I-valve ye-butterfly yokuhlola ukuvala okuhamba kancane elawulwa yi-hydraulic iyithuluzi lokulawula ipayipi elithuthukisiwe ekhaya nakwamanye amazwe. Ifakwa kakhulu endaweni yokungena ye-turbine yesiteshi sikagesi futhi isetshenziswa njenge-valve yokufaka i-turbine; Noma ifakwe endaweni yokugcina amanzi, amandla kagesi, ukuphakelwa kwamanzi kanye nendawo yokuphuma kwephampu yokudonsa amanzi, esikhundleni se-valve yokuhlola kanye ne-valve yesango. Lapho isebenza, i-valve ibambisana nenjini eyinhloko yepayipi, ngokwesimiso senqubo yokuguquka kwe-hydraulic, futhi ngezinqubo zokuvula nokuvala ezisethiwe, ingafinyelela ukunqunywa okuthembekile kwepayipi, isuse ngempumelelo isando samanzi epayipini, futhi idlale indima ekuvikeleni ukuphepha kohlelo lwepayipi.

Isimiso sokusebenza

Amandla okuvala agodliwe e-hammer heavy hammer control hydraulic slow closing check butterfly valve yi-heavy hammer potential energy, ehlukaniswe yi-hammer heavy pressure maintaining hydraulic control slow closing check butterfly valve (ebizwa ngokuthi uhlobo lokulondoloza ingcindezi ye-hammer heavy) kanye ne-locking heavy hammer pressure automatic maintaining hydraulic control slow closing check butterfly valve (ebizwa nangokuthi uhlobo lokuvala i-hammer heavy hammer). Izimo zesevisi zifaka phakathi isimo sephampu ye-centrifugal, isimo sephampu yokugeleza kwe-axial kanye nesimo se-turbine.

Isimo sokusebenza sepompo ye-centrifugal enokuvulwa kwevalvu (kufaka phakathi ipompo yokugeleza okuxubile ye-centrifugal): qala ipompo kuqala, bese uvula ivalvu ngemva kokulibazisa isikhathi esihleliwe.

Isimo sokusebenza sephampu yokugeleza kwe-axial valve evulekile (kufaka phakathi iphampu yokugeleza exubile ye-axial): vula ivalvu yephampu ngesikhathi esifanayo, noma uvule ivalvu nge-engeli ethile kuqala, bese uqala iphampu.

Isimo sokusebenza kwe-turbine yokuvula i-valve: qala uvule i-valve ye-bypass ukuze ulinganisele ingcindezi, bese uvula i-valve, bese uvula i-turbine.

Ngokuvamile kuyadingeka ukuvala ivalvu ngesikhathi esifanayo sokuvala noma sokwehluleka kukagesi ngaphansi kwezimo zokusebenza ezahlukahlukene.

Isimiso esiyisisekelo sokusebenza kwe-electro-hydraulic yile:

Uma uvula ivalvu, ivalvu ye-solenoid iyahlehla, iphampu kawoyela iyaqala, bese uwoyela we-hydraulic ungena kwisilinda kawoyela ngevalvu yokulawula ukugeleza kanye nephayiphi yokucindezela okuphezulu ukuze ucindezele i-piston bese uqhuba i-lever exhunywe nayo ukuze uphakamise isando esinzima ukuvula ivalvu. Ngemva kokuba ivalvu ivuliwe endaweni yayo, uhlelo lokugcina ingcindezi oluzenzakalelayo luyaqala; Injini iyaqhubeka nokushaja i-accumulator. Lapho ingcindezi ifika endaweni yokubeka ingcindezi ephezulu, iphampu kawoyela iyama. Isikhathi sokuvula ivalvu singalungiswa ngokujikeleza isondo lesandla levalvu yokulawula ukugeleza, futhi ububanzi bokulungisa buyimizuzwana eyi-10 ~ 90.

Uma uhlelo luvuza futhi ingcindezi yehla iye endaweni ebekwe umfutho ophansi, injini yephampu kawoyela iqala ngokuzenzakalelayo futhi ima ngemva kokufinyelela endaweni ebekwe umfutho ophakeme.

Uma uvala ivalvu, ivalvu yesolenoid iyaphenduka, uwoyela wokucindezela osesilinda kawoyela ubuyela ethangini likawoyela ngevalvu yokugeleza okusheshayo nokuhamba kancane, ipayipi lokucindezela okuphezulu kanye nevalvu yesolenoid, isando esindayo siyawa phansi, bese induku yokuxhuma ishayela ipuleti levemvane ukuthi lijikeleze ukuze livale ivalvu, ukuze linqamule ngokushesha ukugeleza kwamanzi cishe ngo-70% wokushaya kwangaphambilini; U-30% wokugcina wokushaya uvalwa kancane. I-engeli yokuvala okusheshayo nokuhamba kancane kanye nesikhathi se-buffer sesigaba ngasinye kungalungiswa ngokuya ngezimo zokusebenza zangempela zephayiphi ukuze kususwe ngempumelelo isando samanzi ephayiphini; Isikhathi sokulungisa singamasekhondi ama-2 kuya kumasekhondi angama-25 okuvala okusheshayo kanye namasekhondi ama-6 kuya kumasekhondi angama-90 okuvala kancane.

Enkambisweni yokuvula nokuvala, ivalvu ingamiswa kunoma iyiphi indawo ephakathi ngenkinobho yokumisa. Isenzo sokumisa sisetshenziswa kakhulu ekulungiseni amaphutha ohlelweni.

Iphampu elenziwe ngesandla lisetshenziswa kakhulu ekulungiseni amaphutha ohlelweni. Uma kungekho ugesi noma iphampu kawoyela ingasebenzi kahle, ukuzamazama iphampu elenziwe ngesandla kungaqedela ukuvulwa kwevalvu kanye nokugcinwa kwengcindezi kohlelo. Vula ivalvu yokumisa evame ukuvalwa, ngaphansi kwesenzo samandla angase abe khona kanye ne-hydrodynamic torque, induku yokuxhuma iqhuba ipuleti levemvane ukuthi lijikeleze ukuze livale ivalvu.