HTFA型軸流式消防排煙風(fēng)機(jī)Atypy fire-control fan for extraction smoke
用于有消防要求的建筑物,如地鐵、隧道、高層建筑、體育館、地下商場(chǎng)、車間、烘箱等場(chǎng)合的消防排煙和通風(fēng)換氣。-般采用雙速電機(jī),平時(shí)低速運(yùn)行作通風(fēng)換氣用,如一旦發(fā)生火災(zāi),通過(guò)電控系統(tǒng)自動(dòng)切換成高速運(yùn)行，在半小時(shí)內(nèi)迅速排除煙氣，使火場(chǎng)內(nèi)人員安全撤離,保護(hù)國(guó)家和人民的生命財(cái)產(chǎn)安全。
輸送空氣和其它不自燃,對(duì)鋼材無(wú)腐蝕性氣體,氣體內(nèi)不允許有粘性物質(zhì),所含的塵土及硬質(zhì)顆粒物不大于150mg/m',作通風(fēng)換氣時(shí)進(jìn)氣溫度不得超過(guò)80°C ,作消防用時(shí),煙氣溫度應(yīng)在280C時(shí)能連續(xù)運(yùn)30分鐘以上。
Itis sutable for ventiation and fre contol of tll builings, subwaytunne, underground stores, gymnasia, etc. This fan is set up whdouble- speed motor, it operates at a low speed normaly and sedfor ventiation. Once ourrence afire, the fan is automatcalytransterred into high-speed and discharge smoke by the electrccontrol system, which fciltates safe evacuation of personnel on thefire spot.The transporting medium is air or other non-spontaneous-combustion and non- explosive - combustion air with no ham 10human. The air transferred shall not contain any adhesive matenal,dust and grain and the concentration shall not exceed 150mgim3awhen the temperature shall not exceed 80C . When used for frecontrol, the fans can run more than 30 minutes continually under thecondition that the air and smoke temperature is at 280C