HTFA型軸流式消防排煙風機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、車間、烘箱等場合的消防排煙和通風換氣。-般采用雙速電機,平時低速運行作通風換氣用,如一旦發生火災,通過電控系統自動切換成高速運行，在半小時內迅速排除煙氣，使火場內人員安全撤離,保護國家和人民的生命財產安全。
輸送空氣和其它不自燃,對鋼材無腐蝕性氣體,氣體內不允許有粘性物質,所含的塵土及硬質顆粒物不大于150mg/m',作通風換氣時進氣溫度不得超過80°C ,作消防用時,煙氣溫度應在280C時能連續運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
