CN202730996U - Fireproof vacuum insulation panel for external thermal insulation system of building - Google Patents
Fireproof vacuum insulation panel for external thermal insulation system of buildingDownload PDFInfo
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Abstract
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Description
Translated fromChinese技术领域technical field
本发明属于建筑保温材料领域，具体涉及一种新型防火真空绝热板，尤其涉及建筑外墙外保温系统的防火真空绝热板。The invention belongs to the field of building thermal insulation materials, and in particular relates to a novel fireproof vacuum heat insulation panel, in particular to a fireproof vacuum heat insulation panel for an external thermal insulation system of a building exterior wall.
背景技术Background technique
随着社会经济地不断发展，能源消耗与二氧化碳排放量逐年升高，造成了资源紧张和环境破坏的双重压力，我国政府意识到节能减排的重要性，将节能减排定为国策。建筑能耗占全社会商品能耗达到四分之一以上。而降低采暖和降温能耗的主要途径之一就是提高建筑物围护结构的保温隔热性能，降低其传热损失。With the continuous development of society and economy, energy consumption and carbon dioxide emissions are increasing year by year, resulting in the dual pressure of resource shortage and environmental damage. The Chinese government realizes the importance of energy conservation and emission reduction, and makes energy conservation and emission reduction a national policy. The energy consumption of buildings accounts for more than a quarter of the energy consumption of commodities in the whole society. One of the main ways to reduce heating and cooling energy consumption is to improve the thermal insulation performance of the building envelope and reduce its heat transfer loss.
目前，全国普遍推广的建筑外围护结构的保温隔热方式是采用膨胀聚苯板(EPS)、挤塑板(XPS)及聚氨酯发泡(PU)等有机保温材料对外墙和屋顶进行外保温。有机保温材料具有轻质、致密性高、导热系数低等优点，但也存在易老化和粉化的缺点，一般来说使用年限约为20至30年。而我国一般的居住和公共建筑的设计寿命在50年以上。两者寿命的不匹配导致需中途更换保温材料从而成为一项消耗资源和财力的巨大工程。特别是近几年，以聚苯板为主的建筑保温体系存在的火灾隐患、脱落隐患、耐久性、服役期后产生巨量垃圾等问题逐渐暴露出来，业界呼吁淘汰聚苯板等有机保温材料的声浪日高。央视大楼火灾和上海胶州路大火之后，惨痛的教训使这一呼声更掀高潮。At present, the thermal insulation method of building envelope structure widely promoted in the country is to use organic thermal insulation materials such as expanded polystyrene board (EPS), extruded polystyrene board (XPS) and polyurethane foam (PU) for external insulation of external walls and roofs. . Organic insulation materials have the advantages of light weight, high density, and low thermal conductivity, but they also have the disadvantages of easy aging and pulverization. Generally speaking, the service life is about 20 to 30 years. The design life of general residential and public buildings in our country is more than 50 years. The mismatch of the service life of the two leads to the need to replace the insulation material midway, which becomes a huge project that consumes resources and financial resources. Especially in recent years, problems such as fire hazards, hidden dangers of falling off, durability, and huge amount of garbage generated after the service period of the building insulation system based on polystyrene boards have been gradually exposed. The industry calls for the elimination of polystyrene boards and other organic insulation materials. The noise is rising day by day. After the CCTV building fire and the Jiaozhou Road fire in Shanghai, the painful lessons made this call even more climax.
从国外外墙外保温系统的发展历史可以看到，对外墙外保温防火安全性的要求一直被作为该技术应用的首选条件。在欧美等外墙外保温技术应用先进的国家，对重要建筑、高层建筑的外墙保温系统均有严格的防火要求；对不同外墙外保温系统和保温材料均有防火测试方法和分级标准，同时对不同防火等级的外墙保温系统在建筑领域的使用范围进行规定。对外墙外保温的整体性研究也使得测试标准的重点都放在对保温体系的防火性进行测试和评估上，因此也形成了多个可参考的外墙外保温体系防火标准。例如：英国标准BS8414-1：2002《建筑表面非承重外覆层系统的防火性能测试方法》和BRE135(2003)《多层建筑外保温的防火性能试验》，再如，美国保险商实验室标准UL1040《建筑隔热墙体火灾测试》和美国国家标准ANSI FM 4880《内外装修系统的火灾试验》。在德国有因聚苯板薄抹灰系统防火安全性达不到要求而不能在22m以上建筑使用的相关规定；在英国有18m以上建筑不允许使用聚苯板薄抹灰外墙外保温体系的规定。It can be seen from the development history of external thermal insulation system of external walls abroad that the fire safety requirements of external thermal insulation of external walls have always been regarded as the first choice for the application of this technology. In countries with advanced application of external wall insulation technology such as Europe and the United States, there are strict fire protection requirements for external wall insulation systems of important buildings and high-rise buildings; there are fire test methods and classification standards for different external wall insulation systems and insulation materials. At the same time, the scope of use of external wall insulation systems with different fire ratings in the construction field is stipulated. The overall research on external thermal insulation of external walls has also made the test standards focus on testing and evaluating the fire resistance of thermal insulation systems, so a number of fire protection standards for external thermal insulation systems have also been formed for reference. For example: British Standard BS8414-1:2002 "Test Method for Fire Performance of Building Surface Non-Load-bearing Outer Cladding System" and BRE135 (2003) "Fire Performance Test of External Insulation of Multi-storey Buildings", another example, the American Underwriters Laboratories standard UL1040 "Fire Tests for Building Thermal Insulation Walls" and American National Standard ANSI FM 4880 "Fire Tests for Interior and Interior Decoration Systems". In Germany, there are relevant regulations that the polystyrene board thin plastering system cannot be used in buildings above 22m because the fire safety cannot meet the requirements; in the UK, buildings above 18m are not allowed to use polystyrene board thin plastering external wall insulation systems Regulation.
2011年公安部发布了《关于进一步明确民用建筑外保温材料消防监督管理有关要求的通知》，明确指出“在新标准发布前，从严执行《民用建筑外保温系统及外墙装饰防火暂行规定》(公通字[2009]46号)第二条规定，民用建筑外保温材料采用燃烧性能为A级的材料”。这对我国建筑市场提出了更高的要求，该规定对规范外墙保温市场，减少建筑火灾事故，意义非常重大。In 2011, the Ministry of Public Security issued the "Notice on Further Clarifying Relevant Requirements for Fire Protection Supervision and Management of Civil Building External Thermal Insulation Materials", which clearly pointed out that "before the release of new standards, strictly implement the "Interim Provisions on Fire Protection of Civil Building External Thermal Insulation Systems and External Wall Decoration" (Gongtongzi [2009] No. 46) Article 2 stipulates that the external insulation materials of civil buildings shall be materials with a combustion performance of Class A". This puts forward higher requirements for my country's construction market. This regulation is of great significance for regulating the external wall insulation market and reducing building fire accidents.
以多孔材料为芯材的真空绝热板(Vacuum Insulation Panel，简称VIP)是近年开发的一种新型高效绝热材料，主要由真空封装的微孔夹心结构和封装材料构成。与传统保温材料相比，其导热系数可以达到0.003W/(m·K)-0.01W/(m·K)，相当于普通绝热材料的10倍甚至更高；同时，其轻质高强，具有A级防火性能，在建筑保温防火方面将大有用武之地。The vacuum insulation panel (Vacuum Insulation Panel, referred to as VIP) with porous material as the core material is a new type of high-efficiency insulation material developed in recent years. It is mainly composed of a vacuum-packed microporous sandwich structure and packaging materials. Compared with traditional thermal insulation materials, its thermal conductivity can reach 0.003W/(m·K)-0.01W/(m·K), which is equivalent to 10 times or even higher than that of ordinary thermal insulation materials; Class A fire performance, it will be very useful in building thermal insulation and fire protection.
第一代的真空绝热板采用泡沫塑料作为夹心材料，密度小、导热系数低。中国专利号ZL200610122870.1公开了一种以玻璃纤维与酚醛复合材料为芯材的VIP板及制备方法，该VIP板为三层结构，上下层为玻璃纤维，中间层为发泡酚醛。中国专利号ZL 200610122871.6公开了一种以发泡酚醛为芯材的真空绝热板及制备方法；中国专利公开号CN1087650公开了一种以开孔硬质聚氨酯泡沫体为芯材的真空绝热板的制备方法。以上这些专利都是以有机聚合物为绝热芯材，由于有机聚合物耐高温及阻燃性能不理想，防火等级达不到A级，主要用于冰箱和真空运输行业，不适宜在建筑外墙外保温系统中的推广应用。The first generation of vacuum insulation panels uses foamed plastic as the sandwich material, which has low density and low thermal conductivity. Chinese Patent No. ZL200610122870.1 discloses a VIP board with glass fiber and phenolic composite material as the core material and its preparation method. The VIP board has a three-layer structure, the upper and lower layers are made of glass fiber, and the middle layer is foamed phenolic. Chinese Patent No. ZL 200610122871.6 discloses a vacuum insulation panel with foamed phenolic formaldehyde as the core material and its preparation method; Chinese Patent Publication No. CN1087650 discloses a vacuum insulation panel with open-cell rigid polyurethane foam as the core material. method. The above patents all use organic polymers as thermal insulation core materials. Due to the unsatisfactory high temperature resistance and flame retardancy of organic polymers, the fire protection rating cannot reach Class A. They are mainly used in refrigerators and vacuum transportation industries, and are not suitable for building exterior walls. Popularization and application in external thermal insulation system.
第二代真空绝热板主要采用无机多孔材料为绝热芯材，中国专利200420053407.2公开了一种真空绝热板，所述芯材为二氧化硅气凝胶和玻璃纤维，所述芯材表面设置有红外反射层，所述外壳为层叠袋或硬质金属或玻璃板。该专利工艺复杂，复合芯材成本较高。中国专利公开号CN 102102796A公开了一种真空绝热板及其制备方法，所述芯材由超细玻璃棉、离心棉和矿物棉组成。该专利芯材需要120-160℃温度热处理，然后需要在制作的真空绝热板板面上开孔，安装开孔构件，工艺复杂，生产周期长，可操作性差，生产成本高，不适宜推广应用。The second generation of vacuum insulation panels mainly uses inorganic porous materials as the insulation core material. Chinese patent 200420053407.2 discloses a vacuum insulation panel. The core material is silica airgel and glass fiber. reflective layer, the housing is a laminated bag or a hard metal or glass plate. The patent process is complicated, and the cost of the composite core material is relatively high. Chinese Patent Publication No. CN 102102796A discloses a vacuum insulation panel and a preparation method thereof. The core material is composed of ultrafine glass wool, centrifugal wool and mineral wool. The core material of this patent requires heat treatment at a temperature of 120-160°C, and then holes need to be drilled on the surface of the produced vacuum insulation panel to install hole-opening components. The process is complicated, the production cycle is long, the operability is poor, and the production cost is high, so it is not suitable for popularization and application. .
发明内容Contents of the invention
本发明的主要目的在于克服以往真空绝热板耐高温和防火性能差，成本较高，工艺复杂，生产周期长的缺点，提供了一种工艺简单，成本低，耐高温和防火性能好的真空绝热板，兼顾建筑保温和建筑防火两个方面，可以有效地解决外墙外保温系统中的保温和防火问题。The main purpose of the present invention is to overcome the shortcomings of previous vacuum insulation boards such as poor high temperature resistance and fire resistance, high cost, complicated process and long production cycle, and provide a vacuum insulation board with simple process, low cost, good high temperature resistance and fire resistance performance. The board, taking into account the two aspects of building insulation and building fire prevention, can effectively solve the thermal insulation and fire prevention problems in the external wall insulation system.
本发明的建筑外墙外保温系统的防火真空绝热板，其特征在于：有气相二氧化硅、碳化硅和玻璃纤维混合构成的板，板真空封装在玻纤铝塑复合袋内，构成防火真空绝热板。板内还混合有掺合料。所述这种建筑外墙外保温系统的防火真空绝热板由气相二氧化硅、掺合料、碳化硅粉末、玻璃纤维混合板并真空封装在玻纤铝塑复合袋内构成。The fire-proof vacuum insulation panel of the external thermal insulation system of the building exterior wall of the present invention is characterized in that it is composed of a mixture of fumed silicon dioxide, silicon carbide and glass fiber, and the board is vacuum-packed in a glass-fiber-aluminum-plastic composite bag to form a fire-proof vacuum insulation board. Admixtures are also mixed in the panels. The fireproof vacuum insulation panel of the building exterior wall external insulation system is composed of fumed silicon dioxide, admixture, silicon carbide powder, glass fiber mixed board and vacuum-packed in a glass fiber aluminum plastic composite bag.
本发明克服第一代真空绝热板不能耐高温和防火性能差的缺点。更主要是本发明以低价气相二氧化硅为绝热与玻璃纤维混合作为芯材，不但大大降低了成本，更主要是与玻璃纤维容易混合压制成型均匀，保持定性后真空封装在玻纤铝塑复合封装袋内，就能实现强度非常高的建筑外墙外保温防火板。添加碳化硅粉末有效地吸收了红外热辐射，不需要额外的设置红外反射层，简化了生产工艺的同时降低了导热系数。改进了现有第二代真空绝热板板面开孔，安装开孔构件，需要热处理成型等工艺难题，工艺简单，周期短。掺入掺合料，变废为宝，节能环保的同时有效地降低了生产成本，极大的促进了真空绝热板从高端制造行业应用于民用建筑外墙外保温防火系统。The invention overcomes the disadvantages that the first generation of vacuum insulation panels cannot withstand high temperature and have poor fireproof performance. More importantly, the present invention uses low-priced fumed silica as a heat-insulator and mixes it with glass fiber as a core material, which not only greatly reduces the cost, but also is easy to mix with glass fiber, press and form uniformly, and vacuum-package it in glass fiber aluminum plastic In the composite packaging bag, a very high-strength building exterior insulation fireproof board can be realized. The addition of silicon carbide powder effectively absorbs infrared heat radiation, and does not require an additional infrared reflective layer, which simplifies the production process and reduces the thermal conductivity. The existing second-generation vacuum insulation panels have improved the process problems such as opening holes on the surface of the panels, installing opening components, and requiring heat treatment and molding. The process is simple and the cycle is short. Adding admixtures, turning waste into treasure, energy saving and environmental protection, while effectively reducing production costs, has greatly promoted the application of vacuum insulation panels from high-end manufacturing industries to external thermal insulation and fire protection systems for civil building exterior walls.
本发明的建筑外墙外保温系统的防火真空绝热板制备方法：The preparation method of the fire-proof vacuum insulation board of the external thermal insulation system of the building exterior wall of the present invention:
1)首先将气相二氧化硅、掺合料、碳化硅和玻璃纤维按一定比例放入破碎混合机中破碎混合均匀；1) First, put the fumed silica, admixture, silicon carbide and glass fiber in a crushing mixer in a certain proportion to crush and mix evenly;
2)将混合物料倒入方形硬模中，进行加压成型得到板，也称板芯或复合芯材，可以形成不同厚度和不同密度的复合芯材；2) Pour the mixed material into a square hard mold, and perform pressure molding to obtain a board, also called a board core or a composite core material, which can form composite core materials of different thicknesses and densities;
3)取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板。3) Take out the formed composite core material and put it into a glass fiber aluminum plastic composite packaging bag, vacuumize until the vacuum degree is less than 1Pa, and package to obtain a fireproof vacuum insulation board.
按照质量百分比计：气相二氧化硅∶掺合料∶碳化硅∶玻璃纤维＝(20％～80％)∶(0％～65％)∶(10％～15％)∶(1％～8％)。In terms of mass percentage: fumed silica: admixture: silicon carbide: glass fiber = (20% to 80%): (0% to 65%): (10% to 15%): (1% to 8% ).
本发明所述的气相二氧化硅的平均粒径在5～100nm之间，优选10～30nm。本发明所述的掺合料是硅灰、粉煤灰、超细矿粉、岩棉粉末、超细玻璃棉中的一种或一种以上的混合物，也就是它们一种或它们之间的任意混合物。本发明所述的碳化硅的平均粒径在1-10μm，优选2-5μm。本发明所述玻璃纤维为普通玻璃纤维，单丝直径3～20μm之间，长度3～15mm之间。本发明所述的成型压力为0.5～3MPa，复合芯材厚度为5～40mm，复合芯材密度为150～600kg/m3。本发明所述玻纤铝塑复合封装袋为高阻隔包装袋，其材质由玻纤布、三层不燃塑料膜和铝箔复合而成。The average particle size of the fumed silica in the present invention is between 5-100 nm, preferably 10-30 nm. The admixture described in the present invention is a mixture of one or more of silica fume, fly ash, ultrafine mineral powder, rock wool powder, and ultrafine glass wool, that is, one of them or a mixture of them any mixture. The average particle size of silicon carbide in the present invention is 1-10 μm, preferably 2-5 μm. The glass fiber in the present invention is an ordinary glass fiber, the diameter of a single filament is between 3-20 μm, and the length is between 3-15 mm. The forming pressure of the present invention is 0.5-3 MPa, the thickness of the composite core material is 5-40 mm, and the density of the composite core material is 150-600 kg/m3 . The glass-fiber-aluminum-plastic composite packaging bag of the present invention is a high-barrier packaging bag, and its material is composed of glass fiber cloth, three layers of non-combustible plastic film and aluminum foil.
本发明与同类产品及工艺相比，具有显著的有益效果：Compared with similar products and processes, the present invention has significant beneficial effects:
1、本发明的真空绝热板复合芯材都是有多孔无机物构成，耐高温和防火性能优异。1. The composite core material of the vacuum insulation panel of the present invention is composed of porous inorganic matter, and has excellent high temperature resistance and fireproof performance.
2、本发明的真空绝热板由于封装袋的透气率非常低，不需要额外的加入吸气剂，工艺简单、周期短。同时加入掺合料，变废为宝，有效地降低了生产成本，适合于大面积制备和规模化生产。2. Since the air permeability of the packaging bag is very low, the vacuum insulation panel of the present invention does not need additional getter, and the process is simple and the cycle is short. At the same time, admixtures are added to turn waste into treasure, effectively reducing production costs, and are suitable for large-area preparation and large-scale production.
3、本发明的真空绝热板不需要热处理，设备投资小。同时绝热芯材中加入碳化硅粉末可以有效的吸收红外，生产出来的真空绝热板导热系数较低。3. The vacuum insulation panel of the present invention does not require heat treatment, and the equipment investment is small. At the same time, adding silicon carbide powder to the heat-insulating core material can effectively absorb infrared rays, and the produced vacuum heat-insulating panels have a low thermal conductivity.
4、本发明的真空绝热板兼顾建筑保温和建筑防火两个方面，可以有效地解决外墙外保温系统中的保温和防火问题。4. The vacuum insulation panel of the present invention takes into account both aspects of building heat preservation and building fire prevention, and can effectively solve the problems of heat preservation and fire prevention in the external wall insulation system.
附图说明Description of drawings
附图1表示了本发明的一种建筑外墙外保温系统的防火真空绝热板横向剖视图。图中，1为玻纤铝塑复合袋；2为有气相二氧化硅、碳化硅和玻璃纤维混合构成的板，板内还可以混合有掺合料；3为玻纤铝塑复合袋真空封装口。Accompanying drawing 1 has shown a kind of fireproof vacuum insulation panel transverse sectional view of building external wall external thermal insulation system of the present invention. In the figure, 1 is a glass fiber aluminum-plastic composite bag; 2 is a board composed of fumed silica, silicon carbide and glass fiber, and admixtures can also be mixed in the board; 3 is a glass fiber aluminum-plastic composite bag for vacuum packaging mouth.
具体实施方式Detailed ways
为了更好地理解本发明专利，下面结合实施例进一步阐明本发明内容，但本发明的内容不仅仅局限下面的实施例。In order to better understand the patent of the present invention, the content of the present invention is further clarified below in conjunction with the examples, but the content of the present invention is not limited only to the following examples.
表一各实施例复合芯材质量百分比例Table 1 Composite core material mass percentage example of each embodiment
实施例1Example 1
首先将气相二氧化硅、硅灰、粉煤灰、超细矿粉、岩棉粉末、超细玻璃棉、碳化硅和玻璃纤维按照表一实施例1中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为2MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP1。First put fumed silica, silica fume, fly ash, ultrafine mineral powder, rock wool powder, ultrafine glass wool, silicon carbide and glass fiber into the crushing mixer according to the mass percentages in Example 1 of Table 1 , crushed and mixed evenly; then pour the mixed material into a square hard mold, put it into a press, pressurize and shape it with a loading pressure of 2MPa, and obtain a composite core material; take out the formed composite core material and put it into a glass fiber aluminum-plastic composite package In the bag, vacuumize until the vacuum degree is less than 1Pa, and package to obtain the fireproof vacuum insulation panel VIP1.
实施例2Example 2
首先将气相二氧化硅、硅灰、超细矿粉、碳化硅和玻璃纤维按照表一实施例2中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为3MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP2。First put fumed silica, silica fume, ultrafine mineral powder, silicon carbide and glass fiber into the crushing mixer according to the mass percentage in Example 2 of Table 1, crush and mix evenly; then pour the mixed material into a square hard Put it into the mold, put it into a press, pressurize and shape it with a loading pressure of 3MPa, and obtain a composite core material; take out the formed composite core material and put it in a glass fiber aluminum-plastic composite packaging bag, vacuumize until the vacuum degree is less than 1Pa, and package it. Fireproof vacuum insulation panels VIP2.
实施例3Example 3
首先将气相二氧化硅、粉煤灰、岩棉粉末、超细玻璃棉、碳化硅和玻璃纤维按照表一实施例3中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为2.5MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP3。First put fumed silica, fly ash, rock wool powder, ultrafine glass wool, silicon carbide and glass fiber into the crushing mixer according to the mass percentages in Example 3 of Table 1, and crush and mix evenly; then the mixture The material is poured into a square hard mold, put into a press, and the loading pressure is 2.5MPa for press molding to obtain a composite core material; take out the formed composite core material and put it in a glass fiber aluminum-plastic composite packaging bag, and then evacuate to a vacuum The temperature is less than 1Pa, and the fireproof vacuum insulation panel VIP3 is obtained by encapsulation.
实施例4Example 4
首先将气相二氧化硅、硅灰、粉煤灰、超细矿粉、碳化硅和玻璃纤维按照表一实施例4中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为1.0MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP4。First put fumed silica, silica fume, fly ash, ultrafine mineral powder, silicon carbide and glass fiber into the crushing mixer according to the mass percentage in Example 4 of Table 1, crush and mix evenly; then mix the material Pour it into a square hard mold, put it into a press, and pressurize it with a loading pressure of 1.0MPa to obtain a composite core material; take out the formed composite core material and put it in a glass fiber aluminum-plastic composite packaging bag, and evacuate to a vacuum degree Less than 1Pa, the package is obtained fireproof vacuum insulation panel VIP4.
实施例5Example 5
首先将气相二氧化硅、超细矿粉、岩棉粉末、超细玻璃棉、碳化硅和玻璃纤维按照表一实施例5中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为1.8MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP5。First put fumed silica, ultrafine mineral powder, rock wool powder, ultrafine glass wool, silicon carbide and glass fiber into the crushing mixer according to the mass percent example in Example 5 of Table 1, and crush and mix uniformly; then The mixed material is poured into a square hard mold, put into a press, and the loading pressure is 1.8MPa for press molding to obtain a composite core material; take out the formed composite core material and put it into a glass fiber aluminum-plastic composite packaging bag, and evacuate to The vacuum degree is less than 1Pa, and the fireproof vacuum insulation panel VIP5 is obtained by packaging.
实施例6Example 6
首先将气相二氧化硅、硅灰、碳化硅和玻璃纤维按照表一实施例6中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为2.2MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP6。First put fumed silica, silica fume, silicon carbide and glass fiber into the crushing mixer according to the mass percentage in Example 6 of Table 1, crush and mix evenly; then pour the mixed material into a square hard mold, put Pressing machine, with a loading pressure of 2.2MPa for press molding to obtain a composite core material; take out the formed composite core material and put it in a glass fiber aluminum-plastic composite packaging bag, vacuumize until the vacuum degree is less than 1Pa, and package to obtain a fireproof vacuum insulation board VIP6.
实施例7Example 7
首先将气相二氧化硅、碳化硅和玻璃纤维按照表一实施例7中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为0.5MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP7。First put fumed silicon dioxide, silicon carbide and glass fiber into the crushing mixer according to the mass percentage in Example 7 of Table 1, crush and mix evenly; then pour the mixed material into a square hard mold, put it into a press, The loading pressure is 0.5MPa for press molding to obtain a composite core material; take out the formed composite core material and put it into a glass fiber aluminum-plastic composite packaging bag, vacuumize until the vacuum degree is less than 1Pa, and package to obtain a fireproof vacuum insulation panel VIP7.
实施例8Example 8
首先将气相二氧化硅、粉煤灰、超细矿粉、岩棉粉末、碳化硅和玻璃纤维按照表一实施例8中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为1.9MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP8。First put fumed silica, fly ash, ultrafine mineral powder, rock wool powder, silicon carbide and glass fiber into the crushing mixer according to the mass percentages in Example 8 of Table 1, and crush and mix evenly; then the mixture The material is poured into a square hard mold, put into a press, and the loading pressure is 1.9MPa for press molding to obtain a composite core material; take out the formed composite core material and put it in a glass fiber aluminum-plastic composite packaging bag, and then evacuate to a vacuum The temperature is less than 1Pa, and the fireproof vacuum insulation panel VIP8 is obtained by encapsulation.
实施例9Example 9
首先将气相二氧化硅、硅灰、粉煤灰、超细矿粉、岩棉粉末、碳化硅和玻璃纤维按照表一实施例9中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为1.6MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP9。First put fumed silica, silica fume, fly ash, ultrafine mineral powder, rock wool powder, silicon carbide and glass fiber into the crushing mixer according to the mass percentages in Example 9 of Table 1, and crush and mix evenly; Then pour the mixed material into a square hard mold, put it into a press, pressurize and shape it with a loading pressure of 1.6MPa, and obtain a composite core material; take out the formed composite core material and put it into a glass fiber aluminum-plastic composite packaging bag, pump it out Vacuum until the degree of vacuum is less than 1Pa, and package to obtain a fireproof vacuum insulation panel VIP9.
实施例10Example 10
首先将气相二氧化硅、超细矿粉、岩棉粉末、超细玻璃棉、碳化硅和玻璃纤维按照表一实施例10中的质量百分比例放入破碎混合机中，破碎混合均匀；接着将混合物料倒入方形硬模中，放入压力机，加载压力为0.8MPa进行加压成型，得到复合芯材；取出成型好的复合芯材放入玻纤铝塑复合封装袋中，抽真空至真空度小于1Pa，封装得到防火真空绝热板VIP10。First put fumed silica, ultra-fine mineral powder, rock wool powder, ultra-fine glass wool, silicon carbide and glass fiber into the crushing mixer according to the mass percentages in Example 10 of Table 1, and crush and mix evenly; then The mixed material is poured into a square hard mold, put into a press, and the loading pressure is 0.8MPa for press molding to obtain a composite core material; take out the formed composite core material and put it in a glass fiber aluminum-plastic composite packaging bag, and vacuum to The vacuum degree is less than 1Pa, and the fireproof vacuum insulation panel VIP10 is obtained by packaging.
对以上10个实施例的真空绝热板(VIP1-10)进行密度和导热系数的测定，其结果如表二所示：The vacuum insulation panels (VIP1-10) of the above 10 embodiments were tested for density and thermal conductivity, and the results are shown in Table 2:
表二各实施例成品密度和导热系数Density and thermal conductivity of finished products of each embodiment of table two
由表二的实验结果可以看出，本发明的防火真空绝热板的导热系数非常低，实施例7中的导热系数仅为0.0056W/(m·K)，远远低于传统有机聚苯板的导热系数0.041W/(m·K)，兼具建筑保温和建筑防火双重功能，能有效解决建筑外墙外保温系统中的保温和防火问题，适宜大规模推广应用。It can be seen from the experimental results in Table 2 that the thermal conductivity of the fireproof vacuum insulation panel of the present invention is very low, and the thermal conductivity in Example 7 is only 0.0056W/(m K), which is far lower than that of traditional organic polystyrene panels The thermal conductivity coefficient is 0.041W/(m·K), which has dual functions of building thermal insulation and building fire prevention. It can effectively solve the problems of thermal insulation and fire prevention in the external thermal insulation system of building exterior walls, and is suitable for large-scale promotion and application.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102518225A (en)* | 2011-12-17 | 2012-06-27 | 大连建科北方化学有限公司 | Fireproof vacuum insulation panel for building external thermal insulation system and preparation method thereof |
| CN103438327A (en)* | 2013-08-21 | 2013-12-11 | 四川航天系统工程研究所 | High-performance nano thermal insulation materials with ultralow heat conductivity coefficients and preparation method thereof |
| CN103672303A (en)* | 2013-09-29 | 2014-03-26 | 安徽中科保瑞特节能科技有限公司 | Puncture-resistant vacuum insulation board and manufacturing method thereof |
| CN104291772A (en)* | 2014-08-12 | 2015-01-21 | 南京航空航天大学 | Fly ash doped glass fiber core material and preparation method thereof |
| CN107215035A (en)* | 2017-06-28 | 2017-09-29 | 高彦峰 | A kind of insulation flame-retardant board |
| CN108943370A (en)* | 2018-06-05 | 2018-12-07 | 长兴贝斯德邦建材科技有限公司 | A kind of production technology of vacuum heat-insulating plate |
| CN110820966A (en)* | 2019-11-18 | 2020-02-21 | 湖南斯多孚节能科技有限公司 | Heat-insulation bag applied to wall surface heat-insulation system and preparation thereof |
- 2011
- 2011-12-17CNCN2011205314420Upatent/CN202730996U/ennot_activeExpired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518225A (en)* | 2011-12-17 | 2012-06-27 | 大连建科北方化学有限公司 | Fireproof vacuum insulation panel for building external thermal insulation system and preparation method thereof |
| CN103438327A (en)* | 2013-08-21 | 2013-12-11 | 四川航天系统工程研究所 | High-performance nano thermal insulation materials with ultralow heat conductivity coefficients and preparation method thereof |
| CN103438327B (en)* | 2013-08-21 | 2016-06-08 | 四川航天系统工程研究所 | The preparation method with the high-performance nano heat-barrier material of ultra-low thermal conductivity |
| CN103672303A (en)* | 2013-09-29 | 2014-03-26 | 安徽中科保瑞特节能科技有限公司 | Puncture-resistant vacuum insulation board and manufacturing method thereof |
| CN103672303B (en)* | 2013-09-29 | 2017-01-25 | 安徽中科保瑞特节能科技有限公司 | Puncture-resistant vacuum insulation board and manufacturing method thereof |
| CN104291772A (en)* | 2014-08-12 | 2015-01-21 | 南京航空航天大学 | Fly ash doped glass fiber core material and preparation method thereof |
| CN107215035A (en)* | 2017-06-28 | 2017-09-29 | 高彦峰 | A kind of insulation flame-retardant board |
| CN108943370A (en)* | 2018-06-05 | 2018-12-07 | 长兴贝斯德邦建材科技有限公司 | A kind of production technology of vacuum heat-insulating plate |
| CN110820966A (en)* | 2019-11-18 | 2020-02-21 | 湖南斯多孚节能科技有限公司 | Heat-insulation bag applied to wall surface heat-insulation system and preparation thereof |
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