CN106512581A - Graphene modified filter bag and filtering material thereof - Google Patents

Graphene modified filter bag and filtering material thereof Download PDF

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Publication number
CN106512581A
CN106512581A CN201611256525.7A CN201611256525A CN106512581A CN 106512581 A CN106512581 A CN 106512581A CN 201611256525 A CN201611256525 A CN 201611256525A CN 106512581 A CN106512581 A CN 106512581A
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CN
China
Prior art keywords
bar
filter bag
bag
layer
modified filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611256525.7A
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Chinese (zh)
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CN106512581B (en
Inventor
朱长效
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ANHUI LITE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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ANHUI LITE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Priority to CN201611256525.7A priority Critical patent/CN106512581B/en
Publication of CN106512581A publication Critical patent/CN106512581A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001Making filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065More than one layer present in the filtering material

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)

Abstract

The invention relates to a graphene modified filter bag. The graphene modified filter bag includes a bag body, the bag body includes a dust facing layer, a middle layer and a base cloth layer in sequence from outside to inside, a woven mesh layer is arranged between the middle layer and the base cloth layer, the woven mesh layer includes warp strips and weft strips, the warp strips and the weft strips are intertwined and woven into a mesh shape, the warp strips are made by intertwining graphene fibers, the weft strips are made by intertwining polyurethane elastic fibers, strip-type liner sheets are arranged between the adjacent weft strips, the strip-type liner sheets are of a hollow structure, and anion powder are contained in the strip-type liner sheets. Due to the arrangement of the woven mesh layer, on one hand, the toughness of the bag body is improved, on the other hand, the shape restoring ability of the bag body is improved, that is, the bag body can restore its original shape after its surface wrinkles in filtering. The invention further provides a filtering material of the graphene modified filter bag.

Description

A kind of Graphene Modified filter bag and its filtering material
Technical field
The present invention relates to a kind of Graphene Modified filter bag, and the filtering material of the Graphene Modified filter bag, belong to environmental protection Equipment technology field.
Background technology
Filter bag is the key component in sack cleaner running, and usual cylinder type filter bag is vertically hung at cleaner unit In.The fabric of filter bag and design should be pursued high efficiency filter as far as possible, be easy to dust stripping and effect durable in use.In pulse and gas tank In formula pulse dust collector, dust is attached to the outer surface of filter bag.When cleaner unit, dust is trapped in filter bag to dusty gas Outer surface, and clean gas by filtrate enter filter bag inside.Skeleton inside filter bag is used for supporting filter bag, prevents filter bag from collapsing Fall into.
After a long time use, dust can be attached to filter bag surface to existing filter bag, under causing dust pelletizing system air quantity notable Drop, now needs timely deashing, and common purge mode mainly adopts blowback mode, by the high pressure inverted draft as deashing Send in the filter bag of cleaner unit, now the rapid tympanites of filter bag, and produce strong shake, cause the dust on the outside of filter bag to be shaken off, from And reach the purpose of deashing.As filter bag is filtering link, may adhere to or breed bacteria, and deashing link is difficult to antibacterial Effectively suppressed, therefore in the usage cycles of filter bag, although filter operation can be still carried out, but the dust and gas after filtering are pacified Full property decreases.
Negative ion powder, is that one kind of the principle of human use's nature generation anion, synthetic or proportioning is multiple Close mineral, typically all tourmaline powder+lanthanide series(Or rare earth element), the ratio of its rare earth elements substantially exceeds Tourmaline powder, has accounted for more than 60%.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 life staying idle at home articles for use use upper, such as Patent No. The 201520303511.0 utility model patent dermatine of Spontaneous release anion " a kind of can ", then by dermatine In be separately provided anion releasing layer, improve sterilization, deodorization and other health cares of leather.
Graphene fiber is a kind of new carbon fibre with native graphite as raw material, by Graphene or function graphite The liquid crystal stock solution Jing wet spinning of alkene nanometer sheet into one-dimensional material.Graphene fiber has good mechanical performance, electrical property Energy and heat conductivility, can be used for the fields such as conductive fabric, cooling material.At present, using graphene fiber filtering material still It is more rare.
The content of the invention
To solve problems of the prior art, the invention provides a kind of Graphene Modified filter bag, particular technique side Case is as follows:
A kind of Graphene Modified filter bag, including bag, the bag include meeting knoisphere, intermediate layer and base fabric from outside to inside successively Layer, is provided with woven mesh layer between the intermediate layer and base cloth layer, the woven mesh layer includes warp-wise bar and broadwise bar, the Jing Reticulate to the braiding of mutually entwining of bar and broadwise bar, the warp-wise strip adoption graphene fiber twisted is formed, and the broadwise bar is adopted Formed with polyurethane elastomeric fiber twisted, bar shaped liner is provided between the adjacent broadwise bar, during the bar shaped liner is in Hollow structure, the bar shaped liner content is received negative ion powder.
Used as the improvement of above-mentioned technical proposal, the one side on the bar shaped liner near base cloth layer offers multiple ventilative Hole, the air-vent aperture are slightly larger than negative ion powder particle diameter.
Used as the improvement of above-mentioned technical proposal, the bag liner is cased with skeleton, and the skeleton includes vertical airway, institute State, the connection boom end is fixed with circular rod, is arranged at intervals with multiple on the airway Blowback air-flow spout corresponding with bar shaped liner.
As the improvement of above-mentioned technical proposal, on the skeleton number of circular rod for it is multiple, and prolong along airway respectively Stretch direction to be arranged in parallel, on the circular rod, be provided with installing hole, running through on the installing hole between the adjacent annular bar has steel Silk.
As the improvement of above-mentioned technical proposal, between the connecting rod connected on the adjacent annular bar, bending is fixedly installed Shape support bar.
On the one hand the design of woven mesh layer in above-mentioned technical proposal, improves the toughness of bag itself, improves which when filtering There is the shape recovery after gauffer in surface;And warp-wise strip adoption graphene fiber twisted is formed, bag itself can improved While mechanical strength, during to filtering, after powered powder filtering filtration, the accumulation of bag its own charge has good diversity;Broadwise bar Formed using polyurethane elastomeric fiber twisted, can be under deashing state, air-flow passes through base cloth layer, the good broadwise bar energy of elasticity A certain degree of deformation is produced enough, to adapt to inflation state in bar shaped liner.
Present invention also offers a kind of filtering material of above-mentioned Graphene Modified filter bag, concrete technical scheme is as follows:
A kind of filtering material of Graphene Modified filter bag, it is characterised in that the knoisphere of meeting is using politef and Graphene The coating materials of powder body melt compounding stretching, the intermediate layer are formed with polyester filament blending for polyester staple fiber, the base fabric Layer acts in collusion for glass fibre carbon fiber and forms.
Used as the improvement of above-mentioned technical proposal, the strip-lining piece material is membrane structure made by polyimides.
The effect that knoisphere is met in above-mentioned technical proposal is dust-filtering, and intermediate layer is compared with base cloth layer, more flexible, energy Enough in deashing link, clearance space is formed between intermediate layer and base cloth layer, it is ensured that bar shaped liner expands completely, it is ensured that bar shaped Negative ion powder in liner can be taken out of in sufficiently expansion, contraction process.
Description of the drawings
Fig. 1 is a kind of structural representation of Graphene Modified filter bag of the invention;
Fig. 2 is each Rotating fields schematic diagram of bag in the present invention;
Fig. 3 is the structural representation of woven mesh layer in the present invention;
Fig. 4 is the structural representation that bag liner is cased with skeleton in the present invention;
Fig. 5 is the schematic diagram of another kind of embodiment of the skeleton of bag neck bush in the present invention.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the invention provides a kind of Graphene Modified filter bag, including bag 10, bag 10 by It is outer to include successively meeting knoisphere 111, intermediate layer 112 and base cloth layer 113 in, volume is provided between intermediate layer 112 and base cloth layer 113 Web layer, the woven mesh layer include that warp-wise bar 114 and broadwise bar 115, warp-wise bar 114 and broadwise bar 115 are mutually entwined braiding Reticulate, warp-wise bar 114 is formed using graphene fiber twisted, broadwise bar 115 is formed using polyurethane elastomeric fiber twisted, phase Bar shaped liner 20 is provided between adjacent broadwise bar 115, bar shaped liner 20 is in hollow structure, accommodate in bar shaped liner 20 bear from Sub- powder 21.
Knoisphere 111 is met in such scheme can be using being stretched using politef graphene powder melt compounding Coating materials, while the filterability with traditional microporous teflon membran, make film layer have Graphene conduction, radiating and Function of shielding, improves the anti-scratch of film layer, and service life is significantly improved;Intermediate layer 112 is polyester staple fiber and polyester filament Blending is formed, and base cloth layer 113 is that glass fibre and carbon fiber act in collusion and form;20 material of bar shaped liner is made up of polyimides Membrane structure, due to polyimide film good airproof performance, it is possible to increase reliability of the bar shaped liner 20 in filter bag;During use, bar Shape liner 20 and 115 interval setting of broadwise bar, and reticulate with the braiding of warp-wise bar 114, now bar shaped liner 20 will be constrained and be fixed In woven mesh layer, now bar shaped liner 20 also will be arranged in a ring due to bag 10 in a ring, by intermediate layer 112, mesh grid Layer, and 113 acupuncture of base cloth layer link, will finally meet knoisphere 111 and 112 hot pressing composite joint of intermediate layer.
Further, the one side on bar shaped liner 20 near base cloth layer 113 offers multiple air-vents 22, air-vent 22 Aperture is slightly larger than 21 particle diameter of negative ion powder, and the restriction of 22 size of air-vent is primarily to for negative ion powder 21 in deashing Pass through under state.
The filter bag has two kinds of use states, is filtration condition and deashing state respectively.Under filtration condition, dusty gas Jing Entered in filter bag by the knoisphere 111 of meeting of filter bag, then air-flow arrives at the side for not having air-vent 22 on bar shaped liner 20, therefore gas Stream makes which be closely joined together with woven mesh layer by bar shaped liner 20 is compressed, as base cloth layer 113 adopts the preferable glass of toughness Glass fiber and carbon fiber are supported, therefore base cloth layer 113 can be preferably supported to bar shaped liner 20 under filtration condition; Under deashing state, high pressure inverted draft is sent in bag 10, and now air-flow is arrived on bar shaped liner 20 through after base cloth layer 113 22 place side of air-vent, due to the terylene material in intermediate layer 112, under the impact of inverted draft, intermediate layer 112 can produce Deformation is simultaneously expanded outwardly, and bar shaped liner 20 will expand deformation in the inflation via air-vent 22, when the reverse gas of high pressure When stream intermittence is produced, bag 10 will produce strong shake, and the bar shaped liner 20 of hollow structure will be repeatedly swollen in clearance layer 114 Swollen, contraction, the negative ion powder 21 in bar shaped liner 20 is entered in bag 10 under the carrying of air-flow, so as to in bag 10 Exterminating bacterium is carried out, after deashing is completed, bag 10 also completes sterilization operation.
In such scheme, the design of woven mesh layer, it is possible to increase bag 10 toughness of itself improves its surface when filtering There is the shape recovery after gauffer;And warp-wise bar 114 is formed using graphene fiber twisted, bag 10 itself can improved While mechanical strength, during to filtering, after powered powder filtering filtration, the accumulation of 10 its own charge of bag has good diversity;Broadwise Bar 115 is formed using polyurethane elastomeric fiber twisted, can be under deashing state, and air-flow passes through base cloth layer 113, and elasticity is good Broadwise bar 115 can produce a certain degree of deformation, to adapt to inflation state in bar shaped liner 20.
Further, as shown in figure 4,10 liner of bag is cased with skeleton 30, skeleton 30 includes vertical airway 301, leads Connecting rod 31 is provided with trachea 301,31 end of connecting rod is fixed with circular rod 32, is arranged at intervals with multiple on airway 301 With 20 corresponding blowback air-flow spout 302 of bar shaped liner.In the technical scheme, as bar shaped liner 20 is located at 10 side of bag On, in order to improve the alignment of the air-vent 22 on back draught and bar shaped liner 20 when deashing is operated, therefore by inverted draft Pipeline be attached on the skeleton 30 in bag 10, corresponding is carried out with bar shaped liner 20 by blowback air-flow spout 302 and is set Meter.
Further, on skeleton 30, the number of circular rod 32 is multiple, and parallel along 301 bearing of trend of airway respectively Arrange, on circular rod 32, be provided with installing hole 321, running through on the installing hole 321 between adjacent annular bar 32 has steel wire 33.The party In case, under filtration condition, the circular rod 32 and steel wire 33 on skeleton 30 to carrying out effective support on the inside of bag 10, due to steel wire 33 can occur stress and deformation, therefore under deashing state, along with the intermittence supply of inverted draft, bag 10 can be entered The variable adaptability of row is supported, and support effect more preferably, contributes to bag 10 and shrinks completely.
Further, as shown in figure 5, skeleton 30 is after bag 10 shrinks completely, bending shape support bar 34 can be passed through Curved-surface shape effective support is carried out to the bag 10 under this shrinkage limit state, and can further improve the steady of skeleton 30 Qualitative, beneficial effect is notable.
The negative ion powder 24 adopted in such scheme can adopt negative ion powder of the prior art, can be using special Profit number for 201110154902.7 patent of invention " a kind of slurry that can produce anion, preparation method and its prepare purification Application in the filter material of air "(The patent is that applicant applies and patented power)Used in anion slurry drying after The powder of support, for the composition of negative ion powder is not the protection main points of the present invention, it is contemplated that with negative ion powder 24 As a example by provide inverted draft when a kind of utilization deashing is operated and carry out the structure of sterilization in filter bag, therefore can in receiving cavity 20 Other powder body materials for having sterilizing function are set up accordingly.
Above embodiments of the invention are described in detail, but the content have been only presently preferred embodiments of the present invention, It is not to be regarded as limiting practical range of the invention, all impartial changes made according to the scope of the invention and improvement etc. all should Still belong within covering scope of the present invention.

Claims (7)

1. a kind of Graphene Modified filter bag, including bag(10), the bag(10)Include successively from outside to inside meeting knoisphere (111), intermediate layer(112)And base cloth layer(113), it is characterised in that the intermediate layer(112)And base cloth layer(113)Between set Woven mesh layer is equipped with, the woven mesh layer includes warp-wise bar(114)With broadwise bar(115), the warp-wise bar(114)With broadwise bar (115)Braiding of mutually entwining is reticulated, the warp-wise bar(114)Formed using graphene fiber twisted, the broadwise bar(115) Formed using polyurethane elastomeric fiber twisted, the adjacent broadwise bar(115)Between be provided with bar shaped liner(20), the bar Shape liner(20)In hollow structure, the bar shaped liner(20)Negative ion powder is accommodated inside(21).
2. a kind of Graphene Modified filter bag as claimed in claim 1, it is characterised in that the bar shaped liner(20)Upper close base Layer of cloth(113)One side offer multiple air-vents(22), the air-vent(22)Aperture is slightly larger than negative ion powder(21) Particle diameter.
3. a kind of Graphene Modified filter bag as claimed in claim 2, it is characterised in that the bag(10)Liner is cased with skeleton (30), the skeleton(30)Including vertical airway(301), the airway(301)On be provided with connecting rod(31), the company Extension bar(31)End is fixed with circular rod(32), the airway(301)On be arranged at intervals with it is multiple with bar shaped liner(20)It is right The blowback air-flow spout answered(302).
4. a kind of Graphene Modified filter bag as claimed in claim 3, it is characterised in that the skeleton(30)Upper circular rod(32) Number for it is multiple, and respectively along airway(301)Bearing of trend be arranged in parallel, the circular rod(32)On be provided with installing hole (321), the adjacent annular bar(32)Between installing hole(321)Above running through has steel wire(33).
5. a kind of Graphene Modified filter bag as claimed in claim 4, it is characterised in that the adjacent annular bar(32)Upper connection Connecting rod(31)Between be fixedly installed bending shape support bar(34).
6. the filtering material of the Graphene Modified filter bag described in a kind of claim 1, it is characterised in that described to meet knoisphere(111) The coating materials stretched with graphene powder melt compounding using politef, the intermediate layer(112)For polyester staple fiber Form with polyester filament blending, the base cloth layer(113)Act in collusion for glass fibre carbon fiber and form.
7. the filtering material of Graphene Modified filter bag as claimed in claim 6, it is characterised in that the bar shaped liner(20)Material Matter is membrane structure made by polyimides.
CN201611256525.7A 2016-12-30 2016-12-30 A kind of graphene Modified filter bag and its filtering material Active CN106512581B (en)

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CN106512581B CN106512581B (en) 2019-05-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108159782A (en) * 2018-01-09 2018-06-15 安徽元琛环保科技股份有限公司 A kind of high load multi-efficiency filtrate and preparation method thereof
CN109432892A (en) * 2018-12-12 2019-03-08 中国地质大学(武汉) The gas purification of carbon nano-tube fibre filtering layer and the generating integrated renewable device of heat
CN109847480A (en) * 2019-04-11 2019-06-07 安徽省利特环保技术有限公司 A kind of bipolarity filter bag and its manufacture craft
CN113546481A (en) * 2021-05-17 2021-10-26 盐城世邦布业有限公司 Filter bag of bag type dust collector

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784714A (en) * 1980-11-13 1982-05-27 Taiyo Chuki Kk Dust collector
CN1750863A (en) * 2002-12-11 2006-03-22 唐纳森公司 Z-filter media with reverse-flow cleaning systems and methods
US20090223368A1 (en) * 2008-03-07 2009-09-10 Augustine Biomedical And Design, Llc Distal hose end 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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784714A (en) * 1980-11-13 1982-05-27 Taiyo Chuki Kk Dust collector
CN1750863A (en) * 2002-12-11 2006-03-22 唐纳森公司 Z-filter media with reverse-flow cleaning systems and methods
US20090223368A1 (en) * 2008-03-07 2009-09-10 Augustine Biomedical And Design, Llc Distal hose end 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
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108159782A (en) * 2018-01-09 2018-06-15 安徽元琛环保科技股份有限公司 A kind of high load multi-efficiency filtrate and preparation method thereof
CN109432892A (en) * 2018-12-12 2019-03-08 中国地质大学(武汉) The gas purification of carbon nano-tube fibre filtering layer and the generating integrated renewable device of heat
CN109432892B (en) * 2018-12-12 2023-09-01 中国地质大学(武汉) Carbon nano tube fiber filter layer gas purification and thermal power generation integrated renewable device
CN109847480A (en) * 2019-04-11 2019-06-07 安徽省利特环保技术有限公司 A kind of bipolarity filter bag and its manufacture craft
CN113546481A (en) * 2021-05-17 2021-10-26 盐城世邦布业有限公司 Filter bag of bag type dust collector

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