Kune marudzi akawanda emajenareta emvura. Nhasi, ngatitaurei zvakadzama nezvejenareta yemvura inoyerera neaxial-flow. Kushandiswa kwejenareta yemvura inoyerera neaxial-flow mumakore achangopfuura kunonyanya kukonzerwa nekugadzirwa kwemvura yakawanda uye yakakura. Kugadzirwa kwemajini emvura anoyerera neaxial-flow epamba kunokurumidzawo. Kune marudzi maviri emajini emvura anoyerera neaxial-flow akaiswa muchiteshi chemagetsi cheGezhouba chakavakwa, chimwe chazvo chine dhayamita ye11.3m, inova dhayamita yedhini dzakafanana pasi rose. Heano mabhenefiti nezvakaipa zvejini inoyerera neaxial-flow iri pakati.
Mabhenefiti e axial flow turbine
Kana tichienzanisa ne Francis turbine, turbine ye axial-flow ine mabhenefiti makuru anotevera:
1. Kumhanya kwakanyanya uye hunhu hwakanaka hwesimba. Saka, kumhanya kwayo uye kufamba kweyuniti kwakakwira kupfuura kweFrancis turbine. Pasi pemamiriro akafanana emusoro uye kubuda, inogona kuderedza zvikuru saizi yeyuniti yekugadzira turbine ye hydraulic, kuderedza huremu hweyuniti uye kuchengetedza kushandiswa kwezvinhu, saka ine mabhenefiti makuru ehupfumi.
2. Chimiro chepamusoro uye kuomarara kwepamusoro kwemabhuradhi erunner blades e axial-flow turbine zviri nyore kusangana nezvinodiwa mukugadzirwa. Nekuti mabhuradhi e axial flow propeller turbine anogona kutenderera, avhareji yekushanda kwepamusoro pane kweFrancis turbine. Kana mutoro nemusoro zvikachinja, kushanda zvakanaka kunochinja zvishoma.
3. Mabhandi emuchina we axial flow paddle turbine anogona kugurwa kuti zvive nyore kugadzira nekufambisa.
Saka, turbine ye axial-flow inogara yakasimba munzvimbo yakakura yekushanda, ine kudedera kushoma, uye ine kushanda kwakanaka uye kubuda kwesimba. Munzvimbo ine mvura shoma, inenge ichitsiva turbine yeFrancis. Mumakumi emakore achangopfuura, yave nekuvandudzwa kukuru uye yave kushandiswa zvakanyanya maererano nekukwanisa kweyuniti imwe chete uye musoro wemvura.
3, Zvakashata zve axial flow turbine
Zvisinei, turbine ye axial-flow inewo zvayakaipira uye inoderedza mashandisirwo ayo. Zvayakaipira zvikuru ndeizvi:
1. Huwandu hwemapanga emagetsi madiki uye haashande zvakanyanya, saka simba rawo harina kunaka uye harigone kushandiswa pamagetsi emvura ari pakati nepakati neakakwirira.
2. Nekuda kwekuyerera kweyuniti yakakura uye kumhanya kwakanyanya kweyuniti, ine hurefu hudiki hwekusveta kupfuura turbine yeFrancis iri pasi pemusoro mumwe chete wemvura, zvichikonzera kudzika kukuru kwekuchera uye mari yakawanda yekuisa hwaro hwechiteshi chemagetsi.
Zvichienderana nezvikanganiso zvataurwa pamusoro apa zve axial-flow turbine, musoro wekushandisa we axial-flow turbine unoramba uchivandudzwa nekushandisa zvinhu zvitsva zvine simba rakawanda uye kudzivirira cavitation mukugadzira turbine uye kuvandudza mamiriro ekumanikidzwa kwemablades ari mukugadzirwa. Parizvino, huwandu hwemusoro wekushandisa we axial flow propeller turbine i3-90 m, iyo yapinda munzvimbo yeFrancis turbine. Semuenzaniso, kubuda kwe * * * muchina mumwe we foreign axial flow propeller turbine i181700 kW, * * * musoro i88m, uye dhayamita ye runner i10.3M. Kubuda kwe single kwe axial flow propeller turbine inogadzirwa muChina i175000 kW, * * * musoro i78m, uye dhayamita ye * * * runner i11.3m. Axial flow fixed propeller turbine ine mablades akagadzika uye chimiro chiri nyore, asi haigone kuchinjika kune hydropower stations ine shanduko huru mu water head nemutoro. Kune nzvimbo huru dzemagetsi dzine musoro wemvura wakagadzikana uye dzinoshanda semudziyo wekutanga kana mayuniti akawanda, inogonawo kufungwa nezvayo mushure mekuenzanisa nehupfumi kana simba remagetsi remwaka rakawanda. Hurefu hwayo hwemusoro wemvura hunoshanda i3-50m. Turbine yepropeller yeAxial flow inowanzo tora mudziyo wakamira, uye mashandiro ayo akafanana neaya e Francis turbine. Musiyano ndewekuti kana mutoro uchichinja, haungotungamiri kutenderera kweguide vane chete, asiwo unodzora kutenderera kwerunner blade kuti irambe ichishanda zvakanaka.
Takatotangawo kugadzira turbine yeFrancis kare. Pakati pema hydro generators, turbine yeFrancis yakasiyana zvikuru ne axial-flow turbine. Semuenzaniso, maumbirwo emhando ye runner yavo akasiyana. Mablades e turbine yeFrancis anenge akafanana ne main shaft, nepo e axial flow turbine anenge akatarisana ne main shaft.
Nguva yekutumira: Kubvumbi-19-2022
