Izicelo eziNtsha eziDidiweyo eziDityanisiweyo zeBhola eZimbini zeTempile ePhakamileyo, iiNdawo eziPhakamileyo zoxinzelelo

1. Intshayelelo

Iivalvu zizixhobo ezibalulekileyo ezisetyenziselwa ukulawula ukuhamba kwamanzi, uxinzelelo kunye nesikhokelo sokuhamba kwiinkqubo zokuhanjiswa kwamanzi. Zisetyenziswa kakhulu kwi-petroleum, iikhemikhali, amandla ombane, isinyithi kunye namanye amashishini. Kwiqondo lokushisa eliphezulu kunye neendawo zoxinzelelo oluphezulu, iivalve zifuneka ukuba zibe neemfuneko ezingqongqo, zingafuneki nje ukuba zibe nokusebenza kakuhle kokutywinwa, kodwa zifuna ukuba zibe nokushisa okuphezulu kunye nokuchasana noxinzelelo. Njengomsebenzi ophezulu we-valve ye-industrial, i-valve edibeneyo yebhola edibeneyo emibini isetyenziswe ngokubanzi kwintsimi yokushisa okuphezulu kunye noxinzelelo oluphezulu ngenxa yoyilo olukhethekileyo lwesakhiwo kunye nokusebenza okuphezulu.

2. Iimpawu zesakhiwo se-welded ye-valve yebhola edibeneyo

2.1. Ulwakhiwo olulula: Ivalve yebhola edityanisiweyo eneziqwenga ezibini ubukhulu becala yenziwe ngumzimba wevalve, ibhola, isihlalo sevalve, isiqu sevalve, umsesane wokutywina kunye namanye amacandelo. Inesakhiwo esilula, ubunzima obulula, kwaye kulula ukuyifaka nokugcina.

2.2. Ukusebenza kakuhle kokutywinwa: Ibhola kunye nesihlalo sevalve yamkela ukutywinwa kobuso, kunye nendawo enkulu yokutywina kunye nokusebenza kakuhle kokutywinwa, okunokuthi kuhlangabezane neemfuno zokutywinwa phantsi kobushushu obuphezulu kunye neendawo zoxinzelelo oluphezulu.

2.3. Ukuvula ngokukhawuleza kunye nesantya sokuvala: I-valve yebhola edibeneyo edibeneyo ithatha i-90 ° ukujikeleza kwebhola ukufezekisa ukuvula nokuvala, ngokukhawuleza ukuvula nokuvala isantya kunye nokusebenza okulula.

2.4. Ukuchasana kokuhamba okuncinci: Ishaneli yebhola yenzelwe ububanzi obupheleleyo, ukuchasana nokuhamba okuncinci, umthamo omkhulu wokuhamba, kwaye unokunciphisa ukusetyenziswa kwamandla kwenkqubo.

2.5. Ukushisa okulungileyo kunye nokuchasana noxinzelelo: I-valve yebhola edibeneyo ephindwe kabini yenziwe ngezinto ezikhethekileyo, inokushisa okuphezulu kunye nokumelana noxinzelelo, kwaye ifanelekile kwiqondo lokushisa eliphezulu kunye neendawo zoxinzelelo oluphezulu.

2.6. Iindlela ezahlukeneyo zokuqhuba: i-manual, umbane, i-pneumatic, i-hydraulic kunye nezinye iindlela zokuqhuba zingakhethwa ngokweemfuno zangempela.

3. Iimeko zokusetyenziswa kwe-welded two-piece ball valves kwiqondo lokushisa eliphezulu kunye noxinzelelo oluphezulu

3.1. Ishishini lePetrochemical

Kwiyunithi yokucoca yeshishini le-petrochemical, ubushushu obuphakathi buphezulu njenge-400 ℃ kwaye uxinzelelo lufikelela kwi-10MPa. Kule fowuni, i-valve yebhola edibeneyo emibini isetyenziswe njengesixhobo esiphambili sokulawula ukuhamba kwamanzi kunye noxinzelelo. Emva kweminyaka yokusebenza, i-valve yebhola ibonise ukusebenza kakuhle kokutywinwa kunye nokushisa kunye nokumelana noxinzelelo, ukuqinisekisa ukusebenza okuzinzile kwesixhobo.

3.2. Ushishino lwamandla

Kwi-boiler feed system yamanzi kwiplanti yamandla e-thermal, ubushushu obuphakathi yi-320 ℃ kunye noxinzelelo lwe-25MPa. Kule nkqubo, i-valve edibeneyo yebhola edibeneyo emibini isetyenziswa njengesixhobo sokusika kunye nokulawula. Ekusebenzeni kwangempela, i-valve yebhola ibonisa iimpawu zokuvula ngokukhawuleza kunye nesantya sokuvala, ukusebenza kakuhle kokutywinwa, kunye nokushisa okuphezulu kunye nokumelana noxinzelelo, ukubonelela ngesiqinisekiso esinamandla sokusebenza ngokukhuselekileyo kunye nokuzinza kwezityalo zamandla ezishushu.

3.3. Ishishini leMetallurgical

Kumgca wokuvelisa oshushu weshishini lentsimbi, ubushushu obuphakathi yi-600℃ kunye noxinzelelo lwe-15MPa. Kulo mgca wemveliso, i-valve edibeneyo yebhola edibeneyo emibini isetyenziswe njengesixhobo sokulawula esiphakathi. I-valve yebhola ibonisa ukusebenza kakuhle phantsi kobushushu obuphezulu kunye nommandla woxinzelelo oluphezulu, ukuhlangabezana neemfuno zokuvelisa umgca wokuvelisa.

4. Izilumkiso zokusetyenziswa kweevalvu zebhola ezidityanisiweyo ezimbini kubushushu obuphezulu kunye noxinzelelo oluphezulu.

4.1. Khetha izinto ezifanelekileyo: Ngokuhambelana nokushisa okusebenzayo kunye noxinzelelo, khetha izinto ezinokushisa okuphezulu kunye nokunyanzeliswa koxinzelelo ukuze uqinisekise ubomi benkonzo ye-valve yebhola kwiqondo lokushisa eliphezulu kunye neendawo zoxinzelelo oluphezulu.

4.2. Uyilo lokutywina olungqongqo: Uyilo lokutywina lungundoqo kwiivalvu zebhola ezidityanisiweyo ezimbini. Izinto ezifanelekileyo zokutywinwa kufuneka zikhethwe ukuze kuqinisekiswe ukusebenza kokutywinwa kwe-valve yebhola kwiqondo lokushisa eliphezulu kunye neendawo zoxinzelelo oluphezulu.

4.3. Lungiselela imo yokuqhuba: Ngokweemfuno zangempela, khetha imowudi efanelekileyo yokuqhuba ukuphucula ukusebenza kunye nokuzenzekelayo kwevalve yebhola.

4.4. Ukuhlolwa rhoqo kunye nokugcinwa: Ngaphantsi kweqondo lokushisa eliphezulu kunye nommandla woxinzelelo oluphezulu, ukusebenza kokutywinwa kunye nokushisa kunye nokuxhatshazwa kwengcinezelo ye-valve yebhola kuchaphazeleka lula. Ngoko ke, i-valve yebhola kufuneka ihlolwe kwaye igcinwe rhoqo ukuze kuqinisekiswe ukusebenza kwayo ngokuqhelekileyo.

4.5. Abaqhubi bezoqeqesho: Ukuqinisa uqeqesho lwabaqhubi, uphucule izakhono zabo zokusebenza, kunye nokunciphisa ukungaphumeleli kwe-valve yebhola okubangelwa ukusebenza ngokungafanelekanga.

I-valve edibeneyo yebhola edibeneyo emibini inomsebenzi ogqwesileyo wesicelo phantsi kobushushu obuphezulu kunye nokusingqongileyo koxinzelelo oluphezulu, ukubonelela ngesiqinisekiso esiqinileyo se-petroleum, iikhemikhali, amandla ombane, i-metallurgy kunye namanye amashishini. Kwisicelo sangempela, izinto ezifanelekileyo kufuneka zikhethwe ngokweemeko zokusebenza zangempela, ukuyila ngokungqongqo ukutywinwa, imowudi yokuqhubela phambili, ukuhlolwa rhoqo kunye nokugcinwa, kunye nokuqeqeshwa kwabaqhubi kufuneka kuqiniswe ukuqinisekisa ukusebenza okukhuselekileyo kunye nokuzinza kwevalve yebhola phantsi kobushushu obuphezulu kunye nokuphakama okuphezulu. indawo yoxinzelelo. Ngophuhliso oluqhubekayo lweteknoloji yezoshishino, i-valve yebhola edibeneyo edibeneyo emibini iya kudlala indima ebalulekileyo kwiindawo ezininzi.