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Izizathu zokuvuza kwaNgaphakathi kweValve yeBhola kunye neeNkqubo zoNyango lokuvuza kwaNgaphakathi

Izizathu zokuvuza kwaNgaphakathi kweValve yeBhola kunye neeNkqubo zoNyango lokuvuza kwaNgaphakathi

Izizathu zokuvuza kwangaphakathi kweevalvu zebhola

1) Izizathu zokuvuza kwangaphakathi kwesivalo ngexesha lokwakha:

① Ukuthutha okungafanelekanga kunye nokuphakanyiswa kubangela umonakalo opheleleyo wevalve, okukhokelela ekuvuzeni kwangaphakathi kwevalve;② Xa ushiya i-factory, i-valve ayizange yomiswe kwaye iphathwe nge-anti-corrosion emva kokusetyenziswa koxinzelelo lwamanzi, okubangela ukuba indawo yokutywina igqwese kwaye yenze ukuvuza kwangaphakathi;③ Ukhuselo lwesiza sokwakha lwalungekho, kunye nevalve Akukho zipleyiti ezingaboniyo zifakwe kuzo zozibini iziphelo, kwaye ukungcola okunjengamanzi emvula kunye nesanti kungena kwisitulo sevalvu, ebangela ukuvuza;④ Ngexesha lofakelo, akukho grisi itofwayo kwisihlalo sevalve, ebangela ukuba ukungcola kungene ngasemva kwesihlalo sevalve, okanye ukuvuza kwangaphakathi okubangelwa kukutsha ngexesha le-welding;⑤ I-Valve Ayifakwanga kwindawo evulekile ngokupheleleyo, eya kubangela umonakalo kwibhola.Ngexesha le-welding, ukuba i-valve ayikho kwindawo evulekile ngokupheleleyo, i-spatter ye-welding iya kubangela umonakalo kwibhola.Xa ibhola ene-welding spatter ivuliwe kwaye icinyiwe, isihlalo sevalve siya konakala ngakumbi, ngaloo ndlela Ibangela ukuvuza kwangaphakathi;⑥ I-Welding slag kunye nezinye iintsalela zokwakha zibangela imikrwelo kumphezulu wokutywina;⑦ Indawo engachanekanga yomda ngexesha lonikezelo okanye ufakelo lubangela ukuvuza, ukuba i-valve stem drive sleeve okanye ezinye izesekeli zidityaniswe nge-angle engalunganga, ivalve iya kuvuza.

2) Izizathu zokuvuza kwangaphakathi kwevalve ngexesha lokusebenza:

① Esona sizathu sixhaphakileyo sesokuba umphathi wokusebenza akayigcini ivalve ethathela ingqalelo iindleko zokuyilungisa ezixabisa kakhulu, okanye akanalo ulawulo lwevalvu yenzululwazi kunye neendlela zokuyigcina ukuthintela ugcino lothintelo lwesivalo, okukhokelela ekusilelani kwangaphambili kwesixhobo;② Ukusebenza ngokungafanelekanga okanye ukusilela Ukwenziwa kogcino ngokwemigaqo yogcino olubangela ukuvuza kwangaphakathi;③ Ngexesha lokusebenza okuqhelekileyo, iintsalela zokwakha zikrwela umphezulu wokutywina, okukhokelela ekuvuzeni kwangaphakathi;④ Ihagu engafanelekanga yenza umonakalo kwindawo yokutywina kwaye ibangela ukuvuza kwangaphakathi;Isihlalo kunye nebhola zivaliwe, kubangela umonakalo wokutywinwa kunye nokuvuza kwangaphakathi xa ivalve ivuliwe kwaye ivaliwe;⑥ Ukutshintsha kwevalve akukho ndawo, kubangela ukuvuza kwangaphakathi.Nayiphi na ivalve yebhola, nokuba injani na indawo evulekileyo okanye evaliweyo, ithande ukuthambeka ngo-2° ukuya ku-3°, nto leyo enokubangela ukuvuza;⑦ Iivalvu ezininzi ezinobubanzi obukhulu zinokubangela ukuvuza.Uninzi lweevalvu zebhola zinezithinteli ze-valve stem.Ukuba zisetyenziswe ixesha elide, umhlwa, uthuli, ipeyinti kunye nolunye ubutyobo luya kuqokelelana phakathi kwesikhondo sevalve kunye nesithinteli sevalve ngenxa yerusi kunye nezinye izizathu.Le nkunkuma iya kuthintela ivalve ekujikelezeni endaweni.Isizathu sokuvuza - ukuba ivalve ingcwatyiwe, ukwandiswa kwesikhondo sevalve kuya kuvelisa kwaye kuwise umhlwa kunye nokungcola okuninzi ukuthintela ibhola yevalve ukuba ijikeleze endaweni, ibangele ukuba ivalve ivuze.Ukuqina okanye ukukhulula umda we-bolt uya kwenza umda ungachanekanga, okubangelwa ukuvuza kwangaphakathi;⑨ Indawo yevalvu ye-actuator yombane isetelwe ngaphambili, kwaye ayivalwanga endaweni, okukhokelela ekuvuzeni kwangaphakathi;⑩ Ukungabikho kokugcinwa kwexesha kunye nokugcinwa kwexesha kuya kubangela ukuba igrisi yokutywina yome, igrisi yokutywina eqinile kunye neyomisiweyo iqokelela emva kwesitulo sevalve e-elastic, ithintele ukuhamba kwesihlalo sevalve kwaye ibangele ukungaphumeleli kwesitywina.

Ivalve yebhola ye-shaft esisigxina isetyenziswa ngokuqhelekileyo kwimibhobho yegesi yendalo.Indlela yokuhlola ngokubanzi yile: jikisa ivalve kwindawo evuleke ngokupheleleyo okanye evalwe ngokupheleleyo, kwaye ujonge ukuba kukho ukuvuza ngokukhutshelwa kombhobho wevalvu womzimba.Ukuba inokukhutshwa ngokucocekileyo, itywina lilungile.Ukuba kukho rhoqo ukukhutshwa koxinzelelo, kunokuqwalaselwa ukuba i-valve ivuza, kwaye i-valve kufuneka iphathwe ngokufanelekileyo.

Inkqubo yonyango yokuvuza kwangaphakathi kwevalve yebhola yegesi yendalo

① Okokuqala jonga umda wevalve ukubona ukuba ukuvuza kwangaphakathi kwevalve kungasombululeka ngokulungelelanisa umda.②Fafa umlinganiselo othile wegrisi kuqala ukuze ubone ukuba iyakunqanda ukuvuza.Ngeli xesha, isantya sokutofa kufuneka sicothe.Kwangaxeshanye, jonga utshintsho lwesalathiso segeyiji yoxinzelelo ekuphumeni kompu wesitofu segrisi ukumisela ukuvuza kwangaphakathi kwevalve.③ Ukuba ukuvuza akunakuyekwa, ukuvuza kwangaphakathi kunokubangelwa kukuqiniswa kwegrisi yokutywina efakwe kwibakala lokuqala okanye ukonakala komphezulu wokutywina.Kucetyiswa ukuba ufake i-valve yokucoca ulwelo ngeli xesha ukucoca indawo yokutywina kunye nesihlalo sevalvu yevalvu.Ngokuqhelekileyo, ifakwe isiqingatha seyure ubuncinane, ukuba kuyimfuneko, inokucwina iiyure ezininzi okanye iintsuku ezimbalwa.Kungcono ukuvula nokuvala ivalve esebenzayo amaxesha amaninzi ngeli xesha.④ Phinda utofe igrisi, vula kwaye uvale ivalve ngokuthe gqolo, kwaye ukhuphe ubumdaka kumqolo ongasemva wesihlalo sevalvu kunye nomphezulu wokutywina.⑤ Jonga indawo evalwe ngokupheleleyo.Ukuba kusekho ukuvuza, tofa igrisi yokutywina eyomeleziweyo, kwaye uvule umngxuma wevalve ukuze uvule, nto leyo enokuvelisa umahluko omkhulu woxinzelelo kunye nokutywinwa.Ngokubanzi, ngokutofa igrisi yokutywina eyomeleziweyo i-Endoleak inokupheliswa.⑥ Ukuba kusekho ukuvuza kwangaphakathi, lungisa okanye ubuyisele isivalo.


Ixesha lokuposa: Jul-09-2022