Ngexesha lokugcinwa kweyunithi yejenereyitha yeijini yamanzi, enye into yogcino lweinjini yeijini yamanzi lutywino lolondolozo.Isitywina sokugcinwa kweinjini yomoya oqhutywa ngamanzi ibhekiselele kwitywina elifunekayo ngexesha lokuvalwa okanye ukugcinwa kwe hydraulic turbine working seal kunye ne hydraulic guide bearing, ethi inqanda ukubuya umva kwi turbine emhadini xa umgangatho wamanzi womsila uphezulu.Namhlanje, siza kuxoxa ngohlelo oluninzi lwe-iturbine yokutywinwa kwisakhiwo se-injini ye-shaft yetywina ephambili.
Isitywina esisebenzayo se-hydraulic turbine inokohlulwa ibe
(1) Isitywina esisicaba.Isitywina sepleyiti esisicaba sibandakanya umaleko omnye wepleyiti etywiniweyo kunye nomgangatho ophindwe kabini wepleyiti etywiniweyo.Isitywina sepleyiti esisicaba esinomgangatho omnye sisebenzisa ipleyiti yerabha enomaleko omnye ukwenza itywina enobuso besiphelo sentsimbi ejikelezayo iringi emiswe kwishafti engundoqo.Ivalwe ngoxinzelelo lwamanzi.Ubume bayo bulula, kodwa isiphumo sokutywinwa asilunganga njengeso sitywina sepleyiti ephindwe kabini, kwaye ubomi bayo benkonzo abukho bude njengabo botywina lwepleyiti ephindwe kabini.I-flat-layer flat plate inesiphumo esihle sokutywinwa, kodwa isakhiwo sayo sinzima kwaye amanzi avuza xa uphakamisa.Okwangoku, isetyenziselwa kwiiyunithi ezincinci kunye nobukhulu obuphakathi kwe-axial-flow flow.
(2) Ukutywinwa kweRadial.I-Radial seal iqulathe iibhloko zekhabhoni ezininzi ezimile okwefeni ezicinezelwe ngokuqinileyo kwishafti engundoqo ngemithombo kwiibhloko zentsimbi ezimilise okwefeni ukwenza umaleko wetywina.Umngxuma omncinci wokukhupha amanzi uvulwa kwiringi yokutywina ukukhupha amanzi avuzayo.Ivalwa kakhulu kumanzi acocekileyo, kwaye ukuxhathisa kwayo kukubi kwintlenga enamanzi.Isakhiwo setywina sinzima, ukufakela kunye nokugcinwa kunzima, ukusebenza kwentwasahlobo akukho lula ukuqinisekisa, kwaye ukuzilawula kwe-radial emva kokungqubuzana kuncinci, ngoko kuye kwacinywa kwaye kwatshintshwa indawo yesitywina sobuso bokugqibela.
(3) Ukupakisha isitywina.Ukupakishwa kwetywina kwenziwa ngeringi esezantsi, ukupakisha, iringi yokutywina yamanzi, umbhobho wokutywina wamanzi kunye nedlala.Ubukhulu becala idlala indima yokutywina ngokupakishwa kumbindi weringi yetywina esezantsi kunye nomkhono wocinezelo lwamadlala.Isitywina sisetyenziswa ngokubanzi kwiiyunithi ezincinci ezithe tye.
(4) Isitywina sobuso.Isitywina sobuso * * * uhlobo lomatshini kunye nodidi lolwelo lwamanzi.Mechanical ekupheleni ubuso itywina uthembele entwasahlobo ukutsala idiskhi exhotyiswe block irabha setyhula, ukuze block irabha setyhula kufutshane nentsimbi engatyiwa umsesane elimisiweyo kwi shaft engundoqo ukudlala indima yokutywina.Iringi yokutywina yerabha igxininiswe kwisigqubuthelo esingaphezulu (okanye isikhuselo senkxaso) se-hydraulic turbine.Olu hlobo lwesakhiwo sokutywina silula kwaye kulula ukuhlengahlengisa, kodwa amandla entwasahlobo ayilingani, ethandwa kakhulu kwi-eccentric clamping, ukunxiba kunye nokusebenza kokutywinwa okungazinzanga.
(5) Labyrinth ring itywina.I-Labyrinth ring seal luhlobo olutsha lwetywina kwiminyaka yakutshanje.Umgaqo wayo wokusebenza kukuba isixhobo sepuleti yepompo sibekwe phezulu kumgijimi we-turbine.Ngenxa yefuthe lokufunxa ipleyiti yempompo, i-shaft flange ephambili isoloko isemoyeni.Akukho nxibelelwano phakathi kweshaft kunye ne-shaft seal, kwaye kukho kuphela umaleko womoya.Itywina linobomi benkonzo obude kakhulu.Isitywina esiphambili se-shaft luhlobo lwe-labyrinth olungathintekiyo, oluqulunqwe ngumkhono ojikelezayo kufuphi ne-shaft, ibhokisi lokutywina, umbhobho wokukhupha i-shaft engundoqo kunye nezinye izinto.Ngaphantsi kokusebenza okuqhelekileyo kweinjini yomoya, akukho xinzelelo lwamanzi kwibhokisi yokutywina ngaphakathi koluhlu lonke lomthwalo.Ipleyiti yepompo kumgijimi ijikeleza kunye nembaleki ukuthintela amanzi kunye nezinto eziqinileyo ekungeneni kwi-shaft seal engundoqo.Kwangaxeshanye, umbhobho wokuhambisa amanzi wepleyiti yempompo uthintela isanti okanye izinto eziqinileyo ekuqokeleleni phantsi kwesigqubuthelo esingaphezulu seinjini yamanzi, kwaye ikhuphe ukuvuza okuncinci kwamanzi ngeringi ephezulu yokuyeka ukuvuza ukuya kumanzi omsila ngombhobho wokuhambisa amanzi. kwipleyiti yempompo.
Ezi zezona ndidi ziphambili zotywino lwe turbine.Kwezi zigaba ezine, i-labyrinth ring seal, njengeteknoloji entsha yokutywinwa, inokuthintela ngokufanelekileyo ukuvuza kwamanzi kwibhokisi yokutywina, eyamkelwe kwaye isetyenziswe ngamaziko amaninzi ombane, kwaye umphumo wokusebenza ulungile.
Ixesha lokuposa: Jan-24-2022
