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Ke hobane'ng ha u koala valve ha u qala pompo ea centrifugal?

Ha pompo ea centrifugal e qala, ha ho na metsi pompong ea ho tsoa ea pompo, ka hona ha ho na khanyetso ea liphaephe le khanyetso ea bophahamo ba ho phahamisa. Ka mor'a hore pompo ea centrifugal e qale, hlooho ea pompo ea centrifugal e tlaase haholo 'me phallo e kholo haholo. Ka nako ena, tlhahiso ea motlakase oa pompo (matla a shaft) e kholo haholo (ho ea ka sekhahla sa ts'ebetso ea pompo), e leng bonolo ho e jarisa, e tla senya motlakase oa pompo le potoloho. Ka hona, koala valve ea ho tsoa ha u qala, E le ho etsa hore pompo e sebetse ka mokhoa o tloaelehileng. Ho koala valve ea ho tsoa ho lekana le ho beha ka maiketsetso khatello ea ho hanyetsa phala. Ka mor'a hore pompo e sebetse ka mokhoa o tloaelehileng, butle-butle qala valve ho etsa hore pompo e sebetse ka tloaelo mohato ka mohato ho latela molao oa ts'ebetso ea eona.

Lintlha tse peli li tlameha ho netefatsoa pele u qala pompo ea centrifugal:

1. Tlatsa sekoting sa pompo ka metsi ho etsa vacuum;

2. Sephahla se ka har'a pipe ea phallo ea metsi e tlameha ho koaloa e le hore pompo ea metsi e se ke ea etsa phallo, e ka fokotsang motlakase o qalang hona joale le ho thusa ho qala ha pompo ea metsi hantle. Ka qalo e boreleli ea pompo ea metsi, valve ea heke e lokela ho buloa butle-butle le ka nako.

Pompo ea Centrifugal e itšetlehile ka ho huloa ha vacuum e entsoeng ke matla a centrifugal a impeller ho phahamisa metsi. Ka hona, ha u qala pompo ea centrifugal, u tlameha ho qala ho koala valve ea ho tsoa ebe u tlatsa metsi. Ha boemo ba metsi bo feta boemo ba impeller, pompo ea centrifugal e ka qalisoa feela ka mor'a hore moea oa pompo ea centrifugal o lokolloe. Ka mor'a ho qala, ho etsoa vacuum ho pota-pota impeller ho monya metsi, e ka buloang ka bo eona ebe e phahamisa metsi. Ka hona, valve ea ho tsoa e tlameha ho koaloa pele.

Mabapi le pompo ea centrifugal:

Pompo ea Centrifugal ke pompo ea vane, e itšetlehileng ka impeller e potolohang. Nakong ea ho potoloha, ka lebaka la ho sebelisana pakeng tsa lehare le mokelikeli, lehare le fetisetsa matla a mechine ho mokelikeli, e le hore khatello ea mokelikeli e ka eketseha ho finyella morero oa ho tsamaisa mokelikeli. Pompo ea centrifugal e na le litšobotsi tse latelang:

1. Ho na le tekanyo ea moeli bakeng sa hlooho e hlahisoang ke pompo ea centrifugal ka lebelo le itseng. Phallo ea sebaka sa ts'ebetso le matla a shaft a itšetlehile ka boemo ba mochine oa mochine o amanang le pompo (phapang ea boemo, phapang ea khatello le tahlehelo ea lipeipi). Hlooho e fapana ka phallo.

2. Ts'ebetso e tsitsitseng, lipalangoang tse tsoelang pele, 'me ha ho na pulsation ea phallo le khatello.

3. Ka kakaretso, ha e na bokhoni ba ho iketsetsa. Hoa hlokahala ho tlatsa pompo ka metsi kapa ho phunya phaephe pele o qala ho sebetsa.

4. Pompe ea centrifugal e qala ha valve ea phaephe ea ho ntša metsi e koetsoe, 'me pompo ea vortex le pompo ea phallo ea axial e qala ha valve e bulehile ka ho feletseng ho fokotsa matla a qalang.

belofo

Pele pompo e qala, khetla ea pompo e tlatsoa ka mokelikeli o tsamaisoang; Ka mor'a ho qala, impeller e potoloha ka lebelo le phahameng le khannoang ke shaft, 'me mokelikeli o pakeng tsa mahare le oona o tlameha ho potoloha le oona. Tlas'a ketso ea matla a centrifugal, mokelikeli o lahleloa ho tloha bohareng ba mokelikeli ho ea moeling o ka ntle 'me o fumana matla, a siea moeli o ka ntle oa impeller ka lebelo le phahameng le ho kena ka matlong a pompo ea volute.

Ka volute, mokelikeli o fokotseha ka lebaka la ho atolosoa butle-butle ha mocha oa phallo, o fetola karolo ea matla a kinetic hore e be matla a khatello ea static, 'me qetellong a phalla ka har'a pipe ea ho ntša metsi ka khatello e phahameng ebe e romeloa sebakeng seo e hlokahalang. Ha mokelikeli o phalla ho tloha bohareng ba impeller ho ea moeling o ka ntle, ho thehoa vacuum e itseng bohareng ba impeller. Kaha khatello e ka holim'a boemo ba mokelikeli oa tanka ea polokelo e kholo ho feta khatello e kenang ka har'a pompo, mokelikeli o ntse o hatelloa ka har'a impeller. Hoa hlokomeleha hore ha feela impeller e ntse e potoloha, mokelikeli o tla monngoa le ho tsoa ka ho tsoelang pele.

΢ÐÅͼƬ_20211015111309Ho qala lipompo tse ling tsa centrifugal:

Tse boletsoeng ka holimo ke lipompo tsa centrifugal. Bakeng sa mefuta e meng ea lipompo, boemo bo tjena:

Litšobotsi tse kholo tsa ho qala tsa phallo ea 01 axial flow pump

Ha valve e feletseng e bulehileng e qala pompo ea phallo ea axial, matla a shaft ke boholo ba tlas'a boemo ba ho phalla ha zero, e leng 140% ~ 200% ea matla a lekantsoeng a shaft, 'me matla ke bonyane ba ho phalla ho hoholo. Ka hona, e le ho fokotsa ho qala hona joale, tšobotsi ea ho qala ea matla a shaft e lokela ho ba phallo e kholo e qalang (ke hore valve e bulehileng e qala).

02 litšobotsi tse qalang tsa pompo ea phallo e tsoakiloeng

Ha pompo ea phallo e tsoakiloeng e qala ka valve e bulehileng ka ho feletseng, matla a shaft a pakeng tsa lipompo tse peli tse ka holimo tlas'a boemo ba phallo ea zero, e leng 100% ~ 130% ea matla a lekantsoeng. Ka hona, litšobotsi tse qalang tsa pompo ea phallo e tsoakiloeng le tsona li lokela ho ba pakeng tsa lipompo tse peli tse ka holimo, 'me ho molemo ho qala ka valve e feletseng e bulehileng.

03 litšobotsi tse qalang tsa pompo ea vortex

Pompo ea "valve" e bulehileng e qalang ea vortex e na le matla a phahameng a shaft tlasa boemo ba phallo ea zero, e leng 130% ~ 190% ea matla a lekantsoeng a shaft. Ka hona, ho ts'oana le pompo ea phallo ea axial, tšobotsi ea ho qala ea pompo ea vortex e lokela ho ba qalo e kholo ea phallo (ke hore, ho qala ha valve ka botlalo).


Nako ea poso: Oct-15-2021

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