WO2019080435A1 - Système de paroi de séparation présentant une fonction de purification d'air et procédé de purification d'air - Google Patents

Système de paroi de séparation présentant une fonction de purification d'air et procédé de purification d'air

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Publication number
WO2019080435A1
WO2019080435A1 PCT/CN2018/078471 CN2018078471W WO2019080435A1 WO 2019080435 A1 WO2019080435 A1 WO 2019080435A1 CN 2018078471 W CN2018078471 W CN 2018078471W WO 2019080435 A1 WO2019080435 A1 WO 2019080435A1
Authority
WO
WIPO (PCT)
Prior art keywords
gypsum board
formaldehyde
degradation material
formaldehyde degradation
partition wall
Prior art date
Application number
PCT/CN2018/078471
Other languages
English (en)
Chinese (zh)
Inventor
谭丹君
王鹏起
何亮
王莹
简铭
Original Assignee
北新集团建材股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201710995121.8A external-priority patent/CN109695306B/zh
Priority claimed from CN201710995899.9A external-priority patent/CN109692568B/zh
Priority claimed from CN201710994192.6A external-priority patent/CN109695305B/zh
Priority claimed from CN201710995122.2A external-priority patent/CN109695307B/zh
Application filed by 北新集团建材股份有限公司 filed Critical 北新集团建材股份有限公司
Priority to CA3056827A priority Critical patent/CA3056827C/fr
Publication of WO2019080435A1 publication Critical patent/WO2019080435A1/fr

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Classifications

    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/42—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
    • 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

Definitions

  • the present application relates to, but is not limited to, a partition wall system having an air purifying function and a method of purifying air.
  • Indoor formaldehyde pollution mainly comes from furniture, artificial boards, various adhesive coatings and synthetic textiles. Indoor formaldehyde pollution affects people's health and has attracted people's attention. The harm of indoor formaldehyde to human health mainly includes stimulating effect, toxic effect and carcinogenesis. If no effective measures are taken, the formaldehyde volatilization lasts for 3-15 years, which seriously affects the quality of the indoor environment in which people live.
  • the present application provides a partition wall system capable of reducing indoor formaldehyde.
  • the present application provides a partition wall system having an air purification function, the partition wall system including an inner layer gypsum board, a keel, an insulation layer, an outer layer gypsum board, a one-way breathing film, and a cavity, the single sheet Providing a respiratory film between the insulating layer and the outer gypsum board, the cavity being disposed between the insulating layer and the one-way breathing film, and the cavity being disposed to be in a row with the house
  • the tuyere is in fluid communication
  • the outer gypsum board contains a formaldehyde degradation material.
  • the one-way breathing membrane only allows free formaldehyde and other harmful gases to enter the cavity from the outer gypsum board, and does not allow harmful gases such as formaldehyde to return from the cavity to the outer gypsum board.
  • the inner layer gypsum board may contain a formaldehyde degradation material.
  • the formaldehyde degradation material in the outer gypsum board may be sprayed on the surface of the outer gypsum board and/or added to the outer gypsum board core, and sprayed on the surface of the outer gypsum board.
  • the formaldehyde degradation material may be a visible formaldehyde degradation material, and the formaldehyde degradation material added to the core of the outer gypsum board may be an amino compound.
  • the formaldehyde degradation material in the outer gypsum board when added to the outer gypsum board core, the formaldehyde degradation material may be added in an amount to prepare the outer gypsum board.
  • the gypsum has a weight of from 0.5% to 3%, alternatively from 2% to 3%.
  • the visible formaldehyde degradation material is a modified TiO 2 photocatalytic material.
  • the amino compound is selected from one or more of ammonium acetate, urea formaldehyde resin, and urea.
  • a formaldehyde degradation material may be added to the core of the inner layer gypsum board.
  • the formaldehyde degradation material in the core of the inner layer gypsum board is added in an amount of 0.5% to 3%, and optionally 2% to 3%, by weight of the gypsum for preparing the inner layer gypsum board. ;
  • the formaldehyde degradation material in the core of the inner layer gypsum board is an amino compound, and optionally, one or more selected from the group consisting of ammonium acetate, urea formaldehyde resin, and urea.
  • a formaldehyde degradation material may be added to the core of the heat insulating layer.
  • the formaldehyde degradation material in the core of the insulation layer is added in an amount of 2% to 3% by weight of the insulation layer;
  • the formaldehyde degradation material in the core of the insulation layer is an amino compound, and optionally, one or more selected from the group consisting of ammonium acetate, urea formaldehyde resin, and urea.
  • the partition wall system having an air purifying function may further include an ultraviolet lamp disposed at a top of the cavity.
  • the formaldehyde degradation material in the outer gypsum board may be sprayed on the surface of the outer gypsum board and/or added to the outer gypsum board core, and sprayed on the surface of the outer gypsum board.
  • the formaldehyde degradation material may be an ultraviolet photo formaldehyde degradation material, or a mixture of visible light formaldehyde degradation material and ultraviolet photo formaldehyde degradation material, and the formaldehyde degradation material added to the outer gypsum board core may be an amino compound.
  • the visible formaldehyde degradation material is a modified TiO 2 photocatalytic material.
  • the ultraviolet photo formaldehyde degradation material is a TiO 2 photocatalytic material.
  • the base compound is selected from one or more of ammonium acetate, urea formaldehyde resin, and urea.
  • the surface of the inner layer gypsum board may be sprayed with a formaldehyde degradation material, which may be an ultraviolet photo formaldehyde degradation material, and the insulation layer is a porous structure to allow ultraviolet light to pass through;
  • a formaldehyde degradation material which may be an ultraviolet photo formaldehyde degradation material
  • the insulation layer is a porous structure to allow ultraviolet light to pass through
  • a formaldehyde degradation material may be added to the core of the inner layer gypsum board, and the surface of the inner layer gypsum board may be sprayed with a formaldehyde degradation material, and the formaldehyde degradation material added to the core of the inner layer gypsum board may be
  • the formaldehyde degradation material sprayed on the surface of the inner layer gypsum board may be an ultraviolet photo formaldehyde degradation material
  • the insulation layer is a porous structure to allow ultraviolet light to pass therethrough.
  • the ultraviolet photo-formaldehyde degradation material is a TiO 2 photocatalytic material
  • the amino compound may be selected from one or more of ammonium acetate, urea-formaldehyde resin and urea
  • the thermal insulation layer is rock wool or glass. cotton.
  • the surface of the thermal insulation layer may be sprayed with a formaldehyde degradation material, which may be an ultraviolet photo formaldehyde degradation material;
  • a formaldehyde degradation material may be added to the core of the insulation layer, and the surface of the insulation layer may be sprayed with a formaldehyde degradation material, and the formaldehyde degradation material added to the core of the insulation layer may be an amino compound.
  • the formaldehyde degradation material sprayed on the surface of the layer may be an ultraviolet photo formaldehyde degradation material.
  • the ultraviolet photo formaldehyde degradation material is a TiO 2 photocatalytic material
  • the amino compound is selected from one or more of ammonium acetate, urea resin, and urea.
  • the inner layer gypsum board, or the outer layer gypsum board, or the inner layer gypsum board and the outer layer gypsum board may be a phase change gypsum board.
  • the outer gypsum board may further contain a formaldehyde adsorbing material.
  • the formaldehyde adsorbing material may be selected from one or more of diatomaceous earth, sepiolite, activated silicon, and activated aluminum.
  • the weight of the formaldehyde adsorbent material does not exceed 10% by weight of the raw material gypsum of the outer gypsum board.
  • the partition wall system having an air purifying function may further include a formaldehyde content monitoring device configured to test the formaldehyde content in the partition wall system in real time, when measured An alarm is issued when the formaldehyde content exceeds the set value.
  • a formaldehyde content monitoring device configured to test the formaldehyde content in the partition wall system in real time, when measured An alarm is issued when the formaldehyde content exceeds the set value.
  • people hear the alarm they can increase the air volume of the fresh air system of the house, thereby accelerating the ultraviolet photocatalytic rate inside the partition wall system.
  • the partition wall system may be integrally connected with the furniture of the house, and the furniture may have no rear wall, or a top wall, or a rear wall and a top wall, through the one-way breathing film and the partition wall
  • the outer gypsum board of the system is in fluid communication.
  • the present application also provides a method of purifying air, the method comprising employing a partition wall system having an air purifying function as described above.
  • the partition wall system of the present application has the function of degrading formaldehyde due to the addition of formaldehyde degradation material in the outer gypsum board, and the other properties of the partition wall system are not affected, and conform to national standards.
  • the outer gypsum board contains the formaldehyde adsorbing material, harmful gases such as formaldehyde which are not degraded by the formaldehyde degradation material are adsorbed, and enter the cavity between the outer gypsum board and the heat insulating layer through the one-way breathing film, due to the cavity and the house
  • the exhaust vents are in fluid communication, and harmful gases such as formaldehyde are discharged outside, so that the outer gypsum board can continuously adsorb harmful gases such as formaldehyde in the air.
  • the heat emitted by the ultraviolet lamp in the air purification functional partition wall system of the present application can be stored by the phase change gypsum board, and the energy is released at night or when the indoor temperature is low, so as to adjust the indoor temperature.
  • the UV lamp is disposed at the top of the cavity. Since the keel on the top of the cavity has an opening and the size of the opening is smaller than the size of the cavity, the flow channel of the formaldehyde-containing air is narrowed when the opening is opened, thereby increasing the residence time. The reaction time is prolonged, thereby increasing the formaldehyde purification rate.
  • FIG. 1 is a schematic structural view of a partition wall system with an air purifying function according to Embodiment 1 of the present application.
  • the TiO 2 which can degrade formaldehyde under ultraviolet light and the modified TiO 2 which can degrade formaldehyde under visible light used in the following examples are all common commercial products, and the products of the commercially available 24-hour formaldehyde purification rate of more than 90% are all commercially available. can.
  • Other raw materials and reagents are common commercial products unless otherwise stated.
  • the partition wall system with air purification function of the embodiment includes an inner layer gypsum board 1, a keel 2, an insulation layer 3, a cavity 4, an ultraviolet lamp 5, a unidirectional respiratory film 6 and an outer gypsum board. 7.
  • the one-way breathing film 6 is disposed between the heat insulating layer 3 and the outer layer gypsum board 7; the cavity 4 is disposed between the heat insulating layer 3 and the one-way breathing film 6, and The exhaust vent of the fresh air system of the house is in fluid communication; the ultraviolet lamp 5 is disposed at the top of the cavity 4.
  • the outer surface of the outer gypsum board 7 is sprayed with an effective content of 2 g/m 2 of TiO 2 which degrades formaldehyde under ultraviolet light, and the core of the outer gypsum board 7 contains 10% of diatomaceous earth ( Based on the weight of the plaster of the outer gypsum board.
  • the surface of the heat insulating layer 3 close to the cavity is sprayed with an effective content of 2 g/m 2 of TiO 2 which degrades formaldehyde under ultraviolet light.
  • the furniture in the room (for example, the wardrobe) has no rear wall and is integrally connected with the partition wall system, and the one-way breathing film 6 is disposed between the furniture and the outer gypsum board 7 of the partition wall system, so that the formaldehyde emitted inside the wardrobe can be released.
  • the harmful gas is continuously adsorbed by the outer gypsum board 7 under the action of negative pressure, enters the cavity 4, and then is discharged from the air outlet of the fresh air system to improve the indoor environment.
  • the partition wall system with air purifying function of the embodiment further includes a formaldehyde content monitoring device (commercially available), and the formaldehyde content monitoring device is configured to test the formaldehyde content in the partition wall system in real time, when the measured formaldehyde is An alarm is issued when the content exceeds the set value.
  • a formaldehyde content monitoring device commercially available
  • the formaldehyde content monitoring device is configured to test the formaldehyde content in the partition wall system in real time, when the measured formaldehyde is An alarm is issued when the content exceeds the set value.
  • people hear the alarm they can increase the air volume of the fresh air system of the house, thereby accelerating the ultraviolet photocatalytic rate inside the partition wall system.
  • Embodiment 1 differs from Embodiment 1 only in that the partition wall system does not include a cavity, an ultraviolet lamp, and a one-way breathing film.
  • This embodiment differs from Example 1 only in that the outer gypsum board core contains only ammonium acetate (excluding diatomaceous earth as a formaldehyde adsorbing material), and the addition amount of ammonium acetate accounts for the preparation of the outer layer gypsum. There is no formaldehyde degradation material on the outer surface of the outer gypsum board and the outer surface of the thermal insulation layer of 2% of the gypsum of the board.
  • the difference between this embodiment and the embodiment 1 is that only the formaldehyde degradation material sprayed on the outer surface of the outer gypsum board is only the modified TiO 2 which can degrade formaldehyde under visible light at an effective content of 2 g/m 2 . There is no formaldehyde degradation and adsorption material on the outer surface of the core and insulation layer of the layer gypsum board. Moreover, the partition wall system of the present embodiment is not integrally connected to the indoor furniture.
  • the difference between this embodiment and the embodiment 1 is that only the core of the inner layer gypsum board and the core of the outer layer gypsum board are additionally added with ammonium acetate as a formaldehyde degradation material, and the addition amount of ammonium acetate accounts for preparation. 0.5% by weight of the gypsum of the inner gypsum board and the outer gypsum board.
  • Example 1 Serial number 24-hour formaldehyde purification rate
  • Example 2 77.0%
  • Example 3 93.6%
  • Example 4 90.3%
  • Example 5 96.8%
  • the partition wall system with air purifying function and the method for purifying air of the present application are capable of degrading formaldehyde and effectively purifying indoor air.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Catalysts (AREA)

Abstract

L'invention concerne un système de paroi de séparation présentant une fonction de purification d'air. Le système de paroi de séparation comprend une plaque de gypse interne (1), un pied (2), une couche d'isolation thermique (3), une plaque de gypse externe (7), une membrane de respiration unidirectionnelle (6) et une cavité (4). La membrane de respiration unidirectionnelle (6) est disposée entre la couche d'isolation thermique (3) et la plaque de gypse externe (7). La cavité (4) est disposée entre la couche d'isolation thermique (3) et la membrane de respiration unidirectionnelle (6) et est configurée pour être en communication fluidique avec un évent d'air d'une maison. La plaque de gypse externe (7) contient un matériau de dégradation de formaldéhyde. L'invention concerne également un procédé de purification d'air au moyen du système de paroi de séparation présentant une fonction de purification d'air.
PCT/CN2018/078471 2017-10-23 2018-03-08 Système de paroi de séparation présentant une fonction de purification d'air et procédé de purification d'air WO2019080435A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3056827A CA3056827C (fr) 2017-10-23 2018-03-08 Systeme de paroi de separation presentant une fonction de purification d'air et procede de purification d'air

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN201710995122.2 2017-10-23
CN201710994192.6 2017-10-23
CN201710995121.8A CN109695306B (zh) 2017-10-23 2017-10-23 一种能够净化空气的隔墙系统
CN201710995121.8 2017-10-23
CN201710995899.9A CN109692568B (zh) 2017-10-23 2017-10-23 一种利用隔墙系统净化空气的方法
CN201710994192.6A CN109695305B (zh) 2017-10-23 2017-10-23 一种净化空气的方法
CN201710995899.9 2017-10-23
CN201710995122.2A CN109695307B (zh) 2017-10-23 2017-10-23 一种具有空气净化功能的隔墙系统

Publications (1)

Publication Number Publication Date
WO2019080435A1 true WO2019080435A1 (fr) 2019-05-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/078471 WO2019080435A1 (fr) 2017-10-23 2018-03-08 Système de paroi de séparation présentant une fonction de purification d'air et procédé de purification d'air

Country Status (2)

Country Link
CA (1) CA3056827C (fr)
WO (1) WO2019080435A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115784697A (zh) * 2022-11-29 2023-03-14 广州市贤达建材有限公司 一种自保温蒸压加气砌块及其制备工艺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10337803A (ja) * 1997-06-06 1998-12-22 Toppan Printing Co Ltd 石膏ボード
CN201078037Y (zh) * 2007-08-20 2008-06-25 苏州皇家整体住宅系统有限公司 木结构单向透气保温墙体
CN204475754U (zh) * 2015-03-24 2015-07-15 东易日盛家居装饰集团股份有限公司 一种分解甲醛轻钢龙骨隔墙结构
CN205024879U (zh) * 2015-10-08 2016-02-10 威海海宝集成房屋有限公司 一种带玻璃钢通风槽的墙体
CN205171732U (zh) * 2015-11-11 2016-04-20 华北水利水电大学 一种隔音墙体结构
CN105587084A (zh) * 2015-12-15 2016-05-18 泰山石膏股份有限公司 一种纸面石膏板、其制备方法及其使用方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10337803A (ja) * 1997-06-06 1998-12-22 Toppan Printing Co Ltd 石膏ボード
CN201078037Y (zh) * 2007-08-20 2008-06-25 苏州皇家整体住宅系统有限公司 木结构单向透气保温墙体
CN204475754U (zh) * 2015-03-24 2015-07-15 东易日盛家居装饰集团股份有限公司 一种分解甲醛轻钢龙骨隔墙结构
CN205024879U (zh) * 2015-10-08 2016-02-10 威海海宝集成房屋有限公司 一种带玻璃钢通风槽的墙体
CN205171732U (zh) * 2015-11-11 2016-04-20 华北水利水电大学 一种隔音墙体结构
CN105587084A (zh) * 2015-12-15 2016-05-18 泰山石膏股份有限公司 一种纸面石膏板、其制备方法及其使用方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115784697A (zh) * 2022-11-29 2023-03-14 广州市贤达建材有限公司 一种自保温蒸压加气砌块及其制备工艺
CN115784697B (zh) * 2022-11-29 2024-02-23 广州市贤达建材有限公司 一种自保温蒸压加气砌块及其制备工艺

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Publication number Publication date
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CA3056827C (fr) 2021-11-30

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