Ivalvu yebholayivalvu yokulawula ulwelo, kwaye ulwakhiwo lwayo olusisiseko kunye nomgaqo-siseko ngolu hlobo lulandelayo:
Ivalvu yebholaInkcazo kunye nomgaqo wokusebenza
Umzimba wevalvu yevalvu yebhola ungqukuva, unomngxuma embindini, kwaye ibhola ibekwe phakathi kwezihlalo zevalvu emzimbeni wevalvu. Ngokujikelezisa ibhola yevalvu ngama-90 degrees, inokuvimba ulwelo olufana nolwelo okanye iigesi kwaye ivale indlela yokuhamba. Ke ngoko, umgaqo osebenzayo wevalvu yebhola kukulawula ukuvulwa kolwelo ngokujikeleza ibhola. Ngokukodwa, xa isiphatho okanye idrayivu ijikeleza, isiqu sevalvu siqhuba ibhola ukuba ijikeleze, ngaloo ndlela itshintsha imo yetshaneli emzimbeni wevalvu kwaye ifezekise ulawulo lokuvulwa kolwelo.
Ivalvu yebholaIimpawu zesakhiwo
Izinto eziphambili zevalvu yebhola ziquka ibhola, isihlalo sevalvu, isiqu sevalvu, kunye nesiphatho (okanye idrayivu). Phakathi kwazo, isihlalo sevalvu sidla ngokwenziwa ngezinto ezithambileyo ukuqinisekisa ukuba ivalvu isebenza kakuhle xa ivaliwe. Xa ibhola ijikeleza ukuze iqhagamshelane nesihlalo sevalvu, ngenxa yokuqina kwesihlalo sevalvu, itywina linokwenziwa ukuthintela ukuvuza kolwelo. Ibhola emva koko inokujikeleza ngokukhululekileyo emzimbeni wevalvu ukulawula ukucima kolwelo.
Ukongeza, umzimba wevalvu yevalvu yebhola uneentlobo ezimbini: umzimba opheleleyo kunye nesiqingatha sesphere. Isakhiwo esidadayo kukuba ibhola ibotshelelwe kwaye ixhaswe sisihlalo sevalvu esifakwe emzimbeni wevalvu, esisetyenziswa ngokubanzi kuxinzelelo oluphantsi kunye nobubanzi obuncinci. Uhlobo lwetrunnion lunesakhiwo esijikelezayo, inxalenye ephezulu yebhola ixhaswa sisiqu sevalvu, kwaye inxalenye engezantsi ixhaswa yitrunnion, esetyenziswa ngokubanzi kuxinzelelo oluphezulu kunye nobubanzi obukhulu.
Ivalvu yebholaIintlobo kunye nokuhlelwa
Ngokwezakhiwo ezahlukeneyo kunye nokusetyenziswa kwazo, iivalvu zebhola zinokwahlulwa zibe ziintlobo ezininzi. Umzekelo:
I-Trunnion Enyuswe Ibhola yeValve
Ibhola izinzile kwaye ayishukumi emva kokuba icinezelwe, idla ngokuba nesihlalo sevalvu esidadayo.
Ivalve yeBhola edadayo
Ibhola iya kucinezelwa ngokuqinileyo kumphezulu wokuvala we-outlet phantsi koxinzelelo lwe-medium ukuqinisekisa ukuvalwa kwe-outlet.
Ivalvu yebhola eneendlela ezintathu
Ibhola enomfanekiso ofana no-T okanye u-L inokuqonda ukuphambuka kunye nokudibana kolwelo.
Ivalvu yebhola enobushushu obuphezulu
Ibhola kunye nesihlalo sevalvu zihlala zenziwe ngezinto ezimelana nobushushu obuphezulu kwaye zinokusebenza ngokuqhelekileyo kwiindawo ezinobushushu obuphezulu.
Ivalvu yebhola enoxinzelelo oluphezulu
Ibhola kunye nesihlalo sevalvu zihlala zenziwe ngezinto ezimelana noxinzelelo oluphezulu kwaye zinokusebenza ngokuqhelekileyo kwiindawo ezinoxinzelelo oluphezulu.
Ukongeza, inokwahlulwa ngokwendlela yokuqhuba (efana neyokusebenzisa ngesandla, ephuma emoyeni, eyombane, njl.njl.), indlela yokudibanisa (efana nokudibanisa iflange, ukunxibelelana ngemisonto, ukunxibelelana nge-welding, njl.njl.) kunye nezinto (ezifana nezinto zesinyithi, izinto ezingezizo zesinyithi, njl.njl.).
Ivalvu yebholaUmsebenzi kunye nokusetyenziswa
Iivalvu zebhola zineempawu zesakhiwo esilula, ukuvala kakuhle kunye nokusebenza okulula. Zisetyenziswa kakhulu kwi-petroleum, iikhemikhali, i-metallurgy, umbane, amanzi epompo, igesi yendalo kunye neminye imboni. Zingasetyenziselwa ukulawula ukuhamba kolwelo kunye nokuqinisekisa ucoceko kunye nokhuseleko lwendalo yemveliso. Kwangaxeshanye, iivalvu zebhola zikwafanelekile kwiindlela ezahlukeneyo zemidiya kunye nokuhamba kwegesi eqinileyo kunye nolwelo-oluqinileyo, kwaye zinamathuba ophuhliso olubanzi.
Ukugcinwa nokunakekelwa
Ukuze kuqinisekiswe ukuba ivalvu yebhola isebenza ngokuzinzileyo ixesha elide, kufuneka ulondolozo kunye nokunyamekela rhoqo. Amanyathelo athile aquka:
1. Jonga rhoqo umzimba wevalvu kunye nesiqu sevalvu ukuze ubone iimpawu zokugqwala, ukuqhekeka okanye omnye umonakalo.
2. Jonga ukusebenza kokuvala kwevalvu ukuqinisekisa ukuba akukho kuvuza.
3. Kwiivalvu zebhola ezisebenza ngesandla, thambisa rhoqo isiqu sevalvu kunye nebhokisi yegiya ukuze unciphise ukuguguleka.
4. Gcina umphandle wevalvu yebhola ucocekile kwaye ususe uthuli kunye neoyile; ukuba kunokwenzeka, coca ibhola yevalvu kunye nesihlalo sevalvu rhoqo ukuze uthintele ukungcola ukuba kungaqokeleleki.
5. Jonga ukuba zonke izibophelelo (ezifana nezikrufu kunye neenati) zikhululekile na uze uziqinise ngexesha elifanelekileyo.
Isishwankathelo
Ivalvu yebhola luhlobo lwevalvu olusebenzayo noluthembekileyo oludlala indima ebalulekileyo kwiindawo ezahlukeneyo zoshishino. Ngokufakelwa, ukusetyenziswa kunye namanyathelo okugcina achanekileyo, ukusebenza okuzinzileyo kwevalvu yebhola kunokuqinisekiswa kwaye ubomi bayo benkonzo bunokwandiswa.
Ixesha leposi: Disemba-02-2024