Khetha e nepahetsengThepa ea bobeli ea phepelo ea metsiHo bohlokoa ho netefatsa botsitso le ts'epahalo ea sistimi ea phepelo ea metsi.

Se latelang keThepa ea bobeli ea phepelo ea metsiLintlha tse qaqileng le mehato ea ho khetha:

1.Etsa qeto ea li-parameter tsa tlhokahalo

1.1 Phallo (Q)

• tlhaloso:Thepa ea bobeli ea phepelo ea metsiPalo 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 litlhoko tsa metsi tsa moaho le litlhaloso tsa moralo. 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:Thepa ea bobeli ea phepelo ea metsiE 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:Thepa ea bobeli ea phepelo ea metsikhatello 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 metsi. Ka tloaelo, khatello e lokela ho finyella tlhokahalo ea khatello ea metsi sebakeng se sa rateheng ka ho fetisisa.
  • moaho wa bodulo: Hangata 0.3-0.6 MPa.
  • mohaho oa khoebo: Hangata 0.4-0.8 MPa.
  • lisebelisoa tsa indasteri: Hangata 0.5-1.0 MPa.

1.4 Matla (P)

• tlhaloso:Thepa ea bobeli ea phepelo ea metsiMatla a motlakase.
• unit: kilowatt (kW).
• Mokhoa oa ho khetha: Bala litlhoko tsa matla tsa lisebelisoa ho latela phallo le hlooho, 'me u khethe matla a motlakase a loketseng.
  • Mokhoa oa ho bala:P = (Q × H) / (102 × η)
    • P: Sekhahla sa phallo (m3/h)
    • H: Phahamisa (m)
    • eta: katleho ea lisebelisoa (hangata 0.6-0.8)

2.Khetha mofuta oa sesebelisoa

2.1Phetolelo ea khafetsa ea lisebelisoa tsa phepelo ea metsi khafetsa

• Likaroloana: Fetola lebelo la enjene ka sefetoleli sa maqhubu ho fihlela phepelo ea metsi a khatello ea kamehla, ka phello e kholo ea ho boloka matla.
• Liketsahalo tse sebetsang: E loketse meaho e mengata le lits'ebeletso tsa indasteri, haholo moo t?ebeliso ea metsi e fetohang haholo.

2.2Ha ho lisebelisoa tse mpe tsa phepelo ea metsi

• Likaroloana: Sebelisa khatello ea marang-rang ea lipeipi tsa masepala ho qoba khatello e mpe, ho boloka matla le ho sireletsa tikoloho.
• Liketsahalo tse sebetsang: E loketse libaka tse nang le khatello e phahameng ea phepelo ea metsi ea masepala, haholo tse nang le litlhoko tsa boleng bo holimo ba metsi.

2.3Thepa ea phepelo ea metsi a laminated

• Likaroloana:fetapompo ea mekhahlelo e mengataLetoto la khokahano ho fihlela phepelo ea metsi e phahameng, e loketseng meaho e phahameng.
• Liketsahalo tse sebetsang: E loketse meaho e phahameng le liketsahalo tse hlokang phepelo ea metsi a phahameng.

3.Khetha thepa ea sesebelisoa

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 mohlala o nepahetseng ho latela li-parameter tse hlokahalang le mofuta oa lisebelisoa. 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 sesebelisoa.
• Khetha mokhoa: Khetha lisebelisoa tse sebetsang hantle haholo ho fokotsa lit?enyehelo tsa ts'ebetso.

5.2 Lerata le ho thothomela

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

5.3 Tlhokomelo le tlhokomelo

• tlhaloso: Litlhoko tsa tlhokomelo le tlhokomelo ea lisebelisoa.
• Khetha mokhoa: Khetha thepa eo ho leng bonolo ho e hlokomela le ho e hlokomela ho fokotsa lit?enyehelo tsa tlhokomelo.

6.Khetho ea mohlala

A re re u lokela ho khetha bakeng sa mohaho o phahameng oa boluloThepa ea bobeli ea phepelo ea metsi, li-parameter tse hlokahalang ke tse latelang:

• phalla:40 m3/h
• Phahamisalimithara tse 70
• khatellomatla: 0.7 MPa
• matla: E baloa ho latela sekhahla sa phallo le hlooho

6.1 Kgetha mofuta wa sesebediswa

• Phetolelo ea khafetsa ea lisebelisoa tsa phepelo ea metsi khafetsa: E loketse mehaho ea bolulo e phahameng, e nang le phello e kholo ea ho boloka matla le ts'ebetso e tsitsitseng.

6.2 Khetha thepa ea thepa

• 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 Lintlha tse ling

• Bokhoni ba ts'ebetso: Khetha lisebelisoa tse sebetsang hantle haholo ho fokotsa lit?enyehelo tsa ts'ebetso.
• Lerata le ho thothomela: Khetha lisebelisoa tse nang le lerata le tlase le ho thothomela ho netefatsa tikoloho e sebetsang hantle.
• Tlhokomelo le tlhokomelo: Khetha thepa eo ho leng bonolo ho e hlokomela le ho e hlokomela ho fokotsa lit?enyehelo tsa tlhokomelo.

Netefatsa hore o khetha e nepahetseng ka litataiso tsena tse qaqileng tsa khetho le dataThepa ea bobeli ea phepelo ea metsi, ka tsela eo e finyella litlhoko tsa tsamaiso ea phepelo ea metsi ka katleho le ho netefatsa hore e ka fana ka phepelo ea metsi e tsitsitseng le e t?epahalang mesebetsing ea letsatsi le letsatsi.