CN109692568B - Method for purifying air by using partition wall system - Google Patents
Method for purifying air by using partition wall system Download PDFInfo
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- CN109692568B CN109692568B CN201710995899.9A CN201710995899A CN109692568B CN 109692568 B CN109692568 B CN 109692568B CN 201710995899 A CN201710995899 A CN 201710995899A CN 109692568 B CN109692568 B CN 109692568B
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- 238000005192 partition Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 21
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 193
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 63
- 239000010440 gypsum Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 48
- 230000015556 catabolic process Effects 0.000 claims abstract description 24
- 238000006731 degradation reaction Methods 0.000 claims abstract description 24
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 238000004887 air purification Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001179 sorption measurement Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 9
- 230000000593 degrading effect Effects 0.000 claims description 6
- -1 amino compound Chemical class 0.000 claims description 5
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 4
- 239000005695 Ammonium acetate Substances 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 4
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 4
- 229940043376 ammonium acetate Drugs 0.000 claims description 4
- 235000019257 ammonium acetate Nutrition 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000001699 photocatalysis Effects 0.000 claims description 3
- 239000004113 Sepiolite Substances 0.000 claims description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 2
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 2
- 239000011491 glass wool Substances 0.000 claims description 2
- 239000011507 gypsum plaster Substances 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 229910052624 sepiolite Inorganic materials 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 238000004321 preservation Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004758 synthetic textile Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity 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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
- E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/11—Clays
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- 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
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
- B01D2253/1122—Metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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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
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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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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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Catalysts (AREA)
Abstract
The application discloses a method for purifying air by using a partition wall system, which comprises the steps of adopting the partition wall system with an air purification function, wherein the partition wall system comprises an inner gypsum board, a keel, a heat insulation layer, a one-way breathing film, a cavity, an ultraviolet lamp and an outer gypsum board; the one-way breathing film is arranged between the heat-insulating layer and the outer-layer gypsum board, the cavity is arranged between the heat-insulating layer and the one-way breathing film, and the cavity is communicated with an air outlet of a house in a fluid mode; the ultraviolet lamp is arranged at the top of the cavity; the surfaces of the inner layer gypsum board and the outer layer gypsum board are sprayed with an ultraviolet formaldehyde degradation material-TiO2The outer layer of the gypsum board also contains a formaldehyde adsorption material. Adopt the method of this application for utilizing partition wall system air-purifying can effectively detach harmful gas such as indoor formaldehyde, indoor air purification.
Description
Technical Field
The present application relates to, but is not limited to, a method of purifying air using a partition wall system.
Background
Indoor formaldehyde pollution is mainly from furniture, artificial boards, various adhesive coatings, synthetic textiles and the like. Indoor formaldehyde pollution affects the health of people and has attracted high attention of people. The harm of indoor formaldehyde to human health mainly includes irritation, toxicity and carcinogenesis. If no effective measures are taken, the formaldehyde volatilization duration is as long as 3-15 years, and the quality of the indoor environment where people live is seriously influenced.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
A method of purifying air using a partition system is provided.
The method for purifying the air by using the partition wall system comprises the partition wall system with the air purification function, wherein the partition wall system comprises an inner gypsum board, a keel, a heat insulation layer and an outer gypsum board, and formaldehyde degradation materials are contained in the inner gypsum board and the outer gypsum board.
In the embodiment of the application, the outer layer gypsum board can also contain formaldehyde adsorption material.
In the embodiment of this application, the partition wall system can also include one-way breathing membrane and cavity, one-way breathing membrane can set up the heat preservation with between the outer gypsum board, the cavity can set up the heat preservation with between the one-way breathing membrane, and the cavity is with the air exit fluid communication of house.
In the application, the one-way breathing film only allows free harmful gas such as formaldehyde to enter the cavity from the outer gypsum board, and does not allow harmful gas such as formaldehyde to return to the outer gypsum board from the cavity.
In an embodiment of the present application, the partition wall system may further include an ultraviolet lamp disposed at a top of the cavity.
In the embodiment of this application, formaldehyde degradation material in the inner layer gypsum board can be sprayed the inner layer gypsum board surface, is ultraviolet ray formaldehyde degradation material, the heat preservation is porous structure makes the ultraviolet ray pass through.
Optionally, the ultraviolet formaldehyde degradation material is TiO2The heat-insulating layer is made of rock wool or glass wool.
In embodiments of the present application, the formaldehyde-degrading material in the inner gypsum board may be added to the core of the inner gypsum board as an amino compound.
Optionally, the amino compound is selected from one or more of ammonium acetate, urea formaldehyde resin and urea.
In the embodiment of the application, the formaldehyde degradation material in the outer layer gypsum board can be sprayed on the surface of the outer layer gypsum board, and can be a visible light formaldehyde degradation material and/or an ultraviolet light formaldehyde degradation material.
Optionally, the visible light formaldehyde degradation material is modified TiO2A photocatalytic material.
Optionally, the ultraviolet formaldehyde degradation material is TiO2A photocatalytic material.
In an embodiment of the present application, the insulation layer may contain a formaldehyde-degrading material therein.
In the embodiment of the application, the formaldehyde degradation material in the heat insulation layer can be sprayed on the surface of the heat insulation layer and is an ultraviolet formaldehyde degradation material.
In embodiments of the present application, the formaldehyde-degrading material in the insulation layer may be added in the insulation layer core as an amino compound, optionally, one or more selected from ammonium acetate, urea-formaldehyde resin, and urea.
In embodiments of the present application, the inner layer gypsum board and/or the outer layer gypsum board may be phase change gypsum board.
In embodiments of the present application, the formaldehyde adsorbing material may be selected from one or more of diatomaceous earth, sepiolite, activated silicon, activated aluminium.
In an embodiment of the application, the formaldehyde adsorbent material is present in an amount of no more than 10% by weight of the plaster of paris, the starting material for the manufacture of the outer layer of gypsum board.
In an embodiment of the present application, the partition wall system may further include a formaldehyde content monitoring device configured to test a formaldehyde content in the partition wall system in real time and issue an alarm when the measured formaldehyde content exceeds a set value. People can increase the air volume of the fresh air system of the house after hearing the alarm, thereby accelerating the ultraviolet light catalysis rate in the partition wall system body.
In the embodiment of this application, the formaldehyde degradation material on outer gypsum board surface is ultraviolet ray formaldehyde degradation material, the furniture body coupling of partition wall system and house, furniture does not have back wall and/or roof, through one-way breathing membrane with the outer gypsum board fluid intercommunication of partition wall system.
The method for purifying the air by using the partition wall system has the advantages that the partition wall system made of the formaldehyde degradation material is added into the outer gypsum board, so that indoor harmful gases such as formaldehyde can be effectively removed, and the indoor air is purified. When the outer gypsum board contains formaldehyde adsorption material, harmful gases such as formaldehyde which are not degraded by formaldehyde degradation material are adsorbed, and enter the cavity between the outer gypsum board and the heat preservation layer through the one-way breathing film, and the harmful gases such as formaldehyde are discharged outdoors due to the fluid communication of the cavity and the air outlet of the house, so that the outer gypsum board can continuously adsorb the harmful gases such as formaldehyde in the air.
When the adopted partition wall system comprises the ultraviolet lamp and the inner layer gypsum board and/or the outer layer gypsum board are phase-change gypsum boards, the heat emitted by the ultraviolet lamp can be stored by the phase-change gypsum boards, and the energy is emitted at night or when the indoor temperature is low, so that the method can also achieve the purpose of regulating the indoor temperature. The ultraviolet lamp is arranged at the top of the cavity, and the keel at the top of the cavity is provided with the opening, and the size of the opening is smaller than that of the cavity, so that the flow channel of the air containing formaldehyde is narrowed when the air passes through the opening, the retention time is prolonged, the reaction time is prolonged, and the formaldehyde purification rate is improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.
Fig. 1 is a schematic structural view of a partition wall system having an air purification function according to embodiment 1 of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
TiO degrading Formaldehyde under ultraviolet light used in the following examples2The formaldehyde purification rate of 24 hours can reach more than 90 percent. Other raw materials and reagents, unless otherwise specified, are all common commercial products.
Example 1
The method of purifying air using the partition wall system of the present embodiment includes installing a partition wall system having an air purifying function in a house.
As shown in fig. 1, the partition wall system with an air purification function of the present embodiment includes an inner gypsum board 1, a keel 2, an insulating layer 3, a cavity 4, an ultraviolet lamp 5, a one-way breathing membrane 6, and an outer gypsum board 7.
The cavity 4 is arranged between the heat-insulating layer 3 and the one-way breathing membrane 6 and is in fluid communication with an air outlet of a fresh air system of a house; the ultraviolet lamp 5 is arranged at the top of the cavity 4; the unidirectional breathing membrane 6 is arranged between the heat-insulating layer 3 and the outer layer gypsum board 7.
The surface of the gypsum board 1 at the inner layer, which is close to the keel, is sprayed with the gypsum board with the effective content of 2g/m2TiO capable of degrading formaldehyde under ultraviolet light2。
The outer surface of the outer layer gypsum board 7 is sprayed with the effective content of 2g/m2TiO capable of degrading formaldehyde under ultraviolet light2The core of the outer layer gypsum board 7 contains 5% of diatomite (based on the weight of the plaster from which the outer layer gypsum board is made);
one surface of the heat-insulating layer 3, which is close to the cavity, is sprayed with effective content2g/m2TiO capable of degrading formaldehyde under ultraviolet light2。
Indoor furniture (such as a wardrobe) does not have a rear wall and is integrally connected with a partition wall system, and a one-way breathing film 6 is arranged between the furniture and an outer gypsum board 7 of the partition wall system, so that harmful gases such as formaldehyde and the like emitted from the inside of the wardrobe are continuously adsorbed by the outer gypsum board 7 under the action of negative pressure, enter a cavity 4 and are discharged outdoors from an air outlet of a fresh air system, and the indoor environment is improved.
The partition wall system with an air purification function of the present embodiment further includes a formaldehyde content monitoring device (commercially available) configured to test the formaldehyde content in the partition wall system in real time and issue an alarm when the measured formaldehyde content exceeds a set value. People can increase the air volume of the fresh air system of the house after hearing the alarm, thereby accelerating the ultraviolet light catalysis rate in the partition wall system body.
Example 2
This embodiment differs from embodiment 1 only in that: the baffle system does not include a cavity, an ultraviolet lamp, and a one-way breathing membrane.
The formaldehyde purification effect of the partition wall system of examples 1-2 is shown in the following table:
| serial number | Formaldehyde purification rate of 24h |
| Example 1 | 90.3％ |
| Example 2 | 77.0％ |
Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
Claims (11)
1. A method for purifying air by using a partition wall system comprises the partition wall system with an air purification function, wherein the partition wall system comprises a keel, an inner layer gypsum board, a heat insulation layer, a cavity, a one-way breathing film and an outer layer gypsum board which are sequentially arranged from inside to outside, the cavity is communicated with an air outlet of a house in a fluid mode, an ultraviolet lamp is arranged at the top of the cavity, a formaldehyde degradation material is sprayed on the surface of the inner layer gypsum board or the inner layer gypsum board core contains the formaldehyde degradation material, the formaldehyde degradation material is sprayed on the surface of the outer layer gypsum board, the outer layer gypsum board core also contains a formaldehyde adsorption material, the formaldehyde degradation material is sprayed on the surface of the heat insulation layer or the heat insulation layer core contains the formaldehyde degradation material, and the one-way breathing film only allows free formaldehyde to enter the cavity from the outer layer gypsum board, formaldehyde is not allowed to return from the cavity to the outer gypsum board.
2. The method for purifying air using a partition wall system according to claim 1, wherein the formaldehyde-degrading material on the surface of the inner gypsum board is an ultraviolet formaldehyde-degrading material, and the insulating layer has a porous structure so as to allow ultraviolet light to pass therethrough;
alternatively, the formaldehyde degrading material in the inner layer gypsum board core is an amino compound selected from one or more of ammonium acetate, urea formaldehyde resin and urea.
3. The method for purifying air using a partition system of claim 2, wherein the uv-formaldehyde degrading material on the surface of the inner gypsum board is TiO2The heat-insulating layer is made of rock wool or glass wool.
4. The method for purifying air using a partition wall system according to claim 1, wherein the formaldehyde-degradable material on the surface of the outer gypsum board is a visible light formaldehyde-degradable material and/or an ultraviolet light formaldehyde-degradable material.
5. The method for purifying air using a partition wall system according to claim 4, wherein the visible light formaldehyde degradation material is modified TiO2The ultraviolet formaldehyde degradation material on the surface of the outer layer gypsum board is TiO2A photocatalytic material.
6. The method for purifying air using a partition wall system according to claim 1, wherein the formaldehyde-degrading material on the surface of the insulation layer is an ultraviolet formaldehyde-degrading material;
or the formaldehyde degradation material in the heat insulation layer plate core is an amino compound and is selected from one or more of ammonium acetate, urea-formaldehyde resin and urea.
7. The method for purifying air using a partition system of claim 1, wherein the inner layer gypsum board and/or the outer layer gypsum board is a phase-change gypsum board.
8. The method for purifying air using a partition wall system according to claim 1, wherein the formaldehyde adsorbing material is selected from one or more of diatomite, sepiolite, activated silicon, and activated aluminum.
9. The method for purifying air using a partition wall system according to claim 8, wherein the formaldehyde adsorption material is not more than 10% by weight of plaster of paris, which is a raw material for preparing the outer gypsum board.
10. The method for purifying air using a partition wall system according to claim 1, wherein the partition wall system further comprises a formaldehyde content monitoring device configured to test the formaldehyde content in the partition wall system in real time and issue an alarm when the measured formaldehyde content exceeds a set value.
11. The method for purifying air using a partition wall system according to claim 4, wherein the formaldehyde-degrading material on the surface of the outer gypsum board is an ultraviolet formaldehyde-degrading material, the partition wall system is integrally connected with furniture of a house, the furniture has no back wall and/or top wall, and is in fluid communication with the outer gypsum board of the partition wall system through a one-way breathing membrane.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995899.9A CN109692568B (en) | 2017-10-23 | 2017-10-23 | Method for purifying air by using partition wall system |
| PCT/CN2018/078471 WO2019080435A1 (en) | 2017-10-23 | 2018-03-08 | Partition wall system having air purification function, and method for purifying air |
| CA3056827A CA3056827C (en) | 2017-10-23 | 2018-03-08 | Partition wall system having air purification function and method for purifying air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995899.9A CN109692568B (en) | 2017-10-23 | 2017-10-23 | Method for purifying air by using partition wall system |
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| Publication Number | Publication Date |
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| CN109692568A CN109692568A (en) | 2019-04-30 |
| CN109692568B true CN109692568B (en) | 2021-03-23 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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