Munguva yekuchengetedza yemvura turbine jenareta unit, chimwe chekuchengetedza chinhu chemvura turbine chisimbiso chekugadzirisa. Chisimbiso chekuchengetedza hydraulic turbine inoreva chisimbiso chinotakura chinodiwa panguva yekuvharwa kana kuchengetedza hydraulic turbine inoshanda chisimbiso uye hydraulic guide bearing, iyo inodzivirira kudzoka mugomba re turbine kana muswe wemvura wakakwira. Nhasi, tichakurukura akati wandei emhando dzeturbine chisimbiso kubva kune chimiro cheturbine main shaft chisimbiso.
Chisimbiso chekushanda che hydraulic turbine chinogona kukamurwa kuita
(1) Flat chisimbiso. Iyo flat plate seal inosanganisira imwe-layer flat plate seal uye kaviri-layer flat plate seal. Iyo single-layer flat plate plate seal inonyanya kushandisa imwe-layer rubber plate kugadzira chisimbiso chine chinoguma chiso chesimbi isina tsvina inotenderera mhete yakagadzikwa pane huru shaft. Yakavharwa nekumanikidzwa kwemvura. Chimiro chayo chiri nyore, asi chisimbiso chekuita chisimbiso hachina kunaka sechisimbiso cheplate flat plate, uye hupenyu hwayo hwesevhisi hahuna kureba sehuya hwepiritsi flat plate seal. Iyo kaviri-layer flat plate ine yakanaka yekuisa chisimbiso mhedzisiro, asi chimiro chayo chakaoma uye mvura inodonha kana ichisimudza. Parizvino, inoshandiswawo mumadiki uye epakati-saizi axial-flow units.
(2) Radial chisimbiso. Radial seal ine akati wandei-akaita fan-kabhoni mabhuroko akatsikirirwa pahombe shaft nezvitubu ari musimbi-akaita fan-block blocks kuti aite layer yechisimbiso. Gomba diki remvura rinovhurwa mumhete yekuvharisa kuti ibudise mvura yadeuka. Iyo inonyanya kuvharirwa mumvura yakachena, uye kusapfeka kwayo kwakashata mune sediment ine mvura. Iyo chisimbiso chimiro chakaoma, kuisirwa uye kugadzirisa kwakaoma, kuita kwechirimo hakusi nyore kuve nechokwadi, uye iyo radial self-regulation mushure mekukwesha idiki, saka yakanyatso kubviswa uye yakatsiviwa nekuguma kwechiso chisimbiso.
(3) Kurongedza chisimbiso. Kurongedza chisimbiso chinoumbwa nemhete yepasi chisimbiso, kurongedza, mhete yemvura chisimbiso, pombi yekusimbisa mvura uye gland. Iyo inonyanya kuita basa rekuisa chisimbiso nekurongedza pakati peyepasi chisimbiso mhete uye gland compression sleeve. Chisimbiso chinoshandiswa zvakanyanya muzvikamu zviduku zvakadzikama.
(4) Chisimbiso chechiso. Kumeso chisimbiso * * * Mechini mhando uye hydraulic mhando. Mechanical end face chisimbiso inotsamira pachitubu kudhonza disc yakashongedzerwa nedenderedzwa rabha block, kuitira kuti denderedzwa rabha block iri padyo nestainless simbi mhete yakamisikidzwa pane huru shaft kuti iite chisimbiso basa. Rubber sealing ring inogadzikwa pamusoro pechivharo chepamusoro (kana chivharo chekutsigira) che hydraulic turbine. Iri rudzi rwechisimbiso chimiro chiri nyore uye chiri nyore kugadzirisa, asi simba rechirimo harina kuenzana, iro rinowanzoita eccentric clamping, kupfeka uye kusagadzikana kwekuisa chisimbiso kuita.
(5) Labyrinth mhete chisimbiso. Labyrinth ring seal rudzi rutsva rwechisimbiso mumakore achangopfuura. Nheyo yayo yekushanda ndeyekuti mudziyo wepombi wepombi wakaiswa pamusoro peiyo turbine runner. Nekuda kwekusveta kwepombi ndiro, iyo huru shaft flange inogara iri mumhepo. Iko hakuna kushamwaridzana pakati pe shaft uye shaft chisimbiso, uye pane chete denga remhepo. Chisimbiso chine hupenyu hurefu hwebasa. Iyo huru shaft chisimbiso imhando isingabatanidzwe labyrinth, iyo inoumbwa nesleeve inotenderera iri pedyo neshaft, bhokisi rekuvhara, main shaft seal drainage pombi uye zvimwe zvikamu. Pasi pekushanda kwakajairwa kweturbine, hapana kudzvanywa kwemvura pabhokisi rekuvhara mukati memutoro wese. Pombi yepombi pamumhanyi inotenderera nemumhanyi kudzivirira mvura nezvinhu zvakasimba kupinda muchisimbiso chikuru cheshaft. Panguva imwecheteyo, pombi yepombi yepombi inodzivirira jecha kana zvinhu zvakasimba kuti zvisaungane pasi pechivharo chepamusoro cheturbine yemvura, uye inobudisa mvura shoma shoma kuburikidza nemhete yekumusoro inomira kumvura yemuswe kuburikidza nepombi yemvura yepombi ndiro.
Aya ndiwo mapoka mana makuru ematurbine seals. Muzvikamu zvina izvi, labyrinth mhete chisimbiso, sechisimbiso chitsva tekinoroji, inogona kunyatso kudzivirira kubuda kwemvura pabhokisi rekuvhara, iro rakagamuchirwa uye rakashandiswa neakawanda hydropower zviteshi, uye kushanda kwekuita kwakanaka.
Nguva yekutumira: Jan-24-2022
