CN115006926B - Multilayer multi-step type wind bag purifying filter bag - Google Patents
Multilayer multi-step type wind bag purifying filter bag Download PDFInfo
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- CN115006926B CN115006926B CN202210753778.4A CN202210753778A CN115006926B CN 115006926 B CN115006926 B CN 115006926B CN 202210753778 A CN202210753778 A CN 202210753778A CN 115006926 B CN115006926 B CN 115006926B
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- 239000004744 fabric Substances 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 15
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004750 melt-blown nonwoven Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- 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
- B01D46/0001—Making filtering elements
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The utility model provides a multi-layer multi-step formula wind bag purifies filter bag, relates to a filter equipment, a multi-layer multi-step formula wind bag purifies filter bag, and the device includes A layer, B layer, and the bottom of A layer is equipped with B layer, and the inside of A layer is equipped with skeleton A, and skeleton A's bottom is equipped with skeleton B and is sliding connection between the two, and skeleton B establishes the inside at B layer. The device can realize that the folding device is arranged, so that the effect of collecting dust can be increased, the service life is prolonged, the replacement frequency is reduced, and the cost of labor and the like is reduced; meanwhile, the wrinkling device can achieve the purposes of increasing the filtering area and improving the problem of small air quantity in unit time, so that the resistance is small and the energy consumption of the air conditioner is reduced; the device is internally provided with the built-in framework device, is beneficial to freely adjusting the fold type and the length, and can be freely adapted to various use scenes.
Description
Technical Field
The invention relates to a filtering device, in particular to a multi-layer multi-step type wind bag purifying filter bag.
Background
With the progress of electronic technology, electrical equipment is an indispensable living article in life, wherein equipment from electric energy to wind energy is gradually become common auxiliary equipment in daily life, such as dust collectors, air conditioners and the like, and comprises a part of equipment or ventilation equipment which needs to suck wind power for work, the air outlets for heat dissipation and work in the electrical equipment are easy to accumulate air dust after long-term use, the equipment use can be influenced, people can set dust screens or dust cloth at the air outlets, but the dust-proof efficiency of the dust screens is lower, dust with tiny particles cannot be isolated, and the dust cloth is used, so that although the dust-proof efficiency is improved, the service life is not long, the service cost is high, and meanwhile, the dust screens and the part serving as a part of equipment shell cannot be completely cleaned.
Disclosure of Invention
The invention provides a multi-layer multi-step type wind bag purifying filter bag, which solves the problems in the background technology.
The technical problems solved by the invention are realized by adopting the following technical scheme: the utility model provides a multi-layer multi-step wind bag purifies filter bag, the device includes layer A, layer B, and the bottom of layer A is equipped with layer B, and the inside of layer A is equipped with skeleton A, and skeleton A's bottom is equipped with skeleton B and is sliding connection between the two, and skeleton B establishes in the inside of layer B;
the components of the layer A are PP non-woven fabrics and PET hot-rolled non-woven fabrics, and the components of the layer B are components B;
step one, paving a framework B in a die, covering the framework B with raw materials in the component B according to sequential layers, and carrying out composite pressing to form a layer B;
step two, paving the framework A in a mould, covering the framework A with a layer A, and carrying out composite pressing to form a layer B;
step three, the framework A and the framework B are connected in a sliding way, and the layer A is arranged on the surface of the layer B;
step four, adjusting the framework A and the framework B to enable the cloth cover of the layer B to be creased;
and fifthly, consolidating the combination of the layer A and the layer B again, and ensuring that the combination is not easy to separate through compaction operation of hot pressing or ultrasonic indentation molding.
The B layer comprises a cloth body and folds, wherein a plurality of folds are formed in the cloth body, and the folds are V-shaped, water drop-shaped and L-shaped.
The fold include lateral wall, opening and end pocket, lateral wall symmetrical arrangement is on the cloth body, is equipped with the opening and the opening is located the inside of cloth body between the lateral wall, the bottom of lateral wall is equipped with end pocket.
Skeleton A include mobile jib A, mounting A, vice pole A and turn over a subassembly A, skeleton A's inside is equipped with a plurality of mobile jib A, is equipped with a plurality of vice pole A on one side of mobile jib A, is equipped with mounting A on vice pole A's the both ends, mounting A is connected with mobile jib A, mobile jib A between be equipped with turn over a subassembly A, mobile jib A include round bar and slider, the bottom of round bar is equipped with a plurality of slider, is sliding connection between slider and the skeleton B.
Skeleton B include mobile jib B, turn over subassembly B, mounting B and vice pole B, skeleton B's inside is equipped with a plurality of mobile jib B, is equipped with a plurality of vice pole B on one side of mobile jib B, is equipped with mounting B on the both ends of vice pole B, mounting B is connected with mobile jib B, mobile jib B between be equipped with turn over subassembly B, mobile jib B include base and spout, the inside of base is equipped with the spout, be sliding connection between spout and the skeleton A.
The auxiliary rod B comprises a connecting rod A, a rotating body and a connecting rod B, wherein a plurality of connecting rods A are arranged in the auxiliary rod B, the rotating body is arranged at two ends of the connecting rod A, the connecting rod B is arranged at one end of the rotating body, and the other end of the connecting rod B is connected with the fixing piece B.
The folding assembly A and the folding assembly B are identical in structure, the folding assembly B comprises a connecting rod A and a rotating body, the rotating body is arranged at two ends of the connecting rod A, and the other end of the rotating body is connected with the main rod B.
The component B comprises a first layer, a second layer, a third layer and a fourth layer, wherein the weight parts of the components are 2-6 parts of the first layer, 1-5 parts of the second layer, 3-5 parts of the third layer and 1-3 parts of the fourth layer.
The first layer is ES or PP+PET composite non-woven fabric; the second layer is melt-blown non-woven fabric; the third layer is ES or PP+PET composite non-woven fabric; the fourth layer is PP type or PET non-woven fabric.
The combination sequence of the components in the component B comprises the following categories;
class one, first, second, third and fourth layers;
category two, first layer, second layer and third layer;
category three, fourth layer, second layer, and fourth layer;
category four, first layer, second layer;
category five, second tier.
The beneficial effects of the invention are as follows: the folding device is arranged, so that the efficiency of collecting dust can be increased, the service life is prolonged, the replacement frequency is reduced, and the cost of labor and the like is reduced; meanwhile, the wrinkling device can achieve the purposes of increasing the filtering area and improving the problem of small air quantity in unit time, so that the resistance is small and the energy consumption of the air conditioner is reduced; the device is internally provided with the built-in framework device, is beneficial to freely adjusting the fold type and the length, and can be freely adapted to various use scenes.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of layer B of the present invention;
FIG. 3 is a side view of layer B of the present invention;
FIG. 4 is a schematic view of the structure of the pleat of the present invention;
FIG. 5 is a schematic structural view of the skeleton A of the present invention;
fig. 6 is a schematic structural view of the main lever a of the present invention;
FIG. 7 is a schematic structural view of the skeleton B of the present invention;
fig. 8 is a schematic structural view of the main lever B of the present invention;
fig. 9 is a schematic structural view of the auxiliary lever B of the present invention;
fig. 10 is a schematic structural view of a fifth embodiment of the present invention.
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.
Referring to fig. 1 to 9, a multi-layer multi-step type wind bag purifying filter bag comprises an A layer 1 and a B layer 2, wherein the B layer 2 is arranged at the bottom of the A layer 1, a framework A7 is arranged in the A layer 1, a framework B8 is arranged at the bottom of the framework A7 and is in sliding connection with the framework A8, and the framework B8 is arranged in the B layer 2;
the components of the layer A1 are PP non-woven fabrics and PET hot-rolled non-woven fabrics, and the components of the layer B2 are components B;
step one, paving a framework B8 in a mould, covering the framework B8 with raw materials in the component B according to sequential layers, and carrying out composite pressing to form a layer B2;
step two, paving the framework A7 in a mould, covering the framework A7 with the layer A1, and carrying out composite pressing to form a layer B2;
step three, the framework A7 and the framework B8 are connected in a sliding way, and the layer A1 is arranged on the surface of the layer B2;
step four, adjusting the framework A7 and the framework B8 to enable the cloth surface of the layer B8 to be creased;
and fifthly, consolidating the combination of the layer A1 and the layer B2 again, and ensuring that the combination is not easy to separate through compaction operation of hot pressing or ultrasonic indentation molding.
The layer B2 comprises a cloth 201 and folds 202, wherein a plurality of folds 202 are arranged on the cloth 201, and the folds 202 are V-shaped, water drop-shaped and L-shaped.
The fold 202 includes side walls 2020, openings 2021 and a bottom pocket 2022, the side walls 2020 are symmetrically arranged on the cloth 201, the openings 2021 are arranged between the side walls 2020, the openings 2021 are located inside the cloth 201, and the bottom of the side walls 2020 is provided with the bottom pocket 2022.
Skeleton A7 include mobile jib A700, mounting A701, vice pole A702 and turn over a subassembly A703, the inside of skeleton A7 is equipped with a plurality of mobile jib A700, is equipped with a plurality of vice pole A702 on one side of mobile jib A700, is equipped with mounting A701 on the both ends of vice pole A702, mounting A701 is connected with mobile jib A700, mobile jib A700 between be equipped with and turn over a subassembly A703, mobile jib A700 include round bar 7001 and slider 7002, the bottom of round bar 7001 is equipped with a plurality of slider 7002, is sliding connection between slider 7002 and the skeleton B8.
Skeleton B8 include mobile jib B800, turn over subassembly B801, mounting B802 and vice pole B803, the inside of skeleton B8 is equipped with a plurality of mobile jib B800, is equipped with a plurality of vice pole B803 on one side of mobile jib B800, is equipped with mounting B802 on the both ends of vice pole B803, mounting B802 is connected with mobile jib B800, mobile jib B800 between be equipped with turn over subassembly B801, mobile jib B800 include base 8001 and spout 8002, the inside of base 8001 is equipped with spout 8002, be sliding connection between spout 8002 and the skeleton A7.
The auxiliary rod B803 comprises a connecting rod A8030, a rotating body 8031 and a connecting rod B8032, a plurality of connecting rods A8030 are arranged in the auxiliary rod B803, the rotating body 8031 is arranged at two ends of the connecting rod A8030, the connecting rod B8032 is arranged at one end of the rotating body 8031, and the other end of the connecting rod B8032 is connected with the fixing piece B802.
The structure of the folding assembly A703 is the same as that of the folding assembly B801, the folding assembly B801 comprises a connecting rod A8030 and a rotating body 8031, the rotating body 8031 is arranged at two ends of the connecting rod A8030, and the other end of the rotating body 8031 is connected with the main rod B800.
In the use, the device arranges in air intake (air outlet) department through the installation device on the A layer 1, simultaneously with opening 2021 towards one side of air intake (air outlet), after the air conditioner starts, the dust in the operation process atmosphere can get into to the pocket 2022 through opening 2021 and pile up the collection, receive the influence of wind-force, granule on the cloth body 201 also can not adhere on the surface along with the time lapse, unify get into to the pocket 2022 in pile up, owing to increased the dust accumulation region, the use ageing of this filter equipment has been increased, need not the maintenance filter screen, practice thrift use cost, simultaneously according to the required use limit of use scene and user, the fold is V type respectively, water droplet type and L type, wherein the volume of water droplet type is relatively higher.
The shape of fold is V type, water droplet type and L type, and it can rely on skeleton B8 to carry out timely adjustment, comprises a plurality of connecting rod A8032, rotor 8031 and connecting rod B8032 in the auxiliary rod B803, utilizes the centre of a circle of rotor 8031 to rotate between each subassembly, carries out the swing of body of rod, makes it form V type, water droplet type or L type, and wherein, can exist V type, water droplet type and L type simultaneously in the inside of same auxiliary rod B803.
In the above process, except that the layer B2 is folded in the vertical direction, the lengths of the layers a 1 and B2, which are installed at the various air inlets (air outlets) of the folding assembly a703 and the folding assembly B801, are adjusted, that is, the horizontal folds are further improved, the filtering performance is further improved, dust is blocked and collected, and in this process, the framework A7 and the framework B8 are respectively adjusted through the sliding connection of the sliding groove 8002 and the sliding block 7002, so that the device is used more freely.
The component B comprises a first layer 3, a second layer 4, a third layer 5 and a fourth layer 6, wherein the weight parts of the components are 2-6 parts of the first layer 3, 1-5 parts of the second layer 4, 3-5 parts of the third layer 5 and 1-3 parts of the fourth layer 6.
The first layer 3 is ES or PP+PET composite non-woven fabric; the second layer 4 is melt-blown non-woven fabric; the third layer 5 is ES or PP+PET composite non-woven fabric; the fourth layer 6 is a PP or PET non-woven fabric.
The combination sequence of the components in the component B comprises the following categories;
class one, first layer 3, second layer 4, third layer 5, and fourth layer 6;
category two, first layer 3, second layer 4 and third layer 5;
category three, fourth layer 6, second layer 4, fourth layer 6;
category four, first layer 3, second layer 4;
category five, second layer 4.
Example 1
The component B comprises a first layer 3, a second layer 4, a third layer 5 and a fourth layer 6, wherein the weight parts of the components are 2 parts of the first layer 3, 1 part of the second layer 4, 3 parts of the third layer 5 and 1 part of the fourth layer 6.
Example two
The component B comprises a first layer 3, a second layer 4, a third layer 5 and a fourth layer 6, wherein the weight parts of the components are 4 parts of the first layer 3, 3 parts of the second layer 4, 4 parts of the third layer 5 and 2 parts of the fourth layer 6.
Example III
The component B comprises a first layer 3, a second layer 4, a third layer 5 and a fourth layer 6, wherein the weight parts of the components are 6 parts of the first layer 3, 5 parts of the second layer 4, 5 parts of the third layer 5 and 3 parts of the fourth layer 6.
The following methods were employed in the above examples;
firstly, placing the raw materials in the component B according to a sequence level, and performing composite pressing to form a layer B2;
and step two, folding the cloth cover of the B layer 2 after the composite pressing.
Meanwhile, the tests are carried out in the following groups;
class one, first layer 3, second layer 4, third layer 5, and fourth layer 6;
category two, first layer 3, second layer 4 and third layer 5;
category three, fourth layer 6, second layer 4, fourth layer 6;
category four, first layer 3, second layer 4;
category five, second layer 4.
Referring to Table 1 below, the evaluation results were 1-10 minutes, with the overall score comprising the filtration performance and the length of the service life.
| Class one | Class II | Category three | Category four | Category five | |
| Example 1 | 4.9 | 3.8 | 4.4 | 3.0 | 2.0 |
| Example two | 6.2 | 5.5 | 5.8 | 4.9 | 3.0 |
| Example III | 8.0 | 7.5 | 7.8 | 7.0 | 4.0 |
TABLE 1
The following results can be obtained by the three examples, and the formula can obtain the filtering device with the best filtering performance and the longest service life in the combination mode of the third example and the first category
Example five
Referring to fig. 10, according to the use requirement, the filter cloth is pre-pressed on each rod of the framework A7, and after the same is pressed as the framework B8, the filter cloth is connected to form a 'well' -shaped grid, so that the filter cloth can be used as an air filter core, dust particles are adsorbed, the ventilation flow is ensured, and the filter cloth can be universally used for the installation and use requirements of air inlets and air outlets of other equipment.
The device can realize that the folding device is arranged, so that the effect of collecting dust can be increased, the service life is prolonged, the replacement frequency is reduced, and the cost of labor and the like is reduced; meanwhile, the wrinkling device can achieve the purposes of increasing the filtering area and improving the problem of small air quantity in unit time, so that the resistance is small and the energy consumption of the air conditioner is reduced; the device is internally provided with the built-in framework device, is beneficial to freely adjusting the fold type and the length, and can be freely adapted to various use scenes.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a multi-layer multi-step formula wind packet purifies filter bag which characterized in that: the filter bag comprises an A layer (1) and a B layer (2), wherein the B layer (2) is arranged at the bottom of the A layer (1), a framework A (7) is arranged in the A layer (1), a framework B (8) is arranged at the bottom of the framework A (7) and is in sliding connection with the framework A, and the framework B (8) is arranged in the B layer (2);
the components of the layer A (1) are PP non-woven fabrics and PET hot-rolled non-woven fabrics, and the components of the layer B (2) are components B;
the preparation method of the filter bag comprises the following steps of;
firstly, paving a framework B (8) in a mould, covering the framework B (8) with raw materials in a component B according to a sequence level, and carrying out composite pressing to form a B layer (2);
step two, paving the framework A (7) in a mould, covering the framework A (7) with the layer A (1), and carrying out composite pressing to form a layer B (2);
step three, the framework A (7) and the framework B (8) are connected in a sliding way, and the layer A (1) is arranged on the surface of the layer B (2);
step four, adjusting the framework A (7) and the framework B (8) to enable the cloth surface of the layer B (2) to be creased;
fifthly, consolidating the combination of the layer A (1) and the layer B (2) again, and ensuring that the combination is not easy to separate through compaction operation of hot pressing or ultrasonic indentation molding;
the B layer (2) comprises a cloth body (201) and folds (202), wherein a plurality of folds (202) are arranged on the cloth body (201), and the folds (202) are V-shaped, water drop-shaped and L-shaped;
the fold (202) comprises side walls (2020), openings (2021) and bottom pockets (2022), the side walls (2020) are symmetrically arranged on the cloth body (201), the openings (2021) are arranged between the side walls (2020), the openings (2021) are located in the cloth body (201), and the bottom pockets (2022) are arranged at the bottoms of the side walls (2020);
the framework A (7) comprises a main rod A (700), fixing pieces A (701), auxiliary rods A (702) and a turnover assembly A (703), wherein a plurality of main rods A (700) are arranged in the framework A (7), a plurality of auxiliary rods A (702) are arranged on one side of the main rod A (700), the fixing pieces A (701) are arranged at two ends of the auxiliary rods A (702), the fixing pieces A (701) are connected with the main rod A (700), the turnover assembly A (703) is arranged between the main rod A (700), the main rod A (700) comprises round rods (7001) and sliding blocks (7002), a plurality of sliding blocks (7002) are arranged at the bottoms of the round rods (7001), and the sliding blocks (7002) are in sliding connection with the framework B (8);
the framework B (8) comprises a main rod B (800), a turnover assembly B (801), fixing pieces B (802) and auxiliary rods B (803), wherein a plurality of main rods B (800) are arranged in the framework B (8), a plurality of auxiliary rods B (803) are arranged on one side of the main rod B (800), the fixing pieces B (802) are arranged at two ends of the auxiliary rods B (803), the fixing pieces B (802) are connected with the main rod B (800), the turnover assembly B (801) is arranged between the main rod B (800), the main rod B (800) comprises a base (8001) and a sliding groove (8002), the sliding groove (8002) is arranged in the base (8001), and the sliding groove (8002) is in sliding connection with the framework A (7);
the auxiliary rod B (803) comprises a connecting rod A (8030), a rotating body (8031) and a connecting rod B (8032), a plurality of connecting rods A (8030) are arranged in the auxiliary rod B (803), the rotating body (8031) is arranged at two ends of the connecting rod A (8030), the connecting rod B (8032) is arranged at one end of the rotating body (8031), and the other end of the connecting rod B (8032) is connected with the fixing piece B (802).
2. The multi-layer, multi-step wind pack filter bag of claim 1, wherein: the folding assembly A (703) and the folding assembly B (801) are identical in structure, the folding assembly B (801) comprises a connecting rod A (8030) and a rotating body (8031), the rotating body (8031) is arranged at two ends of the connecting rod A (8030), and the other end of the rotating body (8031) is connected with the main rod B (800).
3. The multi-layer, multi-step wind pack filter bag of claim 1, wherein: the component B comprises a first layer (3), a second layer (4), a third layer (5) and a fourth layer (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753778.4A CN115006926B (en) | 2022-06-28 | 2022-06-28 | Multilayer multi-step type wind bag purifying filter bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753778.4A CN115006926B (en) | 2022-06-28 | 2022-06-28 | Multilayer multi-step type wind bag purifying filter bag |
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| CN115006926A CN115006926A (en) | 2022-09-06 |
| CN115006926B true CN115006926B (en) | 2024-01-30 |
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| CN2587495Y (en) * | 2002-06-13 | 2003-11-26 | 罗进南 | Dust capacity large magin raised intermediate and high effcient air filter core and filter paper |
| KR20100030420A (en) * | 2008-09-10 | 2010-03-18 | 한국에너지기술연구원 | Combination type gas filter |
| CN208302537U (en) * | 2018-04-09 | 2019-01-01 | 无锡康博环保科技有限公司 | Infiltration type folding type filter element in a kind of inner joint |
| EP3698861A1 (en) * | 2019-02-23 | 2020-08-26 | Hydac Filtertechnik GmbH | Filter device |
| CN213527639U (en) * | 2020-09-30 | 2021-06-25 | 南京国能环保有限公司 | Multiple-effect combined type filter core |
| CN214389256U (en) * | 2020-12-18 | 2021-10-15 | 深圳市斗方科技有限公司 | Polylactic acid PLA is applied to high-efficient low resistance filtering material |
| CN216653792U (en) * | 2021-12-31 | 2022-06-03 | 四川德胜集团钒钛有限公司 | Collecting cover of bag-type dust collector |
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