CN113230874A - Odor treatment device and application thereof - Google Patents
Odor treatment device and application thereof Download PDFInfo
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- CN113230874A CN113230874A CN202110478048.3A CN202110478048A CN113230874A CN 113230874 A CN113230874 A CN 113230874A CN 202110478048 A CN202110478048 A CN 202110478048A CN 113230874 A CN113230874 A CN 113230874A
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- activated carbon
- odor
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 380
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 63
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 56
- 239000011148 porous material Substances 0.000 claims abstract description 23
- 238000004332 deodorization Methods 0.000 claims abstract description 19
- 150000002500 ions Chemical class 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 25
- 238000001179 sorption measurement Methods 0.000 abstract description 25
- 239000003344 environmental pollutant Substances 0.000 abstract description 16
- 231100000719 pollutant Toxicity 0.000 abstract description 16
- 229920006395 saturated elastomer Polymers 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000004887 air purification Methods 0.000 abstract description 2
- 235000019645 odor Nutrition 0.000 description 100
- 239000007789 gas Substances 0.000 description 55
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 30
- 238000002791 soaking Methods 0.000 description 27
- 238000002360 preparation method Methods 0.000 description 26
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 18
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 13
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000007598 dipping method Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 5
- 238000009298 carbon filtering Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- YKYOUMDCQGMQQO-UHFFFAOYSA-L Cadmium chloride Inorganic materials Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910019029 PtCl4 Inorganic materials 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- WURFKUQACINBSI-UHFFFAOYSA-M ozonide Chemical compound [O]O[O-] WURFKUQACINBSI-UHFFFAOYSA-M 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical class O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- -1 oxygen ions Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—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 irradiation
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- 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
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
-
- 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
- B01D2253/30—Physical properties of adsorbents
- B01D2253/34—Specific shapes
- B01D2253/342—Monoliths
- B01D2253/3425—Honeycomb shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
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- 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
- B01D2259/804—UV light
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to an odor treatment device and application thereof, belonging to the technical field of air purification. The invention provides an odor treatment device, which comprises a box body, wherein the box body is provided with an air inlet and an air outlet, an active carbon filter screen is arranged in the box body, and active carbon in the active carbon filter screen is active carbon with metal ions modified on the surface and/or in a pore passage; the modified metal ion in active carbon surface and/or the pore that odor treatment device used can be after the active carbon adsorbs the foul smell, the normal position with the pollutant reaction in the foul smell, and then show the total absorption volume that pierces through of active carbon to the foul smell, with the total absorption volume that pierces through of active carbon to the foul smell improve to 280mg/g, saturated adsorption capacity improves to 400mg/g, the deodorization that uses active carbon in a large number and lead to when effectively having avoided the deodorization is with high costs and secondary pollution problem.
Description
Technical Field
The invention relates to an odor treatment device and application thereof, belonging to the technical field of air purification.
Background
In recent years, the construction of urban drainage systems in China is becoming more and more perfect, and data in 2015 shows that only 3600 seats in China exist in sewage treatment plants, but a large amount of malodorous gas is often generated in the running process of the drainage systems. With the upgrading and modification of sewage treatment plants and the stricter and stricter discharge indexes of gaseous pollutants of sewage plants, the deodorization and treatment of sewage treatment plants become more important. The odor source of the sewage treatment plant is mainly malodorous gas volatilized from sewage to be treated and odor released in the processes of sludge concentration, dehydration and outward transportation. The main components of these odors include contaminants such as hydrogen sulfide, methyl mercaptan, and dimethyl disulfide.
At present, for the removal of odor, domestic common methods comprise an activated carbon adsorption method, a photo-oxygen catalysis method, a high-energy ion method and the like. Wherein, the active carbon adsorption has a long application foundation in the field of deodorization, and is an economic and reliable treatment method. For example, patent document CN209809869U discloses a drawer-type activated carbon adsorption box, which can achieve the effect of continuously purifying odor by continuously replacing activated carbon. However, the total penetrating adsorption capacity of the existing activated carbon to the odor is not high, which results in that the activated carbon is frequently replaced or desorbed and regenerated when a large amount of activated carbon is used for adsorption and deodorization, which undoubtedly increases the cost of using the activated carbon for deodorization and has the problem of secondary pollution.
Techniques for deodorization using photo-oxidative catalysis have also become mature. For example, patent document CN112090170A discloses a filter element material for removing zinc ozonide by ultraviolet light cold combustion, and the filter element material for removing zinc ozonide by ultraviolet light cold combustion can be used to purify pollutants in odor by a photocatalytic process of irradiating malodorous gas and zinc oxide with ultraviolet light beams. However, the photo-oxidation catalysis method generally has a problem of low treatment efficiency.
The high-energy ion method has the obvious advantages of stable and good deodorization effect, small occupied area, no secondary pollution, simple operation, low energy consumption and the like, and has increasingly important in the field of deodorization. For example, patent document CN206688476U discloses a high-energy ion deodorization and purification apparatus, which utilizes the principle of point discharge to form a large number of active oxygen molecule clusters and integrated strings to instantaneously oxidize and decompose malodorous gases, thereby improving deodorization efficiency. However, the positive and negative ions obtained by the high-energy ion generator are easy to recombine into neutral oxygen in the mixing process, and the problem of losing the function of decomposing odor pollutant molecules is solved.
Disclosure of Invention
In order to solve the above defects, the present invention provides an odor treatment device, comprising a box body; the box body is provided with an air inlet and an air outlet; the box body is internally provided with an active carbon filter screen, so that the gas entering the box body from the gas inlet can be filtered by the active carbon filter screen; the active carbon in the active carbon filter screen is the active carbon with metal ions modified on the surface and/or in the pore canal.
In one embodiment of the invention, a high-energy ion generator is further arranged in the box body, and gas entering the box body from the air inlet sequentially passes through the high-energy ion generator and the activated carbon filter screen.
In one embodiment of the invention, an ultraviolet lamp is further arranged in the box body, and gas entering the box body from the gas inlet sequentially passes through the high-energy ion generator, the activated carbon filter screen and the ultraviolet lamp.
In one embodiment of the invention, a guide plate is further arranged in the box body, and gas entering the box body from the gas inlet sequentially passes through the guide plate, the high-energy ion generator, the activated carbon filter screen and the ultraviolet lamp.
In an embodiment of the present invention, the air deflector has a hole.
In one embodiment of the invention, a gas filter screen is further arranged in the box body, and gas entering the box body from the gas inlet sequentially passes through the guide plate, the gas filter screen, the high-energy ion generator, the activated carbon filter screen and the ultraviolet lamp.
In one embodiment of the invention, the air outlet is connected with an induced draft fan, so that the air entering the box body from the air inlet can be exhausted from the box body.
In one embodiment of the invention, one end where the air inlet is located is taken as the left end of the box body, one end where the air outlet is located is taken as the right end of the box body, and a flow guide module, an ion generation module and an active carbon filtering module are sequentially arranged in the box body from left to right; a plurality of guide plates are arranged in the guide module; a plurality of high-energy ion generators are arranged in the ion generating module; the flow guide module and the ion generation module are separated by a gas filter screen; the active carbon filter module is the multilayer setting, all be equipped with active carbon filter screen and ultraviolet lamp in each layer of active carbon filter module alone.
In one embodiment of the present invention, the activated carbon filter screen is transversely disposed in each layer of the activated carbon filter module, and the gas introduced into the activated carbon filter module passes through the activated carbon filter screen and the ultraviolet lamp in sequence.
In one embodiment of the invention, the metal ion comprises Zn2+、Fe3+、Cu2+、Cd2+、Ag2+And Ti2+At least one of (1).
In one embodiment of the invention, the metal ion comprises Zn2+、Cu2+And Cd2+(ii) a Zn on the surface and/or in the pore channels of the active carbon2+、Cu2+And Cd2+The molar ratio of (A) to (B) is 3-4: 1-2: 0.2-0.5;
alternatively, the metal ion comprises Fe3+、Ag+And Pt4+(ii) a Fe on the surface and/or in the pore channels of the active carbon3+、Ag+And Pt4+The molar ratio of (A) to (B) is 5-10: 0.1-0.2: 0.5-2;
alternatively, the metal ion comprises Zn2+、Cu2+And Fe3+(ii) a Zn on the surface and/or in the pore channels of the active carbon2+、Cu2+And Fe3+The molar ratio of (A) to (B) is 2-3: 0.5-1: 1-2.
In one embodiment of the present invention, the activated carbon comprises at least one of granular activated carbon, honeycomb activated carbon, fibrous activated carbon, powdered activated carbon, and coconut shell activated carbon.
In one embodiment of the present invention, the preparation method of the activated carbon with the surface modified with metal ions comprises the following steps:
coating: coating the metal ion solution on the surface of the activated carbon to enable the metal ions to be adsorbed on the surface of the activated carbon;
the preparation method of the active carbon with the pore channels modified with metal ions comprises the following steps:
and (3) dipping: and (3) dipping the activated carbon into the metal ion solution, so that the metal ions are loaded in the pore channels of the activated carbon.
In one embodiment of the present invention, the metal ion solution contains Zn2+、Fe3+、Cu2+、Cd2+、Ag2+And Ti2+At least one of (1).
In one embodiment of the present invention, the metal ion solution contains Zn2+、Cu2+And Cd2+(ii) a In the metal ion solution, Zn2+、Cu2+And Cd2+The molar ratio of (A) to (B) is 3-4: 1-2: 0.2-0.5;
alternatively, the metal ion solution contains Fe3+、Ag+And Pt4+(ii) a In the metal ion solution, Fe3+、Ag+And Pt4 +The molar ratio of (A) to (B) is 5-10: 0.1-0.2: 0.5-2;
alternatively, the metal ion solution contains Zn2+、Cu2+And Fe3+(ii) a In the metal ion solution, Zn2+、Cu2+And Fe3+The molar ratio of (A) to (B) is 2-3: 0.5-1: 1-2.
In one embodiment of the present invention, the total concentration of the metal ion solvent in the metal ion solution is 5 to 200 g/L.
In one embodiment of the present invention, before the impregnation step, a pretreatment step is further included; the pretreatment steps are as follows: firstly, soaking the activated carbon in an acid solution or an alkali solution, then drying the activated carbon, and then soaking the activated carbon in an organic solvent.
In one embodiment of the present invention, the preprocessing step is: firstly, soaking the activated carbon in an acid solution or an alkali solution for 5-100 min, and then soaking the activated carbon in an organic solvent for 2-60 min.
In one embodiment of the present invention, after the impregnation step, a post-treatment step is further included; the post-treatment steps are as follows: firstly, drying the activated carbon, and then soaking the activated carbon in an acid solution or an alkali solution to adjust the pH value of the surface of the activated carbon.
In one embodiment of the present invention, the pH of the surface of the activated carbon is 5.0 to 13.
In one embodiment of the invention, the acid solution comprises HNO3Solution, HSO4Solution, HCl solution and CH3At least one of COOH solution.
In one embodiment of the present invention, the concentration of the acid solution is 1 to 50 g/L.
In one embodiment of the invention, the alkali solution comprises NaOH solution, NH3·H2At least one of O solutions.
In one embodiment of the present invention, the concentration of the alkali solution is 0.5 to 30 g/L.
In one embodiment of the present invention, the organic solvent includes at least one of methanol, ethanol, and acetone.
In one embodiment of the invention, the impregnation step is carried out under high pressure compression, suction under negative pressure or heating.
In one embodiment of the invention, the pre-treatment step is carried out under high pressure compression, negative pressure suction or heating.
In one embodiment of the invention, the installation angle of the guide plate is 10-80 degrees.
In one embodiment of the present invention, the aperture size of the holes on the baffle is 5 to 100mm, and the hole pitch is 1.05 to 2.0 times the aperture size.
In one embodiment of the invention, the gas filter screen is rated from G3 to H13 and is made of at least one of PP, PE, PTFE, fiberglass, wood pulp paper, stainless steel and ceramic fiber.
In one embodiment of the present invention, the high energy ion generator is formed by combining 1 to 20 high energy ion tubes.
In one embodiment of the present invention, the high energy ionizer is disposed uniformly in the ion generating module or in equal proportion to the flow rate of the gas introduced into the ion generating module.
In one embodiment of the present invention, the ultraviolet lamp is composed of 1-10 ultraviolet lamp tubes.
In one embodiment of the invention, the ultraviolet lamp has a wavelength of 254nm to 365nm and a power of 0.1 to 5 Kw.
In one embodiment of the present invention, the distance between the guide plate and the gas filter screen is 100 to 1000 mm.
In one embodiment of the present invention, the horizontal distance between the gas filter and the high energy ion generator is 100 to 500 mm.
In one embodiment of the present invention, the horizontal distance between the high energy ion generator and the activated carbon filter screen is 100 to 600 mm.
In one embodiment of the invention, the vertical distance between the activated carbon filter screens is 100-800 mm.
In one embodiment of the present invention, the number ratio of the high-energy ion generator to the activated carbon filter screen is 0.5-2.
The invention also provides a method for removing the odor, which is to treat the odor by using the odor treatment device.
The invention also provides the application of the odor treatment device or the odor removal method in deodorization.
The technical scheme of the invention has the following advantages:
the invention provides an odor treatment device and a method for removing odor by using the odor treatment device, wherein the odor treatment device comprises a box body, an air inlet and an air outlet are formed in the box body, an activated carbon filter screen is arranged in the box body, and activated carbon in the activated carbon filter screen is activated carbon with metal ions modified on the surface and/or in a pore passage; the modified metal ion in active carbon surface and/or the pore that odor treatment device used can be after the active carbon adsorbs the foul smell, the normal position with the pollutant reaction in the foul smell, and then show the total absorption volume that pierces through of active carbon to the foul smell, with the total absorption volume that pierces through of active carbon to the foul smell improve to 280mg/g, saturated adsorption capacity improves to 400mg/g, the deodorization that uses active carbon in a large number and lead to when effectively having avoided the deodorization is with high costs and secondary pollution problem.
Furthermore, the active carbon used by the odor treatment device can adjust the types and the proportions of the modified metal ions on the surface and/or in the pore canal of different odor pollutants, so as to further improve the deodorization effect.
Further, after the odor treatment device is used for deodorization, odor pollutants in a certain proportion are solidified on the surface of the active carbon and/or metal ions modified in the pore canal due to chemical reaction, so that when the active carbon of the odor treatment device is desorbed and regenerated, the odor pollutants physically adsorbed in the active carbon are more easily desorbed in a heating mode and the like, and the performance of the odor pollutants is recovered again.
Further, a high-energy ion generator is also arranged in the box body of the odor treatment device; the odor treatment device couples the high-energy ion generator and the active carbon filter screen, thereby not only enhancing the utilization efficiency of active negative oxygen ion groups generated by the high-energy ion generator, but also utilizing the micro-channel structure of the active carbon to adsorb odor pollution, providing an effective carrier for the reaction of the active negative oxygen ion groups generated by the high-energy ion generator and odor pollutant molecules, and effectively avoiding the problem that when high-energy ions are independently adopted to remove odor, positive and negative ions are easily recombined into neutral oxygen in the mixing process and lose the effect of decomposing the odor pollutant molecules. In the process, the activated carbon is not a single adsorption function, needs to be replaced after saturation, and can be used as a reaction carrier for a long time.
Further, an ultraviolet lamp is also arranged in the box body of the odor treatment device; the odor treatment device couples the activated carbon filter screen and the ultraviolet lamp, and on one hand, the ultraviolet light can effectively strengthen the reaction process on the surface of the activated carbon and/or in the pore canal, so as to further improve the deodorization effect, and on the other hand, the ultraviolet light can effectively convert odor pollutant molecules adsorbed on the surface of the activated carbon and/or in the pore canal into harmless substances, so that the activated carbon does not need to be replaced after being adsorbed by saturation any more, but can be continuously used.
Furthermore, a guide plate is also arranged in the case body of the odor treatment device; the guide plate can ensure that the airflow is uniformly distributed on the cross section in the odor treatment device, and the escape caused by overlarge local airflow is avoided.
Furthermore, the guide plate is provided with holes; the holes on the guide plate can fully reduce the resistance of the guide device under the action of primary flow guide and play a role of secondary flow guide.
Further, a gas filter screen is also arranged in the box body of the odor treatment device; the gas filtration can fully remove particulate matters or liquid drop impurities in the gas flow, and protect a high-energy ion generator, an active carbon filter screen and an ultraviolet lamp at the rear end.
Furthermore, the active carbon filtering modules of the odor treatment device are arranged in a multilayer manner, and each layer of the active carbon filtering modules is internally and independently provided with an active carbon filtering net and an ultraviolet lamp; the reaction efficiency on the surface of the activated carbon filter screen can be ensured by the multilayer arrangement.
Further, the horizontal distance between the high-energy ion generator and the active carbon filter screen is 100-600 mm; the reasonable distance between the high-energy ion generator and the active carbon filter screen can ensure the dispersion of active negative oxygen ions, and the positive ions and the negative ions cannot be combined and failed in advance because of the too long distance.
Further, the preparation method of the activated carbon with the surface and/or the pore channels modified with the metal ions comprises the steps of coating a metal ion solution on the surface of the activated carbon so that the metal ions are adsorbed on the surface of the activated carbon, or soaking the activated carbon in the metal ion solution so that the metal ions are loaded in the pore channels of the activated carbon; the method for preparing the activated carbon only needs simple dipping or coating, does not need to mix and mold the activated carbon powder and other active components, and has the advantages of simple preparation process, small using amount of the active components and low economic cost.
Furthermore, in order to improve the loading uniformity and loading capacity of metal ions on the surface and/or in the pore channels of the activated carbon, the preparation method adopts an organic solvent to firstly modify the surface of the internal pore channels of the activated carbon, so that the subsequent active component loading is easier and more uniform.
Further, in order to improve the loading process of further strengthening the solvent and the active component, the preparation method improves the capacity of the solvent and the metal ions entering the pore channels in a high-pressure compression mode, a negative-pressure suction mode and a heating mode.
Furthermore, the preparation method enables metal ions to grow in situ on the surfaces of internal pore channels of the activated carbon to form the active substance with the deodorization performance by adjusting the pH value of the surface of the activated carbon.
Furthermore, the surfaces of the internal pore channels of the activated carbon are mainly C ═ C nonpolar bonds and certain-OH polar bonds, the preparation method prepares the supported activated carbon through a multi-step impregnation process, the surface tension and the polarity of the supported activated carbon can be changed, the proportion of the polar bonds and the nonpolar bonds is adjusted, and the polar pollutants and the nonpolar pollutants in the odor are comprehensively treated.
Drawings
FIG. 1: the overall structure of one embodiment of the odor treatment device is schematically shown.
In fig. 1, a box body 1, an air inlet 2, an air outlet 3, an activated carbon filter screen 4, a high-energy ion generator 5, an ultraviolet lamp 6, a guide plate 7, a gas filter screen 8, an induced draft fan 9, a guide module 10, an ion generation module 11 and an activated carbon filter module 12.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The following examples do not show specific experimental procedures or conditions, and can be performed according to the procedures or conditions of the conventional experimental procedures described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1: modified active carbon and preparation method thereof (aiming at odor containing hydrogen sulfide)
The embodiment provides modified activated carbon, which is honeycomb activated carbon with a surface modified with metal ions; the metal ion is Zn2+、Cu2+And Cd2+And the surface of the modified activated carbon, Zn2+、Cu2+And Cd2+The molar ratio of (A) to (B) is 3.0: 1.5: 0.5.
The preparation method of the modified activated carbon comprises the following steps: preparing ZnCl containing 1.5mol/L2、0.75mol/L CuCl2And 0.25mol/L CdCl2The metal ion solution of (4); and soaking the honeycomb activated carbon in the metal ion solution for 30min to obtain the modified activated carbon.
Example 2: modified activated carbon and preparation method thereof (aiming at odor containing ammonia gas)
The embodiment provides modified activated carbon, which is honeycomb activated carbon with a surface modified with metal ions; the metal ion is Fe3+、Ag+And Pt4+And the surface of the modified activated carbon, Fe3+、Ag+And Pt4+The molar ratio of (A) to (B) is 5.0: 0.1: 1.5.
The preparation method of the modified activated carbon comprises the following steps: preparation of a solution containing 2.5mol/L FeCl30.05mol/L AgCl and 0.75mol/L PtCl4The metal ion solution of (4); and soaking the honeycomb activated carbon in the metal ion solution for 45min to obtain the modified activated carbon.
Example 3: modified activated carbon and preparation method thereof (aiming at odor containing formaldehyde)
The embodiment provides modified activated carbon, which is honeycomb activated carbon with a surface modified with metal ions; the metal ion is Zn2+、Cu2+And Fe3+(ii) a Zn on the surface and/or in the pore channels of the active carbon2+、Cu2+And Fe3+The molar ratio of (A) to (B) is 2.5: 0.8: 1.8.
The preparation method of the modified activated carbon comprises the following steps: preparing ZnCl containing 1.25mol/L2、0.4mol/L CuCl2And 0.9mol/L FeCl3The metal ion solution of (4); and soaking the honeycomb activated carbon in the metal ion solution for 20min to obtain the modified activated carbon.
Example 4: modified active carbon and preparation method thereof (aiming at odor containing hydrogen sulfide and ammonia gas)
The embodiment provides modified activated carbon, which is honeycomb activated carbon with a surface modified with metal ions; the metal ion is Zn2+、Cd2+And Pt4+And the surface of the modified activated carbon, Zn2+、Cd2+And Pt4+The molar ratio of (A) to (B) is 3.0: 0.3: 0.8.
The preparation method of the modified activated carbon comprises the following steps:
a pretreatment step: firstly, soaking granular activated carbon in a sulfuric acid solution with the volume fraction of 5% for 25min, then drying the granular activated carbon at 80 ℃ for 2h, and then soaking the granular activated carbon in acetone with the volume fraction of 5% for 15 min;
and (3) dipping: preparing ZnCl containing 1.5mol/L2、0.15mol/L CdCl2And 0.4mol/L PtCl4The metal ion solution of (4); soaking the granular activated carbon in a metal ion solution for 40 min;
post-treatment: drying the granular activated carbon at 105 ℃, then soaking the granular activated carbon in a sodium hydroxide solution with the pH of 8.5 for 1.5h, and adjusting the pH of the surface of the granular activated carbon to obtain the modified activated carbon.
Example 5: modified active carbon and preparation method thereof (aiming at odor containing hydrogen sulfide and formaldehyde)
The embodiment provides modified activated carbon, which is honeycomb activated carbon with a surface modified with metal ions; the metal ion is Zn2+、Cd2+And Fe3+And the surface of the modified activated carbon, Zn2+、Cd2+And Fe3+The molar ratio of (A) to (B) is 2: 0.6: 1.
The preparation method of the modified activated carbon comprises the following steps:
a pretreatment step: firstly, soaking granular activated carbon in a nitric acid solution with the volume fraction of 10% for 30min, then drying the granular activated carbon at 90 ℃ for 0.5h, and then soaking the granular activated carbon in methanol with the volume fraction of 10% for 15 min;
and (3) dipping: preparing ZnCl containing 2.0mol/L2、0.6mol/L CdCl2And 1.0mol/L FeCl3The metal ion solution of (4); soaking the granular activated carbon in a metal ion solution for 50 min;
post-treatment: drying the granular activated carbon at 100 ℃, then soaking the granular activated carbon in a sodium hydroxide solution with the pH of 9.0 for 1.0h, and adjusting the pH of the surface of the granular activated carbon to obtain the modified activated carbon.
Example 6: modified active carbon and preparation method thereof (aiming at odor containing ammonia gas and formaldehyde)
The embodiment provides modified activated carbon, which is honeycomb activated carbon with a surface modified with metal ions; the metal ion is Pt4+、Cu2+And Fe3+And the surface of the modified activated carbon, Pt4+、Cu2+And Fe3+The molar ratio of (A) to (B) is 0.5: 1.2: 1.8.
The preparation method of the modified activated carbon comprises the following steps:
a pretreatment step: firstly, soaking granular activated carbon in a sulfuric acid solution with the volume fraction of 5% for 25min, then drying the granular activated carbon at 95 ℃ for 1.0h, and then soaking the granular activated carbon in methanol with the volume fraction of 5% for 0.5 h;
and (3) dipping: the preparation contains 1.0mol/L PtCl4、2.4mol/L CuCl2And 3.6mol/L FeCl3The metal ion solution of (4); soaking the granular activated carbon in a metal ion solution for 50 min;
post-treatment: drying the granular activated carbon at 110 ℃, then soaking the granular activated carbon in a sulfuric acid solution with the pH of 6.5 for 1.0h, and adjusting the pH of the surface of the granular activated carbon to obtain the modified activated carbon.
Example 7: modified active carbon and preparation method thereof (aiming at odor containing hydrogen sulfide, ammonia gas, formaldehyde and acetone)
The embodiment provides modified activated carbon, which is honeycomb activated carbon with a surface modified with metal ions; the metal ion is Zn2+、Pt4+、Cd2+And Fe3+And the surface of the modified activated carbon, Zn2+、Pt4+、Cd2+And Fe3+The molar ratio of (A) to (B) is 2.0: 0.5: 0.8: 1.8.
The preparation method of the modified activated carbon comprises the following steps:
a pretreatment step: firstly, soaking granular activated carbon in a nitric acid solution with the volume fraction of 10% for 25min, then drying the granular activated carbon at 105 ℃ for 0.5h, and then soaking the granular activated carbon in ethanol with the volume fraction of 10% for 1.0 h;
and (3) dipping: preparing ZnCl containing 2.0mol/L2、0.5mol/L PtCl4、0.8mol/L CuCl2And 1.8mol/L FeCl3The metal ion solution of (4); soaking the granular activated carbon in a metal ion solution for 45 min;
post-treatment: drying the granular activated carbon at 105 ℃, then soaking the granular activated carbon in a nitric acid solution with the pH of 7.5 for 1.5h, and adjusting the pH of the surface of the granular activated carbon to obtain the modified activated carbon.
Comparative example 1: modified activated carbon and preparation method thereof
The comparative example provides a modified activated carbon, the surface of which was modified with an acid, alkali solution.
The preparation method of the modified activated carbon comprises the following steps:
firstly, soaking the granular activated carbon in a sulfuric acid solution with the volume fraction of 10% for 25min, then drying the granular activated carbon at 80 ℃ for 2.0h, and then soaking the granular activated carbon in a sodium hydroxide solution with the volume fraction of 10% for 15 min.
Experimental example 1: penetration test of activated carbon
The total penetration adsorption amount of the modified activated carbon in the examples 1-6 and the modified activated carbon in the comparative example 1 to different odors is detected by taking commercially available honeycomb activated carbon (purchased from Henan green Posson environmental protection materials Co., Ltd.) and granular activated carbon (purchased from Nanping plain activated carbon Co., Ltd.) as a comparison, and the detection results are shown in Table 1;
the detection method comprises the following steps: detecting the concentration of the odor entering and exiting the odor with the total concentration of the odor of 500ppm by using the activated carbon at the height of the fixed bed layer, and when the concentration of the odor at the outlet is higher than 10ppm, considering that the odor penetrates the activated carbon, the activated carbon is invalid and needs to be replaced;
the odor is as follows:
odor A: the odor gas A comprises 50 percent of hydrogen sulfide, 25 percent of ammonia gas, 16 percent of formaldehyde and 9 percent of acetone in percentage by total volume of the odor gas A;
odor B: the odor gas B comprises 40 percent of hydrogen sulfide, 40 percent of ammonia gas, 10 percent of formaldehyde and 10 percent of acetone in percentage of the total volume of the odor gas B;
odor C: the odor gas C comprises 25 percent of hydrogen sulfide, 50 percent of ammonia gas, 9 percent of formaldehyde and 16 percent of acetone in percentage of the total volume of the odor gas C;
odor D: contains 100% hydrogen sulfide in percentage by total volume of the odor D.
As can be seen from table 1, the total permeation adsorption amount of each of examples 1 to 6 against different odors was much higher than that of the commercially available honeycomb activated carbon, the commercially available granular activated carbon, and the modified activated carbon of comparative example 1, and among them, the modified activated carbon of example 1 had the best odor a adsorption effect, the modified activated carbon of example 2 had the best odor C adsorption effect, and the modified activated carbon of example 7 had the best odor B adsorption effect.
TABLE 1 Total breakthrough adsorption of different active carbons to different odors
Note: "-" is not detected.
Experimental example 2: saturated adsorption performance experiment of activated carbon
The saturated adsorption capacity of the modified activated carbon in the examples 1-6 and the modified activated carbon in the comparative example 1 to different odors is detected by taking commercially available honeycomb activated carbon (purchased from Henan green Posson environmental protection materials Co., Ltd.) and granular activated carbon (purchased from Nanping plain activated carbon Co., Ltd.) as a comparison, and the detection results are shown in Table 2;
the detection method comprises the following steps: placing the activated carbon in an odor container with the total odor concentration of 800ppm, continuously introducing odor pollutants in the adsorption process to keep the total odor concentration and the proportion of each pollutant unchanged, when the odor concentration in the container is not changed, considering that the adsorption is saturated, and weighing the weight of the activated carbon before and after the adsorption to obtain the saturated adsorption capacity of the activated carbon;
the odor is as follows:
odor A: the odor gas A comprises 50 percent of hydrogen sulfide, 25 percent of ammonia gas, 16 percent of formaldehyde and 9 percent of acetone in percentage by total volume of the odor gas A;
odor B: the odor gas B comprises 40 percent of hydrogen sulfide, 40 percent of ammonia gas, 10 percent of formaldehyde and 10 percent of acetone in percentage of the total volume of the odor gas B;
odor C: the odor gas C comprises 25 percent of hydrogen sulfide, 50 percent of ammonia gas, 9 percent of formaldehyde and 16 percent of acetone in percentage of the total volume of the odor gas C;
odor D: contains 100 percent of hydrogen sulfide in percentage of the total volume of the odor D;
odor E: contains 100% ammonia gas in percentage of the total volume of the odor E.
As can be seen from table 2, the saturated adsorption capacities for different odors of examples 1 to 6 were much higher than those of the commercially available honeycomb activated carbon, the commercially available granular activated carbon, and the modified activated carbon of comparative example 1, and among them, the modified activated carbon of example 1 had the best odor a adsorption effect, the modified activated carbon of example 2 had the best odor C adsorption effect, and the modified activated carbon of example 7 had the best odor B adsorption effect.
TABLE 2 saturated adsorption capacities of different activated carbons for different odors
Note: "-" is not detected.
Example 8: odor treatment device
As shown in fig. 1, the present embodiment provides an odor treatment device including a case 1; an air inlet 2 and an air outlet 3 are arranged on the box body 1; an active carbon filter screen 4 is arranged in the box body 1, so that the gas entering the box body 1 from the gas inlet 2 can be filtered by the active carbon filter screen 4; the activated carbon in the activated carbon filter screen 4 is at least one of the modified activated carbon in example 1, the modified activated carbon in example 2, the modified activated carbon in example 3, the modified activated carbon in example 4, the modified activated carbon in example 5, the modified activated carbon in example 6, and the modified activated carbon in example 7.
Preferably, a high-energy ion generator 5 is further arranged in the box body 1, and gas entering the box body 1 from the gas inlet 2 passes through the high-energy ion generator 5 and the activated carbon filter screen 4 in sequence.
Preferably, an ultraviolet lamp 6 is further arranged in the box body 1, and gas entering the box body 1 from the gas inlet 2 sequentially passes through a high-energy ion generator 5, an active carbon filter screen 4 and the ultraviolet lamp 6.
Preferably, a guide plate 7 is further arranged in the box body 1, and gas entering the box body 1 from the gas inlet 2 sequentially passes through the guide plate 7, the high-energy ion generator 5, the activated carbon filter screen 4 and the ultraviolet lamp 6.
Preferably, the guide plate 7 is provided with a hole.
Preferably, a gas filter screen 8 is further arranged in the box body 1, and gas entering the box body 1 from the gas inlet 2 sequentially passes through the guide plate 7, the gas filter screen 8, the high-energy ion generator 5, the activated carbon filter screen 4 and the ultraviolet lamp 6.
Preferably, the air outlet 3 is connected with an induced draft fan 9, so that the air entering the box body 1 from the air inlet 2 can be discharged from the box body 1.
Preferably, one end of the air inlet 2 is the left end of the box body 1, one end of the air outlet 3 is the right end of the box body 1, and a flow guide module 10, an ion generation module 11 and an activated carbon filtering module 12 are sequentially arranged in the box body 1 from left to right; a plurality of guide plates 7 are arranged in the guide module 10; a plurality of high-energy ion generators 5 are arranged in the ion generation module 11; the diversion module 10 and the ion generation module are separated by a gas filter screen 8 through a 11; the active carbon filter module 12 is arranged in a multilayer manner, and an active carbon filter screen 4 and an ultraviolet lamp 6 are independently arranged in each layer of the active carbon filter module 12.
Preferably, the activated carbon filter screen 4 is transversely arranged in each layer of the activated carbon filter module 12, and the gas introduced into the activated carbon filter module 12 passes through the activated carbon filter screen 4 and the ultraviolet lamp 6 in sequence.
Preferably, the installation angle of the guide plate 7 is 10-80 degrees.
Preferably, the aperture size of the holes on the guide plate 7 is 5-100 mm, and the hole distance is 1.05-2.0 times of the aperture size.
Preferably, the gas filter screen 8 has a grade of G3-H13, and is made of at least one of PP, PE, PTFE, glass fiber, wood pulp paper, stainless steel and ceramic fiber.
Preferably, the high-energy ion generator 5 is formed by combining 1-20 high-energy ion tubes.
Preferably, the high-energy ion generator 5 is uniformly arranged in the ion generating module 11 or is arranged in equal proportion according to the flow rate of gas introduced into the ion generating module.
Preferably, the ultraviolet lamp 6 is formed by combining 1-10 ultraviolet lamp tubes.
Preferably, the wavelength of the ultraviolet lamp 6 is 254 nm-365 nm, and the power is 0.1-5 Kw.
Preferably, the distance between the guide plate 7 and the gas filter screen 8 is 100-1000 mm.
Preferably, the horizontal distance between the gas filter screen 8 and the high-energy ion generator 5 is 100-500 mm.
Preferably, the horizontal distance between the high-energy ion generator 5 and the activated carbon filter screen 4 is 100-600 mm.
Preferably, the vertical distance between the activated carbon filter screens 4 is 100-800 mm.
Preferably, the number ratio of the high-energy ion generator 5 to the activated carbon filter screen 4 is 0.5-2.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The odor treatment device is characterized by comprising a box body; the box body is provided with an air inlet and an air outlet; the box body is internally provided with an active carbon filter screen, so that the gas entering the box body from the gas inlet can be filtered by the active carbon filter screen; the active carbon in the active carbon filter screen is the active carbon with metal ions modified on the surface and/or in the pore canal.
2. The odor treatment apparatus as claimed in claim 1, wherein a high-energy ion generator is further provided in said casing, and the gas introduced into said casing from said gas inlet passes through said high-energy ion generator and said activated carbon filter in this order.
3. The odor treatment apparatus as claimed in claim 2, wherein an ultraviolet lamp is further provided in said casing, and the gas introduced into the casing from the gas inlet passes through the high-energy ion generator, the activated carbon filter and the ultraviolet lamp in this order.
4. The odor treatment apparatus as claimed in claim 3, wherein a baffle plate is further provided in said cabinet, and the gas introduced into said cabinet from said gas inlet passes through said baffle plate, said high-energy ion generator, said activated carbon filter and said ultraviolet lamp in this order.
5. The odor treatment apparatus of claim 4 wherein said baffle plate is perforated.
6. The odor treatment device according to claim 5, wherein a gas filter is further provided in said cabinet, and the gas introduced into said cabinet from said gas inlet passes through said deflector, said gas filter, said high-energy ion generator, said activated carbon filter and said ultraviolet lamp in sequence.
7. The odor treatment apparatus as claimed in any one of claims 1 to 6, wherein said air outlet is connected to an induced draft fan so that air entering the cabinet from the air inlet can be exhausted from the cabinet.
8. The odor treatment device according to any one of claims 1 to 7, wherein the end where the air inlet is located is the left end of the case, the end where the air outlet is located is the right end of the case, and the flow guide module, the ion generation module and the activated carbon filter module are sequentially arranged in the case from left to right; a plurality of guide plates are arranged in the guide module; a plurality of high-energy ion generators are arranged in the ion generating module; the flow guide module and the ion generation module are separated by a gas filter screen; the active carbon filter module is the multilayer setting, all be equipped with active carbon filter screen and ultraviolet lamp in each layer of active carbon filter module alone.
9. A method for removing odor, characterized in that the method comprises treating odor with the odor treatment device according to any one of claims 1 to 8.
10. Use of the odor treatment device according to any one of claims 1 to 8 or the method for removing odor according to claim 9 for deodorization.
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Application publication date: 20210810 |
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