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長沙市F系列方形排氣道風帽免費咨詢

長沙防(fang)(fang)(fang)風(feng)(feng)(feng)(feng)(feng)雨(yu)(yu)帽僅由三(san)個配(pei)件組成，具有結(jie)(jie)構(gou)簡單，價格低(di)廉的(de)特點，它能很(hen)好(hao)的(de)避風(feng)(feng)(feng)(feng)(feng)防(fang)(fang)(fang)雨(yu)(yu)，而且(qie)在(zai)(zai)(zai)室(shi)外刮大風(feng)(feng)(feng)(feng)(feng)時，不(bu)管風(feng)(feng)(feng)(feng)(feng)向如何變化(hua)，在(zai)(zai)(zai)煙管內(nei)(nei)不(bu)但(dan)不(bu)會產生倒(dao)灌，而且(qie)還(huan)會在(zai)(zai)(zai)管道(dao)內(nei)(nei)形(xing)成抽(chou)力(li)(li)（負壓），徹底解決(jue)了民(min)用(yong)(yong)(yong)煙筒煙氣(qi)(qi)倒(dao)灌的(de)問題(ti)。防(fang)(fang)(fang)風(feng)(feng)(feng)(feng)(feng)雨(yu)(yu)帽，已是(shi)社會上工業場合使用(yong)(yong)(yong)的(de)成熟產品，它主要(yao)是(shi)安裝在(zai)(zai)(zai)各種(zhong)(zhong)通(tong)氣(qi)(qi)管道(dao)終(zhong)端的(de)出(chu)氣(qi)(qi)口(kou)上，作用(yong)(yong)(yong)是(shi)只允許管道(dao)里(li)的(de)氣(qi)(qi)體(ti)(ti)通(tong)過(guo)它順利排(pai)出(chu)，而不(bu)允許室(shi)外氣(qi)(qi)流倒(dao)灌回(hui)(hui)管道(dao)內(nei)(nei)，簡單的(de)說就(jiu)是(shi)相(xiang)當(dang)于止回(hui)(hui)閥，只出(chu)不(bu)進。縱(zong)觀(guan)國內(nei)(nei)外各種(zhong)(zhong)防(fang)(fang)(fang)風(feng)(feng)(feng)(feng)(feng)雨(yu)(yu)帽，在(zai)(zai)(zai)使用(yong)(yong)(yong)過(guo)程中往(wang)往(wang)有所限(xian)制，這是(shi)因為自然界的(de)風(feng)(feng)(feng)(feng)(feng)向變化(hua)無(wu)常，真想完全避開是(shi)很(hen)不(bu)容易的(de)。防(fang)(fang)(fang)風(feng)(feng)(feng)(feng)(feng)雨(yu)(yu)帽巧妙地在(zai)(zai)(zai)結(jie)(jie)構(gou)上兩(liang)次采用(yong)(yong)(yong)了流體(ti)(ti)力(li)(li)學中的(de)“伯(bo)努利”原(yuan)理(li)，有效避免了不(bu)同(tong)風(feng)(feng)(feng)(feng)(feng)向的(de)風(feng)(feng)(feng)(feng)(feng)倒(dao)灌回(hui)(hui)煙筒內(nei)(nei)二，產品原(yuan)理(li)本產品由防(fang)(fang)(fang)風(feng)(feng)(feng)(feng)(feng)圈(quan)、擋(dang)風(feng)(feng)(feng)(feng)(feng)蓋、煙管三(san)件組成，結(jie)(jie)構(gou)非(fei)常簡單。外觀(guan)如圖1所示，工作原(yuan)理(li)如下：長沙C系列(lie)方(fang)形(xing)百葉風(feng)(feng)(feng)(feng)(feng)帽 1、采用(yong)(yong)(yong)“遮擋(dang)”方(fang)式將煙管口(kou)隱蔽在(zai)(zai)(zai)不(bu)同(tong)形(xing)狀的(de)擋(dang)風(feng)(feng)(feng)(feng)(feng)板內(nei)(nei)，達到了防(fang)(fang)(fang)風(feng)(feng)(feng)(feng)(feng)效果。 2、利用(yong)(yong)(yong)“伯(bo)努利”風(feng)(feng)(feng)(feng)(feng)速大、壓力(li)(li)小的(de)原(yuan)理(li)使經過(guo)防(fang)(fang)(fang)風(feng)(feng)(feng)(feng)(feng)雨(yu)(yu)帽的(de)風(feng)(feng)(feng)(feng)(feng)速產生抽(chou)力(li)(li)，更(geng)利排(pai)煙。