CN108554011A - A kind of industry environmental protection dedusting filtering bag - Google Patents
A kind of industry environmental protection dedusting filtering bag Download PDFInfo
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- CN108554011A CN108554011A CN201810427242.7A CN201810427242A CN108554011A CN 108554011 A CN108554011 A CN 108554011A CN 201810427242 A CN201810427242 A CN 201810427242A CN 108554011 A CN108554011 A CN 108554011A
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- layer
- filter layer
- high temperature
- temperature resistant
- metal sleeve
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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
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The present invention discloses a kind of industry environmental protection dedusting filtering bag, metal sleeve, middle part high temperature resistant filter layer including innermost layer and external blended filter layer, high temperature resistant filter layer is set on the metal sleeve of internal layer, blended filter layer is set on high temperature resistant filter layer, metal sleeve head is there are ventilation hole, and there are ventilation slots for side wall；High temperature resistant filter layer includes base cloth layer and is separately positioned on the wearing layer on base cloth layer two sides and meets knoisphere, the wearing layer is made of alkali-free glass fibre, the knoisphere of meeting is made of Fanglun 1313, meeting the dust-collecting face of knoisphere also needle thorn has one layer of Xuan Wu rock web, wearing layer and meets knoisphere and is connect respectively with base cloth layer by needle thorn.Dedusting filtering bag inner layer metal sleeve of the present invention, which has, to be eliminated electrostatic, is provided simultaneously with superior high temperature resistant and corrosion resistance, the ventilation hole on metal sleeve head and the ventilation slot of side wall contribute to the change of gas wind direction, conducive to gas filtration resistance is reduced, efficiency of dust collection is improved.
Description
Technical field
The present invention relates to a kind of industry environmental protection dedusting filtering bags, belong to industrial dedusting device field.
Background technology
In fields such as cement, steel, petrochemical industries, need to be filtered processing to dust or smog in production process,
Dedusting filtering bag is a kind of efficient dedusting filtrate, has venting capability good, high dust collection efficiency, and have it is certain acidproof, it is alkaline-resisting
And temperature capacity, polygon napping is used during braiding, improves fabric thickness, high resilience, dust removing effects are very good, remove
Dirt rate is up to 99.99%.Dedusting filtering bag is to take terylene short fiber or long fibre for raw material, and service life is usually glass fibre
4~6 times of fabric have good gas permeability, and dust collection efficiency is high, holds deashing, efficiency of dust collection is up to 98.99%.Currently, industrial filter bag
Need to be fixed by external holder, installation and removal process is complicated, influences to produce more.
Invention content
Goal of the invention：The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of dismounted
Simple rapid, high dust collection efficiency the infant industry Environmental-protecting dust-removing filter bag of journey.
In order to solve the above-mentioned technical problem, the invention discloses a kind of industry environmental protection dedusting filtering bag, include the gold of innermost layer
Belong to sleeve, middle part high temperature resistant filter layer and external blended filter layer；The high temperature resistant filter layer is set in the metal sleeve of internal layer
On, the blended filter layer is set on high temperature resistant filter layer；The metal sleeve head is there are ventilation hole, and there are ventilations for side wall
Slot；
The high temperature resistant filter layer includes base cloth layer and is separately positioned on the wearing layer on base cloth layer two sides and meets knoisphere, institute
It states wearing layer to be made of alkali-free glass fibre, thickness is 1~1.5mm, and the knoisphere of meeting is by poly fibre
Dimension is made, and thickness is 1~2mm, and the dust-collecting face also needle thorn for meeting knoisphere has one layer of Xuan Wu rock web, wearing layer to distinguish with knoisphere is met
It is pierced by needle and is connect with base cloth layer.
Metal sleeve can be used as holder first, support external high temperature resistant filter layer and blended filter layer, secondly as
It is conductive metallic material, and the electrostatic charged on dust can be conducted and eliminated in time, be provided simultaneously with superior high temperature resistant and
Corrosion resistance；The ventilation hole on metal sleeve head and the ventilation slot of side wall contribute to the change of gas wind direction, to vertically blow
To high temperature resistant filter layer and blended filter layer, gas filtration resistance is advantageously reduced, improves efficiency of dust collection.The upper and lower surface of base fabric
By the way that wearing layer is arranged and meets knoisphere to extend the service life of filtrate, the continuous work of Fanglun 1313
Temperature can reach 300 DEG C or so, better than conventional synthetic fibers and polytetrafluoroethylene fibre etc., meet the dust-collecting face needle thorn of knoisphere
Xuan Wu rock web can take the lead in contact high-temperature gas, play the role of support and protection base fabric.
It, will be in metal sleeve by vibration it is possible to further which vibrating device is arranged on the inner wall of metal sleeve head
Dust is discharged, and is cleared up convenient for the ash discharge of filter bag.
The high temperature resistant filter layer is fixed on metal sleeve air inlet end by interior anchor ear, and the blended filter layer passes through outer
Anchor ear is fixed on metal sleeve air inlet end；Using easy-to-mount anchor ear mounting structure, shortens high temperature resistant filter layer and mix
The replacing construction of filter layer is spun, industrial production efficiency is improved.
Preferably, the high temperature resistant filter layer and blended filter layer are accordion, to increase dusty gas and filtering
The contact area of layer, adsorbs dust to the greatest extent.
The high temperature resistant filter layer base fabric is formed by warp and weft knitmesh, and the warp is by polytetrafluoroethylene fibre and oxygen
Change the twisting Split Down of zirconium fiber to weave, the weft is woven by polyimide fiber and quartz fibre twisting Split Down, is gathered
Tetrafluoroethylene fiber and polyimide fiber are heat-resisting, wear-resisting, corrosion-resistant, are to make the ideal material of base fabric, while it is inorganic to arrange in pairs or groups
High-temperature-reszirconium zirconium oxide fiber and quartz fibre can greatly improve performance of the base fabric under high temperature acid or alkali environment, without increasing
Add special high-temperature-resistant layer, reduce the thickness of filter cloth, is convenient for the raising of efficiency of dust collection.
Further, high temperature resistant filter layer base fabric microwave curing after immersion liquid is handled is molded, and immersion liquid by pressing weight below
Measure the component composition of part meter：20~35 parts of polyurethane, 20~40 parts of organic siliconresin, perfluor alkyl ethyl acrylate 10~20
Part, 5~7 parts of activated carbon, 3~5 parts of magnesium hydroxide, 2~4 parts of antimony oxide, 5~8 parts of tert-butyl hydroquinone derivative, silicone oil 10
~15 parts, polyurethane and organic siliconresin can form a film in fiber surface, to improve the comprehensive performance of fiber surface；Perfluoroalkyl
Ethyl propylene acid esters is as fluorine-containing surfactant, and molecule hydrophobic side is adsorbed in fiber surface, hydrophilic radical pointing space,
Polar interfacial is formed, the hydrone in air is adsorbed, reduces the surface specific resistance of fiber or fabric, accelerated charge loss；Activity
The addition of charcoal increases the absorption dust ability of fiber surface；Magnesium hydroxide and antimony oxide are as fire retardant；Tert-butyl hydroquinone
Derivative (DTBHO) is used as antioxidant；Silicone oil is then used as efficient crosslinking agent.
The temperature of the high temperature resistant filter layer base fabric immersion liquid processing is 40~60 DEG C, and the time is 3~6h, preferably 50 DEG C heat preservations
5h, immersion liquid are handled to increase the comprehensive performance of fiber surface；The heating power of the microwave is 1~2KW, and the time is 30~50s,
Film-forming non-uniform phenomenon in fiber inside and outside caused by microwave heating solidification can effectively avoid traditional water from steaming or dry, together
Shi Tigao production efficiencys.
The blended filter layer is that terylene and polypropylene fibre blending woven form, and to reduce gas filtration resistance, is conducive to ventilation.
Advantageous effect：
1, the application dedusting filtering bag is made of inner layer metal sleeve, middle part high temperature resistant filter layer and external blended filter layer,
Each section is fixed by anchor ear, is convenient for the dismounting and replacement of filter bag, improves industrial production efficiency；
2, the application dedusting filtering bag is had by inner layer metal sleeve eliminates electrostatic, is provided simultaneously with superior high temperature resistant and anti-corruption
Corrosion energy, the ventilation hole on metal sleeve head and the ventilation slot of side wall contribute to the change of gas wind direction, resistance to vertically blow to
High temperature filtration layer and blended filter layer advantageously reduce gas filtration resistance, improve efficiency of dust collection；
3, the application high temperature resistant filter layer base fabric weaves networking using organic fiber and the twisting Split Down of inorganic high-temperature resistant fiber
It forms, there is good flexibility and high temperature resistance, meet the use under high-temperature corrosion environment, used after base fabric immersion liquid processing
Microwave heating curing molding, can be heating and curing resin from inside to outside, keep fiber surface film forming uniform, accelerated charge loss carries
High surface comprehensive performance；
4, high temperature resistant filter layer of the present invention by base cloth layer, wearing layer and is met knoisphere and is formed, and the dust-collecting face needle thorn for meeting knoisphere has
One layer of Xuan Wu rock web, can take the lead in contact high-temperature gas, play the role of support and protection base fabric, further promote filter
The tolerable temperature of cloth, prolongs the service life.
Description of the drawings
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, of the invention is above-mentioned
And/or otherwise advantage will become apparent.
Fig. 1 is the overall structure diagram of industry environmental protection dedusting filtering bag of the present invention.
Specific implementation mode
According to following embodiments, the present invention may be better understood.
Embodiment 1
As shown in Figure 1, the industry environmental protection dedusting filtering bag includes the metal sleeve 1 of innermost layer, 2 and of middle part high temperature resistant filter layer
External blended filter layer 3, high temperature resistant filter layer 2 are fixed on 1 air inlet end of metal sleeve, blended filter layer 3 by interior anchor ear 51
It is fixed on 1 air inlet end of metal sleeve by outer anchor ear 52,1 head of metal sleeve is there are ventilation hole 11, and there are ventilation slots for side wall
12, vibrating device 4 is provided on 1 head inner wall of metal sleeve.
High temperature resistant filter layer 2 is arc-shaped fold, and blended filter layer 3 uses step-like fold, has certain anti-shape
Change ability, avoiding heaving under large wind makes fold flatten, and blended filter layer is formed by terylene and polypropylene fibre blending woven.
2 base fabric of high temperature resistant filter layer is formed by warp and weft knitmesh, and warp is 7 by volume ratio:3 polytetrafluoroethylene fibres
It is woven with Zirconium oxide fibre twisting Split Down, line footpath is 0.2~0.3mm；Weft is 7 by volume ratio:3 polyimide fibers and
Quartz fibre twisting Split Down weaves, and line footpath is 0.2~0.3mm；Base fabric warp density is 18~24/cm, weft density
For 12~18/cm.
Base fabric after the netting microwave curing after immersion liquid is handled is molded, by 30 parts of polyurethane, 35 parts of organic siliconresin, entirely
15 parts of fluoroalkyl ethyl propylene acid esters, 6 parts of activated carbon, 4 parts of magnesium hydroxide, 3 parts of antimony oxide, tert-butyl hydroquinone derivative
(DTBHO) 7 parts, 14 parts of silicone oil is mixed evenly, and is heated to 50 DEG C and keeps the temperature, and base fabric, which is then carried out immersion liquid, handles 5h, takes
Go out the base fabric after immersion liquid, heating 40s curing moldings are carried out in 2KW as in microwave；In the base fabric upper and lower surface point that solidification obtains
Safety pin pierces the wearing layer made of alkali-free glass fibre (thickness is 1~1.5mm) and by Fanglun 1313
It is manufactured to meet knoisphere (thickness is 1~2mm), then one layer of (every square metre of Xuan Wu rock web is pierced in the dust-collecting face needle for meeting knoisphere
Weight be 200~400g), obtain high temperature resistant filter layer 2.
In use, being connect with equipment exhaust outlet by the screw thread of 1 air inlet of metal sleeve, then reinforce, passes through interior armful
It binds round 51 and fixes high temperature resistant filter layer 2, then fix blended filter layer 3 by outer anchor ear 52 to start dedusting work；When deashing, first
Vibrating device 4 is opened, the dust in metal sleeve 1 is shaken off down, then replaces high temperature resistant filter layer 2 and blended filter layer 3.
Embodiment 2
Warp is 8 by volume ratio:2 polytetrafluoroethylene fibres and Zirconium oxide fibre twisting Split Down weave, line footpath 0.2
~0.3mm；Weft is 7 by volume ratio:3 polyimide fibers and quartz fibre twisting Split Down weave, line footpath be 0.2~
0.3mm；Base fabric warp density is 18~24/cm, and weft density is 12~18/cm；
Base fabric will be obtained after warp and weft knitmesh, by 35 parts of polyurethane, 40 parts of organic siliconresin, perfluor alkyl ethide third
20 parts of olefin(e) acid ester, 7 parts of activated carbon, 5 parts of magnesium hydroxide, 4 parts of antimony oxide, 8 parts of tert-butyl hydroquinone derivative (DTBHO), silicon
15 parts of oil is mixed evenly, and is heated to 60 DEG C and keeps the temperature, and base fabric, which is carried out immersion liquid, handles 3h, takes out the base fabric after immersion liquid, until
In microwave heating 30s curing moldings are carried out in 2KW；In the base fabric upper and lower surface difference needle thorn that solidification obtains by alkali-free glass fibre
Wearing layer (thickness be 1~1.5mm) made of dimension and knoisphere is met made of Fanglun 1313 (thickness is
1~2mm), one layer of Xuan Wu rock web (every square metre of weight is 200~400g) then is pierced in the dust-collecting face needle for meeting knoisphere,
High temperature resistant filter layer 2 is obtained, is combined with metal sleeve 1 and external blended filter layer 3 according to 1 same arrangement of embodiment
To dedusting filtering bag.
Comparative example 1
Warp is 7 by volume ratio:3 polytetrafluoroethylene fibres and Zirconium oxide fibre twisting Split Down weave, line footpath 0.2
~0.3mm；Weft is 7 by volume ratio:3 polyimide fibers and quartz fibre twisting Split Down weave, line footpath be 0.2~
0.3mm；Base fabric warp density is 18~24/cm, and weft density is 12~18/cm；
Base fabric will be obtained after warp and weft knitmesh, be not necessarily to immersion liquid curing process, directly distinguishes needle in base fabric upper and lower surface
It pierces the wearing layer made of alkali-free glass fibre (thickness is by 1~1.5mm) and is made of Fanglun 1313
Meet knoisphere (thickness be 1~2mm), then pierce one layer of Xuan Wu rock web (every square metre of weight in the dust-collecting face needle for meeting knoisphere
Amount is 200~400g) it is used as high temperature resistant filter layer 2, it is mixed according to 1 same arrangement of embodiment and metal sleeve 1 and outside
It spins the combination of filter layer 3 and obtains dedusting filtering bag.
Comparative example 2
Warp is 7 by volume ratio:3 polytetrafluoroethylene fibres and Zirconium oxide fibre twisting Split Down weave, line footpath 0.2
~0.3mm；Weft is 7 by volume ratio:3 polyimide fibers and quartz fibre twisting Split Down weave, line footpath be 0.2~
0.3mm；Base fabric warp density is 18~24/cm, and weft density is 12~18/cm；
To obtain base fabric after warp and weft knitmesh, then through 1 identical immersion liquid of embodiment processing after as baking oven in 50
Then DEG C heating, drying 25 minutes pierces the (thickness 1 of the wearing layer made of alkali-free glass fibre in base fabric upper and lower surface difference needle
~1.5mm) and knoisphere (thickness is 1~2mm) is met made of Fanglun 1313, then meeting knoisphere
Dust-collecting face needle pierces one layer of Xuan Wu rock web (every square metre of weight is 200~400g) and obtains high temperature resistant filter layer 2, according to reality
1 same arrangement of example is applied to combine to obtain dedusting filtering bag with metal sleeve 1 and external blended filter layer 3.
Comparative example 3
Warp is 7 by volume ratio:3 polytetrafluoroethylene fibres and Zirconium oxide fibre twisting Split Down weave, line footpath 0.2
~0.3mm；Weft is 7 by volume ratio:3 polyimide fibers and quartz fibre twisting Split Down weave, line footpath be 0.2~
0.3mm；Base fabric warp density is 18~24/cm, and weft density is 12~18/cm；
Base fabric will be obtained after warp and weft knitmesh, the base after then taking out immersion liquid after 1 identical immersion liquid of embodiment processing
Cloth, carries out heating 30s curing moldings in 2KW as in microwave, obtains high temperature resistant filter layer 2, is similarly arranged according to embodiment 1
Mode combines to obtain dedusting filtering bag with metal sleeve 1 and external blended filter layer 3.
Comparative example 4
High temperature resistant filter layer 2 and external blended filter layer 3 are prepared according to 1 mode of embodiment, then by high temperature resistant filter layer 2
It is used as dedusting filtering bag with the external blended combination of filter layer 3, is not necessarily to metal sleeve 1.
Table 1 is Examples 1 and 2 and the measurement data of 1 to 4 dedusting filtering bag of comparative example in actual operation, it is seen that the present invention
Dedusting filtering bag high temperature resistant and antistatic performance are notable, and exhaust gas dust discharge capacity is controlled in 15mg/m3Hereinafter, after base fabric immersion liquid processing
Heated by microwave cures, and properties are highly improved.
Table 1
The above comparative example shows that the present invention by the way that metal sleeve is arranged, can significantly reduce air filter resistance, carry
High filtration effect, the filter cloth being prepared can greatly promote performance, the perfluoroalkyl second especially in immersion liquid after carrying out immersion liquid processing
Base acrylate there is remarkable result, surface-active action to be conducive to antioxidant in immersion liquid the raising of base fabric antistatic performance
With the dispersion of fire retardant, to be uniformly adhered to the surface of fiber.In addition the present invention breaks traditional fibre immersion liquid drying process
The method that method preferentially uses microwave express delivery drying, is greatly improved while be heating and curing drying efficiency, improves immersion liquid and is filtering
Various performances on cloth achieve apparent unexpected technique effect.In base fabric upper and lower surface difference needle thorn by alkali-free glass
Wearing layer made of fiber and knoisphere is met made of Fanglun 1313, significantly improve the wear-resisting of filtrate
Performance and operating temperature, service life at least extend twice.
The present invention provides a kind of thinking and method of industry environmental protection dedusting filtering bag, the method for implementing the technical solution
It is many with approach, the above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill of the art
For personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.All undefined components in this embodiment can be implemented in the prior art.
Claims (8)
1. a kind of industry environmental protection dedusting filtering bag, which is characterized in that metal sleeve (1), the filtering of middle part high temperature resistant including innermost layer
Layer (2) and external blended filter layer (3)；The high temperature resistant filter layer (2) is set on the metal sleeve (1) of internal layer, described mixed
Filter layer (3) is spun to be set on high temperature resistant filter layer (2)；Metal sleeve (1) head there are ventilation hole (11), side wall there are
Ventilation slot (12).
The high temperature resistant filter layer (2) includes base cloth layer and is separately positioned on the wearing layer on base cloth layer two sides and meets knoisphere, institute
It states wearing layer to be made of alkali-free glass fibre, thickness is 1~1.5mm, and the knoisphere of meeting is by poly fibre
Dimension is made, and thickness is 1~2mm, and the dust-collecting face also needle thorn for meeting knoisphere has one layer of Xuan Wu rock web, wearing layer to distinguish with knoisphere is met
It is pierced by needle and is connect with base cloth layer.
2. a kind of industry environmental protection dedusting filtering bag according to claim 1, which is characterized in that metal sleeve (1) head
Vibrating device (4) is provided on inner wall.
3. a kind of industry environmental protection dedusting filtering bag according to claim 1 or 2, which is characterized in that the high temperature resistant filter layer
(2) metal sleeve (1) air inlet end is fixed on by interior anchor ear (51)；The blended filter layer (3) is solid by outer anchor ear (52)
Due to metal sleeve (1) air inlet end.
4. a kind of industry environmental protection dedusting filtering bag according to claim 3, which is characterized in that the high temperature resistant filter layer (2)
It is accordion with blended filter layer (3).
5. a kind of industry environmental protection dedusting filtering bag according to claim 4, which is characterized in that the high temperature resistant filter layer (2)
Base fabric is formed by warp and weft knitmesh, the warp by polytetrafluoroethylene fibre and Zirconium oxide fibre twisting Split Down braiding and
At the weft is woven by polyimide fiber and quartz fibre twisting Split Down.
6. according to a kind of industry environmental protection dedusting filtering bag described in claim 1 to 5, which is characterized in that the high temperature resistant filter layer
(2) base fabric microwave curing after immersion liquid is handled is molded, and immersion liquid is made of following component by weight：Polyurethane 20~35
Part, 20~40 parts of organic siliconresin, 10~20 parts of perfluor alkyl ethyl acrylate, 5~7 parts of activated carbon, magnesium hydroxide 3~5
Part, 2~4 parts of antimony oxide, 5~8 parts of tert-butyl hydroquinone derivative, 10~15 parts of silicone oil.
7. a kind of industry environmental protection dedusting filtering bag according to claim 6, which is characterized in that the high temperature resistant filter layer (2)
The temperature of base fabric immersion liquid processing is 40~60 DEG C, and the time is 3~6h；The heating power of the microwave is 1~2KW, time 30
~50s.
8. a kind of industry environmental protection dedusting filtering bag according to claim 4, which is characterized in that the blended filter layer (3) is
Terylene and polypropylene fibre blending woven form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427242.7A CN108554011A (en) | 2018-05-07 | 2018-05-07 | A kind of industry environmental protection dedusting filtering bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427242.7A CN108554011A (en) | 2018-05-07 | 2018-05-07 | A kind of industry environmental protection dedusting filtering bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108554011A true CN108554011A (en) | 2018-09-21 |
Family
ID=63538168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810427242.7A Pending CN108554011A (en) | 2018-05-07 | 2018-05-07 | A kind of industry environmental protection dedusting filtering bag |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908826A (en) * | 2012-09-29 | 2013-02-06 | 西安热工研究院有限公司 | Regeneration filter element and novel hole-layout filter element inner barrel for electric oil |
| CN203842428U (en) * | 2014-05-27 | 2014-09-24 | 重庆邦瑞建筑保温工程有限公司 | Filter bag assembly |
| CN104258645A (en) * | 2014-09-28 | 2015-01-07 | 滁州友林科技发展有限公司 | Dustproof filtering bag |
| CN206366263U (en) * | 2016-12-30 | 2017-08-01 | 安徽省利特环保技术有限公司 | A kind of graphene Modified filter bag |
-
2018
- 2018-05-07 CN CN201810427242.7A patent/CN108554011A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908826A (en) * | 2012-09-29 | 2013-02-06 | 西安热工研究院有限公司 | Regeneration filter element and novel hole-layout filter element inner barrel for electric oil |
| CN203842428U (en) * | 2014-05-27 | 2014-09-24 | 重庆邦瑞建筑保温工程有限公司 | Filter bag assembly |
| CN104258645A (en) * | 2014-09-28 | 2015-01-07 | 滁州友林科技发展有限公司 | Dustproof filtering bag |
| CN206366263U (en) * | 2016-12-30 | 2017-08-01 | 安徽省利特环保技术有限公司 | A kind of graphene Modified filter bag |
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Application publication date: 20180921 |
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