Ho bohlokoa ho khetha pompo e nepahetseng ea centrifugal ho netefatsa ts'ebetso le ts'epahalo ea sistimi.

Lintlha tse latelang ke lintlha le mehato ea khetho ea pompo ea centrifugal:

1.Etsa qeto ea li-parameter tsa tlhokahalo

1.1 Phallo (Q)

• tlhaloso: Palo ea mokelikeli o fanoang ke pompo ea centrifugal ka nako ea yuniti.
• unit: Cubic metres ka hora (m3/h) kapa lilithara ka motsotsoana (L/s).
• Mokhoa oa ho khetha: E khethiloe ho latela litlhaloso tsa moralo le litlhoko tsa 'nete tsa sistimi. Ka kakaretso, sekhahla sa phallo se lokela ho kopana le tlhokahalo ea metsi sebakeng se sa rateheng ka ho fetisisa.
  • moaho wa bodulo: Hangata 10-50 m3/h.
  • mohaho oa khoebo: Hangata 30-150 m3/h.
  • lisebelisoa tsa indasteri: Hangata 50-300 m3/h.

1.2 Phahamisa (H)

• tlhaloso: Lipompo tsa Centrifugal li ka phahamisa bophahamo ba metsi.
• unitLimithara (m).
• Mokhoa oa ho khetha: Ho baloa ho it?etlehile ka bophahamo ba tsamaiso, bolelele ba phala le tahlehelo ea ho hanyetsa. Hlooho e lokela ho kenyelletsa hlooho e tsitsitseng (bophahamo ba mohaho) le hlooho e matla (tahlehelo ea ho hanyetsa lipeipi).
  • Phahamiso e kgutsitseng: Bophahamo ba tsamaiso.
  • lifti e tsamayang: Ho lahleheloa ke bolelele le ho hanyetsa ha pipeline, hangata 10% -20% ea hlooho e tsitsitseng.

1.3 Matla (P)

• tlhaloso: Matla a motlakase oa pompo ea centrifugal.
• unit: kilowatt (kW).
• Mokhoa oa ho khetha: Bala tlhoko ea matla ea pompo ho latela sekhahla sa phallo le hlooho, ebe u khetha matla a motlakase a loketseng.
  • Mokhoa oa ho bala:P = (Q × H) / (102 × η)
    • P: Sekhahla sa phallo (m3/h)
    • H: Phahamisa (m)
    • η: Pompo e sebetsang hantle (hangata 0.6-0.8)

1.4 Lit?obotsi tsa mecha ea litaba

• mocheso: Lebelo la mocheso oa mahareng.
• viscosity: The viscosity ea medium, hangata ka centipoise (cP).
• e senyang: The corrosiveness ea seaplane, khetha loketseng pompo thepa.

2.Khetha mofuta oa pompo

2.1 Pompo ea centrifugal ea mohato o le mong

• Likaroloana: Sebopeho se bonolo, ts'ebetso e bonolo le ts'ebetso e phahameng.
• Liketsahalo tse sebetsang: E loketse boholo ba phepelo ea metsi le tsamaiso ea metsi.

2.2 Pompo ea centrifugal ea mekhahlelo e mengata

• Likaroloana: Ka li-impellers tse ngata tse hokahaneng ka letoto, phepelo ea metsi a phahamiso e phahameng e fumaneha.
• Liketsahalo tse sebetsang: E loketse liketsahalo tse hlokang lifti e phahameng, joalo ka phepelo ea metsi bakeng sa meaho e phahameng.

2.3 Pompo e it?ebetsang ea centrifugal

• Likaroloana: Ka ts'ebetso ea ho iketsetsa pele, e ka monya metsi ka bo eona kamora ho qala.
• Liketsahalo tse sebetsang: E loketse bakeng sa phepelo ea metsi a fat?e le tsamaiso ea ho nt?a metsi.

2.4 Pompo e monyang centrifugal habeli

• Likaroloana: Moralo oa ho kenya metsi ka mahlakoreng a mabeli a ka fana ka sekhahla se seholo sa phallo le hlooho e phahameng ka lebelo le tlase.
• Liketsahalo tse sebetsang: E loketse phallo e kholo le maemo a phahameng a hlooho, joalo ka phepelo ea metsi ea masepala le phepelo ea metsi ea indasteri.

3.Khetha thepa ea pompo

3.1 Lisebelisoa tsa 'mele oa pompo

• t?epe ea t?epe: Lintho tse tloaelehileng, tse loketseng liketsahalo tse ngata.
• Ts'epe e sa beng le mabali: Khanyetso e matla ea kutu, e loketseng mecha ea litaba e senyang le liketsahalo tse nang le litlhoko tse phahameng tsa bohloeki.
• borone: Ho hanyetsa kutu e ntle, e loketseng metsi a leoatle le lisebelisoa tse ling tse senyang.

3.2 Lintho tse impeller

• t?epe ea t?epe: Lintho tse tloaelehileng, tse loketseng liketsahalo tse ngata.
• Ts'epe e sa beng le mabali: Khanyetso e matla ea kutu, e loketseng mecha ea litaba e senyang le liketsahalo tse nang le litlhoko tse phahameng tsa bohloeki.
• borone: Ho hanyetsa kutu e ntle, e loketseng metsi a leoatle le lisebelisoa tse ling tse senyang.

4.Khetha ho etsa le mohlala

• Khetho ea lebitso: Khetha mefuta e tsebahalang ho netefatsa boleng ba sehlahisoa le t?ebeletso ea kamora ho rekisa.
• Khetho ea mohlala: Khetha mofuta o nepahetseng o ipapisitseng le maemo a tlhokeho le mofuta oa pompo. Sheba libuka tsa lihlahisoa le lintlha tsa tekheniki tse fanoeng ke brand.

5.Lintlha tse ling

5.1 Bokhoni ba ts'ebetso

• tlhaloso: Matla a ho fetola matla a pompo.
• Khetha mokhoa: Khetha pompo e nang le bokhoni bo phahameng ho fokotsa lit?enyehelo tsa ho sebetsa.

5.2 Lerata le ho thothomela

• tlhaloso: Lerata le ho thothomela ho hlahisoang ha pompo e sebetsa.
• Khetha mokhoa: Khetha pompo e nang le lerata le tlase le ho thothomela ho netefatsa tikoloho e sebetsang hantle.

5.3 Tlhokomelo le tlhokomelo

• tlhaloso: Tlhokomelo ea pompo le litlhoko tsa t?ebeletso.
• Khetha mokhoa: Khetha pompo eo ho leng bonolo ho e hlokomela le ho e boloka ho fokotsa lit?enyehelo tsa tlhokomelo.

6.Khetho ea mohlala

Nka hore pompo ea centrifugal e hloka ho khethoa bakeng sa moaho o phahameng oa bolulo Litlhophiso tse ikhethileng tsa tlhokeho ke tse latelang:

• phalla:40 m3/h
• Phahamisalimithara tse 70
• matla: E baloa ho latela sekhahla sa phallo le hlooho

6.1 Khetha mofuta oa pompo

• Pompo ea centrifugal ea mekhahlelo e mengata: E loketse meaho e phahameng ea bolulo le e khonang ho fana ka phepelo ea metsi a phahameng.

6.2 Khetha thepa ea pompo

• Lisebelisoa tsa 'mele oa pompo: T?epe ea t?epe, e loketseng liketsahalo tse ngata.
• Lintho tse impeller: T?epe e sa hloekang, khanyetso e matla ea kutu.

6.3 Kgetha letshwao le mohlala

• Khetho ea lebitso: Khetha lihlahisoa tse tsebahalang, tse kang Grundfos, Wilo, Southern Pump, joalo-joalo.
• Khetho ea mohlala: Khetha mofuta o nepahetseng o ipapisitseng le maemo a tlhokeho le bukana ea sehlahisoa e fanoeng ke mofuta.

6.4 Lintlha tse ling

• Bokhoni ba ts'ebetso: Khetha pompo e nang le bokhoni bo phahameng ho fokotsa lit?enyehelo tsa ho sebetsa.
• Lerata le ho thothomela: Khetha pompo e nang le lerata le tlase le ho thothomela ho netefatsa tikoloho e sebetsang hantle.
• Tlhokomelo le tlhokomelo: Khetha pompo eo ho leng bonolo ho e hlokomela le ho e boloka ho fokotsa lit?enyehelo tsa tlhokomelo.

Ka tataiso le lintlha tsena tse qaqileng tsa khetho, u ka etsa bonnete ba hore pompo e nepahetseng ea centrifugal e khethoa ho finyella litlhoko tsa tsamaiso ea metsi le ho netefatsa hore e ka fana ka phepelo ea metsi e tsitsitseng le e t?epahalang mesebetsing ea letsatsi le letsatsi.