Ulwazi lokugcinwa kweevalvu

Ukwenzela iiivalvuisebenza, yonkeivalvuIindawo maziphelele kwaye zingabi nasiphako. Iibholithi ezikwiflange kunye nebracket azinakuphikiswa, kwaye imisonto mayibe yiyo kwaye akukho kukhululeka kuvunyelweyo. Ukuba i-fastening nut kwi-handwheel ifunyenwe ikhululekile, kufuneka iqiniswe ngexesha ukuze kuthintelwe ukukrweleka kwejoyinti okanye ukulahleka kwe-handwheel kunye ne-nameplate. Ukuba i-handwheel ilahlekile, ayivumelekanga ukuyitshintsha nge-wrench ehlengahlengiswayo, kwaye kufuneka igqitywe ngexesha. I-packing gland ayivumelekanga ukuba igobe okanye ingabi nasithuba sokuqinisa kwangaphambili.iivalvukwindawo enokungcoliswa lula yimvula, ikhephu, uthuli, umoya nesanti, isiqu sevalvu kufuneka sixhotyiswe ngesigqubuthelo sokukhusela. Isikali esikwivalvu kufuneka sigcinwe sicocekile, sichanekile kwaye sicacile. Izitywino zelothe, iikhaphu kunye nezixhobo zomoya zevalvu kufuneka ziphelele kwaye ziphelele. Ijakethi yokukhusela akufuneki ibe nazimbobo okanye imifantu.

Akuvumelekanga ukungqongqoza, ukuma okanye ukuxhasa izinto ezinzima kwivalvu esebenzayo; ingakumbi iivalvu ezingezizo ezesinyithi kunyeiivalvu zesinyithi eziphosiweyoazivumelekanga nangakumbi.

Ukugcinwa kwemisebenzi engasebenziyoiivalvu

Ukugcinwa kweevalvu ezingasebenziyo kufuneka kwenziwe kunye nezixhobo kunye nemibhobho, kwaye kufuneka kwenziwe lo msebenzi ulandelayo:

1. Cocaivalvu

Umngxuma ongaphakathi wevalvu kufuneka ucocwe kwaye ucocwe ngaphandle kwentsalela kunye nesisombululo samanzi, kwaye umphandle wevalvu kufuneka ucinywe ngaphandle kokungcola, ioyile,

2. Lungelelanisaivalvuiindawo

Emva kweivalvuilahlekile, impuma ayinakuhlulwa ukuze kwenziwe intshona, kwaye iindawo zevalvu kufuneka zixhotyiswe ngokupheleleyo ukudala iimeko ezilungileyo zokusetyenziswa okulandelayo nokuqinisekisa ukubaivalvuikwimeko entle.

3. Unyango lokulwa nokugqwala

Khupha ukupakisha kwibhokisi yokuzalisa ukuze uthintele ukugqwala kwe-galvanic ye-ivalvuFaka i-antirust agent kunye negrisi kumphezulu wokuvala ivalvu,ivalvuisiqu, i-valve stem nut, umphezulu ocutshungulweyo kunye nezinye iindawo ngokwemeko ethile; iindawo ezipeyintiweyo kufuneka zipeyintwe ngepeyinti yokulwa nokugqwala.

4. Ukhuseleko

Ukuthintela impembelelo yezinye izinto, ukuphathwa kunye nokuqhaqhwa okwenziwe ngumntu, ukuba kuyimfuneko, iindawo ezishukumayo zevalvu kufuneka zilungiswe, kwaye ivalvu kufuneka ipakishwe kwaye ikhuselwe.

5.ukugcinwa rhoqo

  Iivalvuezingasebenzi ixesha elide kufuneka zihlolwe kwaye zigcinwe rhoqo ukuthintela ukugqwala kunye nomonakalo kwiivalvuNgokubaiivalvuEzingasetyenziswa ixesha elide, mazisetyenziswe emva kokuphumelela uvavanyo loxinzelelo kunye nezixhobo, izixhobo kunye nemibhobho.

Ukugcinwa kwezixhobo zombane

Umsebenzi wokulungisa wemihla ngemihla wesixhobo sombane ngokubanzi awukho ngaphantsi kwenyanga. Izinto ezifunekayo kulondolozo zezi:

1. Imbonakalo icocekile ngaphandle kokuqokelelana kothuli; isixhobo asingcoliswanga ngumphunga, amanzi kunye neoyile.

2. Isixhobo sombane sivalwe kakuhle, kwaye umphezulu ngamnye wokuvala kunye nendawo kufuneka ugqibelele, uqine, uqine, kwaye ungavuzi.

3. Isixhobo sombane kufuneka sithanjiswe kakuhle, sithanjiswe ioyile ngexesha elifanelekileyo nanjengoko kufuneka, kwaye i-valve stem nut kufuneka ithanjiswe.

4. Inxalenye yombane kufuneka ibe kwimeko entle, kwaye iphephe ukubola komswakama nothuli; ukuba ifumile, sebenzisa i-megohmmeter ye-500V ukulinganisa ukumelana nobushushu phakathi kwazo zonke iindawo ezithwala umbane kunye neqokobhe, kwaye ixabiso akufuneki libe ngaphantsi kwe-o. Ukomisa.

5. Iswitshi ezenzekelayo kunye ne-thermal relay akufuneki zikhubeke, isibane sesalathisi sibonakala ngokuchanekileyo, kwaye akukho kusilela kokulahleka kwesigaba, i-short circuit okanye i-open circuit.

6. Imeko yokusebenza kwesixhobo sombane iqhelekile, kwaye ukuvulwa nokuvalwa kuyaguquguquka.

Ukugcinwa kwezixhobo zomoya

Umsebenzi wokugcinwa kwemihla ngemihla kwesixhobo somoya ngokubanzi awukho ngaphantsi kwenyanga. Izinto eziphambili ezifunekayo kulondolozo zezi:

1. Imbonakalo icocekile ngaphandle kokuqokelelana kothuli; isixhobo akufuneki singcoliswe ngumphunga wamanzi, amanzi kunye neoyile.

2. Ukuvalwa kwesixhobo somoya kufanele kube kuhle, kwaye imiphezulu kunye neendawo zokutywina kufuneka zigqibelele kwaye ziqine, ziqine kwaye zingonakalanga.

3. Indlela yokusebenza ngesandla kufuneka ithanjiswe kakuhle kwaye ivuleke kwaye ivalwe ngokulula.

4. Izihlanganisi zegesi zokungena kunye nezokuphuma zesilinda azivumelekanga ukuba zonakaliswe; zonke iindawo zesilinda kunye nenkqubo yemibhobho yomoya kufuneka zihlolwe ngononophelo, kwaye akufuneki kubekho ukuvuza okuchaphazela ukusebenza.

5. Umbhobho awuvumelekanga ukuba utshiswe, i-annunciator kufuneka ibe kwimeko entle, isibane sesalathisi se-annunciator kufuneka sibe kwimeko entle, kwaye umsonto odibanisayo we-annunciator yomoya okanye i-annunciator yombane kufuneka uhlale ucocekile ngaphandle kokuvuza.

6. IivalvuIzixhobo ezikwisixhobo somoya kufuneka zibe kwimeko entle, zingavuzi, zivuleke ngokulula, kwaye zibe nomoya ohamba kakuhle.

7. Isixhobo sonke somoya kufuneka sibe kwimeko yokusebenza eqhelekileyo, sivuleke kwaye sivalwe ngokulula.