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            營口波海菱鎂材料有限公司          

            聯系人:莊 延 山(先生)

            地 址:大石橋市南樓經濟開發區高莊村

            電 話:0417-5289488  13904074678

            郵 箱:dsqbohai@126.com

            郵 編:115100

             

            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

            Mailbox: dsqbohai@126.com 

            Zip code: 115100

            輕燒鎂粉發生火災的三個階段分析 Analysis of Three Stages of Fire in Light Burnt Magnesium Powder

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            輕燒鎂粉發生火災的三個階段分析 Analysis of Three Stages of Fire in Light Burnt Magnesium Powder

            發布日期:2015-09-26 00:00 來源:http://www.usygg.com 點擊:

            http://www.usygg.com  我國每年都有很多地方因輕燒鎂粉發生火災,如2008年10月9日,在建的哈爾濱“經緯360度”雙子星大廈發生火災。2009年央視大火,2010年11月15日,上海余姚路膠州路,一棟正在進行外墻保溫層施工的28層居民樓起火,共造成58人遇難。2011年2月3日,被稱為“沈陽第一高樓”的皇朝萬鑫大廈發生火災,大火持續了10個小時。

              通過以上案例,我們得知很多輕燒鎂粉都是易燃物,建筑的外墻是預防火災的Z薄弱環節,外墻火災發生主要集中在三個階段,一是輕燒鎂粉在施工現場的碼放階段,二是輕燒鎂粉上墻階段,三是保溫系統施工完畢進進使用階段,在第二、三階段,輕燒鎂粉表面或輕燒鎂粉之間沒有防火保護層,是火災發生的關鍵時段。

              輕燒鎂粉主要分為三類:一,熱塑性輕燒鎂粉,現在應用Z多是EPS薄抹灰外墻外保溫系統,其次XPS薄抹灰外墻外保溫系統,再有網現澆無網現澆系統,復合保溫板系統;二,熱固性輕燒鎂粉,聚氨酯現場發泡系統,酚醛板類;三,無機輕燒鎂粉:保溫棉巖棉外墻保溫材料等。這些防火性能不盡相同。

              將建筑科學、材料科學、消防科學和環??茖W四大學結合起來。偏離四大學科,均具有片面性和局限性。做好外墻保溫的防火需要做好以下幾點:

              1.嚴格執行消防法規消防制度

              2.選擇好保溫體系,選擇質量過硬的保溫材料

              3.對保溫體系的安裝的各個階段做好防控措施

              4.對保溫材料輕燒鎂粉做成外墻保溫系統后,做好保溫系統后正確的使用和預防火災的發生

              建筑外墻輕燒鎂粉的廣泛使用,使得建筑防火問題既要考慮建筑內部防火,還要考慮建筑外部防火。只有認真汲取國內相關火災事故教訓,認清引發外墻保溫材料火災的根本原因,采取切實有效的安全措施,城市的消防安全才有基礎,人民的生命和財產安全才能得到保障。

             

             

            http://www.usygg.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.

            相關標簽:輕燒鎂粉

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