CN106512582B - A kind of filter bag and its filtering material can produce anion - Google Patents
A kind of filter bag and its filtering material can produce anion Download PDFInfo
- Publication number
- CN106512582B CN106512582B CN201611258376.8A CN201611258376A CN106512582B CN 106512582 B CN106512582 B CN 106512582B CN 201611258376 A CN201611258376 A CN 201611258376A CN 106512582 B CN106512582 B CN 106512582B
- Authority
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- China
- Prior art keywords
- receiving cavity
- filter bag
- base cloth
- layer
- produce anion
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- 150000001450 anions Chemical class 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 11
- 238000001914 filtration Methods 0.000 title abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 18
- 150000002500 ions Chemical class 0.000 claims abstract description 15
- -1 bag body Chemical class 0.000 claims abstract description 8
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 5
- 239000004917 carbon fiber Substances 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003365 glass fiber Substances 0.000 claims abstract description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 4
- 239000003351 stiffener Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 40
- 239000011797 cavity material Substances 0.000 description 31
- 239000000428 dust Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229910052613 tourmaline Inorganic materials 0.000 description 2
- 229940070527 tourmaline Drugs 0.000 description 2
- 239000011032 tourmaline Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
-
- 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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
-
- 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
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/65—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the sterilisation of air
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Filtering Materials (AREA)
Abstract
The present invention relates to a kind of filter bags that can produce anion, including bag body, the bag body has bottom, the bottom successively includes meeting knoisphere, middle layer and base cloth layer from outside to inside, receiving cavity is provided between the middle layer and base cloth layer, the receiving cavity surface offers air hole, accommodates negative ion powder in the receiving cavity.The technical solution is entered in receiving cavity using inverted draft when being operated using deashing, when inverted draft intermittence generates, receiving cavity will be expanded in clearance layer repeatedly, be shunk, the intracorporal negative ion powder of accommodating chamber enters in bag body under the carrying of air-flow, thus to anion exterminating bacterium is carried out in bag body.The present invention also provides a kind of filtering materials of filter bag, wherein meet knoisphere using polytetrafluoroethylene film, the middle layer is polyester staple fiber and polyester filament is blended forms, and the base cloth layer acts in collusion for glass fibre and carbon fiber.
Description
Technical field
The present invention relates to a kind of filter bag, especially a kind of filter bag that can produce anion；The present invention also provides one kind should
The filtering material of filter bag belongs to environmental protection equipment technical field.
Background technique
Filter bag is the key component in sack cleaner operational process, and usual cylinder type filter bag is vertically hung at deduster
In.The fabric and design of filter bag should pursue high efficiency filter as far as possible, be easy to dust removing and durable effect.In pulse and gas tank
In formula pulse dust collector, dust is attached to the outer surface of filter bag.When dusty gas passes through deduster, dust is trapped in filter bag
Outer surface, and clean gas is entered inside filter bag by filtrate.Skeleton inside filter bag is used to support filter bag, prevents filter bag from collapsing
It falls into.
After prolonged use, dust can be attached to filter bag surface to existing filter bag, under causing dust pelletizing system air quantity significant
Drop, needs timely deashing at this time, and common purge mode mainly uses blowback mode, by the high pressure inverted draft for being used as deashing
It is sent into the filter bag of deduster, at this time the rapid bulging of filter bag, and generates strong shake, the dust on the outside of filter bag is caused to be shaken off, from
And achieve the purpose that deashing.Since filter bag is in filtering link, it may adhere to or breed bacterium, and deashing link is difficult to bacterium
Effectively inhibited, therefore in the service life of filter bag, although can still be filtered operation, filtered dust and gas peace
Full property decreases.
Negative ion powder is the principle that human use's nature generates anion, and artificial synthesized or proportion one kind is multiple
Mineral, typically tourmaline powder+lanthanide series (or rare earth element) are closed, wherein the ratio of rare earth element substantially exceeds
Tourmaline powder, has accounted for 60% or more.Existing negative ion powder is mostly used in Household Air Purifier, in fabric
Although or also have application on other products, be concentrated mainly on home life supplieshome life supplies using upper, such as Patent No.
The 201520303511.0 utility model patent rtificial leather of Spontaneous release anion " a kind of can ", then by rtificial leather
In anion releasing layer is separately provided, improve the sterilization, deodorization and other healthcare functions of leather.
Summary of the invention
To solve problems of the prior art, negative ion powder is applied to industry environmental protection the present invention provides a kind of
Equipment filter bag, specific technical solution are as follows:
A kind of filter bag can produce anion, including bag body, the bag body have bottom, and the bottom is from outside to inside successively
Including meeting knoisphere, middle layer and base cloth layer, receiving cavity, the accommodating chamber body surface are provided between the middle layer and base cloth layer
Face offers air hole, accommodates negative ion powder in the receiving cavity.
As an improvement of the above technical solution, the receiving cavity has front and back, and the air hole is located at the back side
On, the front and interlayer cohesive, the back side and base cloth layer bond.
As an improvement of the above technical solution, the receiving cavity edge is provided with retainer plate.
As an improvement of the above technical solution, the filter bag liner is cased with skeleton, and the skeleton includes multiple circumferentially-spaced
The stock of setting, the long boom end are provided with bottom support ring, and the bottom support ring is corresponded to each other with the bottom of bag body.
As an improvement of the above technical solution, multiple ring stiffeners are provided between the stock, the annular is reinforced
Muscle is parallel to each other with bottom support ring.
As an improvement of the above technical solution, the bottom support ring edge is provided with the sliding connecting with stock fitting
Bar is provided with the spring being looped around on the outside of stock between the sliding bar and neighbouring ring stiffener.
Above-mentioned technical proposal is entered in receiving cavity using inverted draft when being operated using deashing, when inverted draft interval
Property when generating, receiving cavity will be expanded in clearance layer repeatedly, be shunk, and the intracorporal negative ion powder of accommodating chamber is under the carrying of air-flow
It enters in bag body, so as to anion exterminating bacterium is carried out in bag body, beneficial effect is significant.
The present invention also provides a kind of filtering material of above-mentioned filter bag that can produce anion, specific technical solution is as follows:
A kind of filtering material of the above-mentioned filter bag that can produce anion, the knoisphere of meeting are described using polytetrafluoroethylene film
Middle layer is polyester staple fiber and polyester filament is blended forms, the base cloth layer for glass fibre and carbon fiber act in collusion and
At.
As an improvement of the above technical solution, the receiving cavity material is membrane structure made of polyimides.
As an improvement of the above technical solution, it is bonded on base cloth layer after the two side brush conducting resinl of receiving cavity, then
Middle layer is linked with receiving cavity base cloth layer needle thorn is bonded with, will finally meet knoisphere and middle layer hot pressing composite joint.
The effect that knoisphere is met in above-mentioned technical proposal is dust-filtering, and middle layer is more flexible compared with base cloth layer, energy
Enough in deashing link, clearance layer is formed between middle layer and base cloth layer, it is ensured that receiving cavity expands completely, ensure that accommodating chamber
Intracorporal negative ion powder can be taken out of in sufficient expansion, contraction process, with beneficial technical effect and significant real
With value.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the filter bag that can produce anion of the present invention；
Fig. 2 is each schematic diagram of a layer structure of the bottom of filter bag in the present invention；
Fig. 3 is the schematic diagram that the bottom of filter bag in the present invention is opened in receiving cavity；
Fig. 4 is the structural schematic diagram of receiving cavity in the present invention；
Fig. 5 is the structural schematic diagram of the skeleton of filter bag neck bush in the present invention.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention provides a kind of filter bag that can produce anion, including bag body 10,
Bag body 10 has bottom 11, and bottom 11 successively includes meeting knoisphere 111, middle layer 112 and base cloth layer 113, middle layer from outside to inside
It is provided with receiving cavity 20 between 112 and base cloth layer 113,20 surface of receiving cavity offers air hole 221, in receiving cavity 20
Accommodate negative ion powder 24.
Knoisphere 111 is met in above scheme can be using using polytetrafluoroethylene film, and middle layer 112 is polyester staple fiber and wash
The long silk blend of synthetic fibre forms, and base cloth layer 113 is that glass fibre and carbon fiber act in collusion；20 material of receiving cavity is that polyamides is sub-
Membrane structure made of amine can be improved reliability of the receiving cavity 20 in filter bag due to polyimide film good airproof performance；It uses
When, it is bonded on base cloth layer 113 after 20 liang of side brush conducting resinls of receiving cavity, by middle layer 112 and is bonded with 20 base of receiving cavity
113 needle of layer of cloth thorn links, and will finally meet knoisphere 111 and 112 hot pressing composite joint of middle layer.
Further, there is receiving cavity 20 front 21 and the back side 22, air hole 221 to be located on the back side 22, wherein front
21 bond with middle layer 112, and the back side 22 and base cloth layer 113 bond.
There are two types of use states for the filter bag, are filtration condition and deashing state respectively.Under filtration condition, dusty gas warp
By filter bag meet knoisphere 111 enter filter bag in (10 structure of bag body is similar with bottom 11, and only receiving cavity has been lacked in 10 side of bag body
20 structures, this is sentenced for bottom 11), then air-flow arrives at the front 21 of receiving cavity 20, due to no ventilative on front 21
Hole 221, therefore air-flow will compress receiving cavity 20 at flat in Fig. 2, since base cloth layer 113 uses the preferable glass of toughness
Fiber and carbon fiber support, therefore base cloth layer 113 can preferably support receiving cavity 20 under filtration condition, accommodate
The shape retention of cavity 20 is preferable；Under deashing state, high pressure inverted draft is sent in bag body 10, and air-flow passes through base at this time
The back side 22 of receiving cavity 20 is arrived at after layer of cloth 113, since air hole 221 is located on the back side 22, air-flow will be filled into accommodating chamber
It is set to expand structure shown in flare up Fig. 3 in body 20, and due to the terylene material of middle layer 112, in inverted draft
Deformation can be generated and expand outwardly by impacting lower middle layer 112, will generate gap between middle layer 112 and base cloth layer 113 at this time
Layer 114, when high pressure inverted draft intermittence generates, bag body 10 will generate strong shake, and receiving cavity 20 will in clearance layer 114
It expands, shrink repeatedly, the negative ion powder 24 in receiving cavity 20 is entered under the carrying of air-flow in bag body 10, thus to bag
Exterminating bacterium is carried out in body 10, after completing deashing, bag body 10 also completes sterilization operation.
Further, 20 edge of receiving cavity is provided with retainer plate 23, and the effect of the retainer plate 23 is to make receiving cavity 20
It expands, the change that the boundary shape of contraction process is not big.
Further, as shown in figure 5, filter bag liner is cased with skeleton 30, skeleton 30 includes multiple circumferentially spaced
Stock 32,32 end of stock are provided with bottom support ring 31, and bottom support ring 31 is corresponded to each other with the bottom 11 of bag body 10；In order to
The fastness for improving stock 32, can be provided with multiple ring stiffeners 33, ring stiffener 33 and bottom between stock 32
Support ring 31 is parallel to each other, and under filtration condition, stock 32 and bottom support ring 31 are relied primarily on skeleton 30 on the inside of filter bag
Face is effectively supported, due to bottom support ring 31 using penetration type design, in deashing state inverted draft can smoothly into
Enter into bottom 11.
Further, 31 edge of bottom support ring is provided with the sliding bar 34 connecting with 32 fitting of stock, sliding bar 34
The spring 35 for being looped around 32 outside of stock is provided between neighbouring ring stiffener 33.The preferred embodiment provides a kind of clear
When ash manipulation, along with the expansion of bag body 10, the structure that the length of skeleton 30 can moderately be shunk, the contraction structure passes through sliding
Bar 34 realizes that wherein spring 35 then provides certain screen resilience for sliding bar 34, thus in deashing along the opposite sliding of stock 32
Restore skeleton 30 as former state.
The negative ion powder 24 used in above scheme can use negative ion powder in the prior art, can be using special
Benefit number " a kind of slurry that can generate anion, preparation method and its is purified in preparation for 201110154902.7 patent of invention
Application in the filter material of air " (patent be applicant apply and patented power) used in after anion slurry dries
The powder of support, the ingredient for negative ion powder are not protection main points of the invention, and the present invention is directed to negative ion powder 24
For provide a kind of inverted draft when operating using deashing and carry out the structure sterilized in filter bag, therefore can in receiving cavity 20
Other powder body materials for having sterilizing function are added accordingly.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention, all changes and improvements made in accordance with the scope of the present invention should all
It still belongs within covering scope of the present invention.
Claims (8)
1. a kind of filter bag that can produce anion, including bag body (10), the bag body (10) has bottom (11), and feature exists
In the bottom (11) successively includes meeting knoisphere (111), middle layer (112) and base cloth layer (113), the centre from outside to inside
It is provided with receiving cavity (20) between layer (112) and base cloth layer (113), receiving cavity (20) surface offers air hole
(221), negative ion powder (24) are accommodated in the receiving cavity (20)；The receiving cavity (20) has positive (21) and back
Face (22), the air hole (221) are located on the back side (22), and the front (21) and middle layer (112) bond, the back side
(22) it is bonded with base cloth layer (113).
2. a kind of filter bag that can produce anion as described in claim 1, which is characterized in that receiving cavity (20) edge
It is provided with retainer plate (23).
3. a kind of filter bag that can produce anion as claimed in claim 2, which is characterized in that the filter bag liner is cased with skeleton
(30), the skeleton (30) includes multiple circumferentially spaced stocks (32), and stock (32) end is provided with bottom branch
Pushing out ring (31), the bottom support ring (31) correspond to each other with the bottom (11) of bag body (10).
4. a kind of filter bag that can produce anion as claimed in claim 3, which is characterized in that be arranged between the stock (32)
Have multiple ring stiffeners (33), the ring stiffener (33) is parallel to each other with bottom support ring (31).
5. a kind of filter bag that can produce anion as claimed in claim 4, which is characterized in that bottom support ring (31) side
Edge is provided with the sliding bar (34) connecting with stock (32) fitting, the sliding bar (34) and neighbouring ring stiffener (33) it
Between be provided with the spring (35) being looped around on the outside of stock (32).
6. a kind of filter bag that can produce anion as described in claim 1, which is characterized in that described to meet knoisphere (111) use
Polytetrafluoroethylene film, the middle layer (112) are polyester staple fiber and polyester filament is blended forms, and the base cloth layer (113) is
Glass fibre and carbon fiber act in collusion.
7. a kind of filter bag that can produce anion as claimed in claim 6, which is characterized in that receiving cavity (20) material
For membrane structure made of polyimides.
8. a kind of filter bag that can produce anion as claimed in claim 7, which is characterized in that receiving cavity (20) two sides
It is bonded in after brush conducting resinl on base cloth layer (113), then by middle layer (112) and is bonded with receiving cavity (20) base cloth layer
(113) needle thorn links, and will finally meet knoisphere (111) and middle layer (112) hot pressing composite joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258376.8A CN106512582B (en) | 2016-12-30 | 2016-12-30 | A kind of filter bag and its filtering material can produce anion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258376.8A CN106512582B (en) | 2016-12-30 | 2016-12-30 | A kind of filter bag and its filtering material can produce anion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106512582A CN106512582A (en) | 2017-03-22 |
| CN106512582B true CN106512582B (en) | 2019-05-17 |
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ID=58336068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611258376.8A Active CN106512582B (en) | 2016-12-30 | 2016-12-30 | A kind of filter bag and its filtering material can produce anion |
Country Status (1)
| Country | Link |
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| CN (1) | CN106512582B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744721A (en) * | 2018-06-26 | 2018-11-06 | 江苏宏泰纤维科技有限公司 | A kind of terylene needled filtering felt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389704Y (en) * | 1999-07-16 | 2000-08-02 | 莱州市活性碳纤维厂 | Air purifying filter mesh |
| CN1332643A (en) * | 1998-11-03 | 2002-01-23 | 皮埃尔·梅西耶 | biological air filter |
| CN101664623A (en) * | 2009-09-25 | 2010-03-10 | 合肥工业大学 | Ultrafine particle deduster |
| CN202264460U (en) * | 2011-09-09 | 2012-06-06 | 安徽省利特环保技术有限公司 | Fabric for generating negative ion |
| CN206366261U (en) * | 2016-12-30 | 2017-08-01 | 安徽省利特环保技术有限公司 | A kind of filter bag for producing anion |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5784714A (en) * | 1980-11-13 | 1982-05-27 | Taiyo Chuki Kk | Dust collector |
-
2016
- 2016-12-30 CN CN201611258376.8A patent/CN106512582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332643A (en) * | 1998-11-03 | 2002-01-23 | 皮埃尔·梅西耶 | biological air filter |
| CN2389704Y (en) * | 1999-07-16 | 2000-08-02 | 莱州市活性碳纤维厂 | Air purifying filter mesh |
| CN101664623A (en) * | 2009-09-25 | 2010-03-10 | 合肥工业大学 | Ultrafine particle deduster |
| CN202264460U (en) * | 2011-09-09 | 2012-06-06 | 安徽省利特环保技术有限公司 | Fabric for generating negative ion |
| CN206366261U (en) * | 2016-12-30 | 2017-08-01 | 安徽省利特环保技术有限公司 | A kind of filter bag for producing anion |
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| CN106512582A (en) | 2017-03-22 |
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