Iivalvu zeglobhu kunye neevalvu zesango zizivalo ezimbini ezisetyenziswa ngokubanzi. Oku kulandelayo yintshayelelo eneenkcukacha ngomahluko phakathi kweevalvu zeglowubhu kunye neevalvu zesango.
1. Imigaqo yokusebenza yahlukile. Ivalve yeglowubhu luhlobo lwesikhondo esinyukayo, kwaye ivili lesandla liyajikeleza kwaye linyuke ngesiqu sevalve. Ivalve yesango kukujikeleza kwevili lesandla, kwaye isiqu sevalve siyenyuka. Izinga lokuhamba lihlukile. Ivalve yesango idinga ukuvulwa ngokupheleleyo, kodwa ivalve yeglowubhu ayifuni. Ivalve yesango ayinayo imfuneko yendlela yokungena neyokuphuma, kwaye ivalve yeglowubhu ineendawo zokungena neziphumayo ezichaziweyo! Ivalve yesango ephuma kumazwe angaphandle kunye neglobhu yivalve yokuvala kwaye zezona zixhaphakileyo.
2. Ukusuka kwindawo yokujonga imbonakalo, i-valve yesango ifutshane kwaye ide kune-valve yeglobhu, ngakumbi i-valve ye-stem ekhulayo ifuna indawo ephakamileyo yokuphakama. Umphezulu wokutywina wevalve yesango unamandla athile okuzitywina, kwaye undoqo wevalve unxibelelene ngokuqinileyo nendawo yokutywina yesitulo sevalve ngoxinzelelo oluphakathi ukufikelela ekuxineni kwaye akukho kuvuza. Ivalve engundoqo ithambeka levalve yesango eliwuweji ngokuqhelekileyo yi-3 ~ 6 degrees. Xa ukuvalwa okunyanzeliswayo kugqithise okanye ubushushu buguquka kakhulu, i-valve core kulula ukubambelela. Ke ngoko, ubushushu obuphezulu kunye noxinzelelo oluphezulu lweevalvu zesango le-wedge zithathe amanyathelo athile okuthintela undoqo wevalve ekubeni ubambeke kwisakhiwo. Xa ivalve yesango ivuliwe kwaye ivaliwe, i-valve core kunye ne-valve isihlalo sokutywina isihlalo sihlala sidibana kwaye sixubana omnye nomnye, ngoko ke indawo yokutywina ilula ukunxiba, ngakumbi xa ivalve ikwimeko ekufutshane nokuvalwa. Umahluko woxinzelelo phakathi komphambili kunye nomva we-valve core mkhulu, kwaye ukunxiba komphezulu wokutywina kubi kakhulu.
3. Xa kuthelekiswa ne-valve yeglobhu engenisiweyo, inzuzo ephambili yevalve yesango kukuba ukuchasana nokuhamba kwamanzi kuncinci. I-coefficient yokumelana nokuhamba kwevalve yesango eqhelekileyo imalunga ne-0.08 ~ 0.12, ngelixa i-coefficient yokumelana ne-valve yeglobhu eqhelekileyo imalunga ne-3.5 ~ 4.5. Amandla okuvula kunye nokuvala amancinci, kwaye i-medium inokuhamba ngeendlela ezimbini. Ukungalungi sakhiwo esiyinkimbinkimbi, ubungakanani obukhulu bokuphakama, kunye nokunxiba okulula kwendawo yokutywina. Umphezulu wokutywina wevalve yeglowubhu kufuneka uvalwe ngamandla ngokunyanzeliswa ukufezekisa ukutywinwa. Ngaphantsi komgangatho ofanayo, uxinzelelo lokusebenza kunye nesixhobo esifanayo sokuqhuba, i-torque yokuqhuba i-valve ye-globe yi-2.5 ~ 3.5 amaxesha e-valve yesango. Le ngongoma kufuneka ihlawulwe ingqalelo xa kulungiswa indlela yokulawula i-torque ye-valve yombane evela kumazwe angaphandle.
Okwesine, iindawo zokutywina zevalve yeglowubhu idibana kuphela xa ivalwe ngokupheleleyo. Ukutyibilika kwesalamane phakathi kwesiseko sevalve evaliweyo kunye nomphezulu wokutywina kuncinci kakhulu, ngoko ke ukunxiba komphezulu wokutywina kuncinci kakhulu. Ukunxitywa komphezulu weglowubhu wokutywina wevalve ubukhulu becala kubangelwa bubukho bobutyobo phakathi kondoqo wevalve kunye nomphezulu wokutywina, okanye kukukhuhlwa okuhamba ngesantya esiphezulu kwesiphakathi ngenxa yemeko yokuvaleka. Xa ufaka i-valve yeglobhu, i-medium ingangena ukusuka ezantsi kwi-core valve kwaye ukusuka phezulu. Inzuzo yokungena okuphakathi ukusuka ezantsi kwesiseko sevalve kukuba ukupakisha akukho phantsi koxinzelelo xa ivalve ivaliwe, enokwandisa ubomi benkonzo yokupakisha kwaye ithathe indawo yokupakisha xa umbhobho ophambi kwevalve uphantsi. uxinzelelo. Ukungalungi kokungena okuphakathi ukusuka ezantsi kwe-valve core kukuba i-torque yokuqhuba yevalve inkulu, malunga ne-1.05 ~ 1.08 amaxesha okungena okuphezulu, amandla e-axial kwisiqu sevalve inkulu, kwaye isiqu sevalve sikhulu. kulula ukugoba. Ngesi sizathu, i-medium engena ukusuka ezantsi ifanelekile kuphela kwiivalvu zeglowubhu ezinobubanzi obuncinci, kwaye amandla ombindi osebenza kumbindi wevalve xa ivalve ivaliwe ikhawulelwe ukuba ingabi ngaphezulu kwe-350Kg. Iivalvu zeglowubhu zombane ezithathwe kumazwe angaphandle zisebenzisa indlela yokungena ukusuka phezulu. Ukungalungi kokungena okuphakathi ukusuka phezulu kuchasene nje nendlela yokungena ukusuka ezantsi.
5. Xa kuthelekiswa nezivalo zesango, iingenelo zeevalvu zeglowubhu zibume obulula, ukusebenza kakuhle kokutywina, kunye nokwenza lula kunye nokugcinwa; izinto ezingeloncedo kukuxhathisa okukhulu kolwelo kunye nemikhosi emikhulu yokuvula nokuvala. Iivalve zesango kunye neevalvu zeglowubhu zivuleke ngokupheleleyo kwaye zivale ngokupheleleyo. Zisetyenziselwa ukunqumla okanye ukudibanisa i-medium kwaye ayifanelekanga ukusetyenziswa njengama-valve okulawula ukungenisa. Uluhlu lokusetyenziswa kweevalve zeglobhu kunye neevalve zesango luchongwa ngeempawu zabo. Kwimijelo emincinci, xa ukutywinwa kokuvalwa okungcono kufuneka, iivalvu zeglowubhu zihlala zisetyenziswa; kwimibhobho yomphunga kunye nemibhobho yonikezelo lwamanzi enobubanzi obukhulu, iivalvu zesango ziyasetyenziswa kuba ukuxhathisa ulwelo ngokuqhelekileyo kufuneka kube kuncinci.
Ixesha lokuposa: Nov-19-2024