Cov lus qhia luv luv thiab qhov zoo ntawm axial flow turbine

Muaj ntau ntau hom hydrogenerators.Niaj hnub no, cia peb qhia txog axial-flow hydrogenerator kom ntxaws.Daim ntawv thov ntawm axial-flow hydro generator nyob rau hauv xyoo tas los no tsuas yog kev loj hlob ntawm lub taub hau dej siab thiab loj loj.Txoj kev loj hlob ntawm domestic axial-flow turbines kuj ceev.Muaj ob hom axial-flow paddle turbines tau teeb tsa hauv Gezhouba hydropower chaw nres tsheb, ib qho ntawm cov khiav txoj kab uas hla ntawm 11.3m, uas yog tus khiav txoj kab uas hla ntawm cov turbines zoo sib xws hauv ntiaj teb.Ntawm no yog qhov zoo thiab qhov tsis zoo ntawm nruab nrab axial flow turbine.

Qhov zoo ntawm axial flow turbine
Piv nrog Francis turbine, axial-flow turbine muaj qhov zoo hauv qab no:
1. High precision ceev thiab zoo zog yam ntxwv.Yog li ntawd, nws chav tsev ceev thiab chav dej ntws yog siab dua li ntawm Francis turbine.Nyob rau hauv tib lub taub hau thiab cov khoom tso tawm, nws tuaj yeem txo qhov loj ntawm hydraulic turbine generator unit, txo qhov hnyav ntawm chav tsev thiab txuag cov khoom siv, yog li nws muaj txiaj ntsig zoo rau kev lag luam.
2. Cov duab thiab qhov roughness ntawm cov hniav ntawm cov axial-flow turbine yog ib qho yooj yim kom ua tau raws li qhov yuav tsum tau ua hauv kev tsim khoom.Vim hais tias cov hniav ntawm axial flow propeller turbine tuaj yeem tig, qhov nruab nrab efficiency siab dua li ntawm Francis turbine.Thaum lub load thiab lub taub hau hloov, efficiency hloov me ntsis.
3. Cov hniav khiav ntawm axial flow paddle turbine tuaj yeem raug tshem tawm kom yooj yim rau kev tsim khoom thiab kev thauj mus los.

Yog li ntawd, axial-flow turbine ua kom ruaj khov nyob rau hauv kev ua haujlwm loj, muaj kev vibration tsawg, thiab muaj kev ua haujlwm siab thiab tso tawm.Nyob rau hauv qhov ntau ntawm cov dej qis taub hau, nws yuav luag hloov Francis turbine.Nyob rau hauv xyoo tsis ntev los no, nws tau ua rau kev loj hlob zoo thiab dav siv nyob rau hauv cov nqe lus ntawm ib chav tsev muaj peev xwm thiab lub taub hau dej.

3, Qhov tsis zoo ntawm axial flow turbine
Txawm li cas los xij, axial-flow turbine kuj muaj qhov tsis zoo thiab txwv nws qhov kev thov.Nws lub ntsiab tsis zoo yog:
1. Tus naj npawb ntawm cov hniav yog me me thiab cantilever, yog li lub zog tsis zoo thiab tsis tuaj yeem siv rau nruab nrab thiab siab lub taub hau hydropower chaw nres tsheb.
2. Vim yog chav tsev loj ntws thiab siab ceev, nws muaj qhov nqus me me qhov siab tshaj Francis turbine nyob rau hauv tib lub taub hau dej, uas ua rau qhov loj excavation qhov tob thiab kuj siab peev ntawm lub hwj chim chaw nres tsheb foundation.

Raws li cov kev tsis txaus siab saum toj no ntawm axial-flow turbine, daim ntawv thov lub taub hau ntawm axial-flow turbine txuas ntxiv txhim kho los ntawm kev siv cov ntaub ntawv tshiab nrog lub zog siab thiab cavitation tsis kam nyob rau hauv turbine manufacturing thiab txhim kho cov kev ntxhov siab ntawm cov hniav hauv kev tsim.Tam sim no, daim ntawv thov lub taub hau ntau ntawm axial flow kiv cua turbine yog 3-90 m, uas tau nkag mus rau thaj tsam ntawm Francis turbine.Piv txwv li, qhov tso zis ntawm * * * ib lub tshuab ntawm txawv teb chaws axial flow propeller turbine yog 181700 kW, lub * * * lub taub hau yog 88m, thiab khiav txoj kab uas hla yog 10.3M.Cov zis ib leeg ntawm axial flow kiv cua turbine uas tsim nyob rau hauv Suav teb yog 175000 kW, lub * * * lub taub hau yog 78m, thiab txoj kab uas hla ntawm * * * khiav yog 11.3m.Axial flow fixed propeller turbine tau kho cov hniav thiab cov qauv yooj yim, tab sis nws tsis tuaj yeem hloov mus rau cov chaw nres tsheb hydropower nrog kev hloov pauv loj hauv dej taub hau thiab thauj khoom.Rau cov chaw nres tsheb loj loj nrog lub taub dej ruaj khov thiab ua haujlwm raws li lub hauv paus thauj khoom lossis ntau chav nyob, nws tuaj yeem txiav txim siab tom qab kev sib piv nyiaj txiag thaum lub caij hluav taws xob muaj ntau.Nws siv tau dej taub hau ntau yog 3-50m.Axial flow propeller turbine feem ntau siv cov cuab yeej ntsug, thiab nws cov txheej txheem ua haujlwm yog tib yam li Francis turbine, Qhov txawv yog tias thaum lub load hloov, nws tsis tsuas yog tswj cov kev sib hloov ntawm cov lus qhia vane, tab sis kuj tswj cov kev sib hloov ntawm lub turbine. runner hniav kom muaj kev ua haujlwm siab.

Peb kuj tau qhia txog Francis turbine ua ntej.Ntawm cov tshuab hluav taws xob hydro, Francis turbine yog qhov txawv ntawm axial-flow turbine.Piv txwv li, cov qauv ntawm lawv cov neeg khiav dej num txawv.Cov hniav ntawm Francis turbine yuav luag sib npaug mus rau lub ntsiab ncej, thaum cov axial ntws turbine yuav luag perpendicular mus rau lub ntsiab ncej.