CN108379961A - Filter element and preparation method thereof - Google Patents

Filter element and preparation method thereof Download PDF

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Publication number
CN108379961A
CN108379961A CN201810134594.3A CN201810134594A CN108379961A CN 108379961 A CN108379961 A CN 108379961A CN 201810134594 A CN201810134594 A CN 201810134594A CN 108379961 A CN108379961 A CN 108379961A
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CN
China
Prior art keywords
filter
filtering area
strainer ontology
rugosity
sorbing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810134594.3A
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Chinese (zh)
Inventor
蔡广林
黄晓杰
罗定龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Apollo Air Cleaner Co Ltd
Original Assignee
Foshan Shunde Apollo Air Cleaner Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Shunde Apollo Air Cleaner Co Ltd filed Critical Foshan Shunde Apollo Air Cleaner Co Ltd
Priority to CN201810134594.3A priority Critical patent/CN108379961A/en
Publication of CN108379961A publication Critical patent/CN108379961A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, i.e. axial filtering
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, i.e. axial filtering in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • B01D46/0016Folded frame or housing constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407Constructional details of adsorbing systems

Abstract

The invention discloses a kind of filter elements, including:In the strainer ontology of rugosity, the strainer ontology has the mesh for breathing freely, and filtering area is configured as between the adjacent mesh, and the filtering area is equipped with sorbing material layer.The invention also discloses a kind of production methods making above-mentioned filter element.The present invention can not only improve the conversion ratio of filter element, but also reduce its windage and peculiar smell is avoided to generate.

Description

Filter element and preparation method thereof
Technical field
The present invention relates to technical field of air purification, more particularly to a kind of filter element and a kind of making filtering list The production method of member.
Background technology
Equipment of the air filter as purification air, has obtained extensive use.General air filter is to pass through Filtration (also referred to as filter device) in its shell achievees the purpose that purify air to filtering out for air pollutants.By There are the pollutant of Multiple components in air, for example, the suspended particulate substance of dust and PM2.5 etc. and the gaseous state of formaldehyde etc. it is dirty Object is contaminated, therefore, in filtration would generally configure different types of filter element to remove the various pollutants in air.
Currently, the removal of the removal for gaseous pollutant, especially formaldehyde, typically uses adherency or fills out with absorption Material, such as the filter element of active charcoal filter.Such filter element is mainly that honeycomb fills out carbon knot currently on the market Structure, honeycomb glue carbon structure, grid glues carbon structure and folder charcoal four kinds of structures of cloth.The conversion ratio of the filter element of above-mentioned four class formation Difference, and respectively have quality.Wherein important indicator of the conversion ratio as measures filtration unit uses " FCADR/ loads air quantity " Formula is evaluated.The formula is reference《GB/T 18801-2008》The cleaning of appendix C (normative appendix) gaseous pollutant is empty Tolerance test method is got, wherein " load air quantity " refers to air purifier when being run after carrying filter screen unit, air outlet Air quantity;" FCADR " corresponding numerical value refers to " formaldehyde Clean air delivery rate ";And " conversion ratio " refers to FCADR numerical value and load wind The ratio relation of amount can fully reflect formaldehyde absorbing effect of the filter screen unit under unit air volume.Separately below to above-mentioned four kinds The problems of filter element of structure illustrates:
1, honeycomb fills out the filter element of carbon structure, since activated carbon is being used, is easily being displaced in transportational process, mutually touched Generation carbon dust is hit, therefore, the conversion ratio of such filtering layer unit is relatively low, usually between 25%-30%.In addition, such is filtered The windage of unit is generally also higher.
2, the filter element of the viscous carbon structure of honeycomb causes most of activated carbon filtering since its honeycomb intermediate gap is larger When do not reach air, therefore, the conversion of such filter element filter is relatively low, usually between 25%-35%.
3, grid glues the filter element of carbon structure, and conversion ratio is usually between 30%-55%, although such filter element Conversion ratio increase, but such filter element is typically that multilayer activated carbon is made to be laminated in structure setting, to also making It is higher to obtain its windage.
4, folder charcoal cloth is different from the above-mentioned structure of three kinds of filter elements, therefore its conversion ratio is higher.However, the folder charcoal cloth is deposited In insoluble Peculiar Smell currently on the market, and its phosphorus content is limited to material thickness, is not easy to adjust.
To sum up, current filter element, in particular for the filter element of the removal gaseous pollutants such as formaldehyde, or it is more or It is few to have the following problems:High windage, active carbon amounts adherency few (in a limited space), peculiar smell, conversion ratio are low.Therefore, there is an urgent need for A kind of new structural filter element is made effectively to overcome the above problem.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of filter element, including:It is described in the strainer ontology of rugosity Strainer ontology has the mesh for breathing freely, and is configured as filtering area between the adjacent mesh, the filtering area is equipped with Sorbing material layer.
Preferably, the sorbing material layer is fixed on by bonding way on the filtering area.
Preferably, pass through adhesive sticker or Performance of Pressure Sensitive Adhesive between the sorbing material layer and the filtering area.
Preferably, the sorbing material layer is made of the adsorption particle being adhered on the filtering area.
Preferably, the adsorption particle further includes functional additive.
Preferably, the rugosity strainer ontology is in wavy or mountain peak shape.
In order to solve identical technical problem, the present invention also provides a kind of production methods of filter element, including walk as follows Suddenly:
Strainer ontology is provided, which has mesh and be configured as filtering area between the adjacent mesh;
By the backfin of strainer ontology to form rugosity;
Sorbing material layer is coated on the filtering area in the strainer ontology of rugosity and is made coated with the sorbing material layer The mesh of strainer ontology can breathe freely.
Preferably, described to be wrapped the step of coating sorbing material layer on the filtering area in the strainer ontology of rugosity It includes:
Choose adsorption particle;
Adsorption particle is fixed on the filtering area in the strainer ontology of rugosity by bonding way to form adsorption material The bed of material.
Preferably, the filtering that adsorption particle is fixed on to the strainer ontology in rugosity by bonding way The step of in area to form sorbing material layer includes:
Adhesive sticker is coated on the filtering area in the strainer ontology of rugosity;
Adsorption particle is spilt on adhesive sticker.
Preferably, described to include the step of coating adhesive sticker on the filtering area in the strainer ontology of rugosity:
It is sprayed on the strainer ontology in rugosity or impregnates non-setting adhesive cement to form semi-finished product;
Semi-finished product are dried or are dried to non-setting adhesive cement and are in first valve state.
Preferably, it overturns drying or be dried to during non-setting adhesive cement is in first valve state by semi-finished product The semi-finished product.
Preferably, after being adhered to adsorption particle on the filtering area in the strainer ontology of rugosity, to bonding There is the strainer ontology of adsorption particle to carry out brushing operation, falls off from strainer ontology so as to adhere to unstable adsorption particle.
Preferably, it is gone forward in the filtering area of the strainer ontology of rugosity being adhered to adsorption particle, will be adsorbed Particle be soaked in functional additive be easy in and drain or dry.
Preferably, it is described by strainer ontology backfin to form rugosity the step of include:
It determines and folds spacing and fold height;
According to the folding spacing and the fold height by strainer ontology backfin.
Compared with prior art, the beneficial effects of the present invention are:
1, the filter element of the embodiment of the present invention can increase filtering area due to its strainer ontology with rugosity On sorbing material layer and air contact area, and air-flow and folded filter area form angle, improve filtering area with it is empty Gas comes into full contact with, especially when the filter element be located at limited air it is interior when, the contact area with air is compared to other The promotion that the filter element of structure can double, to be remarkably improved the conversion ratio of filter element with sorbing material layer cooperation, and And it is verified, the conversion ratio of the filter element of the structure is up to 50%-69%.At the same time, since sorbing material layer is provided at On filtering area, and filtering area is the region between adjacent mesh, this manner it is also possible to ensure that sorbing material layer will not be complete The mesh of strainer ontology is covered, so that mesh has good gas permeability, to while reducing the windage of filter element It is not likely to produce peculiar smell, with the comprehensive performance for promoting filter element.
2, the production method of the filter element of the embodiment of the present invention is by pressing the strainer ontology for defining filtering area Folding processing, and coat sorbing material layer on the filtering area in the strainer ontology of rugosity and the sorbing material layer is made not cover The mesh of strainer ontology reduced wind in this way, can both improve the strainer ontology in a limited space with the contact area of air Resistance, so that the sorbing material layer of subsequent adhesion thereon can be contacted with air as far as possible in unit space, ventilation Well, peculiar smell will not be caused to generate or go bad because of stuffy.At the same time, the collision between sorbing material layer can also be avoided And it falls off.
Description of the drawings
Fig. 1 is the structural schematic diagram of the filter element along main view direction in the embodiment of the present invention;
Fig. 2 is the flow chart of the production method of filter element in the embodiment of the present invention.
Wherein, 100, filter element;1, strainer ontology;2, adsorption particle;3, frame.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below Example is not limited to the scope of the present invention for illustrating the present invention.
Fig. 1 show the structure of the filter element 100 of the preferred embodiment of the present invention, which includes:In folding The strainer ontology 1 of shape, the strainer ontology 1 have the mesh for breathing freely, are configured as filtering between the adjacent mesh Area, the filtering area are equipped with sorbing material layer.
Above-mentioned filter element 100 can increase the absorption on filtering area due to its strainer ontology 1 with rugosity The contact area of material layer and air, especially when the filter element 100 be located at limited air it is interior when, with connecing for air Contacting surface accumulates the promotion that can be doubled compared to the filter element 100 of other structures, to be remarkably improved with sorbing material layer cooperation The conversion ratio of filter element 100, and it is verified, and the conversion ratio of the filter element 100 of the structure is up to 50%-69%.With this Simultaneously as sorbing material layer is provided on filtering area, and filtering area is the region between adjacent mesh, in this way, May insure sorbing material layer will not completely obscured strainer ontology 1 mesh so that mesh have good gas permeability, to It is not easy to produce peculiar smell while the windage for reducing filter element 100, with the comprehensive performance for promoting filter element 100.
In order to further increase the conversion ratio of filter element 100, illustratively, sorbing material layer cladding filtering can also be made Area, fully to cover filtering area, to maximize the area of the sorbing material layer on strainer ontology 1, to improve adsorption efficiency.Into One step, strainer ontology 1 can also be in wavy or mountain peak shape.It is of course also possible to add the support for fixing strainer ontology 1 Part, fixing device are designed to wavy or mountain peak shape the matched escapement with strainer ontology 1 so that peaks and troughs obtain It fixes to effective, is deformed to avoid strainer ontology 1.
In order to ensure filter element 100 can be run steadily in the long term, illustratively, sorbing material layer can also be made to pass through viscous The mode of connecing is fixed on filtering area, to avoid filter element 100 use or transportational process in due to falling off for sorbing material layer Lead to the reduction of its conversion ratio, to improve user experience.And preferably, can be by not doing between sorbing material layer and filtering area Glue or Performance of Pressure Sensitive Adhesive, to further increase the adhesive strength between sorbing material layer and filtering area.
Sorbing material layer in the present embodiment is mainly used for adsorbing the gaseous pollutant in air, therefore, in order to make absorption Material layer can come into full contact with the gaseous pollutant in air, and illustratively, it includes adsorption particle that can make sorbing material layer 2, and the adsorption particle 2 also allows for investing on filtering area by adhesive sticker and pressure-sensitive adhesive, and it is adhered to the suction on filtering area There is certain interval each other between attached particle 2, so that air can come into full contact with along the gap and adsorption particle 2, thus into One step promotes the conversion ratio of filter element 100, and can also further decrease the windage of filtering unit 100, it is ensured that filtering is single Member 100 not will produce peculiar smell.
Filter element 100 in the present embodiment uses the activated carbon of high adsorption rate, naturally it is also possible to select as needed Such as silica gel absorber, activated alumina, silica gel absorber and one kind in organic resin adsorbent intermediate adsorption material or The a variety of sorbing materials of person are combined.Preferably, in order to effectively filter the pollutant of the individual species in gaseous pollutant, example Such as formaldehyde, can also be realized by adding functional additive in adsorption particle 2.Functionality is added in adsorption particle 2 to add Add agent mode can there are many, and in order to simplify technique and reduce production cost, can by by activated carbon directly in function Property additive solution, you can except impregnated in the solution of formaldehyde and drained or dried realize in air formaldehyde carry out It effectively removes.
Carrier of the strainer ontology 1 as adsorption particle 2, not only needs proper amount of adsorption particle 2 steady in a long-term Be fixed on strainer ontology 1 to ensure that filter element 100 can have higher conversion ratio for a long time, but also be necessary to ensure that suction Attached particle 2 will not cover the mesh of strainer ontology 1, to avoid the gas permeability of filter element 100 is influenced.Therefore, in the present embodiment Being needed according to actual product can be by the pore size control of strainer ontology 1 in 10~15 × 5~10mm, so that filter element 100 obtains Preferable conversion ratio and gas permeability.In addition, the fold height of strainer ontology 1 usually requires to be adapted with local environment, and its Content, conversion ratio and the windage situation of adsorption particle 2 can reach best.The folding of strainer ontology 1 in the present embodiment Spacing also can need to control, in 6mm-20mm, so that filter element 100 obtains preferable performance, i.e., can both obtain according to actual product Windage can be reduced again by obtaining higher conversion ratio, while can also avoid the problem that colliding to fall off between adsorption particle 2.
In order to keep strainer ontology 1 easy to process, illustratively, strainer ontology 1 can be selected such as plastics, paper material and The material that metal material etc. is easily shaped makes.It is selected in the present embodiment in the case where ensureing strainer 1 mechanical property requirements of ontology Aluminum work, to further reduce the cost.Further, it is also possible to add frame 3 in the outer peripheral edge of strainer ontology 1, become to avoid it Shape.
The production method that Fig. 2 show above-mentioned filter element 100, the production method include the following steps:
S1, strainer ontology 1 is provided, which has mesh and be configured as filtering between the adjacent mesh Area;
S2, by 1 backfin of strainer ontology to form rugosity;
S3, sorbing material layer is coated on the filtering area in the strainer ontology 1 of rugosity and makes to be coated with the sorbing material The mesh of the strainer ontology 1 of layer can breathe freely.
Further, described to include the step of coating sorbing material layer on the filtering area in the strainer ontology 1 of rugosity:
Choose adsorption particle 2.
Adsorption particle 2 is as the material that can be adsorbed to the pollutant in air, the direct shadow of quality of absorption property Ring the conversion ratio of filter element 100.Gaseous contamination in air filtering was mainly used for by filter element 100 in this present embodiment Therefore object, especially formaldehyde need to select suitable material according to the filtering requirement of filter element 100 in the selection of adsorption particle 2 Expect the adsorption particle 2 made, such as activated carbon.
Adsorption particle 2 choose it is good after, adsorption particle 2 can be fixed on by bonding way to the strainer ontology in rugosity To form sorbing material layer on 1 filtering area.
It is inhaled being fixed on adsorption particle 2 by bonding way on the filtering area in the strainer ontology 1 of rugosity with being formed It can be carried out as follows during enclosure material layer.It is coated on the filtering area in the strainer ontology 1 of rugosity first Adsorption particle 2 is then spread on by machine or manual mode on adhesive sticker by adhesive sticker, to realize adsorption particle 2 and strainer Adhesion between ontology 1.It further, can be first during coating adhesive sticker in order to improve the adhesion intensity of adhesive sticker It is sprayed on the strainer ontology 1 of rugosity or impregnates non-setting adhesive cement to form semi-finished product, then the semi-finished product are dried or dried It is in first valve state to non-setting adhesive cement.And preferably, in order to allow adsorption particle 2 to be equably adhered to strainer ontology 1 On filtering area, semi-finished product are dried or be dried to during non-setting adhesive cement is in first valve state overturn the semi-finished product so that Do not catch up with glue uniform adhesion on strainer ontology 1.It can be uniformly distributed in this way, can be absorption, without large-scale stratification, To significantly improve the conversion ratio of filter element 100.
Further, it is also possible to after being adhered to adsorption particle 2 on the filtering area in the strainer ontology 1 of rugosity, to bonding There is the strainer ontology 1 of adsorption particle 2 to carry out brushing operation, is taken off from strainer ontology 1 so as to adhere to unstable adsorption particle 2 It falls.It is of course also possible to go forward in the filtering area of the strainer ontology 1 of rugosity being adhered to adsorption particle 2, by adsorption particle 2 It is soaked in being easy of functional additive and drains or dry, so that adsorption particle 2 becomes functional adsorption particle 2.
It is understood that in order to be adapted to different products, it, can first really when carrying out backfin processing to strainer ontology 1 Surely spacing and fold height are folded, then according to the folding spacing and the fold height by 1 backfin of strainer ontology.
The conversion ratio and windage situation of filter element 100 in addition to being influenced by adsorption particle 2, also with 2 institute of adsorption particle The carrier of attachment, i.e. strainer ontology 1 are related.Therefore, in the present embodiment in order to make filter element 100 not only have higher conversion Rate, and there is preferable gas permeability, i.e., low windage needs to consider the size of adsorption particle 2, quantity and strainer ontology The aperture of 1 mesh, so that the adsorption particle 2 for being adsorbed on the filtering area of strainer ontology 1 is as more as possible and will not cover mesh, with Ensure the gas permeability of filter element 100.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace Also it should be regarded as protection scope of the present invention.

Claims (14)

1. a kind of filter element, which is characterized in that including:In the strainer ontology of rugosity, the strainer ontology has for saturating The mesh of gas, filtering area is configured as between the adjacent mesh, and the filtering area is equipped with sorbing material layer.
2. filter element as described in claim 1, which is characterized in that the sorbing material layer is fixed on institute by bonding way It states on filtering area.
3. filter element as claimed in claim 2, which is characterized in that pass through between the sorbing material layer and the filtering area Adhesive sticker or Performance of Pressure Sensitive Adhesive.
4. filter element as described in claim 1, which is characterized in that the sorbing material layer is by being adhered on the filtering area Adsorption particle constitute.
5. filter element as described in claim 1, which is characterized in that the adsorption particle further includes functional additive.
6. filter element as described in claim 1, which is characterized in that the rugosity strainer ontology is in wavy or mountain peak Shape.
7. a kind of production method of filter element, which is characterized in that include the following steps:
Strainer ontology is provided, which has mesh and be configured as filtering area between the adjacent mesh;
By the backfin of strainer ontology to form rugosity;
Sorbing material layer is coated on the filtering area in the strainer ontology of rugosity and makes the strainer coated with the sorbing material layer The mesh of ontology can breathe freely.
8. the production method of filter element according to claim 7, which is characterized in that the strainer sheet in rugosity The step of coating sorbing material layer, includes on the filtering area of body:
Choose adsorption particle;
Adsorption particle is fixed on the filtering area in the strainer ontology of rugosity by bonding way to form sorbing material layer.
9. the production method of filter element as claimed in claim 8, which is characterized in that described that adsorption particle is passed through bonding side Formula is fixed on the filtering area in the strainer ontology of rugosity the step of to form sorbing material layer and includes:
Adhesive sticker is coated on the filtering area in the strainer ontology of rugosity;
Adsorption particle is spread on adhesive sticker.
10. the production method of filter element as claimed in claim 9, which is characterized in that the strainer sheet in rugosity The step of coating adhesive sticker, includes on the filtering area of body:
It is sprayed on the strainer ontology in rugosity or impregnates non-setting adhesive cement to form semi-finished product;
Semi-finished product are dried or are dried to non-setting adhesive cement and are in first valve state.
11. the production method of filter element as claimed in claim 10, which is characterized in that semi-finished product are being dried or are being dried to Non-setting adhesive cement overturns the semi-finished product during being in first valve state.
12. the production method of filter element as claimed in claim 8, which is characterized in that be adhered in folding by adsorption particle After on the filtering area of stacked strainer ontology, the strainer ontology to being bonded with adsorption particle carries out brushing operation, so that adherency is not Firm adsorption particle falls off from strainer ontology.
13. the production method of filter element as claimed in claim 8, which is characterized in that be adhered in folding by adsorption particle The filtering area of stacked strainer ontology is gone forward, by adsorption particle be soaked in functional additive be easy in and drain or dry.
14. the production method of filter element as claimed in claim 7, which is characterized in that it is described by strainer ontology backfin with shape Include at the step of rugosity:
It determines and folds spacing and fold height;
According to the folding spacing and the fold height by strainer ontology backfin.
CN201810134594.3A 2018-02-09 2018-02-09 Filter element and preparation method thereof Pending CN108379961A (en)

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Publication number Priority date Publication date Assignee Title
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CN102548635A (en) * 2009-09-30 2012-07-04 3M创新有限公司 Active-particulate air filter having monolith primary filter and polishing filter
CN105126444A (en) * 2015-06-29 2015-12-09 桐乡市健民过滤材料有限公司 Wide-spectrum type smell-removal filter screen and preparation method thereof
CN107596792A (en) * 2017-11-02 2018-01-19 无锡风正科技有限公司 A kind of reticulated, open taste removal filter screen and its manufacture method

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Application publication date: 20180810