Molao-motheo o sebetsang oa pompo ea centrifugal ea mekhahlelo e mengata
Pompo ea centrifugal ea mekhahlelo e mengataKe mofuta oa pompo o eketsang phahamiso ka ho hokahanya li-impellers tse ngata ka letoto E sebelisoa haholo maemong a hlokang ho phahamisa holimo, joalo ka phepelo ea metsi bakeng sa meaho e phahameng, phepelo ea metsi a boiler, drainage ea merafo, joalo-joalo.
Lintlha tse latelang ke lintlha tse qaqileng le litlhaloso tsa litlhaloso tsa pompo ea centrifugal ea mekhahlelo e mengata:
1.Pompo ea centrifugal ea mekhahlelo e mengataSebopeho sa motheo sa
1.1 'Mele oa pompo
- Lintho tse bonahalang: T?epe ea t?epe, t?epe e sa hloekang, boronse, joalo-joalo.
- moralo: Hangata mohaho o arohaneng o otlolohileng bakeng sa tlhokomelo e bonolo le ho lokisoa.
1.2 Impeller
- Lintho tse bonahalang: T?epe ea t?epe, t?epe e sa hloekang, boronse, joalo-joalo.
- moralo: Li-impeller tse ngata li hlophisitsoe ka letoto, 'me e mong le e mong o eketsa phahamiso e itseng.
1.3 Mokotla oa pompo
- Lintho tse bonahalang: T?epe e matla e phahameng kapa t?epe e sa hloekang.
- Mosebetsi: Hokela enjene le impeller ho fetisa matla.
1.4 Sesebelisoa sa ho tiisa
- mofuta: Setiiso sa mochini kapa tiiso ea ho paka.
- Mosebetsi: Thibela ho dutla ha metsi.
1.5 Bearings
- mofuta: Bere e thellang kapa e thellang.
- Mosebetsi: E t?ehetsa pompo ea pompo le ho fokotsa likhohlano.
2.Pompo ea centrifugal ea mekhahlelo e mengatamolao-motheo oa ho sebetsa
Pompo ea centrifugal ea mekhahlelo e mengatamolao-motheo oa ho sebetsa lePompo ea centrifugal ea sethala se le sengE ts'oanang, empa ka li-impellers tse ngata tse kopantsoeng letotong ho eketsa hlooho. Mokelikeli o monngoa ho tloha mohatong oa pele oa impeller, o potlakisa le ho hatelloa ke impeller e 'ngoe le e' ngoe ea sethala, 'me qetellong o fihla boemong bo phahameng bo hlokahalang.
2.1 Mokelikeli o kena 'meleng oa pompo
- Mokhoa oa ho kenya metsi: Mokelikeli o kena 'meleng oa pompo ka phala e kenang, hangata ka phala e monyang le valve ea ho hula.
- Bophara ba ho kenya metsi: E khethiloe ho latela litlhaloso tsa pompo le litlhoko tsa moralo.
2.2 Impeller e potlakisa mokelikeli
- Impeller lebelo: Ka tloaelo ho 1450 RPM kapa 2900 RPM (liphetoho ka motsotso), ho it?etlehile ka moralo oa pompo le kopo.
- matla a centrifugal: Mokelikeli o potoloha ka lebelo le phahameng le tsamaisoang ke motlakase, 'me mokelikeli o potlakisoa ke matla a centrifugal.
2.3 Mokelikeli o phalla ka ntle ho 'mele oa pompo
- Moralo oa semathi: Mokelikeli o potlakileng o phalla ka ntle hammoho le mocha oa phallo oa impeller mme o kena karolong e boima ea 'mele oa pompo.
- Moqapi oa likhetho: Moralo oa volute o thusa ho fetolela matla a kinetic a mokelikeli ho ba matla a khatello.
2.4 Mokelikeli o tsoang 'meleng oa pompo
- Mokhoa oa ho nt?a metsi: Mokelikeli o tsoela pele ho theoha ka har'a volute ebe o fetoloa matla a khatello, 'me o tsoa 'meleng oa pompo ka phala ea metsi.
- Bophara ba Outlet:ho latelapompalitlhaloso le litlhoko tsa moralo.
3.Pompo ea centrifugal ea mekhahlelo e mengataTlhaloso ea mohlala ea
Pompo ea centrifugal ea mekhahlelo e mengataNomoro ea mohlala hangata e na le letoto la litlhaku le linomoro, tse bont?ang mofuta oa pompo, sekhahla sa phallo, hlooho, palo ea mekhahlelo le mekhahlelo e meng. Tse latelang li tloaelehilePompo ea centrifugal ea mekhahlelo e mengataTlhaloso ea mohlala:
3.1 Mehlala ea mohlala
Nka hore aPompo ea centrifugal ea mekhahlelo e mengataMohlala ke: D25-50×5
3.2 Tlhahlobo ea mohlala
- D:bolelaPompo ea centrifugal ea mekhahlelo e mengatamofuta.
- 25: E bont?a sekhahla sa phallo ea pompo, ka li-cubic metres ka hora (m3/h).
- 50: E bont?a hlooho ea mothati o le mong oa pompo, ka limithara (m).
- ×5: E bont?a palo ea mekhahlelo ea pompo, ke hore, pompo e na le li-impellers tse 5.
4.Pompo ea centrifugal ea mekhahlelo e mengatalitekanyetso tsa ts'ebetso
4.1 Phallo (Q)
- tlhaloso:Pompo ea centrifugal ea mekhahlelo e mengataPalo ea mokelikeli o fanoang ka nako ea yuniti.
- unit: Cubic metres ka hora (m3/h) kapa lilithara ka motsotsoana (L/s).
- bophara: Ka tloaelo 10-500 m3/h, ho latela mofuta oa pompo le ts'ebeliso.
4.2 Phahamisa (H)
- tlhaloso:Pompo ea centrifugal ea mekhahlelo e mengataE kgona ho phahamisa bophahamo ba mokelikeli.
- unitLimithara (m).
- bophara: Ka tloaelo limithara tse 50-500, ho it?etlehile ka mohlala oa pompo le kopo.
4.3 Matla (P)
- tlhaloso:Pompo ea centrifugal ea mekhahlelo e mengataMatla a motlakase.
- unit: kilowatt (kW).
- Mokhoa oa ho bala:( P = \frac{Q \ linako H}{102 \nako \eta} )
- (Q): sekhahla sa phallo (m3/h)
- (H): Phahamisa (m)
- ( \ eta ): katleho ea pompo (hangata 0.6-0.8)
4.4 Sebetsa (η)
- tlhaloso:pompamatla a ho fetola matla.
- unit:peresente(%).
- bophara: Ka tloaelo 60% -85%, ho it?etlehile ka moralo oa pompo le kopo.
5.Pompo ea centrifugal ea mekhahlelo e mengataLinako tsa kopo
5.1 Phepelo ea metsi bakeng sa meaho e phahameng
- tshebediso: E sebelisoa mekhoeng ea phepelo ea metsi ea meaho e phahameng.
- phalla: Hangata 10-200 m3/h.
- Phahamisa: Hangata ke limithara tse 50-300.
5.2 Metsi a phepelo ea metsi
- tshebediso: E sebelisetsoa ho fepa metsi a tsamaiso ea boiler.
- phalla: Hangata 20-300 m3/h.
- Phahamisa: Hangata ke limithara tse 100-500.
5.3 Phallo ea metsi ea morafo
- tshebediso: Tsamaiso ea ho nt?a metsi bakeng sa merafo.
- phalla: Hangata 30-500 m3/h.
- Phahamisa: Hangata ke limithara tse 50-400.
5.4 Mekhoa ea indasteri
- tshebediso: E sebelisoa mekhoeng e fapaneng ea tlhahiso ea indasteri.
- phalla: Hangata 10-400 m3/h.
- Phahamisa: Hangata ke limithara tse 50-350.
6.Pompo ea centrifugal ea mekhahlelo e mengataTataiso ea khetho
6.1 Etsa qeto ea litekanyetso tsa tlhokahalo
- Phallo(Q): Ho khethoa ho latela litlhoko tsa sistimi, yuniti ke li-cubic metres ka hora (m3/h) kapa lilithara motsotsoana (L/s).
- Phahamisa (H): E khethiloe ho ea ka litlhoko tsa tsamaiso, yuniti ke mitha (m).
- Matla(P): Bala tlhoko ea matla a pompo ho latela sekhahla sa phallo le hlooho, ka li-kilowatts (kW).
6.2 Kgetha mofuta wa pompo
- Pompo e otlolohileng ea multistage centrifugal: E loketse liketsahalo tse ngata, e bonolo bakeng sa tlhokomelo le ho lokisoa.
- Pompo ea centrifugal e otlolohileng: E loketse liketsahalo tse nang le sebaka se fokolang.
6.3 Khetha thepa ea pompo
- Lisebelisoa tsa 'mele oa pompo: Ts'epe ea t?epe, t?epe e sa hloekang, boronse, joalo-joalo, e khethiloeng ho latela ho bola ha seaplane.
- Lintho tse impeller: Ts'epe ea t?epe, t?epe e sa hloekang, boronse, joalo-joalo, e khethiloeng ho latela ho bola ha seaplane.
7.Khetho ea mohlala
A re re u hloka ho khetha mohaho o phahamengPompo ea centrifugal ea mekhahlelo e mengata, li-parameter tse hlokahalang ke tse latelang:
- phalla: 50 m3/h
- Phahamisabophahamo ba limithara tse 150
- matla: E baloa ho latela sekhahla sa phallo le hlooho
7.1 Khetha mofuta oa pompo
- Pompo e otlolohileng ea multistage centrifugal: E loketse bakeng sa phepelo ea metsi mehahong e phahameng, e bonolo bakeng sa tlhokomelo le ho lokisoa.
7.2 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.
7.3 Kgetha letshwao 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 bukana ea lihlahisoa e fanoeng ke mofuta.
7.4 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 litlhaloso tse qaqileng tsa mohlala le litataiso tsa khethoPompo ea centrifugal ea mekhahlelo e mengata, ka tsela eo ka katleho e finyella litlhoko tse phahameng tsa ho phahamisa le ho etsa bonnete ba hore e ka sebetsa ka botsitso le ka bot?epehi mesebetsing ea letsatsi le letsatsi.