Indlela yokugcina ngokufanelekileyo kunye nokugcina i-Backup Gate Valves: Iingcebiso zeeNgcali zoKhuseleko lokuBuyisa

Iivalvu zesango lokubuyela umva, iivalve zokungena ngasemva, kunye neevalvu zokuthintela umva zizinto ezibalulekileyo kwimibhobho yamanzi, ukunkcenkceshela, kunye neenkqubo zoshishino. Zikhusela ungcoliseko ngokuthintela ukubuya umva kwamanzi kunye nokuqinisekisa ukuthembeka kwenkqubo. Nangona kunjalo, ukugcinwa kunye nokugcinwa okungafanelekanga kunokuphazamisa ukusebenza kwazo, okukhokelela ekulungisweni kweendleko okanye ukutshintshwa. Kwesi sikhokelo, siza kuphonononga amanyathelo asebenzayo okugcina nokugcina ezi valves ngokufanelekileyo.

ULondolozo lweValve kunye neenkqubo zokuLondoloza

Ukucoca imbonakalo

Sula umphandle wevalve ngeragi ecocekileyo rhoqo ngenyanga ukuze ususe uthuli, i-oyile kunye nobutyobo.
Ukungcola okunzima ukukususa, sebenzisa isicoci esithambileyo, kodwa kuphephe ukusebenzisa imichiza eyonakalisa kakhulu.

Umsebenzi wokuthanjiswa

Faka isixa esifanelekileyo sesithambiso kwimisonto, iishafti kunye nezinye iindawo ezihambayo zevalvu rhoqo ngekota.
Ngaphambi kokufaka isicelo, susa i-lubricant endala kunye nokungcola ebusweni bamacandelo ukuze uqinisekise umphumo wokuthambisa.

Ukuhlolwa kwetywina

Khangela ukusebenza kokutywinwa kwevalve kanye ngenyanga ukujonga ukuba kukho ukuvuza kwimeko evaliweyo.
Unokugweba ukuba umsebenzi wokutywina ulungile na ngokusebenzisa uxinzelelo kunye nokusebenzisa iiarhente zokubona ukuvuza okanye ukujonga amaqamza.

Iinkqubo zokusebenza zogcino

Ukuhlolwa kokuguquguquka komsebenzi

Yenza umsebenzi wezandla kanye emva kweenyanga ezintandathu ukuvavanya ukuguquguquka kunye nokuchasana kwevalve kwiindawo ezivulekileyo nezivaliwe ngokupheleleyo.
Ukuba ufumanisa ukuba utyando lubambekile okanye ukuxhathisa okungaqhelekanga, kufuneka ufumanise unobangela kwaye ujongane nawo kwangethuba.
Ukuhlolwa kwamacandelo

Yenza uhlolo olubanzi lokuqhaqha isivalo rhoqo ngonyaka, ugxininise ekugugekeni kunye nokonakala kwesikhondo sevalve, undoqo wevalvu kunye nesitulo sevalvu.
Qinisekisa ukuba akukho mikrwelo nomhlwa kumphezulu wesikhondo sevalve. Impahla encinci inokucolwa; ukuba i-valve core kunye nesihlalo sevalve zigugile kakhulu, zidliwe okanye zikhubazekile, kufuneka zitshintshwe ngexesha.
Unyango lwe-anti-corrosion

Kwiivalvu ezivezwe kwindawo efumileyo okanye eyonakalisayo, i-anti-corrosion coating kufuneka ihlolwe kwaye ilungiswe rhoqo.
I-Hot-dip galvanizing, ukupenda kunye nezinye iindlela zingasetyenziselwa ukukhusela ukuqinisekisa ukuba i-valve inokugcina ukusebenza kakuhle kwiindawo ezinzima.
Uvavanyo loxinzelelo

Iivalve ezisanda kufakwa okanye ezilungisiweyo kufuneka zivavanywe uxinzelelo ngaphambi kokuba zisetyenziswe ukuqinisekisa ukusebenza kwazo ngokhuseleko.
Kwiivalve ezisebenza ngokuqhelekileyo, kucetyiswa ukuba kwenziwe uvavanyo loxinzelelo rhoqo emva kweminyaka eyi-1-2 ukuqinisekisa ukuba ukusebenza kwazo kuzinzile kwaye kunokwethenjelwa.
Ukurekhoda kunye nokugcinwa kwedatha

Yenza iirekhodi ezineenkcukacha zomsebenzi ngamnye wokugcinwa nokugcinwa, kubandakanywa ixesha lokusebenza, abasebenzi, umxholo, iingxaki ezifunyenweyo kunye neziphumo zonyango.
Gcina ngokufanelekileyo iirekhodi ezifanelekileyo ukuququzelela uhlalutyo lwexesha elizayo kunye nokuphuculwa kokusetyenziswa kwevalvu kunye nomsebenzi wokulondoloza.

Xa usenza imisebenzi yokugcina i-valve kunye nokugcinwa, yonke imimiselo yokhuseleko kufuneka igcinwe ngokungqongqo. Ngaphambi kokusebenza, kufuneka kuqinisekiswe ukuba inkqubo iyeke ngokupheleleyo ukusebenza kwaye uxinzelelo luye lwakhululeka. Ngelo xesha, umqhubi kufuneka abe nezakhono zobuchule ezihambelanayo kunye namava acebileyo ukuqinisekisa ukhuseleko kunye nokusebenza komsebenzi wokulondoloza.

Amanqaku okugcinwa kunye nokulungiswa kweentlobo zevalve eziqhelekileyo

Ivalve yesango:

Ngethuba lokugcinwa, i-valve yesango kufuneka igcinwe kwigumbi elomileyo kunye nelomoya, kwaye zombini iziphelo zendlela kufuneka zivaliwe. Jonga rhoqo ukunxiba kwendawo yokutywina kunye nentambo ye-trapezoidal, susa ukungcola ngexesha kwaye usebenzise ioli echasene ne-rust. Emva kokufakela, qiniseka ukwenza uvavanyo lokusebenza lokutywina.

Ngexesha lokugcinwa, ukuba indawo yokutywina igugile, isizathu kufuneka sifumaneke kwaye unyango oluhambelanayo okanye ukutshintshwa kweengxenye kufuneka lwenziwe. Kwangaxeshanye, qinisekisa ukuba isango likwimeko evuleke ngokupheleleyo okanye evalwe ngokupheleleyo, gwema ukulisebenzisa ukulungelelanisa ukuhamba, ukuze kuthintelwe ukhukuliseko kunye nokukhawuleza ukunxiba kwendawo yokutywina. Ivili lesandla kufuneka lisetyenziselwe ukusebenza kokutshintsha, kwaye umgaqo wokujikeleza kwe-clockwise ukuvala kunye nokujikeleza kwe-counterclockwise ekuvuleni kufuneka kulandelwe.

Ivalve yeglobhu:

Indlela yokulondoloza iyafana naleyo yevalve yesango, kodwa ingqwalasela kufuneka ihlawulwe kwindlela yokuhamba kwamanzi ngexesha lofakelo ukuqinisekisa ukuba ulwelo luhamba ngevalve ukusuka ezantsi ukuya phezulu. Yigcine icocekile ngexesha lokusetyenziswa kwaye wongeze i-lubricant kumsonto wothumelo rhoqo.

Ngexesha lokugcinwa, ivalve yeglowubhu inomsebenzi othembekileyo wokuvala ngenxa yokuba isiqu sevalve yevalve yeglowubhu inesibetho esifutshane sokuvula okanye sokuvala. Isihlalo sevalve kunye nediski yevalve ngokuqhelekileyo kulula ukuyilungisa okanye ukuyibuyisela ngaphandle kokususa ivalve yonke kumbhobho. Ngexesha elifanayo, qaphela ukuba ugweme ukunyanzeliswa kokusebenza ngokugqithisileyo ekunciphiseni ukunxiba komatshini kwindawo yokutywina.

Ivalve yebhabhathane:

Gcina ucocekile ngexesha lolondolozo kwaye rhoqo wongeza igrisi yokuthambisa kwiindawo zothumelo. Ezinye iivalve zebhabhathane zizaliswe yi-molybdenum disulfide lubricating paste, ekufuneka yongezwe rhoqo ukuze kuqinisekiswe ukusebenza kokutywinwa.

Ngethuba lokugcinwa, iivalve zebhabhathane eziqhelekileyo zimbini iindidi: uhlobo lwe-wafer kunye nohlobo lwe-flange. Kwimeko evuleke ngokupheleleyo, ubukhulu bepleyiti yebhabhathane kukuphela kokumelana nendawo ephakathi ukuba ihambe kumzimba wevalvu, ngoko ke ukuhla koxinzelelo okwenziwa yivalve kuncinci, kwaye kuneempawu zokulawula ukuhamba kakuhle. Ukuba impazamo ifunyenwe, yeka ukuyisebenzisa ngokukhawuleza kwaye ufumane unobangela.

Ivalve yebhola:

Xa ugcinwe ixesha elide, qiniseka ukuba zombini iziphelo zivaliwe kwaye zikwimeko evulekileyo. Gcina ucocekile ngexesha lokusetyenziswa kwaye wongeze i-lubricant kwimicu yokuhambisa rhoqo. Kwangaxeshanye, kuphephe ukuyisebenzisa kwindawo evuleke kancinci ukuthintela impembelelo yolwelo kwivalvu.

Ngethuba lokugcinwa, i-valve yebhola inokuvulwa ngokupheleleyo okanye ivalwe ngokupheleleyo. Akuvumelekile ukuba kusetyenziswe ukulungelelanisa ukuhamba ukukhusela ukukhukuliseka kunye nokukhawuleza kokugqoka kwendawo yokutywina.
Ukongeza, kukho ezinye iingcebiso zokugcinwa kunye nokulungiswa kweevalvu zokutshekisha:

I-valve yokutshekisha kufuneka igcinwe kwigumbi elomileyo kunye nelomoya ukukhusela i-debris ukuba ingene kwisakhiwo sayo sangaphakathi kwaye ibangele umonakalo; ukuvuleka kwesiteshi kuzo zombini iziphelo kufuneka kutywinwe ngentloko ukugcina ukusebenza kwayo kakuhle kokutywinwa.

Ukujonga iivalve ezigcinwe ixesha elide kufuneka zihlolwe rhoqo, ukungcola kwindawo yazo yangaphakathi kufuneka kususwe, kwaye ibhotela kufuneka isetyenziswe ngokulinganayo kwindawo ecutshungulwayo ukuze ikhuseleke.

Ubume bokusebenza kwe-valve yokukhangela ekusebenzeni kufuneka kwakhona kuhlolwe rhoqo ukuze kubonwe kwaye kupheliswe iimpazamo ezincinci ngexesha. Ukuba kukho impazamo enkulu, kufuneka isuswe ukuze igcinwe. Emva kokuba ukuhlolwa nokugcinwa kugqityiwe, uvavanyo lokutywinwa kufuneka luqhutywe kwakhona, kwaye imeko yesiphoso kunye nenkqubo yokuhlola kunye nokugcinwa kufuneka ibhalwe ngokucacileyo.

Kwi-valve yokukhangela i-muffler, ngexesha lokugcinwa kunye nokuthutha, iindawo zokuvula kunye nokuvala kufuneka ziqinisekiswe ukuba zikwimeko evaliweyo, kwaye kufuneka kuthathwe amanyathelo alandelayo ukukhusela:

I-disc ye-valve kufuneka ilungiswe kwindawo evulekileyo.

Sebenzisa iibhodi ze-foam ukuthintela ukuvuleka kwangaphakathi kuzo zombini iziphelo zobubanzi kwaye uzibophe ngokuqinileyo kunye nezigqubuthelo ezingaboniyo ukukhusela uthuli kunye nomhlwa, ngelixa ugcina umjelo ucocekile kwaye isiphelo somphezulu sithe tyaba.

Ukupakisha ngokufanelekileyo kwaye ukhusele inxalenye yesilinda ukuqinisekisa ukuba inomsebenzi wokukhusela kunye nokukhusela ukungqubana.

Xa ibekwe, kufuneka igcinwe izinzile, qinisekisa ukuba isixhobo se-pneumatic drive sijonge phezulu, kwaye ugweme ukucudisana.

Xa ibekwe ixesha elide, ukungcola kunye nokugqwala kwiitshaneli ezimbini kunye nokutywinwa kwendawo kunye nokukhuselwa kwe-port welding kufuneka kuhlolwe rhoqo kwiinyanga ezintathu. Emva kokususa ukungcola kunye nokugqwala, ioli ye-anti-rust kufuneka iphinde isetyenziswe ukukhusela.

Umsebenzi oyintloko we-valve yokukhangela kukuthintela ukubuya kwe-medium, ngoko kufuneka ifakwe ngokubanzi kwizixhobo, izixhobo kunye nemibhobho. Iivalve zokujonga i-Silencer zidla ngokufanelekileyo kwimidiya ecocekileyo kwaye akufanele isetyenziswe kwimidiya equkethe amasuntswana aqinileyo kunye ne-viscosity ephezulu. Kwimibhobho ethe tyaba enobubanzi obuyi-50mm, kuyacetyiswa ukuba kusetyenziswe iivalvu zokujonga ukuthulisa ngokuthe nkqo.

Ukuthintela ivalve ukuba ingagqwali, amanyathelo kufuneka athathwe njengokugalela rhoqo i-oyile ye-anti-rust okanye igrisi kumphezulu womzimba wevalve, ngakumbi kwindawo efumileyo. Ngexesha elifanayo, khangela rhoqo ukuba i-fasteners ye-valve ikhululekile kwaye igxininise ngexesha. Izitywina zizinto eziphambili zokuqinisekisa ukusebenza kokutywinwa kwee-valve kwaye kufuneka zitshintshwe rhoqo. Ngokuqhelekileyo kucetyiswa ukuba utshintshe yonke iminyaka eyi-1-2, kwaye izitywina ezihambelana nemodeli yevalve kufuneka zikhethwe xa kutshintshwa.

Ugcino:

Iimpazamo eziqhelekileyo kunye nezisombululo zezi zilandelayo:

Idiskhi yevalvu yophukile: Oku kudla ngokubangelwa uxinzelelo oluphakathi ngaphambi nangemva kokuba i-valve yokukhangela isondele kwi-balance and "seesawing" enye kwenye, okubangelwa ukubethelwa rhoqo kwediski ye-valve kunye nesihlalo se-valve. Ukuthintela le mpazamo, kucetyiswa ukuba usebenzise i-valve yokutshekisha nge-disc ye-valve eyenziwe ngezinto ezinzima.
Ukubuyela umva kwemidiya: Oku kunokubangelwa ngumonakalo kwindawo yokutywina okanye ukungcola okubanjiweyo. Isisombululo esihambelanayo kukulungisa umphezulu wokutywina kunye nokucoca ukungcola.
Xa usenza ukugcinwa kunye nokulungiswa kwe-valve yokutshekisha, isinyathelo sokuqala kukuvala i-valve kwaye unqumle ukunikezelwa kwamandla ukuqinisekisa ukusebenza okukhuselekileyo. Ngexesha elifanayo, izicwangciso zokulondoloza ezihambelanayo kufuneka zenziwe kwiintlobo ezahlukeneyo zeevalve kunye neendawo zokusetyenziswa. Ukuba ufumana iimpazamo ezinzima okanye iingxaki ezinzima, kuyacetyiswa ukuba ufune inkxaso kwiingcali zeengcali okanye uqhagamshelane nomvelisi ukuze ufumane isikhokelo esingaphezulu.

Ngexesha lokulungisa nokulungiswa, nikela ingqalelo kwezi ngxaki zilandelayo:

Ugcino lwenxalenye yothumelo: Qwalasela iindawo zothumelo rhoqo kwaye wongeze igrisi yokuthambisa kwangethuba ukuthintela ukuguga okanye ukuxinana ngenxa yokungonelanga kokuthambisa.

Izilumkiso zenaliti yegrisi: Lawula ubungakanani benaliti yegrisi, bala ngokuchanekileyo umthamo wokutywina ngokobungakanani bevalve kunye nohlobo, kwaye utofe isixa esifanelekileyo segrisi. Kwangaxeshanye, nikela ingqalelo kuxinzelelo lwenaliti yegrisi, luphephe ukuba luphezulu kakhulu okanye lubephantsi kakhulu, kwaye luhlengahlengise ngokwemeko yokwenyani, njengokutshintsha umngxuma wegrisi okanye ukusebenzisa ulwelo lokucoca ukuthambisa kunye nokwenza lukhuni igrisi yokutywina kunye nokutofa igrisi entsha.

Ukugcinwa kokupakisha: Ukupakisha yinxalenye ephambili yokuqinisekisa ukutywinwa kwevalve. Ukuthintela ukuvuza, kunokufezekiswa ngokuqinisa ngokufanelekileyo amantongomane kumacala omabini e-gland yokupakisha, kodwa qaphela ukuba ugweme ukuqiniswa ngokugqithiseleyo ngexesha elinye ukukhusela ukupakisha ekulahlekelweni kwayo.

Ukuhlolwa kwemihla ngemihla: Khangela ukuba ingaba zonke iindawo zesivalo zichanekile kwaye zigqibelele, nokuba iibholithi zeflange kunye nezibiyeli ziqinisiwe kwaye zigqibelele. Kwangaxeshanye, qaphela ukuba isikali sevalve, isitywina sokukhokela, ikepusi kunye nezixhobo zomoya zilungile.

Kuphephe ukusebenza ngokungafanelekanga: Akuvumelekanga ngokungqongqo ukubetha i-valve okanye ukuyisebenzisa njenge-cushion ukubetha ezinye izinto, kwaye ugweme ukuma kwi-valve okanye ukuxhasa izinto ezinzima. Ivalve esebenzayo kufuneka igwenywe ekunkqonkqozeni. Xa uhlambulula umbhobho wenkqubo, kuyimfuneko ukunikela ingqalelo ukuba iiparitha zenkqubo ezithwalwa yivalve zingaphakathi koluhlu oluvumelekileyo ukukhusela umonakalo kwi-valve yokupakisha kunye nomzimba.

Ukusingatha imeko ekhethekileyo: Xa usebenzisa ivalve yomphunga, kufuneka uyivule kancinci ukukhupha amanzi ajiyileyo, emva koko uyivule ngokuthe chu kwaye uyibuyisele umva ivili lesandla kancinci ukuqinisekisa ukuqina. Kwindawo yokushisa ephantsi, kuyimfuneko ukususa amanzi adibeneyo kunye namanzi aqokelelwe kwi-steam kunye neevalve zamanzi ukukhusela ukukhenkceza kunye nokuqhekeka. Xa ubushushu be-valve yobushushu obuphezulu bukhuphuka bube ngaphezu kwe-200 ° C, iibholiti kufuneka "zitshise" ukuze kugcinwe ukutywinwa, kodwa lo msebenzi akufanele wenziwe xa i-valve ivalwe ngokupheleleyo.

Ukugcinwa kunye nokulungiswa kwevalve kubalulekile ekusebenzeni kwayo okuzinzile, ukwandiswa kobomi kunye nokuthintela ukuvuza. Ukuba awuqhelananga nesakhiwo okanye ukusebenza kwe-valve, kuyacetyiswa ukuba ufune uncedo lwabachwephesha beengcali. Ukongezelela, kuyimfuneko ukwenza umsebenzi osemgangathweni kunye nokugcinwa ngokuhambelana nencwadana yevalve kunye nemigangatho efanelekileyo.

Iintlobo zevalve ezisetyenziswa ngokuqhelekileyo kunye neempawu zazo kwiitanki zokunyanga amanzi amdaka

Kwintsimi yokucocwa kwamanzi amdaka, iivalve zizixhobo eziphambili, kwaye ukukhetha kunye nokugcinwa kwazo kuchaphazela ngokuthe ngqo ukuzinza kunye nokusebenza kakuhle kwenkqubo yonke. Eli nqaku liza kwazisa iindidi ezininzi zevalvu ezisetyenziswa ngokuqhelekileyo kwiitanki zokucoca ugutyulo, kubandakanywa neempawu zazo zesakhiwo, imigaqo yokusebenza kunye neemeko ezisebenzayo, ukukunceda uqonde ngcono kwaye usebenzise ezi valve.