Iimfuno zofakelo lwevalvu yombhobho indlela yokujongana nesixhobo sokufaka umbhobho wevalve yesikhenkcisi “baleka, baleka, uthontsize, uvuze”?

Iimfuno zofakelo lwevalvu yombhobho indlela yokujongana nesixhobo sokufaka umbhobho wevalve yesikhenkcisi “baleka, baleka, uthontsize, uvuze”?

Ziziphi iimfuno zokufakelwa kweevalve zemibhobho? Ngaba kuyimfuneko ukuhlangabezana neemfuno ezithile zofakelo?
1. Xa ufaka, nikela ingqalelo kwisalathiso sokuhamba kwe-medium kufuneka ihambelane nesalathiso sotolo lwe-valve body.
2. I-valve yokukhangela iya kufakwa ngaphambi kokuba i-condensate ingene kumbhobho oyintloko wokubuyisela emva komgibe ukukhusela i-condensate ekubuyeni.
I-3, ivalve yentonga ayinakungcwatywa isixhobo, xa kukho ukubola kwesiqu. Kwi-gutter ene-cover plate, i-valve kufuneka ifakwe kwindawo apho ukugcinwa kunye nokuhlolwa kunye nokusebenza kukulungele.
4, ezinye iimfuno zivale xa impembelelo yogwayimbo lwamanzi incinci ngokwentelekiso okanye ingekho umbhobho woqhankqalazo lwamanzi, olona khetho lulungileyo lokuvala ngokucothayo ivalve yokukhangela ibhabhathane, ivalve yokujonga ujingi yokuvala ngokucothayo.
5. Xa ufaka i-valve ene-threaded, kuyimfuneko ukuqinisekisa ukuba imicu ilungile, kwaye ifakwe ngokupakisha okutywiniweyo ngokwemidiya eyahlukeneyo. Xa uqiniswa, kuyimfuneko ukunyanzelisa ngokulinganayo ukuphepha umonakalo kwi-valve kunye nezixhobo ze-valve.
6. Xa ufaka i-valve ye-welding yohlobo lwe-socket, i-socket kufuneka ibe ne-gap ye-12m ukukhusela uxinzelelo lwe-thermal ngexesha le-welding ekwandiseni kunye nokuqhekeka kwe-weld.
7. Xa ifakwe kumbhobho othe tye, isiqu kufuneka siphakame phezulu okanye sithambekele kwi-Angle ethile, kwaye isiqu asivumelekanga ukuba sifakwe phantsi.
I-8, i-valve ye-butt kunye nombhobho wokudibanisa i-weld ezantsi kufuneka isebenzise i-argon ye-arc welding, i-welding kufuneka ivule i-valve ukuthintela ukuguquka kokushisa.
I-9, ngaphambi kokufaka umgibe, qiniseka ukusebenzisa umphunga woxinzelelo ukuze uhlambulule umbhobho, inkunkuma kumbhobho.
I-10, i-steam trap musa ukufaka kuthotho.
I-11, i-valve yokukhangela uhlobo lwe-diaphragm isoloko isetyenziselwa ukuvelisa ugwayimbo lwamanzi kumbhobho, kuba i-diaphragm inokuba yinto entle kakhulu ukuphelisa i-countercurrent ephakathi xa uqhankqalazo lwamanzi, kodwa inqunyelwe ngamaqondo obushushu kunye noxinzelelo, esetyenziswa ngokubanzi kubushushu obuphantsi begumbi. umbhobho.
I-12, umgibe kufuneka ufakwe phambi kokucoca, ukuqinisekisa ukuba umgibe awuvalwanga yimfucumfucu yombhobho, uhlambulule rhoqo isihluzo.
13. Iivalvu ezidityaniswe neeflange kunye nemicu kufuneka zivaliwe ngexesha lofakelo.
I-14, isikhokelo sokuhamba kwe-condensate kufuneka sihambelane nophawu lotolo lofakelo lomgibe.
I-15, umgibe kufuneka ufakwe kwi-outlet ephantsi yesixhobo, ukukhutshwa ngexesha elifanelekileyo lamanzi adibeneyo, ukuphepha umbhobho wokumelana nomphunga.
16. Xa ufaka i-valve ene-flanged, iziphelo ezimbini ze-flange kufuneka zihambelane kwaye zigxininise.
I-17, ngaphambi nangemva komgibe wokufaka i-valve, umgibe ofanelekileyo nanini na ukuba uthabathe ukulungiswa.
I-18, umgibe womatshini oza kufakwa ngokuthe tye.
I-19, yafumanisa ukuba i-steam yomgibe, ukukhupha ngexesha kunye nokucoca isihluzo, ngokuhambelana nokusetyenziswa kwangempela kokuhlolwa rhoqo, kwimeko yokulungiswa kwesiphoso nangaliphi na ixesha.
I-20, musa ukwenza i-valve yokukhangela ubunzima bebhere kumbhobho, i-valve yokukhangela enkulu kufuneka ibe ** * ixhaswe, ukwenzela ukuba ingachaphazeleki kuxinzelelo oluveliswa yinkqubo yombhobho.
21. Umbhobho oyintloko wokubuyisela i-condensate emva kokuba umgibe awukwazi ukunyuka, oya kwandisa uxinzelelo lwangemva lomgibe.
22. Ukuba umgibe awufakwanga kwindawo ephantsi kwesixhobo, i-bend reverse kufuneka yongezwe kwindawo ephantsi yokukhutshwa kwamanzi, kwaye inqanaba le-condensate liphakanyiswe ngaphambi kokufaka umgibe ukuze ugweme ukuxhathisa umphunga.
I-23, umbhobho wokukhupha umgibe akufanele ufakwe emanzini.
24. Ukuba kukho ukubuyiswa kwe-condensate emva komgibe, umbhobho wokukhupha umgibe kufuneka uqhagamshelwe kumbhobho oyintloko ngaphezu kombhobho oyintloko wokubuyisela ukunciphisa uxinzelelo lwasemva kunye nokukhusela i-reflux.
25 Isixhobo ngasinye sixhotyiswe ngomgibe waso.
I-30, uhlobo lokuphakamisa ivalve yokukhangela i-flap ethe tye kufuneka ifakwe kumbhobho othe tye.
I-31, efakwe kwi-trap yombhobho we-steam, umbhobho oyintloko wokumisa i-close to radius ye-condensate yamanzi eqokelelweyo engundoqo, kwaye emva koko iholele kumgibe ngombhobho omncinci.
32, ukuba kukho ukubuyiswa kwe-condensate emva komgibe, kuyimfuneko ukwahlula ukubuyiswa kombhobho wamanqanaba ahlukeneyo oxinzelelo.
I-33, i-valve yokukhangela i-vertical flap kufuneka ifakwe ngokuthe nkqo.
I-34, umgibe womatshini awusetyenziswanga ixesha elide, kufuneka ususe i-screw ye-drain, amanzi ngaphakathi kokukhululwa, ukukhusela ukukhenkceza.
I-35, i-trap thermostatic ngaphambi kwesidingo semitha engaphezu kweyodwa ye-thermal insulation ye-supercooled pipe, ezinye iindlela zomgibe kufuneka zisondele kangangoko kunokwenzeka kwisixhobo.
Indlela yokujongana nesixhobo sokufaka umbhobho wevalve yesikhenkcisi "baleka, baleka, uwise, uvuze"? Eyona ndlela ilungileyo yokujongana “nokuqhuba, ukudubuka, ukuvuza, ukuvuza” kweevalvu zemibhobho yesikhenkcisi kukuthintela. Indlela yokufumana ingxaki kwaye uphephe ingozi ngaphambi kokungaphumeleli kwevalve? Emva koko, kufuneka senze oku kulandelayo:
Eyona ndlela ilungileyo yokujongana “nokuqhuba, ukudubuka, ukuvuza, ukuvuza” kweevalvu zemibhobho yesikhenkcisi kukuthintela. Indlela yokufumana ingxaki kwaye uphephe ingozi ngaphambi kokungaphumeleli kwevalve? Emva koko, kufuneka senze oku kulandelayo:
1, ukuthintela ukuvuza kwamanzi evalve, ukuvuza komphunga
Zonke iivalve kufuneka zivavanywe nge-hydraulically kumabakala ahlukeneyo emva kokungena kumzi-mveliso.
Iivalvu ezifuna ukuchithwa kufuneka zibe phantsi.
Kwinkqubo yokulungiswa ngokugqithiseleyo, kuyimfuneko ukujonga ngokucophelela ukuba ingcambu ye-pan yongezwa kunye nokuba i-pan root gland iqinisiwe.
Ivalve phambi kofakelo kufuneka ijonge ukuba kukho uthuli, isanti, i-iron oxide kunye nezinye ii-sundries ngaphakathi kwevalve. Ukuba kukho naziphi na ezi zingentla kufuneka zicocwe phambi kofakelo.
Zonke iivalve kufuneka zifakelwe izikhewu zomgangatho ofanelekileyo phambi kokufakwa.
Xa ufaka umnyango we-flange, i-fasteners kufuneka iqiniswe, kwaye xa uqinisa iibholiti ze-flange, kufuneka ziqiniswe ngendlela ehambelanayo.
KWINKQUBO YOKUFAKA i-valve, ZONKE iivalve kufuneka zifakwe ngokuchanekileyo ngokwenkqubo kunye noxinzelelo, kwaye ukufakela okungahleliwe kunye nokuxutywayo akuvumelekanga ngokungqongqo. Ngenxa yale njongo, zonke iivalve kufuneka zifakwe iinombolo kwaye zirekhodwe ngokwenkqubo ngaphambi kokufakwa.
2. Thintela ukuvuza kweoyile kunye nokusebenza kweoyile
Inkqubo enetanki yokugcina i-oyile kufuneka ihlolwe ngononophelo kwaye icocwe phambi kokufakwa.
Uvavanyo lwe-Hydrostatic kufuneka lwenziwe kwisixhobo esine-oyile epholileyo.
Uvavanyo lwe-Hydrostatic kunye nokuchola kufuneka kwenziwe kwakhona kwisixokelelwano semibhobho yeoli.
Onke amakhonkco aneflanged okanye uqhagamshelo oluphilayo kunye neentambo zocingo kufuneka zifakelwe irubha enganyangekiyo kwi-oyile ye-MATS okanye i-Whetstone MATS ngexesha lofakelo lomgca we-oyile.
Amanqaku okuvuza kwenkqubo yeoli agxininiswe kakhulu kwi-flange kunye ne-threaded live joints, ngoko ke iibholiti kufuneka ziqiniswe ngokulinganayo xa ufaka i-flange. Thintela ukuvuza kuqine okanye kunqande imeko.
Kwinkqubo yokucoca ioli, abasebenzi bokwakha kufuneka banamathele kwimisebenzi yabo ngamaxesha onke, kwaye akuvunyelwe ukukhupha isithuba kunye nomtya kwisithuba.
Ukutshintshwa kwephepha lokucoca ioli kuyimfuneko ukumisa indlela yokucoca ioli.
Xa ufaka umbhobho wokudibanisa i-oyile yethutyana (** i-plastic transparent hose), umdibaniso kufuneka ubotshwe ngocingo olulothe ngokuqinileyo ukukhusela isenzeko sokutsiba kunye nokubaleka kweoli emva kokuba isihluzo se-oyile sihamba ixesha elide.
Ukusasazwa kwabasebenzi abanoxanduva lokwakha ukuze bajonge umsebenzi wesihluzo se-oyile.
Phambi kokuba ujikelezo lwe-oyile yenkqubo ye-oyile ye-oyile iqale, iSebe lobuNjineli liya kuququzelela ukubhengezwa okuneenkcukacha kobugcisa kubasebenzi abaphetheyo kujikelezo lwe-oyile ye-injini encedisayo.
3, thintela izixhobo kunye nombhobho wokudibanisa i-bubble yomhlaba odibeneyo, ukuxubha, ukuvuza, ukuvuza
Kwii-gaskets ze-flange ngaphezulu kwe-2.5Mpa, ii-gaskets ezijikelezayo zesinyithi zamkelwa.
I-1.0Mpa-2.5Mpa flange gasp, isebenzisa i-asbestos gasp, kwaye iqatywe ngomgubo omnyama welothe.
Igasket yeflange yombhobho wamanzi ongaphantsi kwe-1.0Mpa iya kuba yigasket yerabha kwaye iqatywe ngomgubo omnyama welothe.
Impompo yediski yamanzi ingcambu isebenzisa i-PTFE fiber composite disc root.
Kwiindawo ezivaliweyo zomsi kunye nemibhobho yamalahle omoya, intambo ye-asbestos kufuneka ijijelwe kwaye yongezwe kwindawo edibeneyo ngokutyibilikayo ngexesha elinye. Kunqatshelwe ngokungqongqo ukuyongeza ngamandla emva kokuqinisa izikhonkwane.
4. Thintela ukuvuza kwevalvu
Ukwakhiwa kofakelo lwemibhobho, kufuneka kumisele ulwazi olusemgangathweni olulungileyo, ucoce ngokucophelela i-oxide yentsimbi kunye nodonga lombhobho, ungashiyi i-sundries, uqinisekise ukuba udonga lombhobho lucocekile.
Okokuqala, qinisekisa ukuba iivalve ezingena kwisiza kufuneka zihlolwe i-100% ye-hydrostatic.
I-Valve UKUSIYA KUFANELE KUQHUBEKE NGOKUQAPHELELEYO, ZONKE AMAVAVAVU (NGAPHANDLE KWEVALUVA EZITHUNYELWEYO) ZITHUNYELWE KWIQELA LOKUSILA UKUZE kuhlolwe uDisassembly, ukugcinwa kokusila, kunye nokuphunyezwa koxanduva, ngokuzicingela ukwenza iirekhodi kunye namanqaku, kulula ukuwalandela. Iivalve ezibalulekileyo kufuneka zidweliswe ngokweenkcukacha ukwamkelwa okwesibini, ukwenzela ukuba "istampu, ukushicilela, irekhodi" iimfuno.
Isango eliphezulu lamanzi kunye nesango lokukhupha kwibhoyila liya kumiselwa kwangaphambili. Kuphela ezi zivalo zivumelekileyo ukuba zivulwe ngexesha lovavanyo lwe-hydrostatic. Ezinye iivalve aziyi kuvulwa ngokuthanda, ukuze kukhuselwe undoqo wevalve.
Xa umbhobho uhlanjululwa, kufuneka uvule kwaye uvalwe ngobumnene ukukhusela umonakalo kwisiseko somnyango.
5, ukuba ivalve ivuza, kwenziwa njani?
Fumana isizathu, iyeza elichanekileyo!
Ukuvuza komzimba kunye nebhonethi
Isizathu:
Umgangatho wokuphoswa kwentsimbi awukho phezulu, umzimba wevalve kunye nomzimba wesigqubuthelo sevalvu unetrakoma, umbutho okhululekileyo, i-slag kunye nezinye iziphene;
Ukuqhekeka komkhenkce emini;
I-welding engafanelekanga, ukufakwa kwe-slag, i-unwelded, i-cracks yoxinzelelo kunye nezinye iziphene;
Ivalve yentsimbi yonakaliswe yinto enzima.
Iindlela zoLondolozo:
Ukuphucula umgangatho wokuphosa, ngaphambi kokufaka ngokuhambelana ngokungqongqo kunye nemimiselo yovavanyo lwamandla;
Ubushushu bevalve kwi-0℃ nangaphantsi kwe-0℃, kufuneka kugcinwe ubushushu okanye ukuxuba, ukuyeka ukusebenzisa ivalve kufuneka kususwe amanzi;
Umthungo we-welding womzimba kunye nesigqubuthelo se-valve esiqulunqwe yi-welding siya kuqhutywa ngokwemigaqo efanelekileyo yokusebenza kwe-welding, kwaye ukufumanisa impazamo kunye novavanyo lwamandla luya kuqhutywa emva kwe-welding;
KWAMELELWE UKUTSHASHA NOKUBEKA IZINTO EZINNZI KWI-valve. Akuvumelekanga ukubetha intsimbi etyhidiweyo kunye nevalve engeyiyo yentsimbi ngesando. Ukufakwa kwevalve enkulu yobubanzi kufuneka kuxhaswe.
Ukuvuza ekupakisheni
Ukuvuza kweValve, ukupakishwa kubalwe ngomlinganiselo omkhulu.
Isizathu:
Ukukhethwa kokupakisha akulungile, akuchasananga ne-corrosion ephakathi, ayichasananga noxinzelelo oluphezulu okanye i-vacuum valve, ukushisa okuphezulu okanye ukusetyenziswa kweqondo lokushisa eliphantsi;
Ukupakisha akufakwanga ngokuchanekileyo, kukho ezinye iziphene ezifana nokutshintshela encinci kunye nenkulu, i-helix winding joint ayilungile, i-high tight kunye ne-low loose.
Ukupakishwa sele kukhulile kwaye kuphulukene ne-elasticity ngaphaya kobomi benkonzo;
Ukuchaneka kwesiqu se-valve akukho phezulu, ukugoba, ukubola, ukunxiba kunye nezinye iziphene;
Inani lemisesane yokupakisha ayanelanga, i-gland ayicinezeleki;
Indlala, iibholiti, kunye nezinye iindawo zonakaliswe, ukwenzela ukuba i-gland ayikwazi ukuxinzelelwa;
Ukusebenza okungafanelekanga, amandla amaninzi, njl.;
I-Gland skew, idlala kunye ne-stem gap incinci kakhulu okanye inkulu kakhulu, ibangela ukuguga kwesiqu, ukupakishwa komonakalo.
Iindlela zoLondolozo:
Izinto eziphathekayo kunye nohlobo lokupakisha kufuneka zikhethwe ngokweemeko zokusebenza;
Ngokwamalungiselelo afanelekileyo okupakishwa kofakelo oluchanekileyo, ingcambu yepani kufuneka ibekwe kwaye icinezelwe ngokujikelezayo, ukudibanisa kufuneka kube yi-30 ℃ okanye i-45 ℃;
Ukupakishwa kunye nobomi obude benkonzo, ukuguga kunye nomonakalo kufuneka kutshintshwe ngexesha;
Ukugoba kwe-valve stem, ukunxiba kufuneka kulungiswe, ukulungiswa, umonakalo omkhulu kufuneka utshintshwe ngexesha;
Ukupakishwa kufuneka kufakwe ngokwenani elimiselweyo lokujika, i-gland kufuneka ibe yi-symmetrical kwaye iqiniswe ngokulinganayo, umkhono woxinzelelo kufuneka ube ne-gap engaphezulu kwe-5mm yokuqinisa;
Idlala elonakalisiweyo, iibholiti kunye nezinye iindawo kufuneka zilungiswe okanye zitshintshwe ngexesha;
Kufuneka ihambelane neenkqubo zokusebenza, ngaphandle kwempembelelo ye-handwheel, kunye nesantya esifanayo sokusebenza okuqhelekileyo kwamandla;
Ibholi yedlala kufuneka iqiniswe ngokulinganayo kwaye ilingane. Ukuba umsantsa phakathi kwedlala kunye nesiqu sevalvu sincinci kakhulu, isithuba kufuneka sandiswe ngokufanelekileyo. Ukuba umsantsa ophakathi kwedlala nesiqu mkhulu kakhulu, kufuneka utshintshwe.
Ukuvuza kwendawo yokutywina
Isizathu:
Ukutywina umphezulu wokugaya ungalingani, awukwazi ukwenza umgca osondeleyo;
Ukudibanisa phakathi kwesiqu kunye nenxalenye yokuvala kunqunyanyiswa, kungekhona ngokuthe ngqo okanye ukugqoka;
Ukugoba kwe-valve stem okanye indibano ayichanekanga, ukwenzela ukuba inxalenye yokuvala igxininiswe okanye ingabikho phakathi;
Ukukhetha okungafanelekanga kokutywinwa komgangatho wezinto ezibonakalayo okanye kungekhona ngokwemiqathango yokusebenza yokukhethwa kwevalve.
Isizathu:
Ukusebenza kakubi, ukwenzela ukuba isiqwenga sokuvala sinamathele okanye ngaphezu kwendawo efileyo, uxhulumaniso lonakaliswe kwaye luphukile;
Vala uxhulumaniso aluqinanga, lukhululekile kwaye luwa;
Ukukhethwa kwezinto zokudibanisa akulungile, akukwazi ukumela ukubola kwe-medium and mechanical wear.
Iindlela zoLondolozo:
Ukusebenza okuchanekileyo, ukuvala i-valve ayikwazi ukunyanzela kakhulu, vula i-valve ayinakudlula indawo efileyo, i-valve ivuleke ngokupheleleyo, i-handwheel kufuneka ibuye umva kancinci;
Ukudibanisa phakathi kwendawo yokuvala kunye ne-valve stem kufuneka iqine, kwaye uxhulumaniso lwentambo kufuneka lube yi-backstop part;
Izibophelelo ezisetyenziselwa ukudibanisa iindawo zokuvala kunye ne-valve stem ziya kumelana nokubola kwendawo ephakathi kwaye zibe namandla athile omatshini kunye nokumelana nokunxiba.