Ukufakwa kweevalve zebhola ezidityanisiweyo ngokupheleleyo
(1) Ukuphakamisa. Ivalve kufuneka iphakanyiswe ngendlela echanekileyo. Ukukhusela isiqu sevalve, musa ukubopha ikhonkco lokunyusela kwivili lesandla, kwibhokisi yegiya okanye kwi-actuator. Musa ukususa iminqwazi yokukhusela kuzo zozibini iziphelo zomkhono wevalvu phambi kokuba welding.
(2) Ukuwelda. Uqhagamshelo kunye nombhobho oyintloko udityanisiwe. Umgangatho we-welding seam kufuneka uhlangabezane nomgangatho othi "Radiography of Welded Joints of Disk Flexion Fusion Welding" (GB3323-2005) iBakala II. Ngokuqhelekileyo, i-welding enye ayinakuqinisekisa ngokupheleleyo zonke iziqinisekiso. Ngoko ke, xa uyala ivalve, umenzi kufuneka acele umenzi ukuba afake i-1.0m kuzo zombini iziphelo zevalve. I-tube ye-sleeve, xa i-welding seam ingafanelekanga, kukho ubude obaneleyo bokunqumla i-welding seam engafanelekanga kunye ne-weld kwakhona. Xa ivalve yebhola kunye nombhobho zidityanisiwe, ivelufa ifanele ibe kwindawo evuleke ngokupheleleyo nge-100% ukukhusela ivalve yebhola ukuba yonakaliswe kukutshiza kwe-slag ye-welding, kwaye kwangaxeshanye uqinisekise ivalve Ubushushu betywina elingaphakathi alidluli kwi-140 degrees Celsius, kwaye amanyathelo okupholisa afanelekileyo anokuthathwa ukuba kuyimfuneko.
(3) Ukwakhiwa kwevalufa kakuhle. Yamkela uyilo olukhethekileyo lolwakhiwo kwaye ineempawu zokungagcini. Ngaphambi kokuba ungcwatywe, sebenzisa i-Pu ekhethekileyo yokukhusela i-corrosion ngaphandle kwevalve. Isiqu sevalve sandiswe ngokufanelekileyo ngokobunzulu bomhlaba, ukuze abasebenzi bagqibezele imisebenzi eyahlukeneyo emhlabeni. Emva kokuba kungcwatywe ngokuthe ngqo, kwanele ukwakha i-valve encinci yesandla kakuhle. Kwiindlela eziqhelekileyo, azikwazi ukungcwatywa ngokuthe ngqo, kwaye kufuneka kwakhiwe amaqula amakhulu e-valve, okubangela ukuba kubekho indawo evaliweyo eyingozi, engafanelekanga ekusebenzeni okukhuselekileyo. Kwangaxeshanye, umzimba wevalve ngokwawo kunye neendawo zokuqhagamshelwa kwebholithi phakathi komzimba wevalve kunye nombhobho ziya konakala, nto leyo eya kuchaphazela ubomi benkonzo yevalve.
Yintoni ekufuneka ithathelwe ingqalelo ekugcinweni kwevalve yebhola edityanisiweyo ngokupheleleyo?
Ingongoma kukuba kwimeko evaliweyo, kusekho ulwelo olucinezelekileyo ngaphakathi kumzimba wevalve.
Inqaku lesibini kukuba ngaphambi kokugcinwa, okokuqala ukhulule uxinzelelo lombhobho kwaye ugcine ivalve kwindawo evulekileyo, emva koko unqumle amandla okanye umthombo wegesi, kwaye emva koko ukhuphe i-actuator kwi-bracket, kwaye emva kokuba zonke ezi ngasentla zingalungiswa.
Inqaku lesithathu kukufumanisa ukuba uxinzelelo lwemibhobho ephuma phezulu nasezantsi yevalve yebhola iyakhululeka, emva koko ukuqhawuka kunye nokubola kunokwenziwa.
Amanqaku amane kufuneka alumke kwinkqubo yokuqhawula kunye nokudibanisa kwakhona, ukukhusela umonakalo kwindawo yokutywinwa kwamacandelo, ukusebenzisa izixhobo ezikhethekileyo zokususa i-O-ring, kunye nokuqinisa iibholithi kwi-flange ngokulinganayo kwaye ngokuthe ngcembe kwaye ngokulinganayo ngexesha lokudibanisa.
Amanqaku amahlanu: Xa ucoca, i-ejenti yokucoca esetyenzisiweyo kufuneka ihambelane neendawo zerabha, iiplastiki, iindawo zetsimbi kunye nokusebenza okuphakathi kwi-valve yebhola. Xa i-medium yokusebenza i-gas, i-petroli ingasetyenziselwa ukucoca iindawo zetsimbi, kunye ne-non-metallic parts, kufuneka usebenzise amanzi acocekileyo okanye utywala ukucoca. Iindawo ezibolileyo zodwa zicocwa ngokuhlamba emanzini, kwaye iindawo zetsimbi zamalungu angeyiyo intsimbi engakhange ziboliswe zixutywe ngelaphu lesilika elicocekileyo nelicolekileyo elifakwe kwi-agent yokucoca, kwaye yonke igrisi ebambelele eludongeni kufuneka isuswe. , ubumdaka nothuli. Kwakhona, ayikwazi ukuhlanganiswa ngokukhawuleza emva kokucoca, kwaye inokuqhutywa kuphela emva kokuba i-arhente yokucoca iphelile.
Ixesha lokuposa: Dec-22-2022