[go: up one dir, main page]

WO2016050192A1 - Procédé pour fabriquer un panneau d'isolation à vide - Google Patents

Procédé pour fabriquer un panneau d'isolation à vide Download PDF

Info

Publication number
WO2016050192A1
WO2016050192A1 PCT/CN2015/090944 CN2015090944W WO2016050192A1 WO 2016050192 A1 WO2016050192 A1 WO 2016050192A1 CN 2015090944 W CN2015090944 W CN 2015090944W WO 2016050192 A1 WO2016050192 A1 WO 2016050192A1
Authority
WO
WIPO (PCT)
Prior art keywords
barrier film
vacuum
core material
insulation panel
vacuum insulation
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2015/090944
Other languages
English (en)
Chinese (zh)
Inventor
刘强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Super Tech Advanced Materialco Ltd
Original Assignee
Fujian Super Tech Advanced Materialco Ltd
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
Application filed by Fujian Super Tech Advanced Materialco Ltd filed Critical Fujian Super Tech Advanced Materialco Ltd
Publication of WO2016050192A1 publication Critical patent/WO2016050192A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/065—Arrangements using an air layer or vacuum using vacuum

Definitions

  • the invention relates to a method for manufacturing a vacuum insulation board, and the vacuum insulation board produced is mainly used for heat insulation of buildings, household appliances, pipes and other equipment.
  • Vacuum insulation board Panel is a new type of thermal insulation material made of vacuum insulation. It is composed of a high-barrier packaging material and a core material, a getter or a desiccant. In the state of encapsulating the core material, the getter or the desiccant with the encapsulating material, the principle of vacuum insulation is utilized to achieve the purpose of heat preservation and energy saving.
  • the physical condition of vacuum insulation is that the degree of vacuum must meet the requirements of adiabatic characteristics, that is, the internal pressure is sufficiently low to achieve the molecular flow state of gas molecular motion. That is to say, after the VIP package, how to ensure the thermal insulation characteristics, the internal vacuum is the key to the quality and service life of the product.
  • the VIP core material is composed of a multi-layer microporous insulation material, and it takes a long time to remove the gas inside, which is a major difficulty encountered in mass industrial production.
  • the porous material exposed to the natural environment adsorbs the gas and moisture in the air, and the water remaining in the core material during the production of the core material, so that the water content is high.
  • the heat transfer of water and gas molecules is greater than the heat transfer coefficient of permanent gases such as N 2 , O 2 , CO 2 , etc. Therefore, excessive water will cause a decrease in thermal insulation performance, difficulty in pumping, and even change the characteristics of the core material until the function fails.
  • One of the most important factors influencing VIP products are important factors that are important factors that are important factors that are important factors that are important factors that the core material.
  • VIP outer coated barrier film such as: barrier film
  • barrier film exposed to the natural environment, the surface of the adsorption of permanent gases and condensable gases, typically such as water, VIP gas pressure will destroy the vacuum insulation effect, which is also The main factors directly affecting VIP quality and longevity.
  • Step 1 Use a bag making machine to make a size-obtaining barrier bag, seal the three sides, and leave one side without sealing;
  • Step 2 in the state of the atmosphere, the core material is cut, after sufficient baking and dehydration, the water content of the core material must be less than 1%;
  • Step 3 Place the getter in the baked core material, install it in the barrier bag in step 1, and then put it into the vacuum chamber. After a long period of pumping, it will block after reaching the vacuum requirement. Bag heat sealing;
  • Step 4 Take the VIP out of the vacuum chamber by deflation.
  • This method has the following problems:
  • step 3 after the baked core material is bagged and the getter is placed, the surface temperature of the core material is lowered before being loaded into the vacuum chamber, and there is a risk of secondary adsorption of water;
  • step three as the pressure changes, the airflow of the pocket is gradually reduced, and the pumping time is as long as 40. Above min, it is difficult to increase production efficiency;
  • the barrier bag in the first step is usually made of a barrier film of a polymer polyester material, and the gas and moisture adsorbed on the inner surface of the barrier bag are difficult to be removed in a vacuum, and will be desorbed after being encapsulated in the bag mouth. Destroying the vacuum inside the VIP, increasing the thermal conductivity of the VIP and shortening its service life.
  • the vacuum exhaust method is the key to guarantee the quality of the product, and also the key to improving the production capacity of the entire production line. It is also the core technology for realizing the intelligent automatic production line. Therefore, the inventors further studied this and developed a new method for manufacturing a vacuum insulation panel.
  • the object of the present invention is to provide a method for manufacturing a vacuum insulation panel, which not only can improve the product quality of the vacuum insulation panel, but also can improve the production capacity of the entire production line and realize intelligent automatic water production.
  • a method for manufacturing vacuum insulation board :
  • Step 1 Baking and dehydrating the core material in an atmospheric state
  • Step 2 placing the core material and the barrier film in a vacuum chamber to evacuate and further remove residual moisture to meet the requirement of vacuum degree for manufacturing the vacuum insulation panel;
  • Step 3 under vacuum conditions, the barrier film is coated on the surface of the core material, and the barrier film is heat-sealed;
  • Step 4 Remove the vacuum insulation panel from the vacuum chamber by deflation.
  • the baking dehydration time is 100-180 min, and the baking dehydration temperature is 180-300 ° C.
  • the retention time of the barrier film in the vacuum chamber is greater than or equal to 2 min, and the retention time of the core material in the vacuum chamber is less than or equal to 10 min.
  • a preparation area and a heat sealing area are disposed in the vacuum chamber, the core material is evacuated in the preliminary area, and the barrier film is evacuated in the preliminary area and heated to degas to achieve vacuum insulation. After the vacuum degree of the board is required, the barrier film is sealed in the heat sealing zone.
  • the barrier film is a barrier bag made of a high barrier material, and the three sides are sealed, and one side is not sealed.
  • the barrier film is an upper barrier film and a lower barrier film made of a high barrier material, and the core material is interposed between the upper barrier film and the lower barrier film.
  • the barrier film is a back sealing bag made of a high barrier material, and the core material is placed in the back sealing bag.
  • a heating pipe is disposed in the vacuum zone, and the heating pipe heats the upper barrier film and the lower barrier film.
  • the upper barrier film, the lower barrier film and the core material respectively enter the vacuum chamber and are evacuated.
  • the upper barrier film, the lower barrier film and the core material are not in contact with each other and enter the vacuum chamber for pumping.
  • the core material is placed on the surface of the lower barrier membrane, and enters the vacuum chamber together with the lower barrier membrane to extract air.
  • the invention adopts directly feeding the baked core material into the vacuum chamber, thereby exposing the core material and the barrier film to a vacuum environment, and has the following advantages compared with the prior art:
  • the evaporation temperature of water is reduced in the vacuum chamber, and the vacuum core material can be dried in the shortest time as long as a reasonable vacuum unit is arranged;
  • the gas and water vapor adsorbed on the surface of the barrier film are removed in a vacuum to avoid the influence of the permanent gas and the condensable gas adsorbed on the inner surface exposed to the natural environment.
  • Figure 1 is a schematic view of a vacuum chamber in a preferred embodiment 1 of the present invention
  • Figure 2 is a schematic view of a high barrier enamel film in a preferred embodiment 1 of the present invention.
  • Figure 3 is a schematic view of a high barrier enamel film in a preferred embodiment 2 of the present invention.
  • Figure 4 is a schematic view of a high barrier enamel film in a preferred embodiment 3 of the present invention.
  • Figure 5 is a schematic view of a vacuum chamber in a preferred embodiment 4 of the present invention.
  • Figure 6 is a graph of the test experiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • Step 1 In the state of the atmosphere, the core material 1 is cut and subjected to baking dehydration to remove the moisture remaining in the core material 1. Since the new manufacturing process of the present invention is employed, it is not necessary to strictly control the water content of the core material 1 after baking as in the prior art to be less than 1%.
  • the baking time is 120 min
  • the baking temperature is 240 ° C
  • the baking time is too long
  • the excessive temperature will consume a large amount of energy
  • increase the cost the baking time is too short
  • the temperature is too low
  • the baking is performed.
  • the baking dehydration effect is poor, affecting the subsequent steps.
  • Step 2 The core material 1 and the barrier film 2 are placed in the vacuum chamber 3 to evacuate, and the moisture and gas adsorbed on the surface of the core material 1 and the barrier film 2 are further desorbed and analyzed until the vacuum degree of the vacuum insulation panel is reached.
  • the high barrier film 2 is divided into an upper barrier film 21 and a lower barrier film 22, and the upper barrier film 21, the lower barrier film 22, and the core material 1 are placed in contact with each other. Said in the vacuum chamber 3.
  • the preliminary area 31 and the heat sealing area 32 are disposed in the vacuum chamber 3, and the core material 1 can be evacuated in all directions of the core material 1 when the preliminary area 31 is evacuated, and the bag is opened in comparison with the prior art.
  • the vacuum is greatly increased, the pumping time is saved, the production time is reduced, and the production cost is reduced.
  • the upper barrier film 21 and the lower barrier film 22 are evacuated in the preliminary region, and the gas and moisture adsorbed on the surfaces of the upper barrier film 21 and the lower barrier film 22 are removed in a vacuum to avoid exposure to the natural environment. Permanent gas and condensable gas adsorbed on the surface.
  • the heating pipe 33 is disposed in the preliminary zone 31, and the upper barrier film 21 and the lower barrier film 22 are heated by the heating pipe 33 to more quickly remove the water adsorbed on the surfaces of the upper barrier film 21 and the lower barrier film 22. Gas and gas.
  • the residence time of the upper barrier membrane 21 and the lower barrier membrane 22 in the vacuum chamber 3 is greater than or equal to 2 min. If the residence time is less than 2 min, the gas and moisture adsorbed on the surfaces of the upper barrier membrane 21 and the lower barrier membrane 22 cannot be sufficiently pumped. except.
  • the core material 1 has a residence time in the vacuum chamber 3 of less than or equal to 10 min. Of course, the length of the retention time will be determined according to the material of the core material.
  • Step 3 The core material 1 is placed between the upper barrier film 21 and the lower barrier film 22, and the upper barrier film 21 and the lower barrier film are thermally sealed 22 in the heat sealing portion 32 of the vacuum chamber 3.
  • Step 4 The vacuum insulation panel is taken out of the vacuum chamber 3 by deflation.
  • the experiment mainly tests the change of the core material outside the aluminum bag and the core material in the aluminum bag as the pumping time changes.
  • the length and width of the aluminum bag are 450mm and 360mm, respectively, and the length, width and height of the core material are 300mm, 300mm and 20mm respectively.
  • the diameter of the suction pipe is 200mm.
  • the experimental results are shown in Figure 5.
  • the pressure of the gas is reduced from 10 5 to 10 2 . Due to the pressure of the vacuum chamber, the movement state of the gas molecules is in a turbulent or viscous flow state. The limitation is not obvious, and the pumping rate is faster. Due to the higher pressure, the gas released from the surface of the core material has less influence on the vacuum degree of the vacuum chamber.
  • the time of bare pumping and bagging is not much different.
  • the gas molecular motion state in the vacuum chamber gradually transitions from the viscous flow to the molecular flow state, and the gas released from the surface of the core material becomes the main factor affecting the pressure of the vacuum chamber.
  • the airflow of the bag mouth drops rapidly, and the pressure in the bag and the pressure in the vacuum chamber produce a large pressure difference.
  • the pumping flow of the bagging is limited, and the pumping flow of the bare pumping is limited. .
  • the difference between this embodiment and the first embodiment is that the barrier film 2 is a barrier bag made of a high barrier material, and the three sides are sealed, and one side is not sealed. The rest is the same as the first embodiment and will not be described again.
  • the difference between this embodiment and the first embodiment is that the barrier film 2 is a back sealing bag made of a high barrier material, and the core material 1 is placed in a back sealing bag.
  • the rest of the embodiment is the same as that of the first embodiment, and therefore will not be described again.
  • the difference between this embodiment and the first embodiment is that the core material 1 is directly placed on the lower barrier film 22 and enters the vacuum chamber 3, and the rest is the same as that of the first embodiment. Therefore, it will not be repeated.
  • the invention adopts directly feeding the baked core material into the vacuum chamber, so that all the multi-layer core materials are exposed to the vacuum, avoiding the obstruction of the barrier film, increasing the air flow guiding, facilitating short-time exhausting, and extracting. Residual moisture, suitable for industrial mass production.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Insulation (AREA)

Abstract

L'invention porte sur un procédé pour fabriquer un panneau d'isolation à vide, lequel procédé comprend les étapes suivantes : étape un : cuisson d'un matériau de cœur (1) pour la déshydratation dans un état atmosphérique ; étape deux : disposition du matériau de cœur (1) et d'un film de barrière (2) dans une chambre à vide (3) pour une évacuation pour satisfaire aux exigences de degré de vide pour réaliser un panneau d'isolation à vide ; étape trois : revêtement du film de barrière (2) sur la surface du matériau de cœur sous la condition de vide, et scellement hermétique du film de barrière (2) par chauffage ; et étape quatre : extraction du panneau d'isolation à vide hors de la chambre à vide (3) par dégonflage. Ce procédé envoie le matériau de cœur (1) après cuisson directement dans la chambre à vide (3) de façon à exposer le matériau de cœur (1) et le film de barrière (2) à un environnement de vide. En ce qui concerne les exigences pour acquérir le même degré de vide, le temps d'évacuation est raccourci de 20 minutes et le rendement de production est considérablement accru.
PCT/CN2015/090944 2014-09-29 2015-09-28 Procédé pour fabriquer un panneau d'isolation à vide Ceased WO2016050192A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201410514442 2014-09-29
CN201410514442.8 2014-09-29
CN201410542018.4A CN105570617A (zh) 2014-09-29 2014-10-14 一种真空绝热板的制作方法
CN201410542018.4 2014-10-14

Publications (1)

Publication Number Publication Date
WO2016050192A1 true WO2016050192A1 (fr) 2016-04-07

Family

ID=55629439

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/090944 Ceased WO2016050192A1 (fr) 2014-09-29 2015-09-28 Procédé pour fabriquer un panneau d'isolation à vide

Country Status (2)

Country Link
CN (1) CN105570617A (fr)
WO (1) WO2016050192A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106742220A (zh) * 2016-12-27 2017-05-31 苏州维艾普新材料股份有限公司 一种真空绝热板制造装置
CN110822219B (zh) * 2019-09-19 2021-06-08 滁州银兴新材料科技有限公司 一种新式干燥法制备冰箱真空隔热板的加工工艺
CN112550856B (zh) * 2020-12-09 2021-12-21 北新集团建材股份有限公司 一种真空保温矿棉板的生产系统
CN112610807A (zh) * 2020-12-18 2021-04-06 四川迈科隆真空新材料有限公司 一种多段长条形真空绝热板的制造与切割方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029309A1 (fr) * 1996-12-23 1998-07-09 Vacupanel, Inc. Panneau isolant, recipient et procede de production associe
CN101691899A (zh) * 2009-10-01 2010-04-07 福建赛特新材料有限公司 一种复合芯材真空绝热板及其制备方法
CN102729316A (zh) * 2012-07-10 2012-10-17 袁江涛 真空隔热板的制备方法
CN102954315A (zh) * 2012-10-30 2013-03-06 安徽科瑞克保温材料有限公司 背封式真空绝热板的生产设备
CN102963104A (zh) * 2012-10-30 2013-03-13 安徽科瑞克保温材料有限公司 一种背封式真空绝热板的制作方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000291882A (ja) * 1999-04-02 2000-10-20 Matsushita Refrig Co Ltd 真空断熱体の製造方法
CN1321036C (zh) * 2003-12-29 2007-06-13 财团法人工业技术研究院 真空封装方法及其机构
CN102174974A (zh) * 2011-03-01 2011-09-07 高家碧 全纸板结构支撑的真空隔热板及制造方法
CN103090157B (zh) * 2013-02-05 2015-08-19 山东华德隆建材科技有限公司 一种真空绝热板及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029309A1 (fr) * 1996-12-23 1998-07-09 Vacupanel, Inc. Panneau isolant, recipient et procede de production associe
CN101691899A (zh) * 2009-10-01 2010-04-07 福建赛特新材料有限公司 一种复合芯材真空绝热板及其制备方法
CN102729316A (zh) * 2012-07-10 2012-10-17 袁江涛 真空隔热板的制备方法
CN102954315A (zh) * 2012-10-30 2013-03-06 安徽科瑞克保温材料有限公司 背封式真空绝热板的生产设备
CN102963104A (zh) * 2012-10-30 2013-03-13 安徽科瑞克保温材料有限公司 一种背封式真空绝热板的制作方法

Also Published As

Publication number Publication date
CN105570617A (zh) 2016-05-11

Similar Documents

Publication Publication Date Title
WO2016050192A1 (fr) Procédé pour fabriquer un panneau d'isolation à vide
WO2013073883A1 (fr) Panneau de verre sous vide comportant un agent de remplissage à dégazeur et son procédé de fabrication
TW201404729A (zh) 成型模具、使用該玻璃成型模具的玻璃成型裝置及方法
CN105271792B (zh) 固化装置及固化方法
JP2002228359A (ja) ハニカム構造体の乾燥方法
JP2011176178A5 (fr)
WO2018012690A1 (fr) Appareil de stérilisation utilisant une poche d'étanchéité et un récipient sous vide
CN101587808A (zh) 真空器件的封接装置以及封接方法
CN207263524U (zh) 一种气体除湿装置
CN105977014A (zh) 一种电流互感器线圈的干燥方法
WO2022205503A1 (fr) Système d'absorption d'humidité d'un appareil rempli d'huile et procédé de commande de fonctionnement d'un système d'absorption d'humidité
CN118218326A (zh) 一种基板存储容器清洁方法及清洁单元及清洁设备
CN113277751B (zh) 一种真空玻璃生产用烘干装置及其烘干方法
CN214612209U (zh) 一种真空玻璃高温排气封装设备
TWM512209U (zh) 快速熱製程設備
CN213481819U (zh) 一种真空吸附管老化仪
CN203163471U (zh) 一种高密封性的激光真空烧结炉
CN203163470U (zh) 一种激光真空烧结炉
KR890002684A (ko) 광전장치와 영상관 하우징의 결합장치 및 그 방법
WO2016004659A1 (fr) Appareil de refroidissement de gaz et système fonctionnant à haute température
CN104375237A (zh) 一种光学纤维二次复丝表面清洁的方法及其装置
CN112876101A (zh) 一种真空玻璃高温排气封装设备及封装方法
CN208594347U (zh) 分子束外延系统的进样装置
CN219364999U (zh) 一种建筑用可开孔真空绝热板
CN219861573U (zh) 一种微波等离子体化学气相沉积设备反应腔结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15846592

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15846592

Country of ref document: EP

Kind code of ref document: A1