Ivalve yebhola elintantayo
Ibhola lei-valve yebholaiyantanta. Ngaphansi kwesenzo sokucindezela okuphakathi, ibhola lingakhiqiza ukugudluka okuthile futhi licindezele ngokuqinile endaweni yokuvala yokuphela kwe-outlet ukuze kuqinisekiswe ukuvaleka kokuphela kokuphumayo. I-valve yebhola elintantayo inesakhiwo esilula nokusebenza okuhle kokuvala, kodwa umthwalo webhola eliphethe i-medium yokusebenza wonke udluliselwe kwendandatho yokuvala i-outlet, ngakho-ke kuyadingeka ukucabangela ukuthi indandatho yokuvala ingakwazi ukumelana nomthwalo wokusebenza we-ball medium. Lesi sakhiwo sisetshenziswa kabanzi kuma-valve ebhola aphakathi naphansi.
I-valve yebhola ye-trunnion
Ibhola lei-valve yebholaiyalungiswa futhi ayinyakazi ngaphansi kwengcindezi. I-valve yebhola engashintshi inesihlalo se-valve esintantayo. Ngemuva kokucindezelwa yi-medium, isihlalo se-valve siyanyakaza, ukuze indandatho yokuvala icindezelwe ngokuqinile ebhola ukuze kuqinisekiswe ukuvala. Ama-bearings avame ukufakwa ku-shafts ephezulu nangaphansi ngebhola, futhi i-torque yokusebenza incane, efanelekile kuma-valve aphezulu kanye nobubanzi obukhulu. Ukuze kuncishiswe i-torque yokusebenza ye-valve yebhola futhi kwandiswe ukuthembeka kophawu, ama-valve ebhola afakwe uphawu ngamafutha asanda kuvela. Amafutha okugcoba akhethekile ajovwa phakathi kwezindawo zokuvala ukuze enze ifilimu kawoyela, ethuthukisa ukusebenza kokuvala futhi inciphise I-torque esebenzayo ifaneleka kakhulu kuma-valve ebhola anomfutho ophezulu kanye nobubanzi obukhulu.
I-valve yebhola ye-Elastic
Ibhola le-valve yebhola liyanwebeka. Kokubili ibhola nendandatho yokuvala isihlalo se-valve zenziwe ngezinto zensimbi, futhi ingcindezi ethile yokuvala inkulu kakhulu. Ingcindezi ye-medium ngokwayo ayikwazi ukuhlangabezana nezidingo zokuvala, futhi amandla angaphandle kufanele asetshenziswe. Le valve ifanele izinga lokushisa eliphezulu kanye ne-high pressure medium. I-elastic sphere itholakala ngokuvula i-elastic groove engxenyeni engezansi yodonga lwangaphakathi lwendilinga ukuze kutholwe ukunwebeka. Lapho uvala isiteshi, sebenzisa inhloko ye-wedge yesiqu se-valve ukwandisa ibhola bese ucindezela isihlalo se-valve ukuze ufinyelele ukuvala. Ngaphambi kokuguqula ibhola, khulula ikhanda le-wedge, futhi ibhola lizobuyela esimweni salo sokuqala, ukuze kube negebe elincane phakathi kwebhola nesihlalo se-valve, okunganciphisa ukungqubuzana nokusebenza kwe-torque yendawo yokuvala.
Isikhathi sokuthumela: May-29-2022