CN108310969A - A kind of outdoor air cleaning module and purification method - Google Patents
A kind of outdoor air cleaning module and purification method Download PDFInfo
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- CN108310969A CN108310969A CN201810161211.1A CN201810161211A CN108310969A CN 108310969 A CN108310969 A CN 108310969A CN 201810161211 A CN201810161211 A CN 201810161211A CN 108310969 A CN108310969 A CN 108310969A
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- air
- module
- manganese
- constant temperature
- honey comb
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- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 27
- 238000000746 purification Methods 0.000 title claims description 16
- 238000004887 air purification Methods 0.000 claims abstract description 6
- 238000003912 environmental pollution Methods 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims description 47
- 241000264877 Hippospongia communis Species 0.000 claims description 46
- WYCDUUBJSAUXFS-UHFFFAOYSA-N [Mn].[Ce] Chemical compound [Mn].[Ce] WYCDUUBJSAUXFS-UHFFFAOYSA-N 0.000 claims description 35
- 239000003054 catalyst Substances 0.000 claims description 33
- 239000002131 composite material Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 7
- 239000007800 oxidant agent Substances 0.000 claims description 7
- 235000015108 pies Nutrition 0.000 claims description 7
- 230000001376 precipitating effect Effects 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910002651 NO3 Inorganic materials 0.000 claims description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 150000000703 Cerium Chemical class 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical group [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000007772 electrode material Substances 0.000 claims description 4
- 150000002696 manganese Chemical class 0.000 claims description 4
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical group [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229910001868 water Inorganic materials 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 241001137251 Corvidae Species 0.000 claims description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 229910052878 cordierite Inorganic materials 0.000 claims description 2
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 2
- 239000011565 manganese chloride Substances 0.000 claims description 2
- 235000002867 manganese chloride Nutrition 0.000 claims description 2
- 229940099607 manganese chloride Drugs 0.000 claims description 2
- 229940099596 manganese sulfate Drugs 0.000 claims description 2
- 239000011702 manganese sulphate Substances 0.000 claims description 2
- 235000007079 manganese sulphate Nutrition 0.000 claims description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229910052863 mullite Inorganic materials 0.000 claims description 2
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 235000019394 potassium persulphate Nutrition 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 210000003660 reticulum Anatomy 0.000 claims 15
- 238000001354 calcination Methods 0.000 claims 1
- 238000002242 deionisation method Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 238000003915 air pollution Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 39
- 239000007789 gas Substances 0.000 description 20
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000003344 environmental pollutant Substances 0.000 description 15
- 231100000719 pollutant Toxicity 0.000 description 15
- 239000012855 volatile organic compound Substances 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 239000010419 fine particle Substances 0.000 description 8
- 230000003197 catalytic effect Effects 0.000 description 6
- LQWKWJWJCDXKLK-UHFFFAOYSA-N cerium(3+) manganese(2+) oxygen(2-) Chemical compound [O--].[Mn++].[Ce+3] LQWKWJWJCDXKLK-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000005022 packaging material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 230000004520 agglutination Effects 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical group [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- AUFVVJFBLFWLJX-UHFFFAOYSA-N [Mn].[La] Chemical compound [Mn].[La] AUFVVJFBLFWLJX-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- LPQOADBMXVRBNX-UHFFFAOYSA-N ac1ldcw0 Chemical compound Cl.C1CN(C)CCN1C1=C(F)C=C2C(=O)C(C(O)=O)=CN3CCSC1=C32 LPQOADBMXVRBNX-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 201000006747 infectious mononucleosis Diseases 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000678 plasma activation Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
- B01D53/8675—Ozone
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- B01J35/56—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
Abstract
The invention belongs to field of air purification device, disclose one kind and being used for outdoor air cleaning module, including plasma dust removal part and constant temperature catalyzing purify part, are specifically made of insulating support, discharge cell, constant temperature catalyzing module, wind turbine.The present invention is to drive module surrounding flow to flow into cleaning module by wind turbine, and environmental pollution air-flow initially enters plasma dust removal part filtration of particulate matters, and filtered air is by the degradation of normal temperature air cleaning module NOx, O3It is discharged by air duct at top after equal polluted gas.Reach filtration of particulate matters, the function of degradating pollution gas, outdoor air pollution is effectively relieved.
Description
Technical field
The invention belongs to Air Pollution Control and field of environment engineering, are related to a kind of for removing outdoor air fine particle
And typical gaseous pollutant, such as nitrogen oxides（NOx）, volatile organic matter (VOCs) and ozone (O3) cleaning module and purification
Method.
Background technology
With the fast development of China's economy, the continuous improvement of levels of industrialization and urbanization, vehicles number rapidly increases
Add, fine particle and typical gaseous pollutant discharge capacity increase year by year in air, seriously endanger ecological environment and people occupies life product
Matter；It is current to reduce particulate matter, NOx, the VOCs discharged in industrial processes both at home and abroad mainly by source control technology, due to
The economic scale of construction in China is big, even if industrial source emission is up to state standards, the total amount of pollutant that can be discharged into environment is still larger, because
This, developing effective surrounding air cleaning equipment and technological means there is important reality to anticipate the control of whole air environmental pollution
Justice；As Chinese patent CN104141993A discloses a kind of outdoor air including shell, filtration system and solar storage battery
Clarifier；CN205481453A discloses a kind of outdoor air clarifier including cabinet, wind turbine storehouse；But apparatus above is equal
Match with fixed profile, cannot flexibly be installed according to the demand of different occasions, therefore can be according to outside difference there is an urgent need for researching and developing one kind
Shape dress sets the cleaning module being adjusted flexibly, to adapt to the demand of different occasions；
Plasma technique is a kind of emerging air purifying process, and compared with conventional purge technology, nothing few with by-product is put
The advantages such as object generates, action time is short are penetrated, there is great market potential；Manganese-cerium composite oxide has good redox
Property, it can be used as the efficient catalytic material of low-temperature catalytic oxidation NOx, VOCs；Chinese patent CN101791550A discloses a kind of etc.
The method of efficiently catalyzing and oxidizing removal NO under the conditions of gas ions, this method is gas after low-temperature plasma activation, passes through dress
There are the fixed bed reactors of catalyst to be purified, wherein catalyst is manganese oxide, manganese lanthanum combined oxidation prepared by citric acid method
Object or manganese-cerium composite oxide etc.；But the above method is that catalysis oxidation removes NOx, reaction under 80-150 DEG C of hot conditions
High energy consumption is difficult to effectively purify typical air pollutant under normal temperature and pressure conditions；
Therefore, the present invention is combining on low temperature plasma air purification basis, is prepared by improved oxidation-coprecipitation
Manganese-cerium composite oxide；Developing a kind of shape can be adjusted flexibly according to different occasions, remove PM2.5Equal fine particles and normal-temperature efficient
Catalytic degradation NOx、VOCs、O3Outdoor air cleaning module.
Invention content
For the deficiency of existing ambient air pollution control technology, the present invention provides a kind of outdoor air cleaning module,
The module includes low temperature plasma dedusting module and constant temperature catalyzing module, and the two synergistic effect can not only effectively remove
PM in air2.5Equal fine particles, while NOx, O can be efficiently removed under normal temperature and pressure conditions3It is dirty with the typical airs such as VOCs
Contaminate object；
The present invention also provides a kind of outdoor air purification methods；
Technical scheme is as follows：
A kind of outdoor air cleaning module, the air-purifying module include low temperature plasma dedusting module and constant temperature catalyzing mould
Block, the low temperature plasma dedusting module include insulating support, gasket and several discharge cells；Each discharge cell passes through
Card slot is fixed on insulating support, and the gasket ensures that low temperature plasma dedusting module air-tightness is good；Each electric discharge is single
Member includes ground electrode and high-field electrode, the two coaxial placement；The constant temperature catalyzing module is by ceramic honey comb catalyst unit and axis stream
Wind turbine is integrated；
According to the present invention, it is 220 mm that the air-purifying module shell opens a radius respectively up and down, is highly 52-152 mm
Arc-shaped door, and surrounding encrypt seal, it is ensured that air-tightness is good；
According to the present invention, the air-purifying module further includes shell 1, bottom plate and top plate；At the bottom plate setting low temperature etc. from
Constant temperature catalyzing module is arranged in daughter dedusting module at top plate；Air inlet 2, air inlet is arranged in the shell 1 at bottom plate
The thick effect strainer 3 of place's setting, the bottom plate include thick effect strainer 4, and gas outlet 13 is arranged in the top plate；
According to the present invention, in the low temperature plasma dedusting module, each discharge cell is by outer metal cylinder, primary insulation cylinder
Holder and metal corona wire three parts composition；Outer metal cylinder is ground electrode, and ground electrode material is selected from stainless steel, copper, aluminium alloy
Equal conductive materials；Primary insulation cylinder is polytetrafluoroethylene (PTFE) for fixing high-field electrode, primary insulation cylinder material；High Voltage Electrode Contours
Can be linear, zigzag or needle-shaped, high-field electrode material is selected from the conductive materials such as copper, stainless steel, tungsten, carbon fiber；Several metals
Corona wire is screwed on primary insulation tube stent；Outer metal cylinder is connected with high voltage power supply ground terminal, internal gold
Belong to line with power supply high-pressure side to be connected, forms exoelectrical reaction channel between inner wire and outer metal cylinder；Primary insulation branch
Frame is solid construction, to ensure that gas is flowed through from exoelectrical reaction channel；According to the present invention, the plasma purification module
Shell is provided with handle；
According to the present invention, plasma purification module is set as three gears, and discharge voltage is respectively 8 kV, 12 kV, 16
kV；
According to the present invention, the constant temperature catalyzing module includes round pie ceramic honey comb catalyst unit and axial flow blower；
According to the present invention, the preparation method of the constant temperature catalyzing module includes the following steps：
A. ceramic honey comb catalyst unit is become one with axial flow blower, constant temperature catalyzing inside modules install 2-8 block round pies
The size of ceramic honey comb, round pie ceramic honey comb is diameter 50-300 mm, and thickness 50-150 mm, aperture is 1-5 mm；
B. it is corresponded in constant temperature catalyzing module and a radius is set at air-purifying module shell for 50-300 mm, be highly 52-
The arc-shaped door of 152 mm；
C. axial flow blower is mounted on constant temperature catalyzing module top, a diameter of 50-300 mm, and air quantity is 500-3000 m3/ h, connects
It is sealed at mouthful；
According to the present invention, the ceramic honey comb catalyst unit includes active component manganese-cerium composite oxide and honeycomb ceramic carrier；
The preparation method of the manganese-cerium composite oxide includes the following steps：
a）Soluble manganese salt, soluble cerium salt are add to deionized water, stir to being completely dissolved, obtains uniformly mixed
Solution, wherein Mn/Ce molar ratios are 1/10 ~ 10/1；
b）Oxidant is slowly added into the solution that step a is obtained, at room temperature stirring to dissolving；
c）Precipitating reagent is slowly added dropwise into step b acquired solutions, obtains brown precipitation；
d）It is filtered, washed, dries, roasts, manganese-cerium composite oxide material is made；
According to the present invention, in the step a), soluble manganese salt is selected from manganese nitrate, manganese sulfate, manganese chloride, the preferably nitric acid of 50 %
Manganese solution；Soluble cerium salt is selected from cerous nitrate, ammonium ceric nitrate, preferably cerous nitrate；
According to the present invention, in the step b), oxidant is persulfate, including ammonium persulfate, potassium peroxydisulfate, wherein oxidant
Molar ratio with manganese cerium integral molar quantity is 0.5 ~ 1.5；
According to the present invention, in the step c), it is 9-11 that precipitating reagent, which is slowly added dropwise, and adjusts the pH value of solution, and 50-90 DEG C of constant temperature stirs
It mixes 2-6 hours；Precipitating reagent is selected from ammonium hydroxide（A concentration of 10-30 %）, sodium carbonate（0.5-2 mol/L）, sodium bicarbonate（0.5-2
mol/L）, sodium hydroxide (0.1-0.5 mol/L)；
According to the present invention, in the step d), washing sample to neutrality, drying temperature is 60-110 DEG C, 12 hours dry, roasting
It is 200-500 DEG C to burn temperature, is roasted 3-7 hours；
According to the present invention, the preparation method of the ceramic honey comb catalyst unit includes the following steps：
A. manganese-cerium composite oxide powder body material is added in deionized water, stirring, ultrasound is uniformly dispersed, obtains dispersion liquid；
B. a certain amount of colloidal sol is added in the dispersion liquid that step a is obtained, stirs, ultrasound is uniformly dispersed；
C. honeycomb ceramic carrier is put into the mixed liquor that step b is obtained and is impregnated；
D. the ceramic honey comb after dipping is taken out, it is dry, it is obtained to load the ceramic honey comb catalyst unit for having manganese-cerium composite oxide；
According to the present invention, in step a, the grain size of manganese-cerium composite oxide powder body material is more than 400 mesh, a concentration of 5- of dispersion liquid
100 g/L；
According to the present invention, in step b, the volume ratio of colloidal sol and dispersion liquid is 0.01-0.1, and the colloidal sol is TiO 2 sol
With the one or two of silicon dioxide gel；
According to the present invention, in step c, the honeycomb ceramic carrier is cordierite, mullite, silicon carbide, aluminium oxide, activated carbon
One or more, honeycomb ceramic carrier removes water-soluble object on surface before use, cleaned up with deionized water and ethyl alcohol
Matter and organic matter, 80 DEG C of drying, dip time are 0.5-12 hours；
According to the present invention, in step d, drying temperature is 60-120 DEG C, 1-24 hours dry；
According to the present invention, a kind of air purification method according to the air-purifying module, the purification method includes following step
Suddenly：
1) environmental pollution gas enters plasma purification module；
2) enter constant temperature catalyzing module by the air after plasma purification module；
, according to the invention it is preferred to, a kind of air purification method according to the air-purifying module, the purification method includes
Following steps：
1) environmental pollution gas enters plasma purification module through thick effect strainer；
2) enter constant temperature catalyzing module by the air after plasma purification module, in ceramic honey comb catalyst unit
After constant temperature catalyzing reaction occurs, cleaned air is discharged by axial flow blower by gas outlet；
Low temperature plasma dedusting module of the present invention can not only remove particulate matter, be provided simultaneously with certain gaseous contamination
Object degradation function；It is main that following reaction occurs when outside air sucks discharge of plasma in low temperature region by wind turbine：（1）It is low
The high energy electron generated in isothermal plasma field keeps particulate matter charged, assembles under electric field action, realizes dust agglutination；（2）It is low
The a large amount of active species generated in isothermal plasma field（OH, O etc.）Occur with the typical gaseous pollutant such as toluene a series of
Gaseous pollutant is decomposed into nontoxic ingredient by redox reaction；
Constant temperature catalyzing module of the present invention is efficient at room temperature, NOx, O in air of rapidly degrading3, the typical gas such as VOCs
State pollutant；Manganese-cerium composite oxide in ceramic honey comb catalyst unit is prepared using oxidation-coprecipitation, and this method prepares work
Skill is simple, easily amplification produces, and it is selectively low to be catalyzed the toxic byproduct that reaction generates；The honeycomb ceramic carrier has a large amount of flat
The uniform duct of row, windage is low, large specific surface area, is conducive to pollution gas and is fully connect with manganese-cerium composite oxide inside duct
It touches, improves reaction efficiency；And ceramic honey comb mechanical strength is big, not easy to wear and easy to process at different sizes, applicability is wide；
Ceramic honey comb catalyst unit is of low cost, not will produce secondary pollution, and large-scale production is suitble to prepare；
Beneficial effects of the present invention are：
1. the invention firstly uses low temperature plasma dedusting modules to filter PM2.5Equal fine particles, increase after dedusting module
Add constant temperature catalyzing module, further eliminates low concentration typical case's gaseous pollutant in air, it is stifled that this technique avoids fine particle
Active catalyst sites are filled in, reduce the friction of large particle and catalyst, to improve catalyst service life；And the present invention
Air-purifying module can efficiently remove in air typical gaseous pollutant at normal temperatures and pressures；
2. the dedusting module of the present invention uses lower temperature plasma technology, fine particle in air can be effectively removed, device can be determined
Phase disassembly, cleaning, easy to maintain, nothing needs to change, at low cost；
3. the present invention catalysis material using a kind of improvement oxidation-chemical coprecipitation technique prepare, the material can remove simultaneously NOx,
VOCs、O3Three classes polluted gas, effective cleaning ambient air；By catalysis material and honeycomb ceramic carrier molding bonded, technique letter
It is single feasible, it is easy to large-scale promotion；
4. the air cleaning unit of the present invention can be according to the demand of different occasions, in conjunction with Landscape Lamp, billboard, dustbin etc.
Different application carrier is flexibly installed.
Description of the drawings
Fig. 1 is the manganese-cerium composite oxide and CeO of different manganese cerium molar ratios2（JCPDS No. 34-0394）XRD spectrum
Figure
Fig. 2 is manganese-cerium composite oxide（Molar ratio Mn:Ce=5:1）SEM schemes
Fig. 3 is air cleaning unit overall schematic
Fig. 4 is catalytic module internal structure schematic diagram
Fig. 5 is air cleaning unit appearance diagram
Fig. 6 is discharge cell structural schematic diagram
Wherein, the corresponding title of reference numeral is as follows：
1, shell, 2, air inlet, 3, thick effect strainer I, 4, thick effect strainer II, 5, low temperature plasma dedusting module, 6, electric discharge it is single
Member, 6-1, screw, 6-2, metal corona wire, 6-3, metal cylinder, 6-4, primary insulation holder, 7, insulating support, 8, buckle, 9, carry
Hand, 10, constant temperature catalyzing module, 11, buckle, 12, axial flow blower, 13, gas outlet, 14, groove.
Specific implementation mode
Air-purifying module of the present invention includes shell 1, low temperature plasma dedusting module 5 and constant temperature catalyzing module
10, low temperature plasma dedusting module 5 includes insulating support 7, gasket and several discharge cells 6；Each discharge cell 6 passes through
Card slot is fixed on 7 on insulating support, and gasket prevents the low temperature plasma dedusting module gas leakage；Each discharge cell includes
Ground electrode and high-field electrode, the two coaxial placement；Plasma purification module housing is provided with handle；Constant temperature catalyzing module
10 are integrated in one by ceramic honey comb catalyst unit and axial flow blower 12, and ceramic honey comb catalyst unit number of modules is according to specific needs
Carry out selection installation；Installation ceramic honey comb catalyst unit corresponds in the constant temperature catalyzing module opens one at cleaning module cell enclosure
A radius is 50-300 mm, the highly arc-shaped door for 52-152 mm, and encrypts seal in surrounding；Air-purifying module further includes
Bottom plate and top plate；The setting low temperature plasma dedusting module 5 at bottom plate, the setting constant temperature catalyzing module 10 at top plate；
Air inlet 2 is set on shell 1 at close bottom plate, thick effect strainer 3 is set at air inlet, bottom plate imitates strainer 4, top plate setting including thick
Gas outlet 13；The fixed seat of clamp button of the spring 8 is connected with constant temperature catalyzing module 10, by constant temperature catalyzing module cylinder and low temperature plasma
Module cylinder is tightly fastened by snap lock to be connected as one；Groove 14 is welded as a whole with constant temperature catalyzing module cylinder inner wall, rises
To the effect of support constant temperature catalyzing module 10；
The operation principle of the present apparatus is as follows：
Axial flow blower is opened, pollutant is tentatively filtered by the thick effect strainer 3 and thick effect strainer 4 of air inlet 2, removes coarse granule,
Pass through plasma purification module 5 later and efficiently removes PM in surrounding air2.5Equal fine particles, when air enters low temperature
It is main that following reaction occurs when plasma discharge：（1）The high energy electron generated in low temperature plasma field makes particulate matter
It is charged, assemble under electric field action, realizes dust agglutination；（2）The a large amount of active species generated in low temperature plasma field（·
OH, O etc.）A series of redox reactions occur with gaseous pollutants such as toluene, gaseous pollutant is made to be decomposed into carbon dioxide
And water；Pollution gas after dust removal by filtration enters constant temperature catalyzing module 10, under the action of ceramic honey comb catalyst unit,
NOx, O in air3, the gaseous pollutants such as VOCs by thorough catalytic degradation, purified air is discharged by gas outlet 13；
Embodiment 1：
The preparation method of ceramic honey comb catalyst unit is as follows：
1）Powder catalyst preparation step：
Using the manganese nitrate solution of 50 %, six nitric hydrate ceriums as raw material, ammonium persulfate is oxidant, and ammonium hydroxide is precipitating reagent, according to
It is 1 that above-mentioned preparation method, which prepares manganese cerium molar ratio,:5 manganese-cerium composite oxide powder, specific steps：
A. by 0.62 mL, 50 %Mn (NO3)2Solution and 5.79 g Ce (NO3)3•6H2O is added in 20 mL deionized waters,
Dissolving is stirred at room temperature；
B. 3.65 g (NH are slowly added to4)2S2O8Into step a acquired solutions, with 25% NH after stirring and dissolving3•H2O is slowly adjusted
It saves pH value to stir 2 hours to 10,60 DEG C, gained precipitation is filtered, washed, 70 DEG C of dryings 12 hours,
C. in Muffle furnace 300 DEG C roast 6 hours, that is, obtain manganese cerium molar ratio be 1:5 manganese-cerium composite oxide powder；
2）Shaping of catalyst preparation process：
A. it is 1 by molar ratio:5 manganese cerium oxide powder grinding, crosses 400 mesh screens, weighs 10 g, 1 L deionized waters are added
In, 30 min are stirred, 10 min of ultrasound make it be uniformly dispersed, obtain manganese cerium oxide powder mixed liquor；
B. 50 mL silicon dioxide gels are measured, above-mentioned manganese cerium oxide powder mixed liquor is added, stir 30 min, ultrasound 10
Min obtains manganese cerium oxide powder and silica mixed liquor；
C. cellular alumina ceramics are cleaned up with deionized water and ethyl alcohol, 80 DEG C of drying, by the aluminium oxide after pre-treatment
Ceramic honey comb is impregnated in above-mentioned manganese cerium oxide powder with silica mixed liquor, impregnates 30 min, takes out the oxygen after dipping
Change the 80 DEG C of drying of aluminum honeycomb ceramics, repeated impregnations-drying 3 times obtains the cellular alumina pottery of Supported Manganese cerium oxide powder
Porcelain；
Embodiment 2
Ceramic honeycomb catalyst is prepared according to the method for embodiment 1, the difference is that, manganese cerium molar ratio is 1:1；
Embodiment 3
Ceramic honeycomb catalyst is prepared according to the method for embodiment 1, the difference is that, manganese cerium molar ratio is 5:1；
The CeO of the invention method synthesis as seen from Figure 12Catalysis material is cube phase structure, the MnO of synthesisxIt is unformed
Structure；The manganese-cerium composite oxide of synthesis, with the increase of Mn/Ce molar ratios, the crystallinity of the oxide weakens, and works as manganese cerium
Molar ratio is 5:When 1, start the manganese-cerium composite oxide for undefined structure occur；
The manganese-cerium composite oxide of inventive method synthesis has preferable pattern as seen from Figure 2, shows by thin layer nanometer
Flower ball-shaped made of piece self assembly, such specific microscopic appearance make the material have larger specific surface area, are conducive to pollute
The absorption and removal of object；
Comparative example：
Ceramic honeycomb catalyst is prepared according to the method for embodiment 1, the difference is that, manganese-cerium composite oxide uses citric acid
Prepared by method, and manganese cerium molar ratio is 5:1；
A. by 3.10 mL, 50% Mn (NO3)2Solution, 1.16 g Ce (NO3)3•6H2O and 3.36 g Citric Acid Monos are added
Into 20 mL deionized waters, yellow sol is formed in 80 DEG C of stirrings；
B. by gained colloidal sol at 100 DEG C dry 12 h, then in Muffle furnace 300 DEG C of 6 h of roasting to get to manganese cerium mole
Than being 5:1 composite oxide powder；
Application examples
For the air cleaning unit module by the high 35-50 cm low temperature plasma dedusting modules in lower section, the high 45-60 cm in top are normal
Warm catalytic module composition, device generally 35 cm drums of diameter；Wherein low temperature plasma dedusting module include insulating support and
8 kV, 12 kV, 16 kV different stalls discharge cells；Each discharge cell includes ground electrode and high-field electrode, and the two is coaxially put
It sets and is fixed on insulating support by card slot；Pass through clamp button of the spring among low temperature plasma dedusting module and constant temperature catalyzing module
Sealing link；Constant temperature catalyzing module includes 2-8 blocks diameter 50-300 mm, and thickness 50-150 mm, aperture is the cake of 1-5 mm
Shape ceramic honey comb catalyst unit and air quantity are 500-1500 m3/ h axial flow blowers are integrated in one, and pollutant passes through low temperature etc.
After gas ions dedusting module dust filtering, nitric oxide is purified using constant temperature catalyzing module（NO）, toluene, O3Equal pollution gas,
Last clean gas is discharged by top wind turbine；
Under normal temperature and pressure conditions, NO, toluene, O are used3Mixed gas is being mounted with embodiment 1-3 and comparative example ceramic honey comb
The above-mentioned air-purifying module of catalyst unit is tested for the property respectively；A concentration of 500 ppb of NO, toluene concentration are in gaseous mixture
200 ppb, O3The air quantity of a concentration of 500 ppb, wind turbine are 1000 m3/ h, discharge of plasma in low temperature voltage are 12 kV, test
The whole capability of the air-purifying module dedusting and degradating pollution gas；Experimental result is as shown in table 1；
1 typical air pollutants removal rate of table
As can be seen from Table 1, outdoor air cleaning module of the invention can not only effectively remove the PM in air2.5Etc. thin
Grain object, while NOx, O can be efficiently removed under normal temperature and pressure conditions3With the typical airs pollutant such as VOCs；Also, the present invention is logical
Cross improved oxidation-coprecipitation prepare manganese-cerium composite oxide catalyst relative to existing lemon hair prepare manganese cerium it is compound
Oxide catalyst has more preferably go out NOx, O3With the effect of the typical airs pollutant such as VOCs；
It is all using equivalent substitution or equivalent transformation it should be noted that the invention is not limited in any way for above-described embodiment
The technical solution that mode is obtained, all falls in protection scope of the present invention.
Claims (10)
1. a kind of outdoor air cleaning module, it is characterised in that：The air-purifying module includes low temperature plasma dedusting mould
Block and constant temperature catalyzing module, the low temperature plasma dedusting module includes insulating support, gasket and several discharge cells；Often
A discharge cell is fixed on by card slot on insulating support, and the gasket ensures that low temperature plasma dedusting module air-tightness is good
It is good；Each discharge cell includes ground electrode and high-field electrode, the two coaxial placement；The constant temperature catalyzing module is urged by ceramic honey comb
Change unit and axial flow blower is integrated.
2. air-purifying module according to claim 1, it is characterised in that：Air-purifying module further includes shell 1, bottom plate
And top plate；Low temperature plasma dedusting module is set at bottom plate, constant temperature catalyzing module is set at top plate；The shell
1 is arranged air inlet 2 at bottom plate, and thick effect strainer 3 is arranged at air inlet, and the bottom plate imitates strainer 4 including thick, and the top plate is set
Set gas outlet 13.
3. air-purifying module according to claim 1 or 2, it is characterised in that：Above and below the air-purifying module shell
It is 220 mm, the highly arc-shaped door for 52-152 mm to open a radius respectively, and encrypts seal in surrounding, it is ensured that air-tightness is good
It is good；In the low temperature plasma dedusting module, each discharge cell is by outer metal cylinder, primary insulation tube stent and metal electricity
Hachure three parts form；Outer metal cylinder is ground electrode, and ground electrode material is selected from the conductive materials such as stainless steel, copper, aluminium alloy；It is interior
Layer insulating cylinder is polytetrafluoroethylene (PTFE) for fixing high-field electrode, primary insulation cylinder material；High Voltage Electrode Contours can be linear, sawtooth
Shape is needle-shaped, and high-field electrode material is selected from the conductive materials such as copper, stainless steel, tungsten, carbon fiber；Several metal corona wires pass through screw
It is fixed on primary insulation tube stent；Outer metal cylinder is connected with high voltage power supply ground terminal, inner wire and power supply high pressure
End is connected, and exoelectrical reaction channel is formed between inner wire and outer metal cylinder；Primary insulation holder is solid construction, with
Ensure that gas is flowed through from exoelectrical reaction channel；The plasma purification module housing is provided with handle.
4. air-purifying module according to claim 1 or 2, it is characterised in that：The constant temperature catalyzing inside modules installation
The size of 2-8 block round pie ceramic honey combs, round pie ceramic honey comb is diameter 50-300 mm, and thickness 50-150 mm, aperture is
1-5 mm。
5. air-purifying module according to claim 1 or 2, it is characterised in that：The preparation side of the constant temperature catalyzing module
Method includes the following steps：
A. ceramic honey comb catalyst unit is become one with axial flow blower, constant temperature catalyzing inside modules install 2-8 block round pies
The size of ceramic honey comb, round pie ceramic honey comb is diameter 50-300 mm, and thickness 50-150 mm, aperture is 1-5 mm；
B. it is corresponded in constant temperature catalyzing module and a radius is set at air-purifying module shell for 50-300 mm, be highly 52-
The arc-shaped door of 152 mm；
C. axial flow blower is mounted on constant temperature catalyzing module top, a diameter of 50-300 mm, and air quantity is 500-3000 m3/ h, interface
Place's sealing.
6. air-purifying module according to claim 1 or 2, it is characterised in that：The ceramic honey comb catalyst unit includes
Active component manganese-cerium composite oxide and honeycomb ceramic carrier；The preparation method of the manganese-cerium composite oxide includes following step
Suddenly：
a）Soluble manganese salt, soluble cerium salt are add to deionized water, stir to being completely dissolved, obtains uniformly mixed
Solution, wherein Mn/Ce molar ratios are 1/10 ~ 10/1；
B) oxidant is slowly added into the solution that step a is obtained by, at room temperature stirring to dissolving；
C) precipitating reagent is slowly added dropwise into step b acquired solutions in, obtains brown precipitation；
D) is filtered, washed, dries, roasts, and manganese-cerium composite oxide material is made.
7. air-purifying module according to claim 6, which is characterized in that in the institute step a), soluble manganese salt choosing
From manganese nitrate, manganese sulfate, manganese chloride, the preferably manganese nitrate solution of 50 %；Soluble cerium salt is selected from cerous nitrate, ammonium ceric nitrate, excellent
Select cerous nitrate；In the step b), oxidant is persulfate, including ammonium persulfate, potassium peroxydisulfate, wherein oxidant and manganese cerium
The molar ratio of integral molar quantity is 0.5 ~ 1.5；In the step c), it is 9-11,50- that precipitating reagent, which is slowly added dropwise, and adjusts the pH value of solution
90 DEG C of constant temperature stir 2-6 hours；Precipitating reagent is selected from ammonium hydroxide（A concentration of 10-30 %）, sodium carbonate（0.5-2 mol/L）, bicarbonate
Sodium（0.5-2 mol/L）, sodium hydroxide (0.1-0.5 mol/L)；In the step d), washing sample to neutrality, drying temperature
It it is 60-110 DEG C, 12 hours dry, calcination temperature is 200-500 DEG C, is roasted 3-7 hours.
8. according to claim 1-6 any one of them air-purifying modules, which is characterized in that the ceramic honey comb catalyst unit
Preparation method include the following steps：
A. manganese-cerium composite oxide powder body material is added in deionized water, stirring, ultrasound is uniformly dispersed, obtains dispersion liquid；
B. a certain amount of colloidal sol is added in the dispersion liquid that step a is obtained, stirs, ultrasound is uniformly dispersed；
C. honeycomb ceramic carrier is put into the mixed liquor that step b is obtained and is impregnated；
D. the ceramic honey comb after dipping is taken out, it is dry, it is obtained to load the ceramic honey comb catalyst unit for having manganese-cerium composite oxide.
9. air-purifying module according to claim 8, which is characterized in that in step a, manganese-cerium composite oxide powder material
The grain size of material is more than 400 mesh, a concentration of 5-100 g/L of dispersion liquid；In step b, the volume ratio of colloidal sol and dispersion liquid is 0.01-
0.1, the colloidal sol is the one or two of TiO 2 sol and silicon dioxide gel；In step c, the honeycomb ceramic carrier
For cordierite, mullite, silicon carbide, aluminium oxide, activated carbon it is one or more, honeycomb ceramic carrier is before use, use deionization
Water and ethyl alcohol clean up, and remove water-soluble substance and organic matter on surface, 80 DEG C of drying, dip time 0.5-12
Hour；In step d, drying temperature is 60-120 DEG C, 1-24 hours dry.
10. a kind of air purification method of air-purifying module according to one of claim 2-9, which is characterized in that packet
It includes：
1）Environmental pollution gas enters plasma purification module through thick effect strainer；
2）Air after plasma purification module enters constant temperature catalyzing module, is sent out in ceramic honey comb catalyst unit
After raw constant temperature catalyzing reaction, cleaned air is discharged by axial flow blower by gas outlet.
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| CN111974380B (en) * | 2020-08-31 | 2022-10-04 | 无锡威孚环保催化剂有限公司 | Ozone decomposition catalyst and preparation method thereof |
| CN112944554A (en) * | 2021-02-19 | 2021-06-11 | 西安交通大学 | Air sterilizer based on low-temperature plasma concerted catalysis technology |
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