Ngokungafani neminye imikhiqizo, umlandeli uvamise ukuba nempilo yesevisi yeminyaka embalwa noma ngaphezulu kweminyaka eyishumi, futhi intengo yakhe iyahlukahluka. Ngakho-ke, lapho sikhetha ifeni, kufanele sikhethe eyodwa efanelekile futhi enesilinganiso esiphezulu sokusebenza kwezindleko. Namuhla, ake sifunde ngamaphoyinti abalulekile wokukhetha umlandeli. Okokuqala, ngokusekelwe kumingcele emibili eyisisekelo ye-fan edingekayo - ivolumu yomoya nokucindezela komoya, nquma imodeli nenombolo ye-fan, kanye namandla adingekayo ngetafula lokusebenza (zonke izincwadi zomkhiqizo wabalandeli zinedatha efanele). Kuleli qophelo, kungase kube nomkhiqizo ongaphezu kowodwa ohlangabezana nezidingo; bese sihlanganisa inhloso yefeni, izidingo zenqubo, nezimo zokusebenza (indawo yokusetshenziswa) ukuze sikhethe uhlobo, imodeli, ukwakheka, nezinto zefeni ukuze kuhlangatshezwane nezimo zokusebenza ezidingekayo. Silwela ukwenza ukugeleza okulinganiselwe kanye nokucindezela okulinganiselwe kwefeni kusondele ngangokunokwenzeka ekugelezeni nasekucindezelweni okudingwa yinqubo, ukuze indawo yokusebenza yefeni ibe seduze nendawo esebenza kahle yezici zomlandeli. Izimiso eziqondile zimi kanje:
Ngaphambi kokukhetha ifeni, umuntu kufanele azijwayeze ukukhiqizwa kanye nekhwalithi yemishini yokungenisa umoya e-China, okuhlanganisa izinhlobo, imininingwane yabalandeli abakhiqiziwe, kanye nokusetshenziswa okuqondile kwemikhiqizo ehlukahlukene. Kufanele futhi baqonde isimo semakethe samanje sabalandeli baseChina.
② Ngokuya ngendawo ebonakalayo namakhemikhali yegesi edluliswa umshini wokuphefumula, khetha umshini wokungenisa umoya ofanele injongo ethile. Isibonelo, uma ukuthutha amagesi aqhumayo noma avutha umlilo, kufanele kukhethwe isisetshenziswa sokuphefumula esivikela uthuli, futhi izinga elidingekayo lokuvikela ukuqhuma kwefeni kufanele linqunywe; uma kungokokukhipha uthuli noma ukuthuthwa kwempushana yamalahle, kufanele kukhethwe umshini wokukhipha uthuli noma umshini wokungenisa umoya wamalahle; uma kungokokudlulisa amagesi agqwalayo, kufanele kukhethwe umshini wokungenisa umoya ongagqwali, futhi kunqunywe into yokumelana nokugqwala (njengepulasitiki eqiniswe nge-fiberglass noma i-PP); uma isebenza endaweni enezinga eliphezulu lokushisa noma idlulisa amagesi asezingeni eliphezulu, kufanele kukhethwe i-ventilator enezinga eliphezulu lokushisa, futhi izinga lokushisa lemvelo kanye nezinga lokushisa legesi elidluliswayo kufanele kuqondwe.
③ Uma kunezinhlobo ezingaphezu kwezimbili zama-ventilators atholakalayo eshadini lokusebenza, leyo esebenza kahle kakhulu, usayizi omncane kanye nobubanzi bokulungiswa okubanzi kufanele inikezwe kuqala. Kunjalo, ungakwazi futhi ukuqhathanisa mayelana nezindleko-ukusebenza kahle futhi wenze isinqumo ngokukala okuhle nokubi.
④ Uma ububanzi be-impeller yefeni ekhethiwe bukhulu kakhulu kunalelo lwesigxivizo sefeni sokuqala, ukuze usebenzise i-motor shaft yasekuqaleni, ama-bearings, nezisekelo, kubalulekile ukubala isikhathi sokuqalisa imoto, amandla ezingxenye zefeni zangempela, kanye nesivinini esibalulekile sokuzungeza se-shaft.
⑤ Uma ukhetha ifeni eyi-centrifugal, uma amandla enjini efakwe ngawo engaphansi noma elingana no-75KW, ivalvu eyenzelwe izinjongo zokuqalisa kuphela ngeke ifakwe. Lapho ukhetha i-centrifugal boiler exhaust fan yokukhipha igesi eshisayo ye-flue noma umoya, i-valve yokuqala kufanele inikezwe ukuvimbela ukugcwala ngokweqile ngesikhathi sokusebenza okubandayo.
⑥ Kuzinhlelo zokungenisa umoya ezinezidingo zomsindo, ukukhetha kufanele kuqale ngama-ventilators asebenza kahle kakhulu nesivinini esiphansi sokuzungezisa se-impeller, futhi asebenze endaweni yawo yokusebenza kahle kakhulu. Izinyathelo ezihambisanayo zokunciphisa umsindo kanye nezinyathelo zokunciphisa ukudlidliza kufanele nazo zithathwe ngokusekelwe endleleni umsindo nokudlidliza okukhiqizwa uhlelo lokungena komoya okusakazeka ngayo. Izinyathelo zokunciphisa ukudlidliza zama-ventilators namamotho ngokuvamile zingafinyelelwa ngokusebenzisa izisekelo zokunciphisa ukudlidliza, futhi imishini ehlukene yokunciphisa ukudlidliza ingakhethwa kuye ngendlela yokufaka ama-ventilators.
⑦ Uma ukhetha i-ventilator, kuhle ukugwema ukusebenzisa ama-ventilator ekusebenzeni okuhambisanayo noma kochungechunge. Uma ukusebenza okunjalo kungenakugwenywa, kunconywa ukukhetha ama-ventilators emodeli efanayo kanye nokusebenza okufanayo ukuze kusebenze ngokubambisana. Uma usebenzisa uxhumano lochungechunge, kufanele kube nokuxhumana okuthile kwamapayipi phakathi kwesigaba sokuqala nesesibili sama-ventilators.
