CN111773913A - Indoor volatile organic compound environment-friendly treatment method based on adsorption filtration - Google Patents
Indoor volatile organic compound environment-friendly treatment method based on adsorption filtration Download PDFInfo
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- CN111773913A CN111773913A CN202010677485.3A CN202010677485A CN111773913A CN 111773913 A CN111773913 A CN 111773913A CN 202010677485 A CN202010677485 A CN 202010677485A CN 111773913 A CN111773913 A CN 111773913A
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 72
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 55
- 238000001914 filtration Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 claims description 37
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 13
- 230000007613 environmental effect Effects 0.000 claims description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 17
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000002195 synergetic effect Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
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- 206010007269 Carcinogenicity Diseases 0.000 description 1
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- 206010043275 Teratogenicity Diseases 0.000 description 1
- 230000004075 alteration 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
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- 239000002904 solvent Substances 0.000 description 1
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- 231100000211 teratogenicity Toxicity 0.000 description 1
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- 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
- 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
- B01D53/323—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 by electrostatic effects or by high-voltage electric fields
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- 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
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
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- Chemical & Material Sciences (AREA)
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- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Separation Of Gases By Adsorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an indoor volatile organic compound environment-friendly treatment method based on adsorption filtration, which comprises the following steps: s1, forming an air path: opening an exhaust fan, forming an air path from indoor to outdoor, and discharging indoor volatile organic compounds through the exhaust fan; s2, implementation processing: the air path is provided with a filter plate, the filter plate is multilayer and comprises a first filter plate, a second filter plate and a third filter plate; s3, heating: a controller is adopted, and the heating device and the exhaust fan are both connected with the processor; be provided with temperature sensor on the first filter, temperature sensor is connected with the treater. The invention uses the exhaust fan, the filter plate, the reaction layer, the adsorption layer, the filter layer and the like on the filter plate, and uses the heating mode to quickly and better treat indoor volatile organic compounds, particularly formaldehyde.
Description
Technical Field
The invention relates to the technical field of volatile organic compound treatment, in particular to an indoor volatile organic compound environment-friendly treatment method based on adsorption filtration.
Background
Volatile organic compounds are generally classified into non-methane hydrocarbons, oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like. Most volatile organic compounds have uncomfortable special odor, toxicity, irritation, teratogenicity and carcinogenicity, particularly benzene, toluene, formaldehyde and the like cause great harm to human health, and are mainly derived from the processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing, using and the like.
During interior decoration, plates, coatings and the like are often needed, and organic matters such as paints and the like are also needed in spraying workshops of furniture, parts and the like, so that a large amount of volatile organic matters are generated and are diffused into indoor air, and the health of human beings is influenced. In order to reduce the harm of volatile organic compounds in the room, the traditional method needs a longer period and has low efficiency.
Based on the technical problems in the prior art, the invention discloses an indoor volatile organic compound environment-friendly treatment method based on adsorption filtration, which is used for solving the technical problems.
Disclosure of Invention
The invention aims to provide an environment-friendly treatment method of indoor volatile organic compounds based on adsorption filtration, which is used for rapidly and better treating the indoor volatile organic compounds, particularly formaldehyde, by using an exhaust fan, a filter plate, a reaction layer, an adsorption layer, a filter layer and the like on the filter plate and a heating mode so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an indoor volatile organic compound environment-friendly treatment method based on adsorption filtration comprises the following steps:
s1, forming an air path: and opening the exhaust fan to form an air path from the indoor to the outdoor, and discharging the indoor volatile organic compounds through the exhaust fan.
S2, implementation processing: the air path is provided with a filter plate, the filter plate is multilayer and comprises a first filter plate, a second filter plate and a third filter plate; the first filter plate, the second filter plate and the third filter plate are sequentially arranged from inside to outside; the inside to the outside refers to the direction of air draft by the exhaust fan.
S3, heating: a controller is adopted to connect the heating device and the exhaust fan with the processor; and a temperature sensor is arranged on the reaction layer and is connected with the processor.
Preferably, in the step S3, the controller controls the heating device not to be operated when the volatile organic compounds, particularly formaldehyde, and the copper oxide powder are at the optimum reaction temperature; when the temperature acquired by the temperature sensor is lower than a preset threshold value T0, the controller controls the heating device to heat so as to improve the reaction temperature, and volatile organic compounds, particularly formaldehyde, are favorably subjected to reaction treatment; when the temperature collected by the temperature sensor exceeds a preset threshold value T1, the controller controls the heating device to stop heating.
Preferably, the first filter plate is a reaction layer, the reaction layer is formed by arranging copper oxide powder on cotton yarn, the particle size d1 of the copper oxide powder is 0.02-0.06mm, and the cotton yarn is multilayer, particularly 3-5 layers. The copper oxide powder is fixed on the cotton yarn, and is particularly adhered to the cotton yarn.
Preferably, the copper oxide powder is distributed on the surface of the cotton yarn.
Preferably, the second filter plate is an adsorption layer, and the adsorption layer is an activated carbon adsorption layer; the active carbon on the active carbon adsorption layer is powdery, and the specific surface area S of the active carbon powder is 450-860m2/g。
Preferably, the invention also discloses an indoor volatile organic compound environment-friendly treatment device which comprises a fixing frame, wherein one side of the fixing frame is provided with a louver fan, an exhaust fan is arranged inside the fixing frame, one side of the fixing frame is connected with two groups of U-shaped plates, one side of the fixing frame is provided with a slot, a filtering plate frame is inserted into the slot, one end of the filtering plate frame is inserted between the two groups of U-shaped plates in a sliding manner, the inner side of the filtering plate frame is connected with a square plate, one end of the square plate is connected with a cylindrical socket with a concave hole, and a filtering plate is inserted into the socket.
Preferably, the filter plate is a multilayer filter plate, which comprises a first filter plate, a second filter plate and a third filter plate; the first filter plate, the second filter plate and the third filter plate are sequentially arranged from inside to outside; the inside to the outside refers to the direction of air draft by the exhaust fan.
Preferably, in order to better treat volatile organic compounds, particularly formaldehyde, the aperture diameter phi 1 of the cotton yarn of the reaction layer is 0.35-0.65 mm; in order to further improve the treatment effect on volatile organic compounds, particularly formaldehyde, and reduce the pollution to the environment, the particle diameter d1 of the copper oxide powder and the aperture diameter phi 1 of cotton yarns of the reaction layer satisfy that d 1. phi 1 is more than or equal to 0.01 and less than or equal to 0.03.
Preferably, in order to perform a sufficient reaction on the volatile organic compound in the reaction layer and to further perform adsorption on the volatile organic compound by the adsorption layer, and to ensure an adsorption effect while performing the reaction, so that the reaction and the adsorption effect achieve a synergistic effect, the particle diameter d1 of the copper oxide powder, the pore diameter Φ 1 of the cotton yarn in the reaction layer, and the specific surface area S of the activated carbon powder satisfy the following relationship:
φ1/d1=α·S1/2;
wherein alpha is a relation coefficient and has a value range of 0.45-1.24.
Preferably, the third filter plate is a filter layer which is a sponge layer, the thickness H of the sponge layer is 1.7-2.8mm, the porosity eta is 95% -97%, and static electricity is arranged on the sponge layer to improve the filtering effect.
Preferably, in order to better improve the treatment of volatile organic compounds, in particular formaldehyde, the thickness H, the porosity η and the electrostatic voltage V (in KV) of the sponge layer satisfy the following relationship:
V/π=·[H/(d1·η)];
wherein pi is a circumference ratio; the value range is 4.7-72.6.
Preferably, the windward side of the filter plate is provided with a heating device, and the heating device is an electric heating wire to improve the temperature of the volatile organic compounds when the volatile organic compounds pass through the reaction layer, so that the reaction rate is improved, and the purpose of improving the treatment effect is further realized.
Preferably, the suction fan is arranged at the downwind side of the filter plate.
Preferably, the environment-friendly treatment device further comprises a controller, and the heating device and the exhaust fan are both connected with the processor; and a temperature sensor is arranged on the reaction layer and is connected with the processor.
Preferably, the socket is provided with a fixed plug in an inserting way.
Preferably, the fixing frame is a rectangular frame, and the fixing frame is an aluminum alloy frame.
Preferably, the fixing frame is externally connected with a fixing plate, and the fixing plate is internally provided with a threaded hole.
Preferably, one side of the fixing frame, which is close to the fixing frame, is glued with a rubber strip, and the cross section of the rubber strip is circular or rectangular.
Preferably, the one end of filtering the grillage is connected with the handle of U type, just the one end of filtering the grillage still is connected with the fixed wing of disc form, one side of mount is connected with the columniform fixed ear that has the shrinkage pool, the one end of the dead lever of fixed chock plug is inserted in proper order and is established fixed wing and fixed ear.
Preferably, a rain baffle is mounted on one side of the fixing frame close to the louver fan through bolts, and the rain baffle is arranged in an inclined mode.
Preferably, the cross section of the rubber strip is one of circular and rectangular.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the environment-friendly treatment method for indoor volatile organic compounds based on adsorption filtration, the fixing frame is arranged on the outer side of the window of a room, the filtering plate frame is inserted and placed by arranging the inserting slots and the U-shaped plates in the fixing frame, the fixing plug is designed for rapid fixing treatment, and meanwhile, the filtering plate is inserted in the filtering plate frame for adsorption treatment.
2. According to the indoor volatile organic compound environment-friendly treatment method based on adsorption filtration, the fixing plug is designed and used for rapid fixing treatment, so that the filter plate frame is easy to disassemble, the volatile carbon filter plate on the filter plate frame is easy to take down for cleaning treatment, and the environmental pollution is reduced.
3. According to the environment-friendly treatment method for the indoor volatile organic compounds based on adsorption filtration, which is disclosed by the invention, the treatment effect on the volatile organic compounds is improved and the environment pollution is prevented by arranging the environment-friendly treatment method which comprises the first filter plate, the second filter plate and the third filter plate.
4. According to the indoor volatile organic compound environment-friendly treatment method based on adsorption filtration, the first filter plate is arranged as the reaction layer, the reaction layer is formed by the fact that the cotton yarn is provided with the copper oxide powder, and the treatment effect on volatile organic compounds, particularly formaldehyde, is further improved through the relation between the particle size d1 of the copper oxide powder and the aperture phi 1 of the cotton yarn in the reaction layer, so that the pollution to the environment is reduced.
5. According to the indoor volatile organic compound environment-friendly treatment method based on adsorption filtration, the particle size d1 of the copper oxide powder, the aperture phi 1 of cotton yarn of the reaction layer and the specific surface area S of the activated carbon powder are set to meet the relationship, so that the volatile organic compound is fully reacted in the reaction layer and is adsorbed by the adsorption layer, the adsorption effect is ensured during reaction, and the two realize a synergistic effect.
6. According to the indoor volatile organic compound environment-friendly treatment method based on adsorption filtration, the sponge layer is arranged, and the range and the relation of the thickness H, the porosity eta and the electrostatic voltage of the sponge layer are limited, so that the treatment of volatile organic compounds, particularly formaldehyde, is better improved, and the filtration effect is improved.
7. According to the indoor volatile organic compound environment-friendly treatment method based on adsorption filtration, the heating device is arranged on the upwind side of the filter plate and is an electric heating wire, so that the temperature of volatile organic compounds passing through the reaction layer is increased, the reaction rate is increased, and the purpose of improving the treatment effect is achieved.
Drawings
FIG. 1 is a flow chart of an indoor volatile organic compound environmental protection treatment method based on adsorption filtration.
Fig. 2 is a schematic front view of a louver fan in the fixing frame according to the present invention.
FIG. 3 is a schematic front view of the suction fan in the fixing frame of the present invention.
Fig. 4 is a schematic front view of the filter plate rack of the fixing frame of the present invention.
FIG. 5 is an enlarged view of region A of FIG. 3 according to the present invention.
Fig. 6 is a schematic perspective view of the filter plate frame of the present invention.
Fig. 7 is a schematic perspective view of a U-shaped plate according to the present invention.
FIG. 8 is a side view of the present invention.
In the figure: 1. a fixed mount; 101. a slot; 2. a fixing plate; 3. a threaded hole; 4. a rubber strip; 5. a louver fan; 6. an exhaust fan; 7. a U-shaped plate; 8. a filter plate frame; 9. a handle; 10. a square plate; 11. a socket; 12. a filter plate; 13. fixing the plug head; 14. a fixed wing; 15. fixing the ear; 16. a rain shield.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, an environmental protection method for indoor volatile organic compounds based on adsorption filtration includes the following steps:
s1, forming an air path: and opening the exhaust fan to form an air path from the indoor to the outdoor, and discharging the indoor volatile organic compounds through the exhaust fan.
S2, implementation processing: the air path is provided with a filter plate, the filter plate is multilayer and comprises a first filter plate, a second filter plate and a third filter plate; the first filter plate, the second filter plate and the third filter plate are sequentially arranged from inside to outside; the inside to the outside refers to the direction of air draft by the exhaust fan.
S3, heating: a controller is adopted to connect the heating device and the exhaust fan with the processor; and a temperature sensor is arranged on the reaction layer and is connected with the processor.
In the step S3, when the volatile organic compounds, particularly formaldehyde, and the copper oxide powder are at the optimum reaction temperature, the controller controls the heating device not to be operated; when the temperature acquired by the temperature sensor is lower than a preset threshold value T0, the controller controls the heating device to heat so as to improve the reaction temperature, and volatile organic compounds, particularly formaldehyde, are favorably subjected to reaction treatment; when the temperature collected by the temperature sensor exceeds a preset threshold value T1, the controller controls the heating device to stop heating.
The first filter plate is a reaction layer, the reaction layer is formed by arranging copper oxide powder on cotton yarn, the particle size d1 of the copper oxide powder is 0.02-0.06mm, and the cotton yarn is multilayer, particularly 3-5 layers. The copper oxide powder is fixed on the cotton yarn, and is particularly adhered to the cotton yarn. The copper oxide powder is fully distributed on the surface of the cotton yarn.
The second filter plate is an adsorption layer, and the adsorption layer is an activated carbon adsorption layer; the active carbon on the active carbon adsorption layer is powdery, and the specific surface area S of the active carbon powder is 450-860m2/g。
Example 2
Referring to fig. 2-8, the invention further discloses an environment-friendly indoor volatile organic compound treatment device, which comprises a fixing frame 1, wherein a louver fan 5 is arranged on one side of the fixing frame 1, an exhaust fan 6 is fixedly arranged inside the fixing frame 1, one side of the fixing frame 1 is connected with two groups of U-shaped plates 7, a slot 101 is formed in one side of the fixing frame 1, a filter plate frame 8 is inserted into the slot 101, one end of the filter plate frame 8 is slidably inserted between the two groups of U-shaped plates 7, a square plate 10 is connected to the inner side of the filter plate frame 8, one end of the square plate 10 is connected with a cylindrical socket 11 with a concave hole, a filter plate 12 is inserted into the socket 11, and a fixed plug 13 is inserted into the.
In order to reduce the weight of the device, the fixing frame 1 is a rectangular frame, and the fixing frame 1 is an aluminum alloy frame. In order to conveniently install the fixing frame 1, the outside of the fixing frame 1 is connected with a fixing plate 2, a threaded hole 3 is formed in the fixing plate 2, one side of the fixing frame 1, which is close to the fixing frame 1, is glued with a rubber strip 4, and the rubber strip 4 is arranged in a rectangular shape.
In order to fix the processing to filtering grillage 8 fast, the one end of filtering grillage 8 is connected with the handle 9 of U type, the one end of filtering grillage 8 still is connected with discoid stationary vane 14, one side of mount 1 is connected with the columniform fixed ear 15 that has the shrinkage pool, the one end of the dead lever of fixed chock plug 13 is inserted in proper order and is established stationary vane 14 and fixed ear 15. In order to prevent rainwater from invading, a rain baffle 16 is bolted on one side of the fixing frame 1 close to the louver 5, and the rain baffle 16 is obliquely arranged.
The filter plates are multilayer and comprise a first filter plate, a second filter plate and a third filter plate; the first filter plate, the second filter plate and the third filter plate are sequentially arranged from inside to outside; the inside to the outside refers to the direction of air draft by the exhaust fan.
The first filter plate is a reaction layer, the reaction layer is formed by arranging copper oxide powder on cotton yarn, the particle size d1 of the copper oxide powder is 0.02-0.06mm, and the cotton yarn is multilayer, particularly 3-5 layers. The copper oxide powder is fixed on the cotton yarn, and is particularly adhered to the cotton yarn.
In order to better treat volatile organic compounds, particularly formaldehyde, the aperture phi 1 of the cotton yarn of the reaction layer is 0.35-0.65 mm; in order to further improve the treatment effect on volatile organic compounds, particularly formaldehyde, and reduce the pollution to the environment, the particle diameter d1 of the copper oxide powder and the aperture diameter phi 1 of cotton yarns of the reaction layer satisfy that d 1. phi 1 is more than or equal to 0.01 and less than or equal to 0.03.
The copper oxide powder is fully distributed on the surface of the cotton yarn.
The second filter plate is an adsorption layer, and the adsorption layer is an activated carbon adsorption layer; the active carbon on the active carbon adsorption layer is powdery, and the specific surface area S of the active carbon powder is 450-860m2/g。
In order to fully react the volatile organic compounds in the reaction layer and adsorb the volatile organic compounds by the adsorption layer, ensure the adsorption effect while reacting and realize the synergistic effect of the volatile organic compounds and the volatile organic compounds, the particle diameter d1 of the copper oxide powder, the aperture phi 1 of the cotton yarn in the reaction layer and the specific surface area S of the activated carbon powder satisfy the following relations:
φ1/d1=α·S1/2;
wherein alpha is a relation coefficient and has a value range of 0.45-1.24.
The third filter plate is a filter layer which is a sponge layer, the thickness H of the sponge layer is 1.7-2.8mm, the porosity eta is 95% -97%, and static electricity is arranged on the sponge layer to improve the filtering effect.
In order to better improve the treatment of volatile organic compounds, in particular formaldehyde, the thickness H, the porosity eta and the electrostatic voltage V (in KV) of the sponge layer satisfy the following relations:
V/π=·[H/(d1·η)];
wherein pi is a circumference ratio; the value range is 4.7-72.6.
Example 3
The utility model provides an indoor volatile organic compounds environmental protection processing apparatus, including mount 1, one side of mount 1 is provided with louver fan 5, the inside fixed mounting of mount 1 has air exhauster 6, one side of mount 1 is connected with two sets of U template 7, and one side of mount 1 has seted up slot 101, slot 101 interpolation is equipped with filters grillage 8, and the one end of filtering grillage 8 slides and inserts and locate between two sets of U template 7, the inboard of filtering grillage 8 is connected with square plate 10, the one end of square plate 10 is connected with the columniform socket 11 that has the shrinkage pool, insert on the socket 11 and be equipped with filter 12, and socket 11 inserts and establishes and install fixed chock plug 13.
In order to reduce the weight of the device, the fixing frame 1 is a rectangular frame, and the fixing frame 1 is an aluminum alloy frame. In order to conveniently install the fixing frame 1, the fixing plate 2 is connected to the outer portion of the fixing frame 1, a threaded hole 3 is formed in the fixing plate 2, a rubber strip 4 is glued to one side, close to the fixing frame 1, of the fixing frame 1, and the rubber strip 4 is arranged in a rectangular mode.
In order to fix the filtering plate frame 8 quickly, one end of the filtering plate frame 8 is connected with a U-shaped handle 9, one end of the filtering plate frame 8 is also connected with a circular plate-shaped fixed wing 14, one side of the fixing frame 1 is connected with a cylindrical fixed lug 15 with a concave hole, and one end of a fixed rod of the fixed plug head 13 is inserted with the fixed wing 14 and the fixed lug 15 in sequence. In order to prevent rainwater from invading, a rain baffle 16 is bolted on one side of the fixing frame 1 close to the louver 5, and the rain baffle 16 is obliquely arranged.
The filter plates are multilayer and comprise a first filter plate, a second filter plate and a third filter plate; the first filter plate, the second filter plate and the third filter plate are sequentially arranged from inside to outside; the inside to the outside refers to the direction of air draft by the exhaust fan.
The first filter plate is a reaction layer, the reaction layer is formed by arranging copper oxide powder on cotton yarn, the particle size d1 of the copper oxide powder is 0.02-0.06mm, and the cotton yarn is multilayer, particularly 3-5 layers. The copper oxide powder is fixed on the cotton yarn, and is particularly adhered to the cotton yarn.
In order to better treat volatile organic compounds, particularly formaldehyde, the aperture phi 1 of the cotton yarn of the reaction layer is 0.35-0.65 mm; in order to further improve the treatment effect on volatile organic compounds, particularly formaldehyde, and reduce the pollution to the environment, the particle diameter d1 of the copper oxide powder and the aperture diameter phi 1 of cotton yarns of the reaction layer satisfy that d 1. phi 1 is more than or equal to 0.01 and less than or equal to 0.03.
The copper oxide powder is fully distributed on the surface of the cotton yarn.
The second filter plate is an adsorption layer, and the adsorption layer is an activated carbon adsorption layer; the active carbon on the active carbon adsorption layer is powdery, and the specific surface area S of the active carbon powder is 450-860m2/g。
In order to fully react the volatile organic compounds in the reaction layer and adsorb the volatile organic compounds by the adsorption layer, ensure the adsorption effect while reacting and realize the synergistic effect of the volatile organic compounds and the volatile organic compounds, the particle diameter d1 of the copper oxide powder, the aperture phi 1 of the cotton yarn in the reaction layer and the specific surface area S of the activated carbon powder satisfy the following relations:
φ1/d1=α·S1/2;
wherein alpha is a relation coefficient and has a value range of 0.45-1.24.
The third filter plate is a filter layer which is a sponge layer, the thickness H of the sponge layer is 1.7-2.8mm, the porosity eta is 95% -97%, and static electricity is arranged on the sponge layer to improve the filtering effect.
In order to better improve the treatment of volatile organic compounds, in particular formaldehyde, the thickness H, the porosity eta and the electrostatic voltage V (in KV) of the sponge layer satisfy the following relations:
V/π=·[H/(d1·η)];
wherein pi is a circumference ratio; the value range is 4.7-72.6.
The upwind side of the filter plate is provided with a heating device which is an electric heating wire to improve the temperature of volatile organic compounds when the volatile organic compounds pass through the reaction layer, so that the reaction rate is improved, and the aim of improving the treatment effect is fulfilled.
The exhaust fan is arranged at the downwind side of the filter plate.
The environment-friendly treatment device also comprises a controller, and the heating device and the exhaust fan are both connected with the processor; and a temperature sensor is arranged on the reaction layer and is connected with the processor.
When the volatile organic compounds, particularly formaldehyde, and the copper oxide powder are at the optimum reaction temperature, the controller controls the heating device not to work; when the temperature acquired by the temperature sensor is lower than a preset threshold value T0, the controller controls the heating device to heat so as to improve the reaction temperature, and volatile organic compounds, particularly formaldehyde, are favorably subjected to reaction treatment; when the temperature collected by the temperature sensor exceeds a preset threshold value T1, the controller controls the heating device to stop heating.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An indoor volatile organic compound environment-friendly treatment method based on adsorption filtration is characterized by comprising the following steps:
s1, forming an air path: opening an exhaust fan, forming an air path from indoor to outdoor, and discharging indoor volatile organic compounds through the exhaust fan;
s2, implementation processing: the air path is provided with a filter plate, the filter plate is multilayer and comprises a first filter plate, a second filter plate and a third filter plate; the first filter plate, the second filter plate and the third filter plate are sequentially arranged from inside to outside;
s3, heating: a controller is adopted, and the heating device and the exhaust fan are both connected with the processor; be provided with temperature sensor on the first filter, temperature sensor is connected with the treater.
2. The environmental-friendly treatment method for indoor volatile organic compounds based on adsorption filtration, as claimed in claim 1, is characterized in that: in the step S2, the first filter plate is a reaction layer, the reaction layer is a cotton yarn on which copper oxide powder is disposed, the particle size d1 of the copper oxide powder is 0.02-0.06mm, and the cotton yarn is multi-layered.
3. The indoor volatile organic compound environment-friendly treatment method based on adsorption filtration as claimed in claims 1 and 2, characterized in that: the copper oxide powder is fully distributed on the surface of the cotton yarn.
4. The environmental-friendly treatment method for indoor volatile organic compounds based on adsorption filtration, as claimed in claim 1, is characterized in that: in the step S2, the second filter plate is an adsorption layer, and the adsorption layer is an activated carbon adsorption layer.
5. The environmental-friendly treatment method for indoor volatile organic compounds based on adsorption filtration, as claimed in claim 1, is characterized in that: in the step S3, when the volatile organic compounds, particularly formaldehyde, and the copper oxide powder are at the optimum reaction temperature, the controller controls the heating device not to be operated; when the temperature collected by the temperature sensor is lower than a preset threshold value T0, the controller controls the heating device to heat so as to increase the reaction temperature, and the reaction treatment of volatile organic compounds, particularly formaldehyde, is facilitated.
6. The environmental-friendly treatment method for indoor volatile organic compounds based on adsorption filtration, as claimed in claim 1, is characterized in that: the copper oxide powder is fixed on the cotton yarn, and is particularly adhered to the cotton yarn.
7. The environmental protection treatment method for indoor volatile organic compounds based on adsorption filtration according to claim 5, characterized in that: when the temperature collected by the temperature sensor exceeds a preset threshold value T1, the controller controls the heating device to stop heating.
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US20090080142A1 (en) * | 2005-09-29 | 2009-03-26 | Showa Denko K.K. | Activated carbon and process of making the same |
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