CN110102271A - The Multi-hole section and its method, equipment containing nano adsorber administered for VOCs - Google Patents
The Multi-hole section and its method, equipment containing nano adsorber administered for VOCs Download PDFInfo
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- CN110102271A CN110102271A CN201910403183.4A CN201910403183A CN110102271A CN 110102271 A CN110102271 A CN 110102271A CN 201910403183 A CN201910403183 A CN 201910403183A CN 110102271 A CN110102271 A CN 110102271A
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- Prior art keywords
- vocs
- nano adsorber
- casing play
- administered
- substrate casing
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 94
- 238000001179 sorption measurement Methods 0.000 claims abstract description 45
- 238000001338 self-assembly Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 39
- 239000006260 foam Substances 0.000 claims description 34
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 31
- 229910021536 Zeolite Inorganic materials 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 29
- 239000010457 zeolite Substances 0.000 claims description 29
- 229920000877 Melamine resin Polymers 0.000 claims description 28
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 27
- 239000006185 dispersion Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- 229920000867 polyelectrolyte Polymers 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 125000002091 cationic group Chemical group 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 10
- 239000003463 adsorbent Substances 0.000 claims description 9
- 239000007767 bonding agent Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 229920001448 anionic polyelectrolyte Polymers 0.000 claims description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 229920002873 Polyethylenimine Polymers 0.000 claims description 4
- 239000004113 Sepiolite Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 229960000892 attapulgite Drugs 0.000 claims description 4
- 229910052625 palygorskite Inorganic materials 0.000 claims description 4
- 239000001103 potassium chloride Substances 0.000 claims description 4
- 235000011164 potassium chloride Nutrition 0.000 claims description 4
- 229910052624 sepiolite Inorganic materials 0.000 claims description 4
- 235000019355 sepiolite Nutrition 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical group C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 238000002242 deionisation method Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000012621 metal-organic framework Substances 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000002336 sorption--desorption measurement Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 33
- 239000010410 layer Substances 0.000 description 21
- 238000003795 desorption Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 210000003850 cellular structure Anatomy 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 241001411320 Eriogonum inflatum Species 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 239000013236 Zn4O(BTB)2 Substances 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229960001040 ammonium chloride Drugs 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- -1 preferably ZSM-5 Chemical compound 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3042—Use of binding agents; addition of materials ameliorating the mechanical properties of the produced sorbent
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
-
- 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
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- 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
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- 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
- B01D2253/106—Silica or silicates
- B01D2253/11—Clays
-
- 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
- B01D2253/116—Molecular sieves other than zeolites
-
- 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
- B01D2253/20—Organic adsorbents
- B01D2253/204—Metal organic frameworks (MOF's)
-
- 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
- B01D2253/30—Physical properties of adsorbents
-
- 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
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The present invention provides a kind of Multi-hole sections and its method, equipment containing nano adsorber administered for VOCs, wherein for the Multi-hole section containing nano adsorber that VOCs is administered, including substrate casing play and nano adsorber adsorption layer；The substrate casing play is stephanoporate framework profile, and the hole of stephanoporate framework profile itself is level-one aperture duct；Substrate skeleton layer surface is equipped at least one layer of nano adsorber adsorption layer.The Multi-hole section containing nano adsorber of the present invention administered for VOCs, nano adsorber loads to porous substrate by self assembly mode, it is high in carrier surface coverage rate, VOCs exhaust gas and nano adsorber contact area can be increased, and then improve nano adsorber to VOCs adsorption/desorption efficiency.
Description
Technical field
The invention belongs to air pollution treatment technical fields, contain nano adsorption for what VOCs was administered more particularly, to a kind of
Multi-hole section and its method, the equipment of agent.
Background technique
Volatile organic compounds (VOCs) is the system of generally existing and complicated composition a kind of organic pollutant in air
Claim, seriously threatens body health of people.VOCs is in the area characterized by ozone (O3), fine particle (PM2.5) and acid rain
It plays an important role in the compound atmosphere pollution of domain property, is one of the bottleneck for restricting Sustainable Socioeconomic Development.Active carbon is inhaled
The earliest and most wide processing means that attached method is administered as industry VOCs, but in actual application, active carbon exists again
Raw difficult, absorption property influenced by aqueous vapor, adsorption saturation when the disadvantages of fire easily occurs in thermal current regenerative process.
Occurred the zeolite runner with zeolite for main adsorbing medium in recent years, by continuous adsorption-desorption cycle, can incite somebody to action
Low concentration VOCs exhaust gas is concentrated, and burns finally by catalysis and handles high concentration VOCs exhaust gas.Zeolite runner core material at present
There are mainly two types of modes: one kind is honeycomb zeolitic material, i.e., by zeolite powder and the direct extrusion forming of other additives, prepares bee
Nest zeolite.Another kind makes honeycomb structure carrier using inorganic fibre paper, by zeolite powder dip coating in honeycomb channels
Surface, and adsorption runner is made through high temperature sintering.The first straight forming prepares honeycomb zeolite, due to VOCs adsorption-desorption
It is efficiently carried out on surface, internal zeolite original powder can not have effect, and cause wastage of material, increased costs, while such honeycomb boils
Stone density is high, the wheel device manufacturing cost of comparable size and operation cost is caused to increase.Second with honeycomb inorfil
For carrier, honeycomb zeolite is prepared by dipping, zeolite powder is unevenly distributed in inorfil carrier surface, bonding force is poor, is deposited
In dust secondary pollution problem, zeolite powder is low in fiberglass surfacing coverage rate, causes treatment effect bad, while inorganic fibre
Dimension production honeycomb substrate, small-bore can not be made by being limited by technique, to obtain higher specific surface area, so that runner can not be improved
Treatment effeciency.
Summary of the invention
In view of this, the present invention is directed to propose it is a kind of for VOCs administer the Multi-hole section containing nano adsorber, with gram
The defect for taking the prior art is improved nano adsorber in carrier surface coverage rate height by way of self assembly, utilizes porous base
Material high-specific surface area can increase VOCs exhaust gas and nano adsorber contact area, and then improve nano adsorber and adsorb to VOCs
Efficiency is desorbed；It is added by second level duct, reduces Multi-hole section air drag, improved gas flow, it is made to have efficient strong wind
Measure VOCs processing capacity.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
For the Multi-hole section containing nano adsorber that VOCs is administered, including substrate casing play and nano adsorber absorption
Layer；The substrate casing play is stephanoporate framework profile, and the hole of stephanoporate framework profile itself is level-one aperture duct；Substrate casing play
Surface is equipped at least one layer of nano adsorber adsorption layer.
Further, several second level ducts are offered on the substrate casing play, several second level ducts are through-hole.
Further, when opening up second level duct, the material of the substrate casing play be melamine foam, nickel foam,
Foamed iron, foamed aluminium；Preferably, the material of the substrate casing play is melamine foam.When not opening up second level duct, institute
The material for stating substrate casing play is open celled foam cement.
Further, adsorbent is molecular sieve, metal-organic framework materials, modified work in the nano adsorber adsorption layer
One or more of property charcoal, diatomite, sepiolite, aerosil, zeolite.
Further, the aperture size in level-one aperture duct is 0.05-1mm；The bore dia 2-10mm in second level duct；Substrate
The skeleton diameter 0.005-0.1mm of casing play.
Further, the particle size of adsorbent is 0.5-20 μm in the nano adsorber adsorption layer；Several second holes
Road is uniformly distributed.
Further, substrate skeleton layer surface and the nano adsorber adsorption layer are bonded by binder.
Further, the binder is organic silicon sol, polytetrafluoroethyldispersion dispersion, attapulgite, kaolin, Hai Pao
On one or both of stone.
Another object of the present invention is to propose a kind of system of Multi-hole section containing nano adsorber administered for VOCs
Preparation Method, to prepare the above-mentioned Multi-hole section containing nano adsorber administered for VOCs.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of preparation method for the Multi-hole section containing nano adsorber administered for VOCs, comprising the following steps:
(1) it prepares the substrate casing play containing second level duct: selecting suitable substrate casing play, and pass through machine on its surface
Tool punching or laser cutting mode are punched, and several equally distributed second level ducts are formed；
(2) nano adsorber adsorption layer is formed in substrate skeleton layer surface by self assembly mode；
Preferably, when the substrate casing play is free of second level duct, step (1) can be omitted.
Preferably, in step (2), nano adsorber adsorption layer is formed in substrate skeleton layer surface by self assembly mode
Method, comprising the following steps:
S1: it prepares self assembly adsorption liquid: anionic polyelectrolyte or cationic polyelectrolyte, inorganic salts, deionization is led to
Ultrasonic agitation mixing is crossed, assembling adsorption liquid is derived from；Each component quality accounting in the self assembly adsorption liquid are as follows: anionic polyelectrolyte
Matter or cationic polyelectrolyte 1-10%, inorganic salts 0.5-10%, remainder are deionized water；Preferably, the inorganic salts
For potassium chloride or sodium chloride, cationic polyelectrolyte is diallyl dimethyl ammoniumchloride or polyethyleneimine, and anion is poly-
Electrolyte is polymethylacrylic acid；
S2: the substrate casing play of the substrate casing play containing second level duct or without containing second level duct is immersed in self assembly
A period of time in adsorption liquid, taking-up are dried for standby in 65-75 DEG C；
S3: preparing dispersion liquid: nano adsorber particle, bonding agent sequentially added in deionized water, stirs ultrasonic disperse,
Obtain dispersion liquid；Nano adsorber particle mass ratio 5-20% in the dispersion liquid, bonding agent mass ratio 1-5%, remainder are
Deionized water；
S4: the substrate casing play containing second level duct that drying in step S2 is handled or the substrate without second level duct
Casing play immerses in dispersion liquid, dries after taking-up in 120-180 DEG C, can obtain of the present invention for receiving containing for VOCs improvement
The Multi-hole section of rice adsorbent.
Of the invention further relates to a kind of Multi-hole section containing nano adsorber that detection is administered for VOCs as described above
The device for adsorbing VOCs performance, can be used for the detection of the effect in terms of VOCs improvement of the Multi-hole section containing nano adsorber.
A kind of detection Multi-hole section absorption VOCs performance containing nano adsorber as described above administered for VOCs
Device, including the first blower, duct insert heater, sample bin and gas generator；
For first blower by the inlet communication of first pipe and duct insert heater, the outlet of duct insert heater passes through the
The inlet communication of two pipelines and sample bin；The connecting pipeline of sample bin outlet is equipped with the second concentration determination mouth；First pipe
Road is equipped with first flow valve and the first concentration determination mouth, the tight-lipped adjacent duct insert heater of first concentration determination；Described second
Flowmeter is installed on pipeline；
The inlet end of the gas generator is connected to the second blower, and second flow valve is equipped on connecting pipeline；Gas
The outlet first pipe of generator, and connectivity part is located between first flow valve and the first concentration determination mouth.
Compared with the existing technology, a kind of Multi-hole section tool containing nano adsorber administered for VOCs of the present invention
There is following advantage:
A kind of Multi-hole section containing nano adsorber administered for VOCs of the present invention, with melamine foam etc.
Stephanoporate framework profile is carrier, and nano adsorber particle is formed absorbent coating on stephanoporate framework surface by self assembly mode,
Prior art defect is solved, nano adsorber is improved in carrier surface coverage rate, enhances particle and carrier adhesive strength, increase
VOCs exhaust gas and nano adsorber contact area improve nano adsorber to VOCs adsorption/desorption efficiency.In melamine foam
Second level cellular structure is constructed on equal stephanoporate frameworks profile, it acts as reduce generated gas when exhaust gas containing VOCs passes through material
Resistance increases exhaust gas by flow, to improve material processing ability, is applicable in and Wind Volume operating condition.Melamine material itself
For fire proofing material, heatproof itself is more than 300 DEG C, meets and required temperature is desorbed in actual condition, avoid risk of smouldering.
The preparation method of a kind of Multi-hole section containing nano adsorber administered for VOCs of the present invention, by more
Secondary self assembly mode improves load capacity, improves material adsorption/desorption performance.Specifically, the micro- containing nano adsorber of completion is prepared
The profile of grain, nano adsorber particle are greater than 90% in porous substrate skeleton surface coverage, unit volume profile nano adsorption
Agent fraction of particle is in 50-200kg/m3, since basic (namely substrate casing play) is skeletal porous structure, comparing table with larger
In the case where area, there are also preferable gas permeabilities, and after skeleton surface covers nano adsorber particle substantially, VOCs exhaust gas passes through more
Hole duct profile quickly can occur multiple impacts with nano adsorber particle and be adsorbed, due to skeleton surface nano adsorption
Agent particle is only single layer or several layers of coverings, can quickly carry out adsorption, therefore adsorption efficiency is higher.In desorption process
In, hot-air reaches rapidly nano adsorber particle, heat exchange, nano adsorber particle occurs with it by multi-pore channel structure
VOCs desorption is completed in heating, therefore such Multi-hole section has desorption efficiency faster.By the addition of bonding agent, can reinforce
Nano adsorber particle and skeleton surface binding force, keep nano adsorber particle not easily to fall off.
A kind of detection of the present invention is inhaled for the VOCs Multi-hole section containing nano adsorber administered as described above
The device of attached VOCs performance, structure is simple, and easy to operate, testing result is accurate.
Detailed description of the invention
Fig. 1 is simple structure of the present invention for the VOCs Multi-hole section (having secondary passage) containing nano adsorber administered
Schematic diagram；
Fig. 2 is Fig. 1 substrate skeleton structure diagram；
Fig. 3 is Fig. 2 nano adsorber supporting substrates skeleton exterior view；
Fig. 4 is the device that VOCs performance is adsorbed in present invention detection for the VOCs Multi-hole section containing nano adsorber administered
Simple structure schematic diagram.
Appended drawing reference:
1- substrate casing play；101- level-one aperture duct；102- second level duct；2- nano adsorber adsorption layer；3- first
Blower；4- duct insert heater；5- sample bin；6- gas generator；7- first pipe；8- the second concentration determination mouth；9- is first-class
Measure valve；10- the first concentration determination mouth；11- second pipe；12- flowmeter；The second blower of 13-；14- second flow valve；15- inhales
Attached dose of particle.
Specific embodiment
In addition to being defined, technical term used in following embodiment has universal with those skilled in the art of the invention
The identical meanings of understanding.Test reagent used in following embodiment is unless otherwise specified conventional biochemical reagent；It is described
Experimental method is unless otherwise specified conventional method.
Below with reference to examples and drawings, the present invention will be described in detail.
A kind of Multi-hole section containing nano adsorber administered for VOCs, including substrate casing play 1 and nano adsorber
Adsorption layer 2；The substrate casing play 1 is stephanoporate framework profile, at this point, the material of the substrate casing play 1 is open celled foam water
Mud, this is because foamed cement level-one pore size is larger, air-flow permeability is good, without preparing second level cellular structure.Porous bone
The hole of frame section itself is level-one aperture duct 101.1 surface of substrate casing play is equipped at least one layer of nano adsorber absorption
Layer 2.
In some embodiments, the material of the substrate casing play 1 can for melamine foam, nickel foam, foamed iron,
Foamed aluminium etc., but preferably melamine foam.At this point, as shown in Figure 1-3, needing to offer on the substrate casing play 1
Several second level ducts 102, several second level ducts 102 are through-hole.It arranges about second hole it should be noted that multiple second holes
The size of the resistance for the gas medium that the Multi-hole section that road 102 can overcome as needed passes through is selected, and resistance is bigger, second level
Settable more of the quantity in duct 102, conversely, then fewer；In addition, multiple second level ducts 102 are uniformly distributed just, not necessarily
Have to array, the distributed architectures of other forms can also be with.
As optional embodiment of the present invention, adsorbent is that molecular sieve, metal are organic in the nano adsorber adsorption layer 2
One or more of framework material, modified activated carbon, diatomite, sepiolite, aerosil, zeolite.It is elected
When with zeolite, preferably ZSM-5,13X, 5A type zeolite it is one or two kinds of more than.
As optional embodiment of the present invention, the aperture size in level-one aperture duct 101 is 0.05-1mm；Second level duct
102 bore dia 2-10mm；The skeleton diameter 0.005-0.1mm of substrate casing play 1.It is inhaled in the nano adsorber adsorption layer 2
Attached dose of particle size is 0.5-20 μm.
As optional embodiment of the present invention, 1 surface of substrate casing play and the nano adsorber adsorption layer 2 pass through bonding
Agent bonding.The binder can choose organic silicon sol, polytetrafluoroethyldispersion dispersion, attapulgite, kaolin, in sepiolite
One or two on.
The method for preparing the above-mentioned Multi-hole section containing nano adsorber administered for VOCs, comprising the following steps:
(1) it prepares the substrate casing play 1 containing second level duct 102: selecting suitable substrate casing play 1, and on its surface
It is punched by mechanical punching or laser cutting mode, forms several equally distributed second level ducts 102；
(2) nano adsorber adsorption layer 2 is formed on 1 surface of substrate casing play by self assembly mode；
Wherein, when the substrate casing play 1 is free of second level duct 102 (namely when the material of the substrate casing play 1 is
When open celled foam cement), step (1) can be omitted.
Wherein, in step (2), nano adsorber adsorption layer 2 is formed on 1 surface of substrate casing play by self assembly mode
Method, comprising the following steps:
S1: it prepares self assembly adsorption liquid: anionic polyelectrolyte or cationic polyelectrolyte, inorganic salts, deionization is led to
Ultrasonic agitation mixing is crossed, assembling adsorption liquid is derived from；Each component quality accounting in the self assembly adsorption liquid are as follows: anionic polyelectrolyte
Matter or cationic polyelectrolyte 1-10%, inorganic salts 0.5-10%, remainder are deionized water；Preferably, the inorganic salts
For potassium chloride or sodium chloride, cationic polyelectrolyte is diallyl dimethyl ammoniumchloride or polyethyleneimine, and anion is poly-
Electrolyte is polymethylacrylic acid；
S2: the substrate casing play 1 containing second level duct 102 or the substrate casing play 1 without containing second level duct 102 are impregnated
A period of time in self assembly adsorption liquid, taking-up are dried for standby in 65-75 DEG C；
S3: preparing dispersion liquid: nano adsorber particle, bonding agent sequentially added in deionized water, stirs ultrasonic disperse,
Obtain dispersion liquid；Nano adsorber particle mass ratio 5-20% in the dispersion liquid, bonding agent mass ratio 1-5%, remainder are
Deionized water；
S4: by the substrate casing play 1 containing second level duct 102 of drying processing in step S2 or second level duct is free of
102 substrate casing play 1 immerses in dispersion liquid, dries after taking-up in 120-180 DEG C, can obtain of the present invention for VOCs
The Multi-hole section containing nano adsorber administered.
As shown in figure 4, a kind of detection as above adsorbs VOCs for the VOCs Multi-hole section containing nano adsorber administered
The device of energy, including the first blower 3, duct insert heater 4, sample bin 5 and gas generator 6；First blower 3 passes through first
The outlet of the inlet communication of pipeline 7 and duct insert heater 4, duct insert heater 4 is connected by the import of second pipe and sample bin 5
It is logical；The connecting pipeline that sample bin 5 exports is equipped with the second concentration determination mouth 8；The first pipe 7 is equipped with first flow valve 9
With the first concentration determination mouth 10, the first concentration determination mouth 10 is close to duct insert heater 4；It is equipped on the second pipe 11
Flowmeter 12；The inlet end of the gas generator 6 is connected to the second blower 13, and second flow valve is equipped on connecting pipeline
14；The outlet first pipe 7 of gas generator 6, and connectivity part be located at first flow valve 9 and the first concentration determination mouth 10 it
Between.
It should be noted that duct insert heater be it is commercially available, producer is that Yancheng City wound is sent us by cable hot Science and Technology Ltd., model
The gas that LHKJ-FD-10, blower 1 and blower 2 blast is air.Blower 1 is main air duct (namely first pipe 7) air feed, is led to
It crosses first flow valve 9 and controls main air force；Blower 2 provides carrier gas for gas generator, is controlled and is carried by second flow valve 14
Throughput size, gas generator are bubble structure, are the stainless steel cylinders of a similar wide-mouth bottle specifically, bottle stopper with
Body is tightly connected, two gas-guide tubes of grafting on bottle stopper, wherein having in stainless steel cylinder body is inserted into a gas-guide tube lower end
Solvent liquid level other than upper end stretching bottle stopper with blower 2 hereinafter, be connected to；Another gas-guide tube lower end in body more than liquid level,
Upper end is stretched out other than bottle stopper to be connected to first pipe 7.Carrier gas passes through to be had in (namely in stainless steel cylinder body) gas generator cabin
When solvent, carrier gas will carry corresponding VOC molecule and enter main air duct, carries wind flow by control and realizes various concentration VOC concentration
For exhaust gas to be measured.Sample bin 5 includes shell, sealing cover and sample holder, and sample holder is vertically installed in shell；Case top
It is threaded with sealing cover, and the two junction is cased with O-ring seal.Shell two sides go out with second pipe 12 and sample bin respectively
Mouth pipeline connection, and connectivity part is cased with O-ring seal.In use, Multi-hole section sample to be measured is placed on bracket and shell side
Between wall, and Multi-hole section sample to be measured is close to sealing cover, housing bottom and peripheral wall, and such bracket, which not only acts as, treats test sample
The supporting role of product can also prevent air-flow from not passing through sample to be tested and directly exclude, influence test result.
The detection working principle of this detection device are as follows:
When absorption, first Multi-hole section prepared by the present invention is placed at sample bin 5, the first blower 3 is equivalent to air duct, and second
Blower 13 is equivalent to pollution sources, when absorption, under the action of the first blower 3 and the second blower 13, and the liquid from gas generator 6
The VOC of volatilization enters duct insert heater 4 (duct insert heater 4 is closed at this time), enters back into sample bin 5, finally flows out.It is located at sample
What the VOCs online monitoring instruments (existing) at the first concentration determination mouth 10 and the second concentration determination mouth 8 of 5 front and back of storehouse tested out
Concentration difference is the VOCs of Adsorption at sample bin 5.When desorption, duct insert heater 4 is opened, closes gas generator 6, from the
To the Multi-hole section elevated temperature desorption at sample bin 5 after the gas that one blower 3 introduces is heated.It is large-minded when absorption, VOCs concentration
Low, the time is long；Narrow-minded when desorption, the time is short, and VOCs concentration is big (high concentration is to meet the needs of subsequent combustion), but
The VOCs theoretical content adsorbed and be desorbed on the whole is balance.
Embodiment 1
Using melamine foam as the preparation method of the Multi-hole section containing zeolite of substrate (namely substrate casing play 1):
A) melamine foam (level-one aperture representative value is 0.2mm) is cut into 100*100*50mm size, by beating
Punch die (aperture 2mm, hole count 25*25) is punched above, hole number 25*25, is formed second level duct 102, is prepared into trimerization
Cyanamide foam porous substrate.
B) it is in mass ratio 2 by diallyl dimethyl ammoniumchloride cationic polyelectrolyte, potassium chloride, deionized water:
8:90 prepares self assembly adsorption liquid 2kg, and 15min is stirred by ultrasonic.
C) melamine foam porous substrate is completely immersed in, after impregnating 30min, squeezes out surplus liquid, be put into insulating box
In 75 DEG C drying.
D) by high silica ZSM-5 zeolite (2-10 μm of particle size), the organic silicon sol of solid content 20% (mass ratio), go from
Sub- water, in mass ratio 2:1:17, prepare dispersion liquid 2L, and ultrasonic agitation 30min is uniformly dispersed.
E) Drying and cooling rear substrate is immersed in dispersion liquid, is put into 150 DEG C of drying in insulating box, is able to melamine foam
For the Multi-hole section containing zeolite of substrate (namely substrate casing play 1).
By independently building experimental verification platform (as shown in Figure 4), adsorption-desorption experiment is carried out to made sample, is selected
Isopropanol is VOCs test source, and initial concentration 500ppm guarantees that 90% time of removal rate is more than 30min, 180 DEG C of desorption concentration
Up to 1200ppm, it can be seen that such sample has good VOCs purification, concentrated effect.It compares and commonly uses honeycomb zeolite in market
(size 100*100*100, hole count 40*40) sample, under same test condition, 90% time of removal rate is only 20min, thus may be used
Know that using melamine foam be the Multi-hole section containing zeolite of substrate absorption property better than market honeycomb zeolite sample.
Comparative example 1 (relative to embodiment 1)
No second level duct using melamine foam as the result of Multi-hole section containing zeolite of substrate (namely substrate casing play 1)
Comparison:
Sample preparation mode and example 1 are essentially identical, and essential difference does not punch in step a), melamine foam substrate.
The instrument connection before and after independently building experimental verification platform (as shown in Figure 4) sample bin, passes through gas pressure sensor test airflow
By sample pressure difference, the air drag of sample is characterized with this.
Remarks: initial flow is flow when not placing sample, and sample flow is to place actual flow after sample.
According to the experimental results, high without second hole sample gas resistance in comparative example 1, in blower maximum static pressure power (1Kpa)
Under limitation, the flow by sample is only 1/10th of initial flow, is unable to satisfy practical Wind Volume operating condition.It is deposited in example 1
In second level duct sample, air drag is small, and gas flow loss is smaller, and Wind Volume may be implemented and pass through, meet actual condition and want
It asks.
Embodiment 2
Using melamine foam as the preparation method of the Multi-hole section containing MOF-177 of substrate (namely substrate casing play 1):
A) melamine foam is cut into 100*100*50mm size, passes through perforating mold (aperture 1.5mm, hole count 30*
30) punching 30*30 form secondary passage 102, are prepared into melamine foam porous substrate.
B) it by polymethylacrylic acid anionic polyelectrolyte, sodium chloride, deionized water, is prepared certainly for 1:6:93 in mass ratio
Adsorption liquid 2kg is assembled, 15min is stirred by ultrasonic.
C) the melamine foam having a size of 100*100*50mm is completely immersed in, after impregnating 30min, is placed naturally
20min flows out surplus liquid, is put into 65 DEG C of drying in insulating box.
D) by 13X zeolite (5-30 μm of particle size), the organic silicon sol of solid content 20%, attapulgite, deionized water,
10:5:1:33 in mass ratio, prepares dispersion liquid 2kg, and ultrasonic agitation 30min is uniformly dispersed.
E) Drying and cooling rear substrate is immersed in dispersion liquid, is put into 180 DEG C of drying in insulating box, is able to melamine foam
For the Multi-hole section containing MOF-177 of substrate (namely substrate casing play 1).
Experimental verification platform independently is built by as shown in Figure 4, adsorption-desorption experiment is carried out to made sample, is selected
Isopropanol is VOCs test source, and initial concentration 500ppm guarantees that 90% time of removal rate is more than 60min, 180 DEG C of desorption concentration
Up to 1500ppm, it can be seen that such sample has good VOCs purification, concentrated effect.
Embodiment 3
Using melamine foam as the preparation side of the Multi-hole section containing modified activated carbon of substrate (namely substrate casing play 1)
Method:
A) melamine foam is cut into 100*100*50mm size, passes through perforating mold (aperture 1.5mm, hole count 30*
30) punching 30*30 form secondary passage 102, are prepared into melamine foam porous substrate.
B) it by polyethyleneimine cationic polyelectrolyte, ammonium chloride, deionized water, prepares in mass ratio for 2:6:91 from group
Adsorption liquid 2kg is filled, 15min is stirred by ultrasonic.
C) the melamine foam having a size of 100*100*50mm is completely immersed in, after impregnating 30min, is placed naturally
20min flows out surplus liquid, is put into 50 DEG C of drying in insulating box.
D) by the modified cocoanut active charcoal carbon dust of dust technology, (5-30 μm of particle size, buying Jiangsu Pu Shida environmental protection is scientific and technological
Limited liability company's cocoanut active charcoal, subsequently through being ground into required partial size sample), the organic silicon sol of solid content 20% is high
Ridge soil, deionized water, in mass ratio 10:5:1:33 prepare dispersion liquid 2kg, and ultrasonic agitation 30min is uniformly dispersed.
E) Drying and cooling rear substrate is immersed in dispersion liquid, is put into 150 DEG C of drying in insulating box and is steeped to get with melamine
Cotton is the Multi-hole section containing modified activated carbon of substrate (namely substrate casing play 1).
Experimental verification platform independently is built by as shown in Figure 4, adsorption-desorption experiment is carried out to made sample, is selected
Isopropanol is VOCs test source, and initial concentration 500ppm guarantees that 90% time of removal rate is more than 20min, 180 DEG C of desorption concentration
Up to 1200ppm, it can be seen that such sample VOCs clean-up effect and concentrated effect are compared with zeolite and organic backbone nanometer
Grain is compared, and effect is poor.Reason is activated carbon pore size size relative distribution, and it is less to adsorb VOCs size duct accounting, nothing
Method realizes efficient VOCs gas absorption.Since cost is relatively low for modified activated carbon, such material can be used for VOCs low concentration operating condition.
Embodiment 4
Using foamed cement as the preparation method containing zeolite (ZSM-5) Multi-hole section of substrate (namely substrate casing play 1):
Selection foamed cement is through-hole foam cement, and since technique limits, foamed cement level-one pore size is larger, air-flow
Permeability is good, without preparing second level cellular structure.Other preparation conditions are identical as mode in example 1.Due to foamed cement skeleton
Density of texture is lower, causes zeolite microparticles load capacity small, test material product effect.Selection isopropanol is VOCs test source, just
Beginning concentration is 500ppm, guarantees that 90% time of removal rate is only 10min, 180 DEG C of desorption concentration are up to 800ppm..
It should be noted that is constituted is of the present invention for VOCs for as the situation that substrate is foamed cement
The structure chart for the Multi-hole section (such as embodiment 4) containing nano adsorber administered is substantially similar with Fig. 1, only no second hole
Road 102, therefore without providing attached drawing.
The present invention passes through self assembly side using the stephanoporate frameworks such as melamine foam profile as carrier, by nano adsorber particle
Formula forms high coverage rate absorbent coating on stephanoporate framework surface.Second level cellular structure is constructed in substrates such as melamine foams,
Effect passes through generated air resistance when material to reduce exhaust gas containing VOCs, increases exhaust gas by flow, to improve material
Processing capacity is applicable in and Wind Volume operating condition.Since substrate cellular structure is abundant, zeolite etc. is attached to skeleton by large specific surface area
Surface can significantly improve nano adsorber and VOCs molecule contacts area, while the non-flow-through cell channels in porous substrate duct, when
The exhaust gas of molecule containing VOCs can be improved zeolite by such profile and collide probability, and above two aspect, which can significantly improve, inhales VOCs
Attached efficiency.The efficient utilization of corresponding nano adsorber, compared with the adsorbent material of existing direct extrusion forming, it is possible to reduce interior
The nano adsorber that portion is almost not involved in reduces raw material usage, reduces cost.In desorption process, hot-air passes through multi-pore channel
Structure reaches rapidly nano adsorber particle, heat exchange occurs with it, nano adsorber particle, which is rapidly heated, completes desorption
VOCs.Such Multi-hole section has desorption efficiency faster.It is possible thereby to energy consumption when reducing equipment operation.In porous substrate
In skeleton self-assembled nanometer adsorbent coating, the addition of high coverage rate and bonding agent, can reinforce nano adsorber particle with
Skeleton surface binding force, keeps nano adsorber particle not easily to fall off, and secondary dust pollution is avoided to occur.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. the Multi-hole section containing nano adsorber administered for VOCs, it is characterised in that: including substrate casing play (1) and nanometer
Adsorbent adsorption layer (2)；The substrate casing play (1) is stephanoporate framework profile, and the hole of stephanoporate framework profile itself is opened for level-one
Hole duct (101)；Substrate casing play (1) surface is equipped at least one layer of nano adsorber adsorption layer (2).
2. the Multi-hole section containing nano adsorber according to claim 1 administered for VOCs, it is characterised in that: described
Several second level ducts (102) are offered on substrate casing play (1), several second level ducts (102) are through-hole.
3. the Multi-hole section containing nano adsorber according to claim 2 administered for VOCs, it is characterised in that: described
The material of substrate casing play (1) is melamine foam, nickel foam, foamed iron, foamed aluminium；Preferably, the substrate casing play
(1) material is melamine foam；Several second level ducts (102) are uniformly distributed.
4. the Multi-hole section containing nano adsorber according to claim 1 or 2 administered for VOCs, it is characterised in that:
Adsorbent is molecular sieve, metal-organic framework materials, modified activated carbon, diatomite, sea in the nano adsorber adsorption layer (2)
One or more of afrodite, aerosil, zeolite.
5. the Multi-hole section containing nano adsorber according to claim 2 administered for VOCs, it is characterised in that: level-one
The aperture size in aperture duct (101) is 0.05-1mm；The bore dia 2-10mm in second level duct (102)；Substrate casing play (1)
Skeleton diameter 0.005-0.1mm.
6. the Multi-hole section containing nano adsorber according to claim 1 administered for VOCs, it is characterised in that: described
The particle size of adsorbent is 0.5-20 μm in nano adsorber adsorption layer (2)；The material of the substrate casing play (1) is aperture
Foamed cement.
7. the Multi-hole section containing nano adsorber according to claim 1 or 2 administered for VOCs, it is characterised in that:
Substrate casing play (1) surface and the nano adsorber adsorption layer (2) are bonded by binder；The binder is that organosilicon is molten
On one or both of glue, polytetrafluoroethyldispersion dispersion, attapulgite, kaolin, sepiolite.
8. a kind of prepare the porous type containing nano adsorber as claimed in any one of claims 1 to 7 administered for VOCs
The method of material, it is characterised in that: the following steps are included:
(1) the substrate casing play (1) that preparation contains second level duct (102): suitable substrate casing play (1) is selected, and in its table
Face is punched by mechanical punching or laser cutting mode, forms several equally distributed second level ducts (102)；
(2) nano adsorber adsorption layer (2) are formed on substrate casing play (1) surface by self assembly mode；
Preferably, when the substrate casing play (1) is free of second level duct (102), step (1) can be omitted.
9. the preparation method of the Multi-hole section containing nano adsorber according to claim 8 administered for VOCs, special
Sign is: in step (2), forming the side of nano adsorber adsorption layer (2) on substrate casing play (1) surface by self assembly mode
Method, comprising the following steps:
S1: it prepares self assembly adsorption liquid: anionic polyelectrolyte or cationic polyelectrolyte, inorganic salts, deionization being passed through super
Sound is stirred, and derives from assembling adsorption liquid；Each component quality accounting in the self assembly adsorption liquid are as follows: anionic polyelectrolyte or
Cationic polyelectrolyte 1-10%, inorganic salts 0.5-10%, remainder are deionized water；Preferably, the inorganic salts are chlorine
Change potassium or sodium chloride, cationic polyelectrolyte is diallyl dimethyl ammoniumchloride or polyethyleneimine, anionic polyelectrolyte
Matter is polymethylacrylic acid；
S2: will the substrate casing play (1) containing second level duct (102) or the substrate casing play (1) without containing second level duct (102)
It is immersed in a period of time in self assembly adsorption liquid, taking-up is dried for standby in 65-75 DEG C；
S3: preparing dispersion liquid: nano adsorber particle, bonding agent sequentially added in deionized water, stirs ultrasonic disperse, score
Dispersion liquid；Nano adsorber particle mass ratio 5-20% in the dispersion liquid, bonding agent mass ratio 1-5%, remainder be go from
Sub- water；
S4: by the substrate casing play (1) containing second level duct (102) of drying processing in step S2 or second level duct is free of
(102) substrate casing play (1) immerses in dispersion liquid, dries after taking-up in 120-180 DEG C, can obtain of the present invention be used for
The Multi-hole section containing nano adsorber that VOCs is administered.
10. a kind of detect the porous type containing nano adsorber as claimed in any one of claims 1 to 7 administered for VOCs
The device of material absorption VOCs performance, it is characterised in that: including the first blower (3), duct insert heater (4), sample bin (5) and gas
Generator (6)；
First blower (3) passes through the inlet communication of first pipe (7) and duct insert heater (4), and duct insert heater (4) goes out
Mouth passes through the inlet communication of second pipe and sample bin (5)；The connecting pipeline of sample bin (5) outlet is equipped with the second concentration determination
Mouth (8)；The first pipe (7) is equipped with first flow valve (9) and the first concentration determination mouth (10), first concentration determination
Mouthful (10) are close to duct insert heater (4)；Flowmeter (12) are installed on the second pipe (11)；
The inlet end of the gas generator (6) is connected to the second blower (13), and second flow valve is equipped on connecting pipeline
(14)；The outlet first pipe (7) of gas generator (6), and connectivity part is located at first flow valve (9) and the first concentration is surveyed
It tries between mouth (10).
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| CN111068619A (en) * | 2019-12-31 | 2020-04-28 | 欧梯恩智能科技(苏州)有限公司 | Composite material for adsorbing volatile organic compounds and preparation method thereof |
| KR102168615B1 (en) * | 2019-12-11 | 2020-11-04 | 이재희 | Nano-porous mineral activated carbon and its using method |
| CN113247911A (en) * | 2021-06-10 | 2021-08-13 | 绍兴文理学院 | Modification method of silicon dioxide aerogel |
| CN113713767A (en) * | 2021-09-07 | 2021-11-30 | 盐城工学院 | Foamed aluminum modified activated carbon fiber and preparation method thereof |
| CN113750978A (en) * | 2021-09-10 | 2021-12-07 | 四川大学 | Porous composite material and preparation and application thereof |
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