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  • 无尘车间的火灾事项的设计
    来源:http://www.moptuan.com 浏览: 发布日期:2018-02-27
    一、火灾危险源多,火灾发生概率高
    First, there are many fire hazards and high probability of fire.
    在医药、化工、电子等行业,以生产工序或生产流程的流水作业要求来划分功能的情况比较突出,这使某些危险工序或危险设备直接影响到建筑和人员的安全。特别是一些使用原料或生产过程中产生的中间产品带有易燃易爆危险性的,无法从建筑构造或建筑布局中加以防范,使得厂房的火灾危险性大大增加。
    In pharmaceutical, chemical, electronic and other industries, the division of functions is more prominent in the production process or production process flow scheduling requirements, which makes some dangerous processes or dangerous equipment directly affect the safety of buildings and personnel. In particular, some intermediate products produced in raw materials or production processes are flammable and explosive, and can not be prevented from building structures or building layout, so that the fire risk of plants is greatly increased.
    二、洁净区域大,防火分隔困难
    Two. The clean area is large and the fire separation is difficult.
    随着现代工业特别是电子工业类的飞速发展以及洁净技术的不断更新,洁净区的面积也不断增大。如某芯片生产企业根据工艺需求洁净区面积达近十万平方米,穿孔楼板使工厂洁净区与原料设备区融为一体,洁净区又与送回风井道一体化设计,高度达二十余米。对于此类超大型的洁净厂房,水平垂直防火分区分隔的设置困难重重。当发生火灾时,火灾产生的烟尘易蔓延至整个厂区,造成全面性的损害。
    With the rapid development of modern industry, especially the electronic industry and the continuous updating of clean technology, the area of the clean area is increasing. If a chip production enterprises according to the process requirements of clean area of nearly one hundred thousand square meters, factory floor perforation integrate clean area and material equipment area, clean area and return air well integrated design, height of 20 meters. For this kind of super large clean factory, there are many difficulties in the separation of the horizontal vertical fire zone. When a fire occurs, the smoke and dust produced by the fire can easily spread to the entire factory area, causing comprehensive damage.
    三、室内迂回曲折,人员疏散困难
    Three, indoor evacuation difficulties with many twists and turns.
    随着洁净区面积的不断增大,对空气悬浮粒子浓度控制要求的不断提高,洁净厂房内工艺隔离措施、除尘防尘设施也不断增加。厂内走廊、通道的布置均要先满足工艺的要求,使得室内平面布置迂回曲折,人员疏散困难。大部分医药、电子、食品类洁净厂房属于劳动密集型厂房,特别是包装车间、装配车间等,大多是车间小、人员多,发生火灾也易造成群死群伤。
    With the increasing area of clean area and the requirement of concentration control of airborne particles, technological isolation measures and dust removal facilities in clean rooms are also increasing. In the corridor, the channel arrangement should meet the technical requirements, the interior layout with many twists and turns, difficult evacuation. Most of the food, pharmaceutical, electronic clean plant belongs to the labor-intensive factories, especially the packaging workshop, assembly workshop, the workshop is mostly small, many personnel, fire is easy qunsiqunshang.

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    四、建筑结构密闭,排烟扑救困难
    Four. The construction structure is closed and the smoke exhausting is difficult to save.
    为保证洁净室的净化度要求和节约能耗,生产区往往不设外窗或设数量较少的固定窗,生产空间保持结构密闭,一旦发生火灾,热量难以散发,烟气难以排出,使得人员疏散和灭火救援火场排烟越发困难。部分洁净厂房的保温材料在火灾时释放出的有毒气体被引入封闭的洁净厂房,也给人员疏散和火灾扑救带来极大的困难。此外,洁净室的分隔墙及吊顶较多地采用金属板,对电磁波具有较强的屏蔽作用,对无线通讯的影响尤为巨大。一旦发生火灾,消防人员救援时的无线通讯系统很难在洁净区内使用,使消防救援行动更为困难。
    In order to ensure clean room cleanliness requirements and save energy consumption, fixed window production areas often do not set or set up a small number of windows, the production space to maintain the structure of closed, once the fire, heat trapping, flue gas to discharge, the fire and rescue personnel evacuation and fire ventilation is more and more difficult. Toxic gases released from thermal insulation materials of some clean factories during fire are introduced into closed clean factories, which also bring great difficulties to evacuation and fire fighting. In addition, the separation wall and the ceiling of the clean room are more used with metal plates, which have a strong shielding effect on electromagnetic waves and have a great influence on the wireless communication. In the event of a fire, the wireless communication system in the rescue of fire fighters is difficult to be used in the clean area, making the fire rescue operation more difficult.
    五、火灾蔓延迅速,早期发现困难
    Five. The fire spread quickly and it was difficult to find out early
    洁净室一般均有较高的温湿度要求,送风、排风和除尘风管较为复杂,风管通常布置在洁净室上方的技术夹层内,发生火灾时火势易顺着风道迅速蔓延。洁净厂房内风管密布,大量使用难燃保温材料。一旦发生火灾,不仅会造成火灾蔓延,更会大量产生有毒有害的燃烧产物,也容易引起人员的伤亡。洁净室内工艺物料和公用工程管道、电缆布置错综复杂,且布置隐蔽,一般安装在技术夹层或暗敷于隔墙内,发生故障不易及时发现,火灾隐情不易发现。
    The cleanroom generally has high temperature and humidity requirements. The air supply, exhaust and dust removal pipes are more complex. The air pipes are usually arranged in the technical interlayer above the clean room. When the fire happens, the fire easily spreads along the air channel. Clean air duct with extensive use of flame retardant insulation materials. Once a fire occurs, it will not only cause the spread of the fire, but also produce a large number of toxic and harmful combustion products, and can also cause casualties. The clean room process and utility piping, cable layout and arrangement of hidden, perplexing, usually installed in the technology of interlayer or concealed in the partition wall, failure is not easy to find, the fire status is not easy to find.
    六、生产工艺特殊,次生灾害控制困难
    Six. The production process is special and the secondary disaster is difficult to control.
    部分洁净厂房由于生产生物活性物质,一旦发生火灾,不仅要控制、扑灭火灾,还要控制次生灾害的产生。一旦控制次生灾害措施不当,造成环境污染的后果将远远大于火灾造成的后果。
    Due to the production of bioactive substances in some clean plants, once a fire occurs, it is not only to control and extinguish the fire, but also to control the occurrence of secondary disasters. Once the secondary disaster measures are not used properly, the consequences of environmental pollution will be far greater than the consequences of the fire.
    本文由手术室装修整理发布,您是不是对这些内容有所了解了呢?更多的内容请点击:http://www.moptuan.com我们会有更多精彩内容等你查看。
    This article is released from the operation room decoration. Do you have any knowledge of these contents? More contents please click: http://www.moptuan.com, we will have more wonderful contents to wait for you to check.

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