Mokhoa oa ho Khetha Fen e Molemo ka ho Fetisisa ea Rooftop Centrifugal Exhaust

Ho bohlokoa ho khetha fene e nepahetseng ea marulelo a centrifugal bakeng sa ho kenya moea hantle le boiketlo bo ntlafalitsoeng ba kahare. Lifani tsena li bohlokoa bakeng sa ho boloka boleng ba moea ka ho tlosa litšila le ho laola phallo ea moea ka nepo. Lintlha tsa bohlokoa tse lokelang ho nahanoa li kenyelletsa mofuta oa fan, metrics ea ts'ebetso joalo ka CFM le khatello e tsitsitseng, le maemo a lerata. Lisebelisoa tsa boleng bo holimo le likarolo tse tsoetseng pele, joalo ka taolo e baballang matla, li ntlafatsa ts'ebetso ka kakaretso. Ho khetha tharollo e ka tšeptjoang ho tloha ho moetsi oa fan ea centrifugal e kaholimo ho 5 ho netefatsa ts'ebetso e tšoarellang le liphetho tse ntle haholo lits'ebetsong tse fapaneng.

Lintlha tsa bohlokoa

• Khetha mofuta le boholo bo nepahetseng ba fene ho tsamaisana le litlhoko tsa hau tse khethehileng tsa moea, ho netefatsa hore moea o phalla hantle le ho sebetsa hantle ha matla.
• Lekola metrics ea ts'ebetso joalo ka CFM le khatello e tsitsitseng ho khetha fan e sebetsanang hantle le litlhoko tsa moaho oa hau oa moea.
• Nahana ka maemo a lerata ha u khetha fene, kaha mefuta e khutsitseng e ntlafatsa boiketlo ba batho ba lulang libakeng tsa bolulo le tsa khoebo.
• Khetha li-fan tse entsoeng ka thepa e tšoarellang, e mamellang boemo ba leholimo ho netefatsa ts'ebetso e tšoarellang halelele maemong a thata a kantle.
• Kenyelletsa likarolo tse tsoetseng pele joalo ka taolo ea lebelo le fapaneng le lisensara tsa mocheso ho ntlafatsa ts'ebetso ea matla le ho ikamahanya le maemo.
• Netefatsa hore fene e kenngoe hantle le ho beha fene sebakeng se nepahetseng ho matlafatsa phallo ea moea le ho thibela litšitiso tse ka sitisang moea.
• Batla balateli ba nang le litifikeiti tsa indasteri ho netefatsa boleng, polokeho, le ho latela maemo a ts'ebetso.

Ho utloisisa hore na Fans ea Rooftop Centrifugal Exhaust e Sebetsa Joang

Fene e tsoang holim'a marulelo ea centrifugal ke eng?

Fen e tsoang ka holim'a marulelo a centrifugal exhaust fan ke sesebelisoa sa mochini se etselitsoeng ho leleka moea o kahare hantle ka ts'ebeliso ea matla a centrifugal. E na le impeller e potolohang ka lebelo le phahameng, e hulela moea ka har'a ntlo ea fene ebe e o lebisa kantle ka mochini o ntšang metsi. Fene ea mofuta ona e atisa ho kenngoa marulelong ho thusa ho kenya moea o nepahetseng libakeng tsa bolulo, tsa khoebo le tsa indasteri. Moqapi oa eona o tiisa ho tlosoa ka katleho ha litšila, mocheso le mongobo, ho kenya letsoho ho ntlafatseng boleng ba moea oa ka tlung le boiketlo.

Li-fan tsena li fumaneha ka litlhophiso tse fapaneng, ho kenyelletsa le mefuta e le 'ngoe kapa habeli, ho fihlela litlhoko tse khethehileng tsa moea. Impeller, hangata e entsoeng ka mahare a kobehileng ka morao, e ntlafatsa ts'ebetso ea aerodynamic mme e netefatsa ts'ebetso e bonolo. Ho feta moo, sistimi ea phetisetso, e kenyelletsang likarolo tse kang shaft e kholo, lebokose le behang, le pulley, e ts'ehetsa ts'ebetso e tšepahalang tlasa maemo a fapaneng a ts'ebetso.

Matla a centrifugal a thusa joang ho lelekoa ha moea hantle

Centrifugal Force e bapala karolo ea bohlokoa ts'ebetsong ea libapali tsena. Ha impeller e potoloha, e hlahisa matla a sutumelletsang moea ka ntle ho tloha bohareng ba fene ho ea lipheletsong tsa ntlo. Ts'ebetso ena e baka phapang ea khatello, e hulela moea ka har'a fene ebe e e ntša ka har'a phallo. Maqhubu a kobehileng ka morao a impeller a ntlafatsa ts'ebetso ena ka ho fokotsa tahlehelo ea matla le ho netefatsa hore moea o ntse o phalla.

Bokhoni ba fene ea ho sebetsana le khatello e phahameng ea static bo etsa hore e tšoanelehe bakeng sa lits'ebetso tse boima, joalo ka ho ntša moea o tletseng mafura ka kicheneng kapa mosi o khathatsang o tsoang lits'ebetsong tsa indasteri. Likarolo tsa boikhethelo, joalo ka li-inlet dampers le li-sensor tsa vibration, li ntlafatsa ts'ebetso ea fan le ho ikamahanya le maemo. Likarolo tsena li netefatsa taolo e nepahetseng holim'a phallo ea moea le ho fokotsa tšitiso ea ts'ebetso e bakoang ke ho thothomela kapa ho fetoha ha mocheso.

Lisebelisoa tse tloaelehileng le melemo ea li-fan exhaust tsa marulelo a marulelo a centrifugal

Li-Fantop centrifugal exhaust Fans li fana ka lits'ebetso tse fapaneng liindastering tse fapaneng. Libakeng tsa bolulo, li thusa ho boloka tikoloho e phetseng hantle ea ka tlung ka ho tlosa moea oa khale, monko le mongobo o feteletseng. Mehaho ea khoebo, e kang liofisi le libaka tsa mabenkele, e itšetlehile ka li-fan tsena ho laola ho phalla ha moea le ho netefatsa boiketlo ba baahi. Litsi tsa indasteri li li sebelisa ho leleka mosi o kotsi, lerōle le mocheso, ho khothaletsa polokeho ea mosebetsi le ho latela melao ea tikoloho.

Melemo ea li-fan tsena e fetela ka nģ'ane ho moea oa moea. Kaho ea tsona e matla, eo hangata e nang le thepa e hanyetsanang le boemo ba leholimo, e tiisa hore e tšoarella maemong a thata a kantle. Mefuta e sebetsang hantle ea matla e nang le taolo e fapaneng ea lebelo e fokotsa litšenyehelo tsa ts'ebetso ha e ntse e boloka ts'ebetso e nepahetseng. Bahlahisi ba ka sehloohong, ho kenyeletsoa le ba thathamisitsoeng har'a baetsi ba fene ba 5 ba kaholimo ho marulelo a centrifugal, ba fana ka meralo e tsoetseng pele e etelletsang pele ho ts'epahala le boiketlo ba tlhokomelo. Likarolo tsena li etsa hore lifensetere tse tsoang marulelong a centrifugal e be letsete la bohlokoa bakeng sa litlhoko tsa nako e telele tsa moea.

Lintlha tsa Bohlokoa Tseo U Lokelang ho li Nahana Ha U Khetha Fense ea Mohaho oa Bolulo ba Centrifugal

Mofuta oa fene le boholo

Ho bohlokoa ho khetha mofuta le boholo ba fene e nepahetseng bakeng sa ho fumana moea o nepahetseng. Li-fan exhaust tsa Rooftop centrifugal li tla ka litlhophiso tse fapaneng, ho kenyeletsoa mefuta e le 'ngoe kapa habeli. Li-fan tse hulang motho a le mong li loketse litlhoko tse tloaelehileng tsa moea, ha lifensetere tse monyang habeli li sebetsana le litlhoko tse phahameng tsa moea. Moralo oa impeller, hangata o nang le mahare a kobehileng ka morao, o netefatsa ts'ebetso e boreleli le ho ntlafatsa ts'ebetso ea moea.

Boholo ba fene bo tlameha ho ikamahanya le litlhoko tsa moea tsa moaho. Li-diameter tse kholoanyane tsa li-impeller, ho tloha ho 300 mm ho ea ho 2000 mm, li amohela moea o phahameng. Mohlala, li-fan tse nang le moea o mongata oa 2000-430000 m³/h li ka kenya moea litsing tsa indasteri kapa libaka tse kholo tsa khoebo. Sekhahla se nepahetseng se thibela tšenyo ea matla 'me se netefatsa phallo ea moea e tsitsitseng, e leng se etsang hore ho be bohlokoa ho lekola litlhoko tse ikhethileng tsa ts'ebeliso.

Metrics ea ts'ebetso: CFM le khatello e tsitsitseng

Metrics ea ts'ebetso, joalo ka Cubic Feet ka Motsotso (CFM) le khatello e sa fetoheng, e lekanya bokhoni ba fan. CFM e lekanya bophahamo ba moea oo fan e o tsamaeang ka motsotso, ha khatello e tsitsitseng e bontša khanyetso eo fan e e hlolang ho boloka moea o phalla. Litekanyetso tse phahameng tsa CFM li lumellana le lits'ebetso tse hlokang moea o matla, joalo ka litsamaiso tsa mosi oa indasteri. Li-Fan tse etselitsoeng ho sebetsana le likhatello tse tsitsitseng ho fihlela ho 2600 Pa li sebetsa hantle libakeng tse nang le khanyetso e phahameng, tse kang tse amanang le li-ductwork kapa filtration systems.

Ho bapisa metrics ea tšebetso ea fan le litlhoko tsa moea tsa moaho ho netefatsa hore moea o leleka. Mohlala, lifensetere tse phahamiselitsoeng marulelong a centrifugal li sebetsa hantle haholo lits'ebetsong tse phahameng tse sa fetoheng, joalo ka mosi oa kichine oa grease kapa fume hood ventilation. Ho lekola lipalo tsena ho thusa basebelisi ho khetha fan e leka-lekaneng ho sebetsa hantle ha moea le tšebeliso ea matla.

Maemo a lerata le tšusumetso ea ona boiketlong

Maemo a lerata a susumetsa haholo boiketlo ba batho ba lulang libakeng tsa bolulo le tsa khoebo. Li-Fan tse nang le meralo e tsoetseng pele, joalo ka li-impeller tse kobehileng ka morao le likarolo tse fokotsang ho sisinyeha, li sebetsa ka khutso ha li ntse li boloka tšebetso. Likarolo tse fokotsang lerata, ho kenyeletsoa liliba tse phophomang tsa mofuta o kopaneng le lihokelo tsa khokahano e bonolo, li fokotsa litšitiso tsa ts'ebetso.

Bakeng sa libaka tseo ho laola lerata ho leng bohlokoa, ho bohlokoa ho khetha li-fan tse nang le litekanyetso tse tlase tsa decibel. Ts'ebetso e khutsitseng e ntlafatsa boiketlo ba batho ba lulang liofising, libakeng tsa mabenkele le meahong ea bolulo. Ntle le moo, likarolo tsa boikhethelo joalo ka li-sensor tsa vibrate le li-detectors tse nang le mocheso li netefatsa ts'ebetso e bonolo, e fokotsang lerata le bakoang ke mathata a mochini. Ho etelletsa pele taolo ea lerata ho ntlafatsa boiphihlelo ba mosebelisi ka kakaretso le ho netefatsa ho latela melao ea lerata.

Ho tšoarella ha lintho tse bonahalang le ho hanyetsa boemo ba leholimo

Ho tšoarella ha thepa ho bapala karolo ea bohlokoa ho netefatsa ts'ebetso ea nako e telele ea li-fan exhaust tsa marulelo a marulelo a centrifugal. Hangata bahlahisi ba sebelisa thepa e matla, joalo ka tšepe e entsoeng ka masenke kapa aluminium, ho etsa likarolo tsa fan. Lisebelisoa tsena li hana ho bola le ho senyeha, esita le libakeng tse thata. Bakeng sa lits'ebetso libakeng tsa indasteri kapa tse lebopong la leoatle, li-fan tse nang le liaparo tse ling tse sireletsang li fana ka khanyetso e matlafalitsoeng khahlanong le mafome le ho pepeseha ha lik'hemik'hale.

Ho hanyetsa boemo ba leholimo ho bohlokoa ka ho tšoanang bakeng sa ho kenya marulelo a marulelo. Fans e tlameha ho mamella mocheso o feteletseng, pula ea litloebelele, le moea o matla ntle le ho senya ts'ebetso. Meralo e hanyetsanang le boemo ba leholimo hangata e kenyelletsa likarolo tse kang matlo a makoloi a tiisitsoeng le li-grill tse sireletsang. Likarolo tsena li thibela ho kenella ha metsi le ho bokella litšila, ho netefatsa ts'ebetso e sa sitisoeng nakong ea maemo a leholimo a mabe.

Ho ntlafatsa ho tšoarella, libapali tse ngata li kenyelletsa litsamaiso tse tsoetseng pele tsa phetisetso. Likarolo tse kang shaft e ka sehloohong, lebokose le behang, le li-rolling bearings li netefatsa ts'ebetso e bonolo tlas'a meroalo e fapaneng. Likarolo tsa boikhethelo, ho kenyeletsoa li-inlet dampers le li-sensor tsa vibration, li eketsa ts'epahalo e eketsehileng ka ho fokotsa khatello ea maikutlo le ho lemoha mathata a ka bang teng esale pele.

Ho khetha fene e nang le lisebelisoa tsa boleng bo holimo le likarolo tse hanyetsanang le boemo ba leholimo ho netefatsa ts'ebetso e tsitsitseng le ho fokotsa litlhoko tsa tlhokomelo. Peeletso ena ha e lelefatse nako ea bophelo ea lisebelisoa feela empa e boetse e eketsa katleho ea kakaretso ea tsamaiso ea moea.

Malebela a ho Kenya le Maemo

Sebaka se nepahetseng bakeng sa phallo e nepahetseng ea moea

Ho beoa ka nepo ha fene ea moea ea centrifugal ho etsa bonnete ba hore moea o phalla hantle le ho eketsa ts'ebetso ea moea. Ho beha fene sebakeng se phahameng ka ho fetisisa marulelong ho e lumella ho ntša moea o futhumetseng, mosi le litšila ka katleho. Ho beoa hona ho nka monyetla oa ho sisinyeha ha moea oa tlhaho, ho ntlafatsa katleho ea moea ka kakaretso. Ho ikamahanya le fene le mekhoa ea moea ea moaho ho thibela ho ema ha moea le ho matlafatsa phallo ea mali.

Ho fihlella moea o nepahetseng, li-installers li lokela ho nahana ka lehlakoreng la fan. Li-angles tse feto-fetohang, ho tloha ho 0 ° ho isa ho 225 °, li lumella ho itloaetsa ho latela litlhoko tse khethehileng tsa moea. Bakeng sa lits'ebetso tse hlokang tataiso e nepahetseng ea phallo ea moea, ho khetha fene e nang le mahare a kobehileng ka morao ho netefatsa ts'ebetso e bonolo le ts'ebetso e tsitsitseng. Ho phaella moo, ho boloka sebaka se hlakileng se potolohileng fan ho thibela litšitiso tse ka sitisang moea.

Ho netefatsa hore e lumellana le li-ductwork tse teng

Ho lumellana le li-ductwork tse teng ho bohlokoa bakeng sa ho kenya seamless le ts'ebetso e sebetsang hantle. Pele o kenya, ho lekola boholo ba ductwork, sebopeho, le thepa e netefatsa hore e tsamaisana hantle le likhokahano tsa fene le phallo. Li-Fan tse nang le manonyeletso a tenyetsehang le liliba tse mongobo tsa mofuta oa motsoako li nolofatsa ho kopanngoa le tlhophiso e fapaneng ea likotopo, ho fokotsa mathata a ho kenya.

Ho bapisa metrics ea ts'ebetso ea fan, joalo ka CFM le khatello e tsitsitseng, ka matla a ductwork ho thibela lithibelo tsa moea. Ka mohlala, li-fan tse etselitsoeng ho sebetsana le khatello e phahameng ea static, ho fihlela ho 2600 Pa, li sebetsa hantle lits'ebetsong tse nang le li-ductwork tse ngata kapa likarolo tsa filtration. Ho kenyelletsa likarolo tsa boikhethelo joalo ka li-dampers tse kenang ho fana ka taolo e eketsehileng holim'a phallo ea moea, ho netefatsa ho lumellana le litsamaiso tse rarahaneng tsa moea.

Lintlha tsa polokeho le tlhokomelo nakong ea ho kenya

Lintlha tsa polokeho le tlhokomelo li bapala karolo ea bohlokoa nakong ea ts'ebetso ea ho kenya. Ho holisa sefene ka mokhoa o sireletsehileng u sebelisa li-fasteners le masakaneng ho thibela motsamao o bakoang ke ho thothomela kapa moea o matla. Ho kenyeletsoa likaroloana tse fokotsang ho sisinyeha, joalo ka liliba tse phophomang tsa mofuta o kopaneng, li fokotsa khatello ea maikutlo le ho matlafatsa botsitso.

Tlhokomelo ea kamehla e khona ho laoleha haholoanyane ka likarolo tse kang ho beleha li-sensor tsa mocheso le li-detectors tsa vibrate. Likarolo tsena li beha leihlo boemo ba fan, ho lumella ho lemoha mathata a ka bang teng kapele. Ho kenya nozzle ea ho hloekisa bakeng sa impeller ho nolofatsa tlhokomelo ka ho nolofalletsa ho tlosoa ha lerōle le litšila habonolo. Ho etsa bonnete ba hore likarolo tsa phetisetso ea fan, ho kenyeletsoa shaft e kholo, lebokose la li-bearing, le pulley, ho thusa ho hlahlojoa le ho lokisoa khafetsa.

Ho khomarela liprothokholo tsa polokeho nakong ea ho kenya ho sireletsa lisebelisoa le basebetsi. Ho thea hantle ha motlakase le likhokahano tse sireletsehileng tsa motlakase ho fokotsa kotsi ea likotsi tsa motlakase. Ho latela litataiso tsena ho netefatsa ts'ebetso e bolokehileng, e sebetsang hantle le e tšoarellang, e fanang ka boleng ba nako e telele bakeng sa sistimi ea moea.

Likarolo tse Eketsehileng tseo u ka li Batlang

Taolo ea lebelo le feto-fetohang le matla a matla

Taolo ea lebelo e feto-fetohang e ntlafatsa ho ikamahanya le maemo ha li-fan exhaust tsa marulelo a marulelo. Karolo ena e lumella basebelisi ho fetola lebelo la fan ho latela litlhoko tse khethehileng tsa moea. Ka ho ntlafatsa phallo ea moea, e fokotsa tšebeliso ea matla nakong ea tlhokahalo e tlase. Fans e nang le ts'ebetso ena e boloka chelete e ngata ha nako e ntse e ea. Li-drive tsa lebelo tse feto-fetohang li boetse li fokotsa ts'ebetso ea lisebelisoa tsa mochini, li lelefatsa nako ea bophelo ea fan.

Ho sebetsa hantle ha matla e ntse e le taba ea bohlokoa bakeng sa litsamaiso tsa sejoale-joale tsa moea. Fans e nang le li-impeller tse kobehileng ka morao le meralo ea aerodynamic e netefatsa hore moea o phalla hantle ka tahlehelo e nyane ea matla. Sistimi e tsoetseng pele ea phetisetso, ho kenyeletsoa likarolo tse kang li-pulleys le li-rolling bearings, e ntlafatsa ts'ebetso ea eona ka ho fokotsa khanyetso ea mochini. Ho khetha fan e nang le likarolo tse baballang matla ho ts'ehetsa lipakane tsa ts'ebetso le ho fokotsa litšenyehelo tsa ts'ebetso.

Lisensara tsa mocheso le mongobo

Li-sensor tsa mocheso le mongobo li ntlafatsa ts'ebetso ea li-fan exhaust tsa centrifugal marulelong. Li-sensor tsena li lekola maemo a tikoloho le ho fetola tšebetso ea fan ka nepo. Ka mohlala, libakeng tse nang le mocheso o phahameng, fene e eketsa phallo ea moea ho leleka mocheso ka katleho. Ka mokhoa o ts'oanang, libakeng tse nang le mongobo o feteletseng, fan e sebetsa ho tlosa mongobo, e thibela ho hōla ha hlobo le ho boloka boleng ba moea bo ka hare.

Likarolo tseo u ka li khethang, joalo ka li-inlet dampers le li-nozzles tsa ho hloekisa li-impeller, li tlatselletsa tšebetso ea li-sensor tsena. Li-dampers li laola phallo ea moea, ho netefatsa taolo e nepahetseng ho latela mocheso le liphetoho tsa mongobo. Ho hloekisa li-nozzles ho nolofatsa tlhokomelo ka ho tlosa litšila tse bokelletsoeng, ho netefatsa ts'ebetso e tsitsitseng ea sensor. Ho kenyelletsa likarolo tsena tse tsoetseng pele ho ntlafatsa maemo a fan le ho ts'epahala lits'ebetsong tse fapaneng.

Setifikeiti le ho latela maemo a indasteri

Litifikeiti le ho ipapisa le maemo a indasteri li bonts'a boleng le ts'epahalo ea lifens tse tsoang marulelong a centrifugal. Bahlahisi ba hlomphehang ba khomarela litataiso tse behiloeng ke mekhatlo e kang AMCA (Air Movement and Control Association) le UL (Underwriters Laboratories). Litifikeiti tsena li netefatsa hore fan e kopana le litekanyetso tsa ts'ebetso, polokeho le ts'ebetso e ntle.

Fans e etselitsoeng tšebeliso ea indasteri kapa ea khoebo hangata e kenyelletsa likarolo tse ling tsa ho latela melao. Ka mohlala, meralo e hanyetsanang le boemo ba leholimo e tiisa hore e tšoarella maemong a thata, ha likaroloana tse thibelang ho sisinyeha li matlafatsa botsitso. Linonyello tse feto-fetohang le liliba tse nang le mefuta e mengata ea metsi li nolofatsa ho kopanngoa le litsamaiso tse teng, ho netefatsa hore li lumellana le mekhoa e fapaneng. Ho khetha fan e netefalitsoeng ho netefatsa ts'ebetso e tšepahalang le ho tsamaisana le litlhokahalo tsa taolo, ho fa basebelisi khotso ea kelello.

Baetsi ba Fan ba Fan ba 5 ba kaholimo ho marulelo a Centrifugal

Baetsi ba etellang pele bakeng sa likopo tsa bolulo

Baetsi ba 'maloa ba sebetsa ka ho khetheha ho li-fan exhaust tsa marulelo a centrifugal tse etselitsoeng tšebeliso ea bolulo. Likhamphani tsena li tsepamisitse maikutlo ho theheng mefuta e metle, e baballang matla e netefatsang ts'ebetso e khutsitseng le ts'ebetso e tšepahalang. Meetso ea bona e etelletsa pele boiketlo ba ho kenya le ho lumellana le lisebelisoa tse nyane tsa moea. Lifani tse ngata tsa bolulo li na le li-impeller tse kobehileng ka morao, tse ntlafatsang ts'ebetso ea moea ha li ntse li fokotsa maemo a lerata.

Baetsi ba sehlopha sena hangata ba fa balateli li-angles tse feto-fetohang, tse lumellang beng ba matlo hore ba iketsetse tataiso ea moea ho latela litlhoko tse itseng. Mefuta e meng e boetse e kenyelletsa likarolo tsa boikhethelo joalo ka li-sensor tsa vibrate le lisebelisoa tsa khokahano e bonolo ho ntlafatsa botsitso ba ts'ebetso. Ka ho khetha moetsi ea tšeptjoang, beng ba matlo ba ka finyella moea o sebetsang hantle le ts'ebetso e tšoarellang nako e telele.

Molemo ka ho fetisisa dikgetho bakeng sa tšebeliso ea khoebo le indasteri

Bakeng sa lits'ebetso tsa khoebo le tsa indasteri, bahlahisi ba rala li-fan exhaust tse matla tsa marulelo a centrifugal tse khonang ho sebetsana le khatello e phahameng ea static le meqolo e meholo ea moea. Li-fan tsena hangata li na le litlhophiso tsa ho hula habeli, tse amohelang litlhoko tse boima tsa moea libakeng tse kang lifeme, matlong a polokelo le kichine ea khoebo. Ho kenyeletsoa ha mekhoa e tsoetseng pele ea phetisetso, joalo ka tse nang le li-rolling bearing le pulleys, ho netefatsa ts'ebetso e bonolo tlas'a meroalo e boima.

Bahlahisi ba etelletseng pele karolong ena ba fana ka libapali tse hahiloeng ka thepa e tšoarellang joalo ka tšepe e entsoeng ka masenke kapa aluminium, tse fanang ka khanyetso maemong a thata a tikoloho. Mefuta e mengata e kenyelletsa likarolo tsa boikhethelo tse kang li-inlet dampers le li-nozzles tsa ho hloekisa li-impeller, tse ntlafatsang ho ikamahanya le maemo le ho nolofatsa tlhokomelo. Likhoebo li rua molemo ho balateli bana ba ts'ebetso e phahameng ka ho fumana ho lelekoa ha moea hantle le ho latela litekanyetso tsa indasteri.

Baetsi ba lichelete ba nang le ts'ebetso e tšepahalang

Bareki ba amehileng ka lichelete ba ka fumana li-fans tse ka tšeptjoang tsa marulelo a centrifugal ho tsoa ho baetsi ba leka-lekaneng ho khoneha le boleng. Likhamphani tsena li shebane le ho fana ka litharollo tse baballang chelete ntle le ho sekisetsa likarolo tsa bohlokoa. Fans ea sehlopha sena hangata e kenyelletsa li-impellers tse kobehileng ka morao bakeng sa phallo e nepahetseng ea moea le liliba tse mongobo tsa mofuta o kopaneng ho fokotsa ho thothomela.

Baetsi ba bangata ba nang le tekanyetso ea lichelete ba fana ka likhetho tse feto-fetohang, tse kang li-inlet le li-outlet, ho etsa bonnete ba ho lumellana le mekhoa e sa tšoaneng ea moea. Li boetse li fana ka libapali ka taolo e fapaneng ea lebelo, e nolofalletsang basebelisi ho ntlafatsa ts'ebeliso ea matla ho latela litlhoko tse ikhethileng. Ka ho khetha moetsi ea tšepahalang empa e le oa moruo, basebelisi ba ka natefeloa ke litharollo tsa moea tse tšepahalang tse khotsofatsang litlhoko tsa bona ntle le ho feta tekanyetso ea bona.

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Ho khetha fene e nepahetseng ea marulelo a centrifugal ho hloka tlhahlobo e hlokolosi ea lintlha tsa bohlokoa. Mofuta oa fan, metrics ea ts'ebetso joalo ka CFM le khatello e sa fetoheng, maemo a lerata, le likarolo tse ling li na le karolo ea bohlokoa ho netefatsa hore ho na le moea o nepahetseng. Bareki ba lokela ho lekola litlhoko tsa bona tse ikhethileng tsa moea le ho buisana le litsebi tsa indasteri bakeng sa likhothaletso tse lokiselitsoeng. Ho beha pele mefuta e sebetsang hantle ea matla ka thepa e tšoarellang ho ntlafatsa boleng ba nako e telele le ho fokotsa litšenyehelo tsa ts'ebetso. Ho tsetela ho fan ea boleng bo holimo ha ho ntlafatse boleng ba moea feela empa hape ho netefatsa ts'ebetso e tšepahalang ho lits'ebetso tse fapaneng, ho etsa hore e be tlatsetso ea bohlokoa ho sistimi efe kapa efe ea moea.

LBH

Sepheo sa fene e tsoang holim'a marulelo a centrifugal ke eng?

Fene e kenang ka holim'a marulelo a centrifugal e tlosa litšila tsa moea ka tlung, mocheso le mongobo. E netefatsa hore ho na le moea o nepahetseng libakeng tsa bolulo, tsa khoebo le tsa indasteri. Mofuta ona oa fan o ntlafatsa boleng ba moea le ho boloka tikoloho e ntle ea ka tlung.

Fen e tsoang holim'a marulelo ea centrifugal e fapana joang le mefuta e meng ea fan?

Li-Frooftop centrifugal exhaust Fans li sebelisa matla a centrifugal ho ntša moea hantle. Maqhubu a kobehileng ka morao a impeller a ntlafatsa ts'ebetso ea aerodynamic. Li-fan tsena li sebetsana le lits'ebetso tsa khatello e phahameng ea static ho feta libapali tsa axial, li li etsa hore li tšoanelehe bakeng sa maemo a boima.

Ke lintlha life tse khethollang boholo ba fene e hlokahalang?

Boholo ba fene bo itšetlehile ka litlhoko tsa moea tsa mohaho. Lintlha tsa bohlokoa li kenyelletsa mofuta oa bophahamo ba moea (e lekantsoeng ka m³/h) le maemo a khatello e tsitsitseng. Li-diameter tse kholoanyane, joalo ka 300 mm ho isa ho 2000 mm, li amohela litlhoko tse phahameng tsa phallo ea moea libakeng tsa indasteri kapa tsa khoebo.

Na libapali tsee li ka sebetsa maemong a leholimo a mabe?

E, lifensetere tse tsoang marulelong a centrifugal li entsoe ka thepa e hanyetsanang le boemo ba leholimo joalo ka tšepe e entsoeng ka masenke kapa aluminium. Likarolo tse kang li-motor housings tse tiisitsoeng le li-grill tse sireletsang li tiisa ho tšoarella ha maemo a thata, ho akarelletsa le pula e matla, meea e matla le mocheso o feteletseng.

Ke likarolo life tse ka ntlafatsang tšebetso ea fan?

Likarolo tseo u ka li khethang li kenyelletsa li-dampers tse kenang, li-nozzles tsa ho hloekisa li-impeller, le li-sensor tsa vibration. Li-dampers tse kenang li laola phallo ea moea, ha ho hloekisa li-nozzles ho nolofatsa tlhokomelo ka ho tlosa litšila. Li-sensor tsa vibration li lemoha mathata a mochini pele ho nako, li netefatsa ts'ebetso e bonolo le ho ts'epahala.

Na libapali tsee li baballa matla?

Lifani tse ngata tsa marulelo a centrifugal exhaust li kenyelletsa meralo e baballang matla. Taolo ea lebelo e feto-fetohang e lumella basebelisi ho fetola phallo ea moea ho latela tlhoko, ho fokotsa tšebeliso ea matla. Li-impeller tse kobehileng ka morao le litsamaiso tse tsoetseng pele tsa phetisetso li ntlafatsa ts'ebetso e ntle.

Maemo a lerata a ama khetho ea balateli joang?

Maemo a lerata a susumetsa boiketlo libakeng tsa bolulo le tsa khoebo. Li-Fan tse nang le li-impeller tse kobehileng ka morao le likarolo tse fokotsang ho sisinyeha li sebetsa ka khutso. Ho khetha mefuta e nang le litekanyetso tse tlaase tsa decibel ho netefatsa tšitiso e fokolang le ho ntlafatsa khotsofalo ea baahi.

Ke tlhokomelo efe e hlokahalang bakeng sa balateli baa?

Tlhokomelo ea kamehla e kenyelletsa ho hlahloba shaft e kholo, lebokose la li-bearing, le li-bearing bearings. Ho hloekisa impeller ka nozzle ho tlosa lerōle le litšila. Ho beha leihlo li-sensor tsa mocheso le ho thothomela ho thusa ho tseba mathata a ka bang teng esale pele, ho netefatsa ts'ebetso ea nako e telele.

Na libapali tsee li ka ikopanya le li-ductwork tse teng?

E, li-fan exhaust tsa marulelo a marulelo li ka kopanya le li-ductwork tse teng. Manonyeletso a feto-fetohang le liliba tse mongobo tsa mofuta oa motsoako li nolofatsa ho tsamaisana. Ho bapisa metrics ea ts'ebetso ea fan, joalo ka CFM le khatello e sa fetoheng, ka matla a ductwork e netefatsa ho lumellana.

Ke litifikeiti life tseo bareki ba lokelang ho li batla?

Bareki ba lokela ho etelletsa pele libapali tse netefalitsoeng ke mekhatlo e kang AMCA kapa UL. Lisetifikeiti tsena li netefatsa ho lumellana le maemo a ts'ebetso, polokeho, le ts'ebetso e ntle. Balateli ba netefalitsoeng ba fana ka ts'ebetso e tšepahalang mme ba fihlela litlhoko tsa taolo bakeng sa lits'ebetso tse fapaneng.