Ukusetyenziswa kwezixhobo ze-welding kunye ne-gaskets kulondolozo lwevalvu

Ukusetyenziswa kwezixhobo ze-welding kunye ne-gaskets kulondolozo lwevalvu

I-Welding isetyenziselwa ubukhulu becala i-surfacing ye-valve yokutywina indawo, ukulungiswa kwe-welding yeziphene zokuphosa kunye ne-welding yesakhiwo semveliso. Ukukhethwa kwezinto zokudibanisa kuhambelana nendlela yenkqubo, i-arc ye-arc ye-manual, i-plasma yokutshiza i-welding, i-arc i-arc i-welding automatic, i-carbon dioxide gas ikhuselwe i-welding, izinto ezisetyenzisiweyo ziyahluka. Apha sazisa kuphela indlela ye-welding esetyenziswa ngokuqhelekileyo - i-arc welding manual esetyenziswe kwizinto ezahlukeneyo. Izinto zokutywina ezibekwe phezu komhlaba ziye zaziswa kwicandelo lesibini lezinto zangaphakathi, esi sahluko sigxile kwi-welding yokulungisa i-welding, i-arc ye-manual ye-arc ye-welding ye-structural welding of electrode ezahlukeneyo.
Izinto zokuwelda
I-Welding isetyenziselwa ubukhulu becala i-surfacing ye-valve yokutywina indawo, ukulungiswa kwe-welding yeziphene zokuphosa kunye ne-welding yesakhiwo semveliso. Ukukhethwa kwezinto zokudibanisa kuhambelana nendlela yenkqubo, i-arc ye-arc ye-manual, i-plasma yokutshiza i-welding, i-arc i-arc i-welding automatic, i-carbon dioxide gas ikhuselwe i-welding, izinto ezisetyenzisiweyo ziyahluka. Apha sazisa kuphela indlela ye-welding esetyenziswa ngokuqhelekileyo - i-arc welding manual esetyenziswe kwizinto ezahlukeneyo. Izinto zokutywina ezibekwe phezu komhlaba ziye zaziswa kwicandelo lesibini lezinto zangaphakathi, esi sahluko sigxile kwi-welding yokulungisa i-welding, i-arc ye-manual ye-arc ye-welding ye-structural welding of electrode ezahlukeneyo.
Iimfuno ezi-1 ze-welders
I-Welders iya kuphumelela ulwazi olusisiseko kunye novavanyo lokusebenza lwe-Boiler kunye ne-Pressure Vessel Welder Examination Rules eyenziwe nguMphathiswa wezaBasebenzi kunye naBasebenzi beRiphabhlikhi yaBantu baseChina, kwaye babambe isatifikethi sokufaneleka ngaphambi kokubandakanyeka kwimisebenzi ye-welding ngaphakathi kwexesha elisemthethweni.
I-valve yeyesitya soxinzelelo, inqanaba lobugcisa be-welder kunye nenkqubo ye-welding echaphazela ngokuthe ngqo umgangatho wemveliso kunye nemveliso yokhuseleko, ngoko ke kubaluleke kakhulu kwiimfuno ezingqongqo ze-welders, i-welding yinkqubo ekhethekileyo kumashishini okuvelisa i-valve, inkqubo ekhethekileyo kufuneka ibe neendlela ezikhethekileyo, kuquka nabasebenzi. , izixhobo, ulawulo lwempahla kunye nolawulo.
2 Iimfuno zokugcina kwiintonga ze-welding
(1) Nika ingqalelo ukufuma kokusingqongileyo ukuthintela i-electrode kumswakama, ukufuma okunxulumene nomoya kungaphantsi kwama-60%, kwaye ushiye umhlaba kunye nodonga umgama othile (malunga ne-30cm).
(2) ukwahlula uhlobo lwe-electrode, iinkcukacha azikwazi ukubhideka.
(3) Inkqubo yokupakisha ukuthutha kufuneka ilumke ingonakalisi ulusu lweziyobisi, ngakumbi kwi-electrode yensimbi engenasici, i-electrode yentsimbi, njl.
Intonga ye-welding edla ngokusetyenziselwa ukuphosa ukulungiswa kwe-welding kunye ne-structural welding yeemveliso zevalvu
Jonga kwiTheyibhile 1-3-1 ye-welding intonga amabakala aqhelekileyo asetyenziselwa ukuphosa ukulungiswa kwe-welding kunye ne-structural welding yeemveliso zevalvu.
Itheyibhile 1-3-1 amabakala entonga yewelding eqhelekileyo
udidi
uphawu
imodeli
AWS
umgangatho
Intonga ye-carbon steel welding
J422
J502
E4303
E5003
GB/T 5117
J507
*CHE508-1
E5015
E5018-1
E7015
E7018-1
I-electrode yensimbi engenasici
R507
A102
A132
A002
A202
A212
A022
A302
A402
IChromium 202
E1-5MoV-15
E0-19-10-16
E0-19-10Nb-16
E00-19-10-16
E0-18-12Mo2-16
E0-18-12MoNb-16
E00-18-12Mo2-16
E1-23-13-16
E2-26-21-16
E1-13-16
E502-15
E308-16
E347-16
E308L-16
E316-16
E318-16
E316L-16
E309-16
E310-16
E410-16
GB/T 983
Qhuba. I-1-3-1 amabakala entonga ye-welding eqhelekileyo
I-alloy ephantsi yokumelana nobushushu be-electrode yentsimbi
I-R337
E5515-B2-VNb
I-R107
I-R307
I-R407
E5015-A1
E5515-B2
E6015-B3
E7015-A1
E8015-B2
E9015-B3
GB/T 5118
I-electrode yensimbi ephantsi yokudibanisa
707 abantu
E5515-C1
GB/T 5118
907 abantu
E5515-C2
E8015-C2
107 abantu
E7015-G
I-electrode yeMoneli
R-M3NiCu7
I-ERNiCu-7
Intsimbi yentsimbi
H0Cr20Ni10Ti
H0Cr21Ni10
H0Cr19Ni12Mo2
H00Cr21Ni10
H00Cr19Ni12Mo2
GB/T 4241
* I-CHE 508-1 ilingana ne-Chinese electrode factory brand brand GB E5018-1.
1, 2, 3, 4, 1, ukugcinwa kwevalve ende egciniweyo, ukukhangela rhoqo kufuneka kwenziwe, kuba ukuvuza kwendawo yokucubungula kufuneka kucoceke, * * * ukungcola, ukugcinwa kunye nokuphela xa ivalve yebhola kufuneka ivalwe indawo evulekileyo, i-valve yesango, ivalve yeglowubhu, ivalve yokukhangela, iziphelo zetshaneli kufuneka zivaliwe kwaye zivaliwe, zigcinwe ngokucocekileyo kwindawo eyomileyo yangaphakathi kunye neyomileyo, Ukupakisha okanye ukugcinwa okuvulekileyo akuvumelekanga ngokungqongqo.
I-2, ngaphambi kokufakwa, kuyimfuneko ukujonga ngokucophelela ukunyanzeliswa kophawu lwe-valve, nokuba ububanzi buhlangabezana neemfuno, ukuphelisa iziphene ezibangelwa yinkqubo yokuthutha, kunye nokuphelisa ukungcola kweengxenye zevalve.
3. Xa ufaka, i-valve inokufakwa ngokuthe ngqo kwipayipi ngokwendlela yokudibanisa. Ngokuqhelekileyo, inokufakwa kuyo nayiphi na indawo yombhobho, kodwa kufuneka kube lula ukusebenza kunye nokulungiswa. Qaphela ukuba i-flow direction ye-globe valve medium kufuneka ibe phezulu ukusuka ezantsi kwidiski ethe nkqo, kwaye ivalve yokukhangela yokuphakamisa inokufakwa kuphela ngokuthe tye.
I-4, ivalve yebhola, ivalve yeglowubhu, ivalve yesango, ivuleke ngokupheleleyo okanye ivalwe ngokupheleleyo, ayivumelekanga ukulungelelanisa ukuhamba, ukuze ugweme ukutywinwa komhlaba, ukukhawuleza ukunxiba. Kukho isixhobo sokutywina esiguqulweyo kwivalve yesango kunye nevalve yeglowubhu yentambo ephezulu, kwaye ivili lesandla liqinisiwe kwindawo ephezulu ye ** ukunqanda imidiya ekuvuzeni ekupakisheni.
I-5, ivalve yebhola, ivalve yeglowubhu, ivalve yesango ivule kwaye ivale ukusetyenziswa kwe-handwheel, ungasebenzisi iilever okanye ezinye izixhobo, ukuze ungonakalisi ivalve. Ukuba i-handwheel ijikeleza nge-clockwise, ivaliwe, ngaphandle koko, ivuliwe.
I-6, ukupakisha iibholiti ze-gland kufuneka ziqiniswe ngokulinganayo, akufanele zicinezelwe kwisimo esigwenxa, ukwenzela ukuba ungaphazamisi ukunyakaza kwe-stem okanye kubangele ukuvuza.
I-7, i-valve kwinkqubo yokusetyenziswa, kufuneka ihlale icocekile, i-thread thread kufuneka ihlanjululwe rhoqo, ifunyenwe iphoso, kufuneka iyeke ngokukhawuleza ukusebenzisa, fumana isizathu sokungaphumeleli.