Sistimi ea HVAC e itšetleha ka lisebelisoa tsa moea bakeng sa ho futhumatsa sebaka le moea, kaha li-chiller le li-boilers ka botsona li ke ke tsa fana ka phello ea ho futhumatsa kapa ea ho pholisa moo ho hlokahalang.Ho phaella moo, mekhoa ea ventilation e netefatsa phepelo ea kamehla ea moea o hloekileng bakeng sa libaka tsa ka hare.Ho ipapisitsoe le litlhoko tsa khatello le phallo ea moea ts'ebelisong e 'ngoe le e' ngoe, ho sebelisoa fan kapa blower.
Pele o bua ka mefuta e ka sehloohong ea li-fan le li-blower, ke habohlokoa ho utloisisa phapang pakeng tsa likhopolo tseo ka bobeli.The American Society of Mechanical Engineers (ASME) e hlalosa li-fan le li-blower ho latela karo-karolelano pakeng tsa khatello ea ho ntša metsi le khatello ea ho hula.
- Morati:Karolelano ea khatello ho fihla ho 1.11
- SefahlaKarolelano ea khatello ho tloha ho 1.11 ho isa ho 1.2
- Compressor:Karolelano ea khatello e feta 1.2
Li-Fan le li-blower lia hlokahala bakeng sa moea ho hlola khanyetso ea phallo e bakoang ke likarolo tse kang li-ducts le dampers.Ho na le mefuta e mengata e fumanehang, e 'ngoe le e' ngoe e loketse lits'ebetso tse itseng.Ho khetha mofuta o nepahetseng ho thusa ho ntlafatsa ts'ebetso ea HVAC, athe khetho e fosahetseng e lebisa tšenyo ea matla.
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Mefuta ea Fans
Fans e ka aroloa ka centrifugal kapa axial ho latela mokhoa oa ho theha moea.Ka lehlakoreng le leng, ho na le li-subtypes tse 'maloa sehlopheng ka seng,' me ho khetha fan e lumellanang le ts'ebeliso ho bohlokoa bakeng sa ts'ebetso e phahameng ea HVAC.
Tafole e latelang e akaretsa mefuta ea mantlha ea li-fan tsa centrifugal: radial, e kobehileng ka pele, e kobehileng ka morao le mofuta oa foil ea moea.
| MOFUTA MOFUTA | TLHALOSO |
| Radial | -Khatello e phahameng le phallo e mahareng - E mamella lerōle, mongobo le mocheso, e etsa hore e tšoanelehe bakeng sa tšebeliso ea indasteri -Tšebeliso ea matla e eketseha haholo hammoho le phallo ea moea |
| E kobehile pele | -Khatello e mahareng le phallo e phahameng -E loketse lits'ebetso tsa HVAC tse nang le khatello e tlase haholo, joalo ka li-unit tse pakiloeng marulelong - E mamella lerōle, empa ha e tšoanelehe bakeng sa maemo a thata a indasteri -Tšebeliso ea matla e eketseha haholo hammoho le phallo ea moea |
| E kobehileng morao | -Khatello e phahameng le phallo e phahameng - E sebetsa hantle -Ha e bone keketseho e makatsang ea khatello ka phallo ea moea -HVAC le lits'ebetso tsa indasteri, le tsona li qobelletse litsamaiso tsa moralo |
| Sefofane sa moea | -Khatello e phahameng le phallo e phahameng - E sebetsa hantle -E etselitsoe likopo tse nang le moea o hloekileng |
Ka lehlakoreng le leng, libapali tsa axial flow li arotsoe ka li-propellers, tube axial le vane axial.
| MOFUTA MOFUTA | TLHALOSO |
| Propeller | -Khatello e tlaase le phallo e phahameng, katleho e tlaase - E loketse mocheso o itekanetseng -Ho phalla ha moea ho fokotsehile haholo haeba khatello ea static e eketseha. - Lits'ebetso tse tloaelehileng li kenyelletsa li-fan exhaust, li-condenser tsa kantle le litora tsa ho pholisa |
| Axial ea tube | -Khatello e mahareng le phallo e phahameng - Ntlo ea cylindrical le tumello e nyane e nang le li-fan blades ho ntlafatsa phallo ea moea - E sebelisoa ho HVAC, lisebelisoa tsa ho ntša metsi le lisebelisoa tsa ho omisa |
| Vane axial | -Khatello e phahameng le phallo e bohareng, bokhoni bo phahameng -Ka 'mele o ts'oana le libapali tsa axial tsa tube, tse kopanyang li-vanes tsa tataiso nakong ea ho noa ho ntlafatsa ts'ebetso -Tsebeliso e tloaelehileng e kenyelletsa HVAC le litsamaiso tsa exhaust, haholo-holo moo khatello e phahameng e hlokahalang |
Ka khetho e pharaletseng joalo ea balateli, ho na le tharollo ea hoo e batlang e le kopo efe kapa efe.Leha ho le joalo, ho fapana ho boetse ho bolela hore ho na le monyetla o moholo oa ho khetha fan e fosahetseng ntle le tataiso e nepahetseng.Khothaletso e ntle ka ho fetisisa ke ho qoba liqeto tsa "molao oa letsoho", 'me ho e-na le hoo u fumane moralo oa setsebi o finyellang litlhoko tsa morero oa hau.
Mefuta ea Li-Blowers
Joalokaha ho boletsoe pejana, li-blower li sebetsa ka tekanyo ea khatello ea 1.11 ho 1.2, e leng se etsang hore e be lipakeng pakeng tsa fan le compressor.Li ka hlahisa likhatello tse phahameng haholo ho feta li-fan, hape li sebetsa hantle lits'ebetsong tsa vacuum tsa indasteri tse hlokang khatello e mpe.Li-blower li arotsoe ka mekhahlelo e 'meli e meholo: centrifugal le positive displacement.
Li-blower tsa centrifugalho ba le ho tšoana ho itseng 'meleng le lipompo tsa centrifugal.Hangata li kenyelletsa sistimi ea lisebelisoa ho fihlela lebelo le fetang 10,000 rpm.Li-blower tsa Centrifugal li ka ba le mohaho o le mong kapa oa ho haha mehato e mengata, moo moqapi oa mekhahlelo e le 'ngoe o fanang ka katleho e phahameng, empa moralo oa mekhahlelo e mengata o fana ka sebaka se pharaletseng sa ho phalla ha moea ka khatello e tsitsitseng.
Joalo ka libapali, li-centrifugal blowers li na le lits'ebetso ho HVAC.Leha ho le joalo, ka lebaka la khatello ea bona e phahameng ea khatello, li boetse li sebelisoa ho hloekisa lisebelisoa le lisebelisoa tsa likoloi.Moeli oa bona o ka sehloohong ke hore ho phalla ha moea ho fokotseha ka potlako ha tšitiso e phahamisa khatello, e etsa hore e se ke ea tšoaneleha bakeng sa likopo tse nang le monyetla o moholo oa ho koala.
Li-blower tse ntleho ba le rotor geometry e etselitsoeng ho hapa lipokotho tsa moea, ho khanna ho phalla ka tsela e reriloeng ka khatello e phahameng.Le hoja li bilika ka lebelo le tlaase ho feta li- centrifugal blowers, li ka hlahisa khatello e lekaneng ea ho fehla lintho tse koalang tsamaiso.Phapang e 'ngoe ea bohlokoa ka likhetho tsa centrifugal ke hore li-blower-displacement blowers hangata li khannoa ke mabanta ho fapana le likere.
Qetello
Li-Fleners le li-blower hangata li hlalosoa ho ipapisitsoe le khatello le litlhoko tsa phallo ea moea ts'ebelisong ka 'ngoe, hammoho le maemo a ikhethileng a kang lerōle le mocheso.Hang ha mofuta o nepahetseng oa fan kapa blower o boletsoe, ts'ebetso e ka ntlafatsoa ka litsamaiso tsa taolo.Ka mohlala,li-drive frequency drives (VFD)e ka fokotsa haholo tšebeliso ea motlakase ea li-fan tse sebetsang nako le nako.
Nako ea poso: Jan-13-2021