein: the filter element module is square or cylindrical in shape.
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| CN201920729938.5U CN210131485U (en) | 2019-05-21 | 2019-05-21 | Filter element module for air filtration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114687063A (en) * | 2020-12-30 | 2022-07-01 | 无锡市正龙无纺布有限公司 | Preparation method of laminated range hood filter screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114687063A (en) * | 2020-12-30 | 2022-07-01 | 无锡市正龙无纺布有限公司 | Preparation method of laminated range hood filter screen |
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