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Yingkou Bohai Magnesium Materials Co., Ltd.

Contact: Zhuang Yanshan (Mr.)

Location: Gaozhuang Village, Nanlou Economic Development Zone, Dashiqiao City

Phone call: +86 0417-5289488  +86 13904074678

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轻烧镁粉发生火灾的三个阶段分析 Analysis of Three Stages of Fire in Light Burnt Magnesium Powder

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轻烧镁粉发生火灾的三个阶段分析 Analysis of Three Stages of Fire in Light Burnt Magnesium Powder

发布日期:2015-09-26 00:00 来源:http://www.ykbhlm.com 点击:

http://www.ykbhlm.com  我国每年都有很多地方因轻烧镁粉发生火灾,如2008年10月9日,在建的哈尔滨“经纬360度”双子星大厦发生火灾。2009年央视大火,2010年11月15日,上海余姚路胶州路,一栋正在进行外墙保温层施工的28层居民楼起火,共造成58人遇难。2011年2月3日,被称为“沈阳第一高楼”的皇朝万鑫大厦发生火灾,大火持续了10个小时。

  通过以上案例,我们得知很多轻烧镁粉都是易燃物,建筑的外墙是预防火灾的最薄弱环节,外墙火灾发生主要集中在三个阶段,一是轻烧镁粉在施工现场的码放阶段,二是轻烧镁粉上墙阶段,三是保温系统施工完毕进进使用阶段,在第二、三阶段,轻烧镁粉表面或轻烧镁粉之间没有防火保护层,是火灾发生的关键时段。

  轻烧镁粉主要分为三类:一,热塑性轻烧镁粉,现在应用最多是EPS薄抹灰外墙外保温系统,其次XPS薄抹灰外墙外保温系统,再有网现浇无网现浇系统,复合保温板系统;二,热固性轻烧镁粉,聚氨酯现场发泡系统,酚醛板类;三,无机轻烧镁粉:保温棉岩棉外墙保温材料等。这些防火性能不尽相同。

  将建筑科学、材料科学、消防科学和环保科学四大学结合起来。偏离四大学科,均具有片面性和局限性。做好外墙保温的防火需要做好以下几点:

  1.严格执行消防法规消防制度

  2.选择好保温体系,选择质量过硬的保温材料

  3.对保温体系的安装的各个阶段做好防控措施

  4.对保温材料轻烧镁粉做成外墙保温系统后,做好保温系统后正确的使用和预防火灾的发生

  建筑外墙轻烧镁粉的广泛使用,使得建筑防火问题既要考虑建筑内部防火,还要考虑建筑外部防火。只有认真汲取国内相关火灾事故教训,认清引发外墙保温材料火灾的根本原因,采取切实有效的安全措施,城市的消防安全才有基础,人民的生命和财产安全才能得到保障。

 

 

http://www.ykbhlm.com 每年 Fires occur in many places in China every year due to lightly burned magnesium powder. For example, on October 9, 2008, a fire broke out in the Harbin "longitude and latitude 360 degree" Gemini building. A fire broke out in CCTV in 2009. On November 15, 2010, a 28-story residential building in Jiaozhou Road, Yuyao Road, Shanghai caught fire, killing 58 people. On February 3, 2011, a fire broke out in the dynasty Wanxin Building, known as the "Shenyang's tallest building". The fire continued for 10 hours.

Through the above cases, we know that many light-burned magnesium powders are flammable. The outer wall of the building is the weakest link to prevent fire. The fires on the external walls are mainly concentrated in three stages. First, the light-burned magnesium powder is at the construction site. The second stage is the stage of putting the lightly burned magnesium powder on the wall, and the third is the stage of entering and using the insulation system. In the second and third stages, there is no fire protection layer on the surface or between the lightly burned magnesium powder. Critical period of fire.

Light-burned magnesium powder is mainly divided into three categories: First, thermoplastic light-burned magnesium powder, currently applied at most is EPS thin plastered external wall external insulation system, followed by XPS thin plastered external wall external insulation system, and then cast-in-place without mesh Cast-in-situ system, composite insulation board system; two, thermosetting light-burned magnesium powder, polyurethane on-site foaming system, phenolic boards; three, inorganic light-burned magnesium powder: thermal insulation materials such as cotton wool outer wall insulation. These fire properties are not the same.

Combining four universities of building science, materials science, fire science and environmental science. Departure from the four universities, all have one-sidedness and limitations. The following points need to be done for the fire prevention of the external wall insulation:

1. Strict implementation of fire protection regulations

2. Select a good insulation system, choose a high-quality insulation material

3. Take precautionary measures at all stages of the installation of the insulation system

4. After the thermal insulation material is lightly burned with magnesium powder to make an external wall insulation system, use the insulation system properly and prevent the occurrence of fire.

的 The widespread use of light-burned magnesium powder on the exterior walls of buildings has made it necessary to consider both internal and external fire protection. Only by carefully drawing lessons from related domestic fire accidents, recognizing the root cause of external wall insulation material fires, and adopting effective and effective safety measures can the city's fire safety have a foundation and the people's life and property safety can be guaranteed.

相关标签:轻烧镁粉

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