CN114712940B - Air purification filter element material and preparation process thereof - Google Patents
Air purification filter element material and preparation process thereof Download PDFInfo
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- CN114712940B CN114712940B CN202210304697.6A CN202210304697A CN114712940B CN 114712940 B CN114712940 B CN 114712940B CN 202210304697 A CN202210304697 A CN 202210304697A CN 114712940 B CN114712940 B CN 114712940B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0428—Rendering the filter material hydrophobic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0471—Surface coating material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0681—The layers being joined by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention belongs to the field of air purification filter elements, in particular to an air purification filter element material and a preparation process thereof, wherein the air purification filter element material comprises a bottom filter element base layer, an electrostatic adsorption layer, fiber cloth, a glass fiber filter screen and a water nano coating; through the pressing mechanism who sets up, when soaking bottom filter core basic unit, place the inside at soaking the case with bottom filter core basic unit, and fill up water nano coating, cover sealed apron in the tip of soaking the case, forward rotation dwang, two sets of support clamp plates of dwang drive cooperation ring lateral part expand outward, the pressing block pressfitting of support clamp plate bottom is at the both ends of bottom filter core basic unit, soak bottom filter core basic unit lamination into water nano coating, and it is sealed through spacing bolt grafting piece, play the effect of sealing the soaking to bottom filter core basic unit, guarantee the abundant absorption of bottom filter core basic unit to water nano coating, avoid water nano coating extravagant.
Description
Technical Field
The invention relates to the field of air purification filter elements, in particular to an air purification filter element material and a preparation process thereof.
Background
In recent years, the concentration of particulate pollution in the air caused by environmental pollution has become high, and the quality of air purification devices has been widely appreciated.
The air purification filter element material is used as an important part of the air purification device, and is used for filtering and purifying the large and small particles in the air, and the base layer of the air purification filter element material plays a great role in the material.
The base layer of the existing air purification filter element material is found after long-term use, the base layer of the existing air purification filter element material is easy to influence the purification effect after cleaning, and the service life of the base layer is greatly shortened, so that the air purification filter element material and the preparation process thereof are provided for the problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an air purification filter element material and a preparation process thereof, and solves the problems that the base layer of the existing air purification filter element material is easy to influence the purification effect after cleaning and the service life is greatly shortened after long-term use.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an air purification filter element material, which comprises a bottom filter element base layer, an electrostatic adsorption layer, fiber cloth, a glass fiber filter screen and water nano paint; the electrostatic adsorption layer, the fiber cloth, the glass fiber filter screen and the water nano paint are sequentially arranged on the filter element base layer at the bottom; during operation, the air purification filter core material is synthesized by filter core basic unit, static adsorbed layer, fiber cloth, glass fiber filter screen and water nano-paint, through certain coating technology, gives the hydrophobic performance of air purification filter core material, is convenient for wash the reason, improves air purification's effect simultaneously.
Preferably, the bottom filter element base layer is a non-woven fabric of formaldehyde adsorption resin; the thickness of the bottom filter element base layer is 0.1-0.2mm; the formaldehyde adsorption resin non-woven fabric rich in mesoporous and active functional groups has an enrichment function and plays a role in efficient adsorption.
Preferably, the electrostatic adsorption layer is made of PVC material; the thickness of the electrostatic adsorption layer is 0.15-0.25mm; during operation, special PVC materials are utilized to adsorb static electricity, so that the influence of static electricity generated during operation is avoided.
Preferably, the thickness of the fiber cloth is 0.1-0.2mm; the thickness of the glass fiber filter screen is 0.3-0.7mm; when the filter cloth works, the thickness of the used fiber cloth is 0.1-0.2mm, and the fiber cloth is sequentially bonded by matching with a glass fiber filter screen, so that the filter effect is achieved.
Preferably, the water nano-paint is a mixture of polyurethane resin and polyacrylic resin; the thickness of the water nano paint is 0.1-0.2mm; when the waterproof paint is in work, the water nanometer paint mixed by polyurethane resin and polyacrylic resin is coated on the filter element base layer at the bottom, so that the waterproof paint is waterproof, and the service life is prolonged.
The preparation process of the air purification filter element material is suitable for the air purification filter element material; the preparation process comprises the following steps:
s1: firstly, taking out the soaking box 1, cleaning, sterilizing and drying the soaking box 1, wherein the mass ratio is 3:6:10, taking polyurethane resin, polyacrylic resin and water, and uniformly stirring the polyurethane resin, the polyacrylic resin and the water to prepare the water nano-paint;
s2: then pouring the water nano paint into a dried soaking box 1, flatly placing the bottom filter element base layer into the soaking box 1, soaking for 5-10 minutes, and taking out the soaked bottom filter element base layer and standing for 20-40 minutes;
s3: finally, respectively smearing adhesive on the immersed bottom filter element base layer, the electrostatic adsorption layer, the fiber cloth and the glass fiber filter screen in sequence, and sequentially bonding the bottom filter element base layer, the electrostatic adsorption layer, the fiber cloth and the glass fiber filter screen together to manufacture a recovery tool; the bottom filter element base layer is thoroughly soaked by utilizing the method 1, so that the water nano coating is fully soaked in the bottom filter element base layer for combination, an effective protection effect is achieved, water washing resistance is realized, and the purification effect of air filtration is improved by combining fiber cloth with a glass fiber filter screen.
Preferably, a pressing mechanism is arranged on the side wall of the soaking box; the pressing mechanism comprises a sealing cover plate, a connecting block, a rotating rod, a matching ring, a fixing rod, a supporting pressing plate, a pressing block and an auxiliary component; the sealing cover plate is arranged at the end part of the soaking box; the connecting block is fixedly connected to the bottom end of the sealing cover plate; the rotating rod is rotationally connected to the inner side wall of the connecting block and is rotationally connected to the inner side wall of the sealing cover plate; the matching ring is rotationally connected to the side wall of the rotating rod; the fixed rod is fixedly connected to the side wall of the matching ring; the supporting pressing plate is rotationally connected to the side wall of the fixing rod; the pressing block is fixedly connected to the bottom end of the supporting pressing plate; the auxiliary component is arranged on the side wall of the rotating rod; the bottom filter element base layer is pressed into the water nano paint to be fully soaked, and the auxiliary assembly is used for sealing, so that the effect of pressing and soaking the bottom filter element base layer is achieved, and the bottom filter element base layer is ensured to fully absorb the water nano paint.
Preferably, the auxiliary assembly comprises a rotating disc, an inserting block, a limiting bolt, an elastic piece and a water drain valve; the rotating disc is fixedly connected to the end part of the rotating rod; the plug-in block is fixedly connected to the bottom end of the sealing cover plate; the limiting bolt is inserted into the inner side wall of the soaking box; the elastic piece is sleeved on the side wall of the limiting bolt; the water drain valve is fixedly connected to the inner side wall of the soaking box; plays a role in sealing the inside of the soaking box, and avoids the overflow and waste of the water nano-paint.
The invention has the advantages that:
1. according to the invention, through the pressing mechanism, when the bottom filter element base layer is soaked, the bottom filter element base layer is placed in the soaking box and is filled with the water nano paint, the sealing cover plate is covered on the end part of the soaking box, the rotating rod is rotated in the forward direction, the rotating rod drives the two groups of supporting pressing plates on the side part of the matching ring to expand outwards, the pressing blocks at the bottom ends of the supporting pressing plates are pressed at the two ends of the bottom filter element base layer, the bottom filter element base layer is pressed into the water nano paint to be soaked, and the water nano paint is sealed through the limiting plug pin plug-in connection blocks, so that the effect of sealing and soaking the bottom filter element base layer is achieved, the full absorption of the water nano paint by the bottom filter element base layer is ensured, and the overflow waste of the water nano paint is avoided.
2. The invention is formed by combining a bottom filter element base layer, an electrostatic adsorption layer, fiber cloth, a glass fiber filter screen and a water nano coating, and the air purification filter element material is endowed with hydrophobic performance by utilizing a coating soaking process, so that the cleaning and the treatment are convenient, the air purification effect is improved, the base layer of the formaldehyde adsorption resin non-woven fabric has the enrichment and efficient adsorption effects, and the fiber cloth is sequentially bonded by matching with the glass fiber filter screen, so that the filtering effect is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for preparing an air cleaning filter element material according to a first embodiment;
FIG. 2 is a schematic view showing the structure of a soaking tank in the first embodiment;
FIG. 3 is a schematic view of a sealing cover plate structure in accordance with a first embodiment;
FIG. 4 is a schematic view of a mating ring according to a first embodiment;
fig. 5 is a schematic view of a sealing cover plate structure in the second embodiment.
In the figure: 1. a soaking box; 11. sealing the cover plate; 12. a connecting block; 13. a rotating lever; 14. a mating ring; 15. a fixed rod; 16. a support platen; 17. pressing the blocks; 2. a rotating disc; 21. a plug block; 22. a limit bolt; 23. an elastic member; 24. a water drain valve; 3. and (5) pulling the plate by hand.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, an air purifying filter element material comprises a bottom filter element base layer, an electrostatic adsorption layer, fiber cloth, a glass fiber filter screen and water nano paint; the electrostatic adsorption layer, the fiber cloth, the glass fiber filter screen and the water nano paint are sequentially arranged on the filter element base layer at the bottom; during operation, the air purification filter core material is synthesized by filter core basic unit, static adsorbed layer, fiber cloth, glass fiber filter screen and water nano-paint, through certain coating technology, gives the hydrophobic performance of air purification filter core material, is convenient for wash the reason, improves air purification's effect simultaneously.
The bottom filter element base layer is non-woven fabric of formaldehyde adsorption resin; the thickness of the bottom filter element base layer is 0.1-0.2mm; the formaldehyde adsorption resin non-woven fabric rich in mesoporous and active functional groups has an enrichment function and plays a role in efficient adsorption.
The electrostatic adsorption layer is made of PVC material; the thickness of the electrostatic adsorption layer is 0.15-0.25mm; during operation, special PVC materials are utilized to adsorb static electricity, so that the influence of static electricity generated during operation is avoided.
The thickness of the fiber cloth is 0.1-0.2mm; the thickness of the glass fiber filter screen is 0.3-0.7mm; when the filter cloth works, the thickness of the used fiber cloth is 0.1-0.2mm, and the fiber cloth is sequentially bonded by matching with a glass fiber filter screen, so that the filter effect is achieved.
The water nano coating is a mixture of polyurethane resin and polyacrylic resin; the thickness of the water nano paint is 0.1-0.2mm; when the waterproof paint is in work, the water nanometer paint mixed by polyurethane resin and polyacrylic resin is coated on the filter element base layer at the bottom, so that the waterproof paint is waterproof, and the service life is prolonged.
The preparation process of the air purification filter element material is suitable for the air purification filter element material; the preparation process comprises the following steps:
s1: firstly, taking out the soaking box 1, cleaning, sterilizing and drying the soaking box 1, wherein the mass ratio is 3:6:10, taking polyurethane resin, polyacrylic resin and water, and uniformly stirring the polyurethane resin, the polyacrylic resin and the water to prepare the water nano-paint;
s2: then pouring the water nano paint into a dried soaking box 1, flatly placing the bottom filter element base layer into the soaking box 1, soaking for 5-10 minutes, and taking out the soaked bottom filter element base layer and standing for 20-40 minutes;
s3: finally, respectively smearing adhesive on the immersed bottom filter element base layer, the electrostatic adsorption layer, the fiber cloth and the glass fiber filter screen in sequence, and sequentially bonding the bottom filter element base layer, the electrostatic adsorption layer, the fiber cloth and the glass fiber filter screen together to manufacture a recovery tool; the bottom filter element base layer is thoroughly soaked by utilizing the method 1, so that the water nano coating is fully soaked in the bottom filter element base layer for combination, an effective protection effect is achieved, water washing resistance is realized, and the purification effect of air filtration is improved by combining fiber cloth with a glass fiber filter screen.
The side wall of the soaking box 1 is provided with a pressing mechanism; the pressing mechanism comprises a sealing cover plate 11, a connecting block 12, a rotating rod 13, a matching ring 14, a fixed rod 15, a supporting pressing plate 16, a pressing block 17 and an auxiliary component; the sealing cover plate 11 is arranged at the end part of the soaking box 1; the connecting block 12 is fixedly connected to the bottom end of the sealing cover plate 11; the rotating rod 13 is rotatably connected to the inner side wall of the connecting block 12 and is rotatably connected to the inner side wall of the sealing cover plate 11; the matching ring 14 is rotatably connected to the side wall of the rotating rod 13; the fixed rod 15 is fixedly connected to the side wall of the matching ring 14; the supporting pressing plate 16 is rotatably connected to the side wall of the fixed rod 15; the pressing block 17 is fixedly connected to the bottom end of the supporting pressing plate 16; the auxiliary component is arranged on the side wall of the rotating rod 13; during operation, the staff places the inside at soaking case 1 with bottom filter core basic unit to pour into water nano-paint into the inside of soaking case 1, use sealed apron 11 to cover the tip of soaking case 1, forward rotation dwang 13, dwang 13 drives the cooperation ring 14 rotation of lateral wall, cooperation ring 14 slides along with dwang 13 down, drive simultaneously and support clamp plate 16 and warp, utilize dead lever 15 as the fulcrum, expand respectively two sets of pressing block 17, two sets of pressing block 17 laminate the tip pressfitting of bottom filter core basic unit respectively, laminate the bottom filter core basic unit into water nano-paint, make it fully soak, and utilize auxiliary assembly to seal, play the effect of pressing the soaking bottom filter core basic unit, guarantee the abundant absorption of bottom filter core basic unit to water nano-paint.
The auxiliary assembly comprises a rotating disc 2, an inserting block 21, a limiting bolt 22, an elastic piece 23 and a water drain valve 24; the rotating disc 2 is fixedly connected to the end part of the rotating rod 13; the plug-in block 21 is fixedly connected to the bottom end of the sealing cover plate 11; the limiting bolt 22 is inserted into the inner side wall of the soaking box 1; the elastic piece 23 is sleeved on the side wall of the limit plug 22; the water drain valve 24 is fixedly connected to the inner side wall of the soaking box 1; during operation, the sealing cover plate 11 is covered at the end part of the soaking box 1, the inner side wall of the inserting block 21 inserted into the soaking box 1 corresponds to the hole groove, the hand-pulling limiting bolt 22 drives the elastic piece 23 to stretch and bear force, the limiting bolt 22 is loosened after the inserting block 21 is completely inserted into the soaking box 1, the limiting bolt 22 is pulled by the elastic piece 23 to be inserted into the inner side wall of the inserting block 21 to limit, the water drain valve 24 is used for draining nano paint, the rotating disc 2 is used for assisting in rotating the rotating rod 13, the effect of sealing the inside of the soaking box 1 is achieved, and overflow waste of the water nano paint is avoided.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, two sets of hand pulling plates 3 are fixedly connected to the end of the sealing cover plate 11; the hand pulling plate 3 is positioned at the side part of the rotating rod 13; when the water nano-coating is completely soaked on the bottom filter element base layer in operation, a worker dismantles the plugging part of the plugging block 21, pulls the side walls of the two groups of hand pulling plates 3 upwards, takes down the sealing cover plate 11, and makes the soaked bottom filter element base layer stationary to play a role in assisting in taking out the bottom filter element base layer.
The working principle is that when the water nano-coating water tank is in operation, a worker places a bottom filter element base layer in the soaking tank 1, water nano-coating is poured into the soaking tank 1, the end part of the soaking tank 1 is covered by using a sealing cover plate 11, a rotating rod 13 is rotated in the forward direction, the rotating rod 13 drives a matching ring 14 on the side wall to rotate, the matching ring 14 slides downwards along with the rotating rod 13, meanwhile, a supporting pressing plate 16 is driven to tilt, two groups of pressing blocks 17 are respectively expanded by using a fixing rod 15 as a fulcrum, the two groups of pressing blocks 17 are respectively attached to the end part of the bottom filter element base layer to press, the bottom filter element base layer is laminated into the water nano-coating, the water nano-coating water tank is fully soaked, and an auxiliary component is used for sealing, so that the effect of pressing and soaking the bottom filter element base layer is achieved, and the water nano-coating is fully absorbed by the bottom filter element base layer is ensured; the sealing cover plate 11 is covered at the end part of the soaking box 1, the inner side wall of the inserting block 21 inserted into the soaking box 1 corresponds to the hole groove, the hand-pulling limiting plug pin 22 drives the elastic piece 23 to stretch and bear force, the limiting plug pin 22 is loosened after the inserting block 21 is completely inserted into the soaking box 1, the limiting plug pin 22 is pulled by the elastic piece 23 to be inserted into the inner side wall of the inserting block 21 to be limited, the water drain valve 24 is used for draining nano paint, the rotating disc 2 is used for assisting in rotating the rotating rod 13, the effect of sealing the inside of the soaking box 1 is achieved, and overflow waste of the water nano paint is avoided.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (2)
1. The preparation process of the air purification filter element material is suitable for preparing the air purification filter element material and is characterized in that: comprises a bottom filter element base layer, an electrostatic adsorption layer, fiber cloth, a glass fiber filter screen and water nano paint; the electrostatic adsorption layer, the fiber cloth, the glass fiber filter screen and the water nano paint are sequentially arranged on the filter element base layer at the bottom; the bottom filter element base layer is non-woven fabric of formaldehyde adsorption resin; the thickness of the bottom filter element base layer is 0.1-0.2mm; the electrostatic adsorption layer is made of PVC material; the thickness of the electrostatic adsorption layer is 0.15-0.25mm; the thickness of the fiber cloth is 0.1-0.2mm; the thickness of the glass fiber filter screen is 0.3-0.7mm; the water nano coating is a mixture of polyurethane resin and polyacrylic resin; the thickness of the water nano paint is 0.1-0.2mm; the preparation process of the air purification filter element material comprises the following steps:
s1: firstly, taking out the soaking box (1), cleaning, sterilizing and drying the soaking box (1), wherein the mass ratio is 3:6:10, taking polyurethane resin, polyacrylic resin and water, and uniformly stirring the polyurethane resin, the polyacrylic resin and the water to prepare the water nano-paint;
s2: then pouring the water nano paint into a dried soaking box (1), flatly placing the bottom filter element base layer into the soaking box (1), soaking for 5-10 minutes, and taking out the soaked bottom filter element base layer and standing for 20-40 minutes;
s3: finally, respectively smearing adhesive on the immersed bottom filter element base layer, the electrostatic adsorption layer, the fiber cloth and the glass fiber filter screen in sequence, and sequentially bonding the bottom filter element base layer, the electrostatic adsorption layer, the fiber cloth and the glass fiber filter screen together to manufacture a recovery tool;
the side wall of the soaking box (1) is provided with a pressing mechanism; the pressing mechanism comprises a sealing cover plate (11), a connecting block (12), a rotating rod (13), a matching ring (14), a fixing rod (15), a supporting pressing plate (16), a pressing block (17) and an auxiliary assembly; the sealing cover plate (11) is arranged at the end part of the soaking box (1); the connecting block (12) is fixedly connected to the bottom end of the sealing cover plate (11); the rotating rod (13) is rotationally connected to the inner side wall of the connecting block (12) and is rotationally connected to the inner side wall of the sealing cover plate (11); the matching ring (14) is rotationally connected to the side wall of the rotating rod (13); the fixing rod (15) is fixedly connected to the side wall of the matching ring (14); the supporting pressing plate (16) is rotatably connected to the side wall of the fixed rod (15); the pressing block (17) is fixedly connected to the bottom end of the supporting pressing plate (16); the auxiliary component is arranged on the side wall of the rotating rod (13).
2. The process for preparing the air purification filter element material according to claim 1, wherein the process comprises the following steps: the auxiliary assembly comprises a rotating disc (2), a plug block (21), a limiting plug pin (22), an elastic piece (23) and a water drain valve (24); the rotating disc (2) is fixedly connected to the end part of the rotating rod (13); the plug-in block (21) is fixedly connected to the bottom end of the sealing cover plate (11); the limiting bolt (22) is inserted into the inner side wall of the soaking box (1); the elastic piece (23) is sleeved on the side wall of the limit plug pin (22); the water drain valve (24) is fixedly connected to the inner side wall of the soaking box (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210304697.6A CN114712940B (en) | 2022-03-22 | 2022-03-22 | Air purification filter element material and preparation process thereof |
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| CN202210304697.6A CN114712940B (en) | 2022-03-22 | 2022-03-22 | Air purification filter element material and preparation process thereof |
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| CN114712940A CN114712940A (en) | 2022-07-08 |
| CN114712940B true CN114712940B (en) | 2023-09-26 |
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| KR20210106480A (en) * | 2018-12-28 | 2021-08-30 | 주식회사 쿠라레 | Filter for water purification and water purifier using same |
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| US4032457A (en) * | 1975-06-04 | 1977-06-28 | Fibredyne, Inc. | Plural stage filter cartridge wherein at least one stage comprises pulverized particulate material |
| JPH10234835A (en) * | 1997-02-27 | 1998-09-08 | Toshiba Corp | Air purifier |
| CN106076011A (en) * | 2016-07-21 | 2016-11-09 | 陈映飞 | Air purifying filter core |
| CN110180260A (en) * | 2019-05-14 | 2019-08-30 | 中安瑞材(北京)科技有限公司 | A kind of air purifying filter core and preparation method |
| CN215668529U (en) * | 2021-07-12 | 2022-01-28 | 苏州市德赫亚新纺织科技有限公司 | Antibacterial agent soaking device for preparing antibacterial wool fibers |
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| CN114712940A (en) | 2022-07-08 |
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