Ukukhetha iphampu ye-centrifugal efanele kubalulekile ekuqinisekiseni ukusebenza kahle nokuthembeka kwesistimu.

Okulandelayo idatha enemininingwane nezinyathelo zokukhetha iphampu elimaphakathi:

1.Nquma imingcele yesidingo

1.1 Ukugeleza (Q)

• incazelo: Inani loketshezi olulethwa iphampu eyi-centrifugal ngesikhathi seyunithi.
• iyunithi: Ama-Cubic metres ngehora (m?/h) noma amalitha ngomzuzwana (L/s).
• Indlela yokunquma: Kunqunywa ngokusekelwe kuzicaciso zedizayini nezidingo zangempela zohlelo. Ngokuvamile, izinga lokugeleza kufanele lihlangabezane nesidingo samanzi endaweni engathandeki kakhulu.
  • isakhiwo sokuhlala: Ngokuvamile ngu-10-50 m?/h.
  • isakhiwo commercial: Ngokuvamile 30-150 m?/h.
  • izinsiza zezimboni: Ngokuvamile 50-300 m?/h.

1.2 Phakamisa (H)

• incazelo: Amaphampu e-Centrifugal angaphakamisa ukuphakama koketshezi.
• iyunithi: Imitha (m).
• Indlela yokunquma: Kubalwa ngokusekelwe ekuphakameni kwesistimu, ubude bepayipi nokulahlekelwa ukumelana. Ikhanda kufanele lifake ikhanda elimile (ukuphakama kwesakhiwo) kanye nekhanda eliguqukayo (ukulahlekelwa ukumelana namapayipi).
  • I-lift ethule: Ukuphakama kwesistimu.
  • ilifti ehambayo: Ubude nokulahlekelwa ukumelana kwepayipi, ngokuvamile u-10% -20% wekhanda elimile.

1.3 Amandla (P)

• incazelo: Amandla enjini yepompo ye-centrifugal.
• iyunithiI-kilowatt (kW).
• Indlela yokunquma: Bala imfuneko yamandla ephampu ngokusekelwe kuzinga lokugeleza nekhanda, bese ukhetha amandla emoto afanele.
  • Ifomula yokubala:P = (Q × H) / (102 × η)
    • Q: Izinga lokugeleza (m?/h)
    • H: Phakamisa (m)
    • η: Ukusebenza kwephampu (ngokuvamile ngu-0.6-0.8)

1.4 Izici zemidiya

• izinga lokushisa: Ibanga lokushisa le-medium.
• i-viscosity: I-viscosity ye-medium, ngokuvamile ku-centipoise (cP).
• okudlayo: Ukugqwala kwe-medium, khetha impahla yepompo efanele.

2.Khetha uhlobo lwephampu

2.1 Iphampu ye-centrifugal yesiteji esisodwa

• Izici: Isakhiwo esilula, ukusebenza kahle nokusebenza kahle okuphezulu.
• Izikhathi ezisebenzayo: Afanele amanzi amaningi kanye nezinhlelo zokudonsa amanzi.

2.2 Iphampu ye-centrifugal enezigaba eziningi

• Izici: Ngokusebenzisa ama-impellers amaningi axhunywe ochungechungeni, ukunikezwa kwamanzi aphezulu kufinyelelwa.
• Izikhathi ezisebenzayo: Ifanele izikhathi ezidinga ukuphakama okuphezulu, okufana nokunikezwa kwamanzi ezakhiweni eziphakeme kakhulu.

2.3 Iphampu ye-centrifugal eyi-self-priming

• Izici: Ngomsebenzi wokuzilungiselela, ingamunca ngokuzenzakalelayo uketshezi ngemva kokuqala.
• Izikhathi ezisebenzayo: Afanele ukuphakelwa kwamanzi abekwe phansi kanye nezinhlelo zokudonsa amanzi.

2.4 Iphampu ye-centrifugal edonsa kabili

• Izici: Idizayini ye-inlet yamanzi ezinhlangothi ezimbili inganikeza izinga lokugeleza elikhulu kanye nekhanda eliphakeme ngesivinini esiphansi.
• Izikhathi ezisebenzayo: Ifanele ukugeleza okukhulu nezimo eziphezulu, ezifana nokuhlinzekwa kwamanzi kamasipala kanye nokuhlinzekwa kwamanzi ezimbonini.

3.Khetha impahla yephampu

3.1 Impahla yomzimba wepompo

• Insimbi: Izinto ezivamile, ezifanele izikhathi eziningi.
• Insimbi engagqwali: Ukumelana nokugqwala okuqinile, kulungele abezindaba ezonakalisayo kanye nezikhathi ezinezidingo zokuhlanzeka okuphezulu.
• ithusi: Ukumelana nokugqwala okuhle, kulungele amanzi olwandle nezinye imidiya egqwalayo.

3.2 I-impeller material

• Insimbi: Izinto ezivamile, ezifanele izikhathi eziningi.
• Insimbi engagqwali: Ukumelana nokugqwala okuqinile, kulungele abezindaba ezonakalisayo kanye nezikhathi ezinezidingo zokuhlanzeka okuphezulu.
• ithusi: Ukumelana nokugqwala okuhle, kulungele amanzi olwandle nezinye imidiya egqwalayo.

4.Khetha ukwakheka kanye nemodeli

• Ukukhetha umkhiqizo: Khetha amabhrendi aziwayo ukuze uqinisekise ikhwalithi yomkhiqizo kanye nesevisi yangemuva kokuthengisa.
• Ukukhetha imodeli:Khetha imodeli efanelekile ngokusekelwe kumapharamitha adingekayo kanye nohlobo lwephampu. Bheka kumamanuwali omkhiqizo kanye nolwazi lobuchwepheshe olunikezwa uhlobo.

5.Okunye okucatshangelwayo

5.1 Ukusebenza kahle

• incazelo: Ukusebenza kahle kokuguqulwa kwamandla kwephampu.
• Khetha indlela: Khetha iphampu esebenza kahle kakhulu ukuze unciphise izindleko zokusebenza.

5.2 Umsindo nokudlidliza

• incazelo: Umsindo nokudlidliza okukhiqizwa lapho iphampu isebenza.
• Khetha indlela: Khetha iphampu enomsindo ophansi nokudlidliza ukuze uqinisekise indawo yokusebenza enethezekile.

5.3 Ukunakekela nokunakekela

• incazelo: Ukugcinwa kwepompo kanye nezidingo zesevisi.
• Khetha indlela: Khetha iphampu okulula ukuyigcina nokuyinakekela ukuze unciphise izindleko zokuyilungisa.

6.Ukukhetha isimo

Cabanga ukuthi iphampu ye-centrifugal idinga ukukhethelwa isakhiwo sokuhlala esisezingeni eliphezulu Imingcele yesidingo ethile yilena elandelayo:

• ukugeleza:40 m?/h
• Phakamisa: 70 m
• amandla: Ibalwa ngokusekelwe kuzinga lokugeleza nekhanda

6.1 Khetha uhlobo lwephampu

• Iphampu ye-Multistage centrifugal: Ifanele izakhiwo zokuhlala eziphakeme futhi ezikwazi ukuhlinzeka ngamanzi aphakeme kakhulu.

6.2 Khetha impahla yephampu

• Impahla yomzimba wepompo: I-cast iron, ilungele izikhathi eziningi.
• Impeller impahla: Insimbi engagqwali, ukumelana nokugqwala okuqinile.

6.3 Khetha uhlobo nemodeli

• Ukukhetha umkhiqizo: Khetha imikhiqizo eyaziwa kakhulu, njenge-Grundfos, Wilo, Southern Pump, njll.
• Ukukhetha imodeli: Khetha imodeli efanelekile ngokusekelwe kumapharamitha adingekayo kanye nebhukwana lomkhiqizo elinikezwe uhlobo.

6.4 Okunye okucatshangwayo

• Ukusebenza kahle: Khetha iphampu esebenza kahle kakhulu ukuze unciphise izindleko zokusebenza.
• Umsindo nokudlidliza: Khetha iphampu enomsindo ophansi nokudlidliza ukuze uqinisekise indawo yokusebenza enethezekile.
• Isondlo nokunakekelwa: Khetha iphampu okulula ukuyigcina nokuyinakekela ukuze unciphise izindleko zokuyilungisa.

Ngalezi ziqondiso ezinemininingwane yokukhetha kanye nedatha, ungaqinisekisa ukuthi iphampu ye-centrifugal efanelekile ikhethiwe ukuze ihlangabezane ngokuphumelelayo nezidingo zohlelo lokuhlinzeka ngamanzi futhi uqinisekise ukuthi ingahlinzeka ngamanzi azinzile futhi athembekile ekusebenzeni kwansuku zonke.