CN105920920B - One kind is based on grapheme material technology for making net filter - Google Patents
One kind is based on grapheme material technology for making net filter Download PDFInfo
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- CN105920920B CN105920920B CN201610361534.6A CN201610361534A CN105920920B CN 105920920 B CN105920920 B CN 105920920B CN 201610361534 A CN201610361534 A CN 201610361534A CN 105920920 B CN105920920 B CN 105920920B
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- grapheme material
- grapheme
- graphite alkene
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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
- 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
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
- B01D39/2058—Carbonaceous material the material being particulate
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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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
-
- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides one kind to be based on grapheme material novel filter net manufacture craft, includes selection, ultrasonic agitation melting, High Pressure Gun spray fusing and the drying and moulding of nanoscale graphite alkene particle.The present invention is small using filter material material dust containing capacity is overcome based on grapheme material novel filter net made of the technique(CCM values), the problem of filtering material decay is fast, it is that a kind of capacity is high, the high-performance filter material for decaying slow, can thoroughly adsorbs and eliminate the Organic Hazardous Compounds in air.
Description
Technical field
The present invention relates to industrial production technology field, more particularly to one kind to be based on grapheme material technology for making net filter.
Background technology
It is well known that " alkene border " air purifying process is that a kind of a new generation for combining grapheme material and filtering technique is empty
Gas purification techniques.
Graphene relies on its unique structure and physical and chemical performance in recent years, has become the " new of air treating field
Trump ", grapheme material can produce strong complex reaction between organic pollution, play good adsorption effect, moreover it is possible to
Bacterium is directly killed, fundamentally administers air ambient.
Grapheme material has been applied to remove the air pollutants such as formaldehyde at present, but current product has following ask
Topic:Filtering material dust containing capacity is small(CCM values), filtering material decay is fast, and the Organic Hazardous Compounds eliminated in air are not thorough etc. enough
Problem.
The content of the invention
The technical problem to be solved in the present invention is the weak point present in prior art, there is provided one kind is based on graphite
Alkene filtration of material net manufacture craft is small using filter material material dust containing capacity is overcome based on grapheme material screen pack made of the technique
(CCM values), the problem of filtering material decay is fast, it is that a kind of capacity is high, the high-performance filter material for decaying slow, thoroughly can adsorbs and disappear
The Organic Hazardous Compounds to go out in air.
One kind is based on grapheme material technology for making net filter, includes selection, the ultrasonic agitation of nanoscale graphite alkene particle
Melting, High Pressure Gun spray fusing and drying and moulding.
Preferably, the selection of the nanoscale graphite alkene particle:Choose the graphene powder of a diameter of 5-10 nanometers
Grain, by graphene nano particle, antioxidant and the hydrosol by weight 10:1:1 proportioning.
Preferably, the ultrasonic agitation melting:By graphene nano particle, antioxidant and the hydrosol by weight
10:1:After 1 proportioning, mechanically it is combined to together through ultrasonic agitation at 30 DEG C, being warming up to 300 DEG C melts mixture, is made
Nano-graphene material.
Preferably, the High Pressure Gun spray fusing:Before High Pressure Gun spray fusing is carried out, fineness is first chosen as hollow the three of 3D-7D
Polypropylene fiber material is tieed up, the directly smart shredding of grapheme material is not added, combs shaping fine fiber layer base material.
Preferably, when smart shredding, combing thickness account for the whole HEPA filter screens fine fiber layer base material single page thickness of composition
When 20%, start to spray nano-graphene material, HEPA filter screen fine fiber layer base materials single page is thick after smart shredding, combing and combing
Spend 0.1 ~ 1.5mm.
Preferably, the smart shredding, combing thickness account for the whole HEPA filter screens fine fiber layer base material single page thickness of composition
20% after, be introduced into melt-blown spinneret under reception device on, by the nano-graphene material prepared be put into solid-state spray
In mist type High Pressure Gun, and injection strong pressure is adjusted in 6-7KPa, and be uniformly injected on fine fiber layer base material.
Preferably, so that base material is interpenetrated with graphene, merged, it is scattered in polypropylene material to improve it
Property, graphene nano particle pass through fiber sheath under the promotion of pressure, are uniformly embedded in inner. layers gap, and graphene will reach
It is 15g/m to shared grapheme material screen pack part by weight2。
Preferably, the drying and moulding:It is fine according to the graphene that thickness is 0.1 ~ 1.5mm is made using product requirement
Fibrous layer base material, then process to form graphene HEPA screen packs by MULTILAYER COMPOSITE, finally it is placed on 40 DEG C of vacuum drying chambers
After drying 24h dryings, the composite filter material of the doped graphene nano material with a large amount of holes, i.e. HEPA filters are formed it into
Stratum reticulare.
Preferably, invention filter material accumulation purge amount CCM is:M particulate matters >=9000mg.
Preferably, radial fragmentation intensity 500N/cm.
Beneficial effects of the present invention:
Nanoscale graphite alkene is uniformly distributed among fine fiber layer, maximumlly make use of nanoscale graphite alkene
Characteristic;Greatly improve the intensity and toughness of composite so that the performance of composite is greatly improved.
Through overtesting, screen pack of the present invention is the material that intensity is higher in current filter material, its radial fragmentation intensity
500N/cm, while it has good elasticity again, stretch range can reach the 20% of own dimensions.
Graphene has larger theoretical specific surface area, the black alkene filtration of material net of the present invention, and the infiltration of its graphene uniform exists
In filter screen substrate gap so that filter screen fibre composition has very big specific surface area and has many microcellular structures above, therefore with
Traditional filtering material, which is compared, stronger adsorption effect.
Particulate matter accumulation purge amount CCM experiment has been carried out to above-mentioned filter screen according to standard GB/T/T18801-2015,
Contrasted with common material, under comparable conditions, the accumulation purge amount CCM performances of material improve 18%, in laboratory condition
Under, drawn by target contaminant test of specific soot dust granule thing, filter material accumulation purge amount CCM of the present invention is:M particulate matters >=
9000/mg。
It is a kind of slow high-performance filter material of decaying, capacity is high, and common filter material accumulation purge amount CCM values are:M particulate matters≤
8000/mg, therefore under general environment, filter screen of the present invention is substantially increased using duration.
Brief description of the drawings
Fig. 1 is the process chart of the invention based on grapheme material technology for making net filter.
Embodiment
For purposes of illustration only, below in conjunction with the accompanying drawings, invention is done specifically based on grapheme material technology for making net filter
It is bright.
As shown in fig. 1, technical solution of the invention is to provide following one kind and is based on grapheme material screen pack system
Make technique, include selection, ultrasonic agitation melting, High Pressure Gun spray fusing and the drying and moulding of nanoscale graphite alkene particle.
1st, the selection of nanoscale graphite alkene particle:
The graphene powder particle of a diameter of 5-10 nanometers is chosen, by graphene nano particle, antioxidant and the hydrosol
By weight 10:1:1 proportioning.
2nd, ultrasonic agitation melting:
By graphene nano particle, antioxidant and the hydrosol by weight 10:1:After 1 proportioning, through ultrasound at 30 DEG C
It is combined to together, being warming up to 300 DEG C melts mixture, and nano-graphene material is made Mixing Machine.
3rd, High Pressure Gun spray fusing:
Before High Pressure Gun spray fusing is carried out, the hollow three-dimensional polypropylene fibrous material that fineness is 3D-7D is first chosen, does not add stone
The directly smart shredding of black alkene material, shaping fine fiber layer base material is combed, when smart shredding, comb thickness and account for the whole HEPA filter screens of composition
Fine fiber layer base material single page thickness 20% when, start spray nano-graphene material, smart shredding, combing and comb after HEPA
0.1 ~ 1.5mm of filter screen fine fiber layer base material single page thickness.
After smart shredding, combing thickness account for the 20% of the whole HEPA filter screens fine fiber layer base material single page thickness of composition, drawn
Enter onto the reception device under melt-blown spinneret, the nano-graphene material prepared be put into solid-state aerosol type High Pressure Gun,
And adjust injection strong pressure in 6-7KPa, and be uniformly injected on fine fiber layer base material so that base material is mutual with graphene
Infiltration, fusion, to improve its dispersiveness in polypropylene material, graphene nano particle passes through fiber under the promotion of pressure
Top layer, inner. layers gap is uniformly embedded in, it is 15g/m that graphene, which will reach shared grapheme material screen pack part by weight,2。
4th, drying and moulding:
The graphene fine fiber layer base material that thickness is 0.1 ~ 1.5mm is made according to using product requirement, then by multilayer
Compound Machining forms graphene HEPA screen packs, after being finally placed on 40 DEG C of vacuum drying chambers drying 24h dryings, forms it into
The composite filter material of doped graphene nano material with a large amount of holes, i.e. HEPA filter mesh layers.
Filter material of the present invention accumulates purge amount CCM:M particulate matters >=9000mg, radial fragmentation intensity 500N/cm.
In the above-described embodiments, the preferred forms of the present invention are described, it is obvious that in the invention structure of the present invention
Under think of, many changes can be still made, here, it should be noted that any change made under the inventive concept of the present invention all will
Fall within the scope of protection of the present invention.
Claims (5)
1. one kind is based on grapheme material technology for making net filter, it is characterized in that:Selection including nanoscale graphite alkene particle, surpass
Sound stirring melting, High Pressure Gun spray fusing and drying and moulding;
(1)The selection of the nanoscale graphite alkene particle:The nanoscale graphite alkene particle of a diameter of 5-10 nanometers is chosen, by nanometer
Level graphene particles, antioxidant and the hydrosol are by weight 10:1:1 proportioning;
(2)The ultrasonic agitation melting:By nanoscale graphite alkene particle, antioxidant and the hydrosol by weight 10:1:1 proportioning
Afterwards, mechanically it is combined to together through ultrasonic agitation at 30 DEG C, being warming up to 300 DEG C melts mixture, and grapheme material is made;
(3)The High Pressure Gun spray fusing:Before High Pressure Gun spray fusing is carried out, it is fine first to choose the hollow three-dimensional polypropylene that fineness is 3D-7D
Material is tieed up, the directly smart shredding of grapheme material is not added, combs shaping fine fiber layer base material;
(4)The drying and moulding:The graphene fine fiber layer base that thickness is 0.1 ~ 1.5mm is made according to using product requirement
Material, then process to form graphene HEPA screen packs by MULTILAYER COMPOSITE, finally it is placed on 40 DEG C of vacuum drying chambers drying 24h and does
After dry, the composite filter material of the dopen Nano grapheme material with a large amount of holes, i.e. HEPA filter mesh layers are formed it into;
It is based on grapheme material screen pack accumulation purge amount CCM:M particulate matters >=9000mg.
2. according to claim 1 be based on grapheme material technology for making net filter, it is characterized in that:When smart shredding, combing
When thickness accounts for the 20% of the whole HEPA filter screens fine fiber layer base material single page thickness of composition, start graphite spraying alkene material, essence is opened
0.1 ~ 1.5mm of HEPA filter screen fine fiber layer base material single page thickness after pine, combing and combing.
3. according to claim 2 be based on grapheme material technology for making net filter, it is characterized in that:The smart shredding, comb
After reason thickness accounts for the 20% of the whole HEPA filter screens fine fiber layer base material single page thickness of composition, it is introduced under melt-blown spinneret
Reception device on, the grapheme material prepared is put into solid-state aerosol type High Pressure Gun, and will injection strong pressure adjustment exist
6-7KPa, and be uniformly injected on fine fiber layer base material.
4. according to claim 3 be based on grapheme material technology for making net filter, it is characterized in that:So that base material and graphite
Alkene material is interpenetrated, merged, and to improve its dispersiveness in polypropylene material, nanoscale graphite alkene particle pushes away pressure
Fiber sheath is passed through under dynamic, is uniformly embedded in inner. layers gap, nanoscale graphite alkene particle will reach shared grapheme material
Screen pack part by weight is 15g/m2。
5. according to claim 1 be based on grapheme material technology for making net filter, it is characterized in that:Radial fragmentation intensity
500N/cm。
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CN103449420B (en) * | 2013-08-22 | 2015-03-25 | 中国科学院金属研究所 | High-quality graphene dispersion method and film preparation method |
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CN104088135B (en) * | 2014-06-03 | 2016-05-25 | 上海交通大学 | A kind of method of utilizing Graphene modification filter fabric of bag filter precipitator fiber |
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CN105251268A (en) * | 2015-11-03 | 2016-01-20 | 杜茂龙 | Graphene-based air filter material and preparation method thereof |
CN205216513U (en) * | 2015-12-17 | 2016-05-11 | 唐山艾米电子科技有限公司 | Compound filter screen of graphite alkene |
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