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浅谈排烟防火阀的作用及原理 ​

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浅谈排烟防火阀的作用及原理 ​

发布日期:2018-07-13 作者:德州金航 点击:

浅谈排烟防火阀的作用及原理

1 GAISHU

排烟防火阀是用来阻断来自火灾区的烟气及火焰经过,并在必定时刻内能满意耐火稳定性和耐火完好性要求的阀门。为了将火灾引起的丢失削减到小程度,就有必要采纳有用的防火、防排烟办法,以操控火势延伸,而防火阀在通风、空调及防排烟体系中的合理设置,则起到了重要的作用。

2 PAIYANFANGHUOFADEJIEGOUHEZUOYEYUANLI

浙江11选5走势图PAIYANFANGHUOFAZHUYAOYOUFATIHEZHIXINGZUZHIZUCHENG。FATIYOUQIAOTI、FALAN、YEPIANJIYEPIANLIANDONGZUZHIDENGZUCHENG。ZHIXINGZUZHIYOUWAIQIAO、YEPIANDIAOLIZUZHI、LIHEQI、WENDURONGDUANQIDENGZUCHENG。FANGHUOFADEZHIXINGZUZHISHIJINGGUOJINSHUYIRONGPIANHELIHEQIZUZHILAICAOKONGYEPIANDEZHUANDONG。

浙江11选5走势图3 PAIYANFANGHUOFADEZHONGLEIJIQIGONGNENG

3.1 PAIYANFANGHUOFA

浙江11选5走势图SHEBEIZAITONGFENGKONGDIAOTIXIFENGGUANNEI,BIMIANHUOSHIYANFENGGUANYANSHEN

浙江11选5走势图3.1.170℃ZHUDONGFENGBI,FENGJITINGJIFD

浙江11选5走势图3.1.2SHOUDONGFENGBI,FENGJITINGJI

3.1.3SHUCHUFENGBIDIANXINHAO

3.2FANGHUODIAOLIFA

SHEBEIZAITONGFENGKONGDIAOTIXIFENGGUANNEI,BIMIANHUOSHIYANFENGGUANYANSHEN

3.2.170℃ZHUDONGFENGBI,FENGJITINGJIFVD

3.2.2SHOUDONGFENGBI,FENGJITINGJI

3.2.3FAMENZAI0°~90°NEIWUDANGDIAOLIFENGLIANG

3.2.4SHUCHUFENGBIDIANXINHAO

3.3FANGYANFANGHUODIAOLIFA

SHEBEIZAIYOUFANGYANFANGHUOYAOQIUDETONGFENGKONGDIAOTIXIGUANDAOSHANG

3.3.1KAOYANGANQICAOKONGDONGZUO,YONGDIANXINHAOJINGGUODIANCITIEFENGBI(FANGYAN),TONGFENGKONGDIAOTIXIFENGJITINGJISFVD

浙江11选5走势图3.3.270℃ZHUDONGFENGBI(FANGHUO),FENGJITINGJI

3.3.3SHOUDONGFENGBI,FENGJITINGJI

3.3.4FAMENZAI0°~90°NEIWUDANGDIAOLIFENGLIANG

3.3.5SHUCHUFAMENFENGBIDIANXINHAO

浙江11选5走势图3.4 YUANJULIFANGYANFANGHUODIAOLIFA

SHEBEIZAIYOUFANGYANFANGHUOYAOQIUDETONGFENGKONGDIAOTIXIGUANDAOSHANG,ZAIJIAOFUZADISHI,QIEYOUXUJINGCHANGDIAOLIDEDANGDIBIJIAOSHIYONG

3.4.1.KAOYANGANQICAOKONGDONGZUO,YONGDIANXINHAOJINGGUODIANCITIEFENGBI(FANGYAN),TONGFENGKONGDIAO

TONGFENGJITINGJIBSFVD

3.4.2.70℃ZHUDONGFENGBI(FANGHUO),FENGJITINGJI

3.4.3. YUANJULISHOUDONGFENGBI,FENGJITINGJI

3.4.4.FAMENZAI0°~90°NEIWUDANGDIAOLIFENGLIANG

浙江11选5走势图3.4.5.SHUCHUFAMENFENGBIDIANXINHAO

3.5PAIYANFANGHUOFA

SHEBEIZAIYOUPAIYAN、FANGHUOYAOQIUDEPAIYANTIXIGUANDAOSHANGJIPAIYANFENGJIXIJINKOUCHUGUANDAOSHANG

3.5.1.DIANXINHAODC24VCHANGKAI,PAIYANFENGJIYIQIFADONGSFD

3.5.2.WENDURONGDUANQIZAI280℃SHIRONGDUAN,SHIFAMENFENGBI,PAIYANFENGJIYIQITINGJI

3.5.3.SHOUDONGCHANGKAI,PAIYANFENGJIYIQIFADONG

浙江11选5走势图3.5.4.FAMENCHANGKAIHOU,SHUCHUCHANGKAIDIANXINHAOZHU:ZIMUYIYI:S―DIANCITIECAOKONG F―WENDURONGDUANQICAOKONG V―FENGLIANGDIAOLI D―SHOUDONGCAOZUOJIFUWEI B―YUANJULICAOKONG

SUOWEIYUANJULICAOKONGSHIJIANGCAOZUOSHEBEISHEBEIZAIJUFATI6mYINEIDERENHEBUWEIBINGJINGGUOCAOKONGLANSHENGLAICAOKONGFATI,QITACAOZUOSHEBEIJUNSHEBEIZAIFATISHANG,SHIXINGJIUDICAOZUO。

浙江11选5走势图4 PAIYANFANGHUOFAZAIGUIHUAGONGCHENGZHONGDEHELIYUNYONG。

浙江11选5走势图4.1 TONGFENGKONGDIAOTIXIZHONGFANGHUOFADESHEZHIYUXUANYONG

4.1.1 《GAOCENGMINYONGJIANZHUGUIHUAFANGHUOBIAOZHUN》GB50045-95(2001NIANBAN)JI《JIANZHUGUIHUAFANGHUOBIAOZHUN》GBJ16-87(2001NIANBAN)DUIFANGHUOFADESHEZHIJUNYOUYAOQIU,ZONGJIEQILAI,YOUYIXIAJITIAO:

浙江11选5走势图(1) FENGGUANCHUANYUEFANGHUOFENQUCHU;

(2) CHUANYUETONGFENG、KONGDIAOJIFANGJIZHONGYAODEHUOHUOZAIWEIXIANXINGDADEFANGJIANGEQIANGHELOUBANCHU;

(3) BIZHIFENGGUANYUMEICENGSHUIPINGFENGGUANJIAOJIECHUDESHUIPINGGUANDUANSHANGYINGSHEFANGHUOFA,DANDUOCENGJIANZHUDEMEIGEFANGHUOFENQUQITONGFENG、KONGDIAOTIXIJUNDULISHEZHISHI,ZEGAIFANGHUOFENQUNEIDESHUIPINGFENGGUANYUBIZHIZONGGUANDEJIAOJIECHUKEBUSHEFANGHUOFA;

浙江11选5走势图(4) CHUANYUEBIANXINGFENGCHUDELIANGBIANFENGGUANSHANGGESHEYIGE。

SHANGSHUBUWEIDEFANGHUOFA,PINGCHANGCHANGKAI,DANGHUOZAIZHONGQIWENDUDADAO70℃SHI,ZEZHUDONGFENGBI。FANGHUOFAYINGKAOJINFANGHUOFENGECHUSHEZHI,QIEYINGDUZISHEZHI、DIAOJIA。DANGFANGHUOFAANZHUANGSHI,YINGZAISHEBEIBUWEISHEZHIJIANXIUKOU。

浙江11选5走势图4.1.2 CHUFANG、ZAOTANG、CESUODENGDEBIZHIPAIFENGGUANDAO,DANGMEIYOUCAINABIMIANHUILIUDEBANFASHI,ZEYOUBIYAOZAIZHIGUANSHANGSHEZHIFANGHUOFA。GONGGONGJIANZHUCHUFANG,YINWEIYOUYANWENDUJIAOGAO,WEIBIMIANFANGHUOFAFASHENGWUDONGZUO,ZAIPAIYOUYANGUANDAOYUBIZHIFENGDAOJIAOJIECHU,YINGSHEZHI150℃RONGDUANDEFANGHUOFA。

4.1.3 KONGDIAOHUIJIXINFENGTIXIGUIHUAZHONGFANGHUOFADESHEZHI

XINFENGTIXIFANGFATONGCHANGYOUFENCENGSHEZHISHUIPINGSHIXINFENGTIXIHEBIZHISHIXINFENGTIXI。

(1) FENCENGSHEZHISHUIPINGSHIXINFENGTIXI

新风体系按楼层别离设置。新风吸入方法有两种,一种是新风经过从外墙上开洞从室外汲取;另一种是设一总新风竖风道,各层新风机组从竖风道取风。前一种取新风方法,不需在新风机组进口处设防火阀,后者会集取新风,关于高层建筑,总新风竖风道要跨过防火分区,每层新风机组的吸进口风管上应设70℃熔断的防火阀。

(2) BIZHISHIXINFENGTIXI

笔直式新风体系是室外空气经过新风机组处理后,经过竖风道送至空调房间,一般新风机组设在房顶。关于建筑层高较低,水平敷设新风管有困难的情况下比较适用。关于高层建筑,竖风道要跨过防火分区,送风口要求设置70℃熔断的防火阀。

浙江11选5走势图4.1.4 TONGFENG、KONGDIAOTIXIHENGXIANGYINGANMEIGEFANGHUOFENQUSHEZHI,SHUXIANGANZHIBUYICHAOGUO5CENG;DANGGUANDAOSHEYOUBIMIANHUILIUSHEBEIHUOSHEYOUFANGHUOFA,QIEGECENGSHEYOUZHUDONGPENSHUIJIUHUOTIXISHI,QISHUXIANGXIANJIEDECENGSHUKEBUSHOUCIYUESHU。

浙江11选5走势图4.1.5 DANGSHEZHIFANGHUOFADEBUWEIYOUFENGLIANGDIAOLIYAOQIU,KESHEFANGHUODIAOLIFA。

4.2 FANGPAIYANTIXIZHONGFANGHUOFADESHEZHIYUXUANYONG

4.2.1 ZAIPAIYANFENGJIDEJINKOUZONGGUANSHANGYINGSHEZHIDANGYANQIWENDUCHAOGUO280℃SHINENGZHUDONGFENGBIDEPAIYANFANGHUOFA,QIEYINGYUPAIYANFENGJILIANSUO,DANGPAIYANFANGHUOFAFENGBISHI,FENGJIZHONGZHIGONGZUO。PAIYANFENGJIYINGQUEBAOZAI280℃SHINENGJIELIANZUOYE30min。XUQIUCHANMINGDESHI,PAIYANFANGHUOFASHEZHIZAIPAIYANFENGJIQIAN、HOU,YAOYIJUTIQINGKUANGLINGMINDUANDING。YIDIXIASHIPAIYANTIXIWEILI:

(1) DANGDIXIASHIJINWEIYICENG,QIEPAIYANJINGSHUFENGDAOPAIZHISHIWAISHI,PAIYANFANGHUOFAYISHEZHIZAIPAIYANFENGJIJINKOUZONGGUANSHANG;

(2) DANGDIXIASHICENGSHUZAIERCENGJIERCENGYISHANG,GECENGGONGYONGYIPAIYANSHUJINGSHI,ZEMEICENGPAIYANFANGHUOFAYINGSHEZHIZAIPAIYANFENGJICHUKOUZONGGUANSHANG,JIJINKAOPAIYANSHUJINGYICESHEZHI。

4.2.2 BULUNSHISHUXIANGANZHIDEZOUDAOPAIYANTIXIRENGSHISHUIPINGSHIANZHIDEFANGJIANPAIYANTIXI,JUNYINGZAIPAIYANZHIGUANYUSHUFENGDAOXIANJIECHUSHEZHI280℃SHINENGZHUDONGFENGBIDEPAIYANFANGHUOFA。

浙江11选5走势图4.2.3 JIXIEPAIYANTIXIHENGXIANGYIANFANGHUOFENQUSHEZHI,MEICENGSHUIPINGFENGGUANBUYICHUANYUEFANGHUOFENQU,DANYIXIEGONGCHENGDEMOUXIELOUCENGMIANJIJIAODA,ANFANGHUOFENQUSHEPAIYANTIXIYOUKUNNAN,YOUBIYAOCHUANYUESHI,YINGZAICHUANYUECHUSHE280℃SHINENGZHUDONGFENGBIDEPAIYANFANGHUOFA。

(1) 当设常闭的排烟口时,排烟支管上设常开的排烟防火阀;

浙江11选5走势图(2) DANGSHEYIBANCHANGKAIXINGFENGKOUSHI,PAIYANZHIGUANSHANGSHECHANGBIDEPAIYANFANGHUOFA;

(3) DANGSHECHANGBIXINGZHUANYONGFANGHUOPAIYANKOUSHI,ZEPAIYANZHIGUANSHANGBUSHEPAIYANFANGHUOFA

4.2.4 SHEZHIJIXIEPAIYANDEDIXIASHIYINGKAOLVJINFENGSHEBEI,DANGXUANYONGJIXIEJINFENGTIXISHI,YINGZAIFENGJIJINKOUGUANDAOSHANGSHEZHI70℃RONGDUANDEFANGHUOFA。

4.2.5 关于机械加压送风体系,可在加压送风机进口管道上设置70℃熔断的防火阀,以避免新风进口受火、烟要挟,将烟气输送至楼层内。

5 DINGLUN

TONGFENGKONGDIAOTIXIJIFANGPAIYANTIXIGUIHUAZHONG,YINGLIANGTICAIYIHELISHEZHIHEXUANYONGPAIYANFANGHUOFA。

排烟防火阀

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关键词:排烟防火阀,3c排烟防火阀,电动防火阀

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