I-valve yezindlela ezintathu kagesi yokuhlinzeka ngamanzi e-heater enomfutho ophezulu
| Uhlobo | I-valve yezindlela ezintathu |
| Imodeli | I-F963Y-2500LB, F963Y-420 |
| Ububanzi Okuzisholo | I-DN 350-600 |
Ngesikhathi sokusebenza okuvamile kwe-heater yomfutho ophezulu we-high-pressure engu-600 kuya ku-1,000MW supercritical (i-ultra-supercritical) yamandla ashisayo ashisayo, umzila oyinhloko we-valve yezindlela ezintathu ekungeneni kwe-heater yomfutho ophezulu uyavulwa futhi i-bypass ivaliwe. Ukunikezwa kwamanzi kubhayela kungena ku-heater enomfutho ophezulu ukusuka emzileni omkhulu ngaphambi kokungena kubhayela ngevalvu enezinhlangothi ezintathu endaweni yokukhipha i-heater enomfutho ophezulu.
- Umzimba we-valve nebhonethi zisebenzisa isakhiwo sensimbi esakhiwe ngokugcwele.
- Uhlobo lokuvala lomzimba we-valve nebhonethi lisebenzisa isakhiwo esizivala ngokucindezela.
- Idizayini ye-valve yakhelwe ngezihlalo zamavalvu ezingenhla neziphansi. Lapho i-valve ikhuphuka ukuze ivule futhi ukunikezwa kwamanzi kungena ku-heater yokucindezela okuphezulu, umgogodla we-valve uthinta isihlalo se-valve esiphezulu ukuze uvale ukuvimbela ukutholakala kwamanzi ekungeneni endaweni edlulayo; lapho i-valve yehla ukuze ivalwe futhi ukunikezwa kwamanzi kungena ku-boiler ngokusebenzisa i-bypass, i-valve core ithinta isihlalo se-valve ephansi ukuze ivalwe ukuze kuqinisekiswe ukunqanyulwa nokulungiswa kwe-heater yokucindezela okuphezulu.
- Isihlalo se-valve ephezulu kanye nebhonethi ye-valve zisebenzisa ukwakheka kohlobo lokuhlukaniswa ukuze kube lula ukuhlakazeka.
- I-bypass lapho ukugeleza kwamanzi kugeleza khona ifakwe izinto ezicindezelayo, ehlinzeka ngokulahlekelwa kwengcindezi efanayo njengamapayipi heater anengcindezi ephezulu lapho okuphakathi kudlula khona ukuze kunqandwe ukuguquguquka kwengcindezi yokuphakelwa kwamanzi.
- Uma kwenzeka kunqanyulwa i-heater enomfutho ophezulu, isondo lesandla engxenyeni engenhla ye-valve lingasiza ngokuvala i-valve ngokuphoqelela.
- Izakhi ze-throttle ekungeneni kwe-valve yezindlela ezintathu kanye nesihlalo se-valve esiphezulu zisebenzisa idizayini edidiyelwe futhi azidingi i-throttle orifice eyengeziwe ngokuhlukana.
