Ezikhungweni ezinkulu zokupompa amanzi, amaphrojekthi okulondolozwa kwamanzi kanye nengqalasizinda yokunikezwa kwamanzi kamasipala, ukuvikelwa kokuqhuma kwamanzi ngesando, ukuphepha kokwehluleka kwamandla okuphuthumayo kanye nokwenza ngcono isikhala samapayipi kuyizindlela zokuhlola eziyinhloko zabakhi be-EPC kanye nezikhungo zokuklama ngesikhathi sokukhethwa kwemishini yamapayipi enobubanzi obukhulu. I-DN1000, PN16 ihlanganisiwe.ivalvu yebhabhathane ye-hydraulicIfakwe isilinda kawoyela esivala kancane esiphikisana nesisindo kanye nomzimba wevalvu yensimbi ye-S355J isetshenziswa kabanzi njengesixazululo esithembekile sezinhlelo zamapayipi okuphuma kwamaphampu.

Yakhiwe ngensimbi yesakhiwo ephansi ye-S355J, umzimba we-valve unikeza ukuqina okuphawulekayo komthelela wokushisa okuphansi kanye nokushibilika okuvelele uma kuqhathaniswa nezinye izindlela zensimbi ezivamile. Ingasebenza ngokuqina ngaphansi kwesilinganiso sokucindezela se-PN16 ezindaweni ezinzima kufaka phakathi izindawo ezivulekile nezindawo eziphansi zokushisa. Isakhiwo esishibilikisiwe ngokuphelele sinokuqina okuphezulu kanye nokumelana nokuguquguquka ngaphezu kwemizimba ye-valve yendabuko eshibilikisiwe, okubaluleke kakhulu ngobukhulu obukhulu be-DN1000.

Le valve isebenzisa ukucushwa okuhlangene kwesitoreji samandla esiphikisayo kanye nesilinda esivala kancane se-hydraulic. I-hydraulic actuator ivula ivalvu futhi iphakamise isilinda esiphikisayo ukuze igcine amandla adonsela phansi ngasikhathi sinye. Ezimweni eziphuthumayo njengokuphela kukagesi noma ukulahlekelwa yingcindezi yesistimu, amandla agciniwe esilinda esiphikisayo aqhuba ivalvu ukuthi ivale ngokuzenzakalelayo. Kanye nesilinda kawoyela we-buffer, ifinyelela ukulandelana kokuvala okulungisekayo kwezigaba ezimbili: ukuvala okusheshayo ngaphambi kokuvala okulandelwa ukuvalwa kokugcina okuhamba kancane. Le ndlela icindezela ngempumelelo ama-spikes okucindezela kwe-hammer yamanzi akhiqizwa ngesikhathi sokuvala iphampu futhi ivimbele ukulimala kwesakhiwo kumapayipi kanye nezinhlangano zephampu.

Ihlanganisa imisebenzi yevalvu yokuzihlukanisa kanye nevalvu yokuhlola engabuyi. Iyunithi eyodwa ingathatha indawo yenhlanganisela evamile yevalvu yesango kanye nevalvu yokuhlola, okwenza kube lula kakhulu ukuhlelwa kwamapayipi, kuncishiswe ukutshalwa kwezimali zokwakha zomphakathi, umthwalo womsebenzi wokufaka endaweni kanye nezindleko zokulungisa zesikhathi eside. Ifakwe ngamadivayisi omkhawulo womshini kanye nezinzwa zokuphendula isikhundla, ivalvu iyahambisana nezinhlelo zokulawula ezizenzakalelayo ze-PLC futhi isekela ukusebenza kwendawo ngesandla kanye nokulawula okude kokuxhumeka. Ifanele iziteshi zokupompa ezenzakalelayo, iziteshi zamandla kagesi, ukusatshalaliswa kwamanzi kamasipala, ukukhishwa kukasawoti emanzini olwandle kanye nezinye izikhungo zokuthutha uketshezi.

Amavalvu amakhulu avamile anemikhawulo evelele: isivinini sokuvala esingalawuleki, ukuntuleka kokuvikelwa okungasebenzi lapho ugesi uphela, kanye namandla anele esakhiwo semizimba yamavalvu amakhulu. Le valve yebhabhathane evala kancane kancane ye-hydraulic counterweight enomzimba we-S355J ixazulula la maphuzu avamile obuhlungu ngokucaciswa kwezinto ezilungiselelwe, indlela yokushayela evuthiwe kanye ne-logic yokulawula ethembekile. Igcina i-coefficient yokumelana nokugeleza okuphansi, ukusebenza kokuvala okuzinzile kanye nesilinganiso sokwehluleka esiphansi ngesikhathi senkonzo eqhubekayo yesikhathi eside. Sekuyi-specification ejwayelekile kumaphrojekthi okwakha amanzi omhlaba wonke kanye nokwakhiwa kokuphakelwa kwamanzi. Isikhathi sokuvula nokuvala esenziwe ngokwezifiso, i-anti-corrosion coating kanye namaphakheji okulawula amanzi ahambisanayo ayatholakala ngokuya ngezimo zokusebenza zangempela zesiza.

Kubathengi bobunjiniyela bamazwe ngamazwe, insimbi yesakhiwo i-S355J ihambisana nezindinganiso zezinto zaseYurophu, ezenza kube lula ukuhlolwa kwezinto kanye nokwamukelwa kwephrojekthi kumaphrojekthi aphesheya kwezilwandle eYurophu, eNingizimu-mpumalanga ye-Asia, eMpumalanga Ephakathi nakwezinye izifunda. Isilinda se-buffer sivumela ukulungiswa kahle kwe-engeli yokuvala kancane kanye nobude besikhathi. Onjiniyela bangalinganisa ngokunembile ukusebenza kokucindezela kwesando samanzi ngokusekelwe kubude bangempela bepayipi, ijubane lokugeleza kanye nezici eziphakathi nendawo.

Ngaphandle kwendawo yokuxhumana namanzi ahlanzekile, ivalvu ingathuthukiswa ukuze icubungule amanzi angavuthiwe nge-sediment encane kanye namanzi olwandle angagxili kakhulu ngokwelashwa okukhethekile kokulwa nokugqwala. Iyunithi ye-hydraulic eyisizayo incane futhi isebenziseka kalula ekunakekelweni okuvamile; izingxenye ezisele zesilinda kawoyela kanye nokuhlanganiswa kwesisindo esiphikisayo ziyatholakala emhlabeni wonke ukusekela insizakalo yasendaweni ngemuva kokuthengisa. Uma kuqhathaniswa nemishini yokunciphisa i-hammer yamanzi ehlukile njengamathangi okushushumbisa kanye nemikhumbi yomoya, lesi sixazululo sevalvu esiphelele sinciphisa isabelomali sephrojekthi futhi sithatha isikhala esincane ngaphakathi kwezakhiwo zephampu, okuyinzuzo ebalulekile kumaphrojekthi anokuhlelwa kwegumbi okulinganiselwe.