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如何區分正壓送(sòng)風機和(hé)消防排煙(yān)風機
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通風設備廠家(jiā)

時間 : 2021-12-17 08:00 瀏(liú)覽量(liàng) : 232

如何區分正壓送風機和消防(fáng)排煙風機

 

記得以前www.17c.com91嫩草小(xiǎo)編和大家(jiā)說(shuō)過(guò),風機大體被分為兩大類,一種是離心風機,而另(lìng)一種(zhǒng)是軸流風機。但按照功能再細製劃分的話,還會分出很多,比如消防排煙風機、正壓送風風機、廚(chú)房排油煙風機(jī)、除塵風機、高(gāo)壓風機、鍋爐引風機等等,而今天小(xiǎo)編要和大(dà)家說的是正壓送風風機和消(xiāo)防排煙風機應該如何區分,我們在選擇風機的時候,如何分清楚應該(gāi)選擇的是正(zhèng)壓送風風機還是消防排煙風機,下麵www.17c.com91嫩草小編就詳細的來和大家講解一下(xià)。

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1、定義區別(bié):

  正壓送(sòng)風機主要是一種可以(yǐ)將空(kōng)氣從外麵吹到裏麵(miàn)的風機。一般室內壓力高於(yú)室(shì)外壓力,普通風機無法將空氣從室外送(sòng)入室內,因此在建築現(xiàn)場,風機是室內通風的主要設備。此外,送風機還用於向避難建築供(gòng)氣。一(yī)旦發生(shēng)火災,會產生大量(liàng)的煙霧、一氧化(huà)碳等有毒氣(qì)體,遮擋視線(xiàn),通過風機將空氣吹入方艙消防樓梯,使室內煙霧無法到達樓梯,為人們創(chuàng)造避難條件。

  消防排煙風機是指適用於(yú)“高層建築、地下建築、隧道(dào)及公共場所”等,可用於(yú)通風和高溫排煙的風機。另外,根據消防要求,消防風機要在280°等高溫條件下連續工作30分鍾以上,即(jí)使連續工作20小時也不會損壞。平均溫度為100°C 時的時間。

  2、功能區別:

  在防煙排煙係統中(zhōng),送(sòng)風機常用於(yú)防煙係統,主要用於對建築物內部進行加(jiā)壓送風。通常,它可以對建築物內部的空氣進行加(jiā)壓,以保(bǎo)證建築物(wù)內的空氣流通。發生火災時(shí),室外(wài)的新鮮空氣也(yě)可以通(tōng)過(guò)送風管道吹入樓梯間,使煙霧和有毒氣體不擴散到消防管道,使人員及時逃生。

  在排煙和防煙係統中,消防排煙風機一般用於排煙係統。當發生火災時,消防風機可以在(zài)有(yǒu)效(xiào)時間內將建築物內的煙霧和有毒氣體排除,使人員能夠順利逃生。

  3、安裝位置不同

  正壓(yā)風機主(zhǔ)要用於防煙係統,安(ān)裝在通風(fēng)管(guǎn)道內。它通常與防火閥組合使用,形成(chéng)防煙係統。

  消防排煙風機主要用於(yú)排風(fēng)係統,安裝在排風管道(dào)內。排(pái)煙器和(hé)排煙(yān)通常相互組合使用,組成一個排煙係統。

  以上(shàng)就是正壓送風機消防排煙風機的區別。兩者在使用過程中區(qū)別並不明顯,主要是功能和安裝場所有些(xiē)區別,主要功能是排煙。所(suǒ)以在使用安裝過程中分(fèn)清哪根管道是送風係(xì)統,哪(nǎ)根管道是排煙係(xì)統,這樣就會很清晰的分(fèn)辨出哪裏應該安裝正壓送風風機,哪裏應該安裝排煙風機了。


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