Iivalvu zokulawula ukuhambazizinto ezibalulekileyo kuluhlu olubanzi lwamashishini, kubandakanywa ukwenziwa, i-oyile negesi, kunye nolawulo lwamanzi. Zisetyenziselwa ukulawula ukuhamba kwamanzi okanye igesi ngenkqubo, ukuqinisekisa ukuba ikwinqanaba elifanelekileyo lokusebenza kakuhle. Omnye umbuzo oqhelekileyo ovelayo xa kuxoxwa ngeevalvu zokulawula ukuhamba kukuba ngaba ziyakwazi ukunciphisa uxinzelelo kunye nokulawula ukuhamba. Kule post yeblogi, siza kuphonononga ukusebenza kweevalvu zokulawula ukuhamba kwaye sixoxe ukuba ziyakwazi na ukunciphisa uxinzelelo.

Ukuqonda iiVavu zoLawulo lokuHamba

Ngaphambi kokuba siphendule umbuzo wokuba ngaba iivalve zokulawula ukuhamba zinciphisa uxinzelelo, kubalulekile ukuqonda ukuba zisebenza njani ezi zivalo. Iivalvu zokulawula ukuqukuqela zenzelwe ukulawula ukuhamba kwamanzi okanye igesi ngokulungelelanisa ubungakanani bokuvulwa kwevalve. Oku ngokuqhelekileyo kuphunyezwa ngokusetyenziswa kwento eshukumayo, efana nediski okanye ibhola, enokubekwa ukuze ivumele ulwelo olungaphezulu okanye olungaphantsi okanye igesi ukuba idlule kwivalve.

Ulawulo loxinzelelo

Nangona iivalve zokulawula ukuhamba zisetyenziselwa ukulawula ukuhamba, nazo ziyakwazi ukuchaphazela uxinzelelo ngaphakathi kwenkqubo. Xa i-valve yokulawula ukuhamba ivalwe ngokuyinxenye, idala ukuchasana nokuhamba kwamanzi okanye igesi, nto leyo inokukhokelela ekunciphiseni koxinzelelo ezantsi kwevalve. Oku kuthetha ukuba iivalvu zolawulo lokuqukuqela zingasetyenziswa ngokwenene ukunciphisa uxinzelelo kwizicelo ezithile.

Usetyenziso

Iivalve zokulawula ukuhamba zisetyenziswa kwiinkqubo ezahlukeneyo apho ukulawulwa koxinzelelo kubalulekile. Ngokomzekelo, kwiinkqubo ze-hydraulic, iivalve zokulawula ukuhamba zihlala zisetyenziselwa ukulawula isantya se-hydraulic actuators ngelixa zilawula uxinzelelo. Ngokufanayo, kwiinkqubo zokulawula amanzi, iivalve zokulawula ukuhamba zingasetyenziselwa ukugcina uxinzelelo oluhambelanayo ngaphakathi kwenethiwekhi yeepayipi.

Ukuqukumbela

Ukuqukumbela, ngelixa umsebenzi ophambili weevalve zokulawula ukuhamba kukulawula ukuhamba, nazo zinamandla okunciphisa uxinzelelo ngaphakathi kwenkqubo. Ngokudala ukuchasana nokuhamba kwamanzi okanye igesi, iivalve zokulawula ukuhamba zinokunciphisa ngokufanelekileyo uxinzelelo ezantsi kwevalve. Oku kubenza babe ngamacandelo abalulekileyo kwizicelo apho ukulawulwa koxinzelelo kubaluleke kakhulu. Ukuqonda ukusebenza kabini kweevalvu zokulawula ukuhamba kubalulekile ekuqinisekiseni ukusetyenziswa kwazo ngokufanelekileyo kwiindawo ezahlukeneyo zoshishino kunye nezorhwebo.

Isishwankathelo, iivalve zokulawula ukuhamba azikwazi nje ukulawula ukuhamba, kodwa ziyakwazi ukunciphisa uxinzelelo ngaphakathi kwenkqubo. Ukuguquguquka kwazo kunye nokusebenza kwazo kuzenza zibe yinxalenye ebalulekileyo kuluhlu olubanzi lwamashishini.