Ho netefatsapompo ea molloKhetho e nepahetse ebile e sebetsa, tse latelang ke tsenapompo ea molloLintlha tse qaqileng le mehato ea ho khetha:

1.Etsa qeto ea li-parameter tsa tlhokahalo

1.1 Phallo (Q)

• tlhaloso:pompo ea molloPalo ea metsi a fanoang 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 oa ts'ireletso ea mollo oa mohaho le litlhoko tsa sebele. Ka tloaelo, tekanyo ea phallo e lokela ho finyella tlhokahalo ea metsi a mollo sebakeng se sa rateheng ka ho fetisisa.
  • moaho wa bodulo: Hangata 10-30 m3/h.
  • mohaho oa khoebo: Hangata 30-100 m3/h.
  • lisebelisoa tsa indasteri: Hangata 50-200 m3/h.

1.2 Phahamisa (H)

• tlhaloso:pompo ea molloE khona ho phahamisa bophahamo ba metsi.
• unitLimithara (m).
• Mokhoa oa ho khetha: Ho baloa ho latela bophahamo ba mohaho, 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 mohaho.
  • lifti e tsamayang: Ho lahleheloa ke bolelele le ho hanyetsa ha pipeline, hangata 10% -20% ea hlooho e tsitsitseng.

1.3 Khatello (P)

• tlhaloso:pompo ea mollokhatello ea metsi a tsoang.
• unit: Pascal (Pa) kapa bar (bar).
• Mokhoa oa ho khetha: E khethiloe ho latela litlhoko tsa khatello ea moralo oa tsamaiso ea t?ireletso ea mollo. Ka tloaelo, khatello e lokela ho finyella tlhokahalo ea khatello ea metsi a mollo sebakeng se sa rateheng ka ho fetisisa.
  • moaho wa bodulo: Hangata 0.6-1.0 MPa.
  • mohaho oa khoebo: Hangata 0.8-1.2 MPa.
  • lisebelisoa tsa indasteri: Hangata 1.0-1.5 MPa.

1.4 Matla (P)

• tlhaloso:pompo ea molloMatla a motlakase.
• 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)

2.Khetha mofuta oa pompo

2.1pompo ea centrifugal

• Likaroloana: Sebopeho se bonolo, ts'ebetso e bonolo le ts'ebetso e phahameng.
• Liketsahalo tse sebetsang: E loketse mekhoa e mengata ea ts'ireletso ea mollo, haholo-holo mehaho e phahameng le lisebelisoa tsa indasteri.

2.2pompo e ka tlasa metsi

• Likaroloana: Pompo le motlakase li kopantsoe ka moralo 'me li ka qoelisoa ka ho feletseng ka metsing.
• Liketsahalo tse sebetsang: E loketse matamo a ka tlas'a lefat?e, liliba tse tebileng le liketsahalo tse ling tse hlokang mosebetsi oa ho qoela.

2.3Pompo ea ho itlhahisa

• Likaroloana: Ka ts'ebetso ea ho iketsetsa pele, e ka monya metsi ka bo eona kamora ho qala.
• Liketsahalo tse sebetsang: E loketse lits'ebetso tsa ts'ireletso ea mollo tse lutseng fat?e, haholo moo ho hlokahalang ho qala kapele.

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 pompo 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

A re re u hloka ho khetha mohaho o phahamengpompo ea mollo, li-parameter tse hlokahalang ke tse latelang:

• phalla: 50 m3/h
• Phahamisalimithara tse 60
• khatellomatla: 0.6 MPa
• matla: E baloa ho latela sekhahla sa phallo le hlooho

6.1 Khetha mofuta oa pompo

• pompo ea centrifugal: E loketse bakeng sa mehaho e phahameng, e nang le mohaho o bonolo, ts'ebetso e tsitsitseng le ts'ebetso e 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 lebitso le tsebahalang.
• Khetho ea mohlala: Khetha mofuta o nepahetseng o ipapisitseng le maemo a tlhokeho le bukana ea lihlahisoa 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.

Netefatsa hore o khetha e nepahetseng ka litataiso tsena tse qaqileng tsa khetho le datapompo ea mollo, ka tsela eo ho finyella litlhoko tsa tsamaiso ea ts'ireletso ea mollo ka katleho le ho netefatsa ts'ebetso ea eona e tloaelehileng maemong a t?ohanyetso.