Iivalvu ezili-10 eziphezulu zobushushu obuphezulu kwiiNkqubo zoMphunga weZimbiwa

Xa ukhetha iivalvu ezinobushushu obuphezulu kwiinkqubo zomphunga wemizi-mveliso, ukuqonda iimfuno ezithile zokusebenza kwakho kubaluleke kakhulu. ivalve yomphunga kufuneka imelane neemeko ezishushu kakhulu ngelixa igcina ukusebenza okuqinileyo nokungavuzi kunye nokuqina koxinzelelo. Iivalvu ezilishumi eziphezulu zobushushu obuphezulu ziquka iivalvu zeglobhu zentsimbi eziqiniweyo, iivalvu zeglobhu ze-Y-pattern, iivalvu zesango ezine-stellite trim, iivalvu zebhola ezifakwe kwi-trunnion, iivalvu zokujonga uphawu loxinzelelo, iivalvu zolawulo ezitywiniweyo, iivalvu zokunceda ukhuseleko eziqhutywa yipilot, iitraphu zomphunga we-thermostatic, iivalvu zebhabhathane ezisebenzayo, kunye neevalvu ze-throttling ezenziwe ngokwezifiso. Uyilo ngalunye lujongana neemfuno ezahlukeneyo zokusebenza kwiiplatifomu zokubhola, izibonelelo zokucoca, kunye neenethiwekhi zepayipi.

Ukuqonda iiValve zoBushushu obuPhezulu kwiiNkqubo zoMphunga

Imisebenzi ephambili yezixhobo zokulawula umphunga

Ukuze iinkqubo zomphunga wemizi-mveliso zisebenze, zidinga iivalvu ezinokulawula amazinga okuhamba kwamanzi, zahlule iindawo zombhobho, kwaye zigcine amanqanaba oxinzelelo echanekileyo kumaqondo obushushu angaphezu kwama-800°F. Ezi nxalenye zezona zigcina iibhoyila, ukutshintshana kobushushu, kunye nemigca yenkqubo isebenza, ingakumbi xa umphunga ungumthombo wamandla ophambili. Ukukhethwa kweevalvu kunefuthe ngqo kwindlela esebenza kakuhle ngayo inkqubo, indlela abasebenzi abakhuselekile ngayo, kunye nokuba izixhobo zihlala ixesha elingakanani. Xa iinkqubo zokwandiswa kobushushu kunye nokuncitshiswa zisenzeka ngokuphindaphindiweyo, yivalvu yomphunga kuphela eyenziwe ngeentsimbi ezifanelekileyo kunye netekhnoloji yokutywina enokuthintela izinto ukuba zingahambi kakubi.

Izinto Eziqwalaselweyo Kwiindawo Ezishushu Kakhulu

Kwiindlela zokusebenzisa ubushushu obuphezulu, iifomyula ezithile ze-alloy ziyafuneka ukugcina amandla azo kumaqondo obushushu aphezulu. Kwiimeko zomphunga ophantsi, iintlobo zentsimbi yekhabhoni ezifana ne-A105 kunye ne-A216 WCB zisebenza kakuhle kwivalvu yomphunga, ngelixa iintsimbi ze-alloy ezifana ne-F11 kunye ne-F22 zenza konke okusemandleni azo kumaqondo obushushu akufutshane ne-1000°F. Iintlobo ezahlukeneyo zentsimbi engagqwaliyo, ezifana ne-316 kunye ne-304, zingcono ekumelaneni nokugqwala kwiimeko zomphunga omanzi. Ukuze kuthintelwe amasuntswana omphunga ashushu kakhulu ukuba angagugi kwiindawo ezilungisiweyo, zihlala zenziwe ngezinto eziqinileyo ezifana ne-stellite okanye i-tungsten carbide.

Inkqubela phambili kweTekhnoloji yokutywina

Iinkqubo zokupakisha ezisekelwe kwigrafiti, ii-spiral wound gaskets, kunye nezitywino ezisebenza ngoxinzelelo ezihlala ziqinile ngexesha lobushushu zonke ziyinxalenye yeenkqubo zanamhlanje. iivalvu zomphungaXa izinto zokupakisha eziqhelekileyo zichatshazelwa ngumphunga ixesha elide, ziyaphuka ngokukhawuleza, zikhuphe iigesi eziyingozi kwaye zinciphise ukusebenza kwazo. Uyilo olutsha lokutywina ngoku luneenkqubo zokulayisha ezisebenza ngokuzenzekelayo ezibangela ukwanda kobushushu. Oku kuqinisekisa ukuba itywina liza kuhlala liqinile ixesha elide. Olu phuculo lunciphisa inani lamaxesha ekufuneka kulungiswe ngawo ngelixa kusahlangatyezwana nemithetho engqongqo yokusingqongileyo.

Iivalvu ezili-10 eziphezulu zobushushu obuphezulu kwiiNkqubo zoMphunga weZimbiwa

Ukuze ukhethe ulungelelwaniso olufanelekileyo lwevalvu, kufuneka uthelekise izinto zokusebenza noyilo oluvavanyiweyo olusebenza kakuhle kwiimeko ezinzima. Le ncwadana ingezantsi ibonisa iintlobo ezilishumi ezahlukeneyo zeevalvu ezenzelwe ukusebenza ngomphunga oshushu kakhulu. Uhlobo ngalunye luneengenelo zalo kwiimeko ezahlukeneyo zoshishino.

Iivalvu zeGlobe zeNtsimbi eziBunjiweyo

Xa kufuneka ulawulo oluchanekileyo lokuhamba kwamanzi, ezi valve zisebenza kakuhle ekunciphiseni. Zinamandla kuneendlela zokufaka amanzi kuba zenziwe, nto leyo ezenza zilungele imigca yomphunga enoxinzelelo oluphezulu edlula i-2500 psi. Indlela yokuhamba enobume buka-Z yenza kube lula ukuvala umoya, kodwa iimpawu zokuhla koxinzelelo kufuneka zijongwe ngononophelo. Iivalvu zeglobe ezenziwe ngomatshini zihlala zisetyenziswa kwiinkqubo zokujova umphunga we-wellhead kuba ziqinile kwaye ziye zabonakaliswa ukuba zisebenza ngokuthembekileyo ebaleni.

Iivalvu zeGlobe zePateni ye-Y

Iindidi ze-Y-pattern zilungele ukuhamba komphunga ngesantya esiphezulu kuba imo yomzimba egobileyo inciphisa ukulahleka koxinzelelo malunga ne-40% xa kuthelekiswa neevalvu zeglobe eziqhelekileyo. Le milo ikwayenza kube lula ukulungisa, kuba ibhonethi inokulungiswa ngaphandle kokususa yonke imibhobho. Izityalo zokucoca zisebenzisa iivalvu ze-Y-pattern kakhulu kwimigca ephezulu yeekholamu ze-distillation, apho ukunciphisa ukwehla koxinzelelo kunempembelelo ngqo kwindlela esebenza ngayo inkqubo.

IiValve zeSango ezineStellite Trim

Xa kufuneka ukuhamba kwe-full-bore ngaphandle kokumelana okukhulu, ii-gate valves zezona zilungileyo. Iimodeli ezinobushushu obuphezulu zine-wedges kunye nezihlalo ezine-stellite ubuso ezikhusela iingcingo ekonakalisweni ngumphunga okhukulisayo. Uhlobo lwe-wedge eqinileyo luvumela ukutywinwa kumacala omabini, kodwa ezi valves zisebenza ngcono xa zivuliwe ngokupheleleyo okanye zivaliwe, hayi xa zithintela inkonzo. Kwiindawo ezibekwe zodwa apho umthamo wokuhamba ungonakaliswa khona, abasebenzi bepayipi bayayithanda le valve yomphunga, ivalve yomphunga uhlobo.

I-Trunnion-Mounted Ball Valves

Ngenxa yesakhiwo esikhuselekileyo emlilweni kunye noyilo lwezihlalo ezikhethekileyo, iteknoloji yevalvu yebhola ikhule kangangokuba ikwazi ukusingatha umphunga oshushu kakhulu. Indlela yokufaka i-trunnion ibamba ibhola phezulu ngokwahlukileyo kwizihlalo. Oku kunciphisa amandla okubaleka kwaye kwandisa ubomi bomjikelo. Izixhobo zesihlalo eziphambili, ezifana ne-PTFE eqinisiweyo ene-graphite fillers, zigcina isitywina somelele ukuya kuthi ga kwi-450°F. Iimodeli ezihlala ngesinyithi zinokuphatha amaqondo obushushu aphezulu. Ngenxa yokuba zisebenza ngokuzenzekelayo, ezi valve zilungile kwiindawo zepayipi ezilawulwa kude.

Iivalvu zokujonga iTywina loxinzelelo

Kwiinkqubo zomphunga ezinoxinzelelo oluphezulu, jonga iivalvu ezivala ngcono njengoko uxinzelelo lwenkqubo lunyuka ukuze kumiswe ukubuya kwamanzi. Uyilo lwebhonethi yesitywino soxinzelelo lusebenzisa uxinzelelo lwenkqubo ukuvula ukutywinwa kwegasket, okususa iindlela ezinokwenzeka zokuvuza eziza noyilo lwebhonethi enebholti. Uyilo lweediski ezimbini lunobude obufutshane bokufakelwa, oluluncedo ngakumbi kwiindawo ezikude nolwandle apho ukukhethwa kwezixhobo kunqunyelwe yigumbi. Ngexesha leenkqubo zokuvala, ezi valve zigcina i-turbomachinery ebiza kakhulu ikhuselekile ekonakaleni okubangelwa kukuhamba okungasemva.

Iivalvu zoLawulo ezitywiniweyo zeBellows

Iinkampani zeenkqubo zifuna iivalvu zokulawula ezithintela ngokupheleleyo ukuvuza kwesiqu, ingakumbi xa zisebenza nge-condensate ebiza kakhulu okanye eyingozi yomphunga. Iityhubhu zesinyithi ezidityanisiweyo zigcina i-process media kunye nomoya uphuma, ngoko ke ziyahlangabezana nemigaqo yokukhupha umoya ngaphandle kokwenza naluphi na utshintsho ekupakishweni. Icandelo le-bellows lifunxa intshukumo kwisiqu kwaye ligcina i-acidic condensate ingangeni kwiindawo zangaphakathi. Iivalvu ezivaliweyo ze-bellows zisetyenziswa kwiinkonzo ezibalulekileyo kwizityalo ze-petrochemical apho nokuvuza okuncinci kunokuba yingozi okanye kube yingozi kwindalo esingqongileyo.

Iivalvu zoKhuseleko eziSebenza ngoMqhubi

Ukuze iinkqubo zomphunga zikhuseleke kuxinzelelo olugqithisileyo, zidinga izixhobo zokunceda ezinokusabela ngokufanelekileyo kutshintsho kuxinzelelo ngelixa zichitha umphunga omncinci kangangoko kunokwenzeka. Uyilo oluqhutywa yipilot lusebenzisa uxinzelelo olukwinkqubo ukutshintsha indlela ivalvu evuleka ngayo. Oku kwenza ukuvalwa kube ngokuchanekileyo ngakumbi kwaye kunciphisa ubushushu obubandayo xa kuthelekiswa neevalvu zokunceda eziqhelekileyo ezifakwe entwasahlobo. Inkqubo yokuqhuba ingalungiswa ukuze ihlangabezane neemfuno zesicelo esithile, into engenakwenzeka ngoyilo olusebenza ngqo. Ukuze kuhlangatyezwane nemigangatho yeCandelo loku-1 le-ASME, iinkqubo zebhoyila zihlala ziquka iivalvu zokunceda eziqhutywa yipilot.

Imigibe ye-Thermostatic Steam

Ukususa umphunga ngokufanelekileyo kunefuthe elithe ngqo kwindlela esebenza ngayo inkqubo yomphunga kunye nokuba isebenzisa amandla angakanani. Xa kukho umahluko kubushushu phakathi komphunga kunye ne-condensate, ii-thermostatic traps ziyawukhulula ngokuzenzekelayo ulwelo olupholileyo ngelixa zigcina umphunga ophilayo ungaphumi, zincediswa yi ivalve yomphungaUyilo lwekhaphu yoxinzelelo olulawulwayo luvumela umoya omninzi ukuba udlule kwinkqubo xa iqala ukusebenza. Amaziko akhathalela ukonga amandla afumana imali yawo ngokukhawuleza ngokukhetha imigibe yomphunga efanelekileyo kunye nokulandela iinkqubo zokulungisa ezisusa inkunkuma yomphunga.

Iivalvu zebhabhathane ezisebenza ngokuPhezulu

Uyilo oluneevalvu zebhabhathane lusebenza kakuhle kwimigca yomphunga enobubanzi obukhulu kuba zincinci kwaye zilula. Iinguqulelo ezisebenzayo eziphezulu zinesimo sediski esichaseneyo esigcina iidiski zingakhuhlani ngelixa zisebenza, nto leyo eyandisa kakhulu ubomi bazo benkonzo. Iimodeli ezifakwe ngentsimbi zinokuphatha amaqondo obushushu afikelela kwi-750°F, kwaye isenzo sokujika ikota senza kube lula ukongeza oomatshini abazisebenzelayo. Iivalvu zebhabhathane zihlala zisetyenziselwa ulawulo oluphambili lokusasazwa kwiinethiwekhi zokufudumeza zesithili kuba zixabiso eliphantsi xa zinkulu.

Iivalvu zoMxobhozo ezenziwe ngobunjineli obukhethekileyo

Kwezinye iimeko, uyilo oluthile lweevalvu luyafuneka ukusombulula iingxaki ezithile zokusebenza. Iivalvu ezilawula ngokwezifiso zithatha iindawo ezilungileyo zoyilo oluqhelekileyo ezahlukeneyo kwaye zixube ngeendlela ezinciphisa ingxolo, zigcine ukwehla koxinzelelo kulawulwa, okanye zikhusele ekukhukulisekeni. Kwiinkonzo zoxinzelelo oluneempawu eziphezulu, ezi zisombululo zihlala zineenkqubo zokusika ezinamanqanaba amaninzi ezilahlekelwa ngamandla kancinci kancinci. Oku kuthintela umonakalo we-cavitation ukuba ungenzeki. Iinkampani ze-EPC zisebenza nabenzi beevalvu ukuza nezisombululo ezenziwe ngokwezifiso ezihlangabezana neemfuno ezizodwa zeeprojekthi ezinzima ezingenakuphunyezwa ziimpahla zekhathalogu ezisemgangathweni.

Ukuqonda imeko esebenzayo kunceda amaqela athengayo ukuba ahambelane nezakhono zeevalvu noko kufuneka akwenze entsimini. Ngale ndlela, banokuphepha zombini ukucacisa kakhulu kunye nokungabi namanqanaba aneleyo okusebenza.

Indlela yokukhetha iValve yoMphunga yoBushushu obuphezulu efanelekileyo

Ukuchaza iiParameters zeSicelo

Ukuze ukhethe ivalvu yomphunga efanelekileyo, kufuneka uqale ubhale phantsi iimeko zokusebenza ezichanekileyo, ezinje ngoxinzelelo oluphezulu, ubushushu obuphezulu, umthamo wokuhamba, kunye neempawu zolwelo. Umgangatho womphunga unempembelelo enkulu kubukhulu beevalvu kuba umphunga omanzi uqulethe ukufuma okukhawulezisa ukukhukuliseka. Xa ufumana udidi loxinzelelo, kufuneka ucinge ngeemeko ezimbi kakhulu, njengeemeko zexesha elifutshane ngexesha lokuqalisa kunye nokuvalwa okungxamisekileyo. Ukuqinisekisa ukuba kukho ukhuseleko olwaneleyo lotshintsho loxinzelelo ngequbuliso, iinjineli zokubhola zihlala zicela iivalvu ezilinganiswe ngama-50% ngaphezulu koxinzelelo oluqhelekileyo lokusebenza.

UVavanyo lokuhambelana kwezinto

Ukuba ulungelelanisa izinto zomzimba wevalvu kwaye uzilungise ngokwemiqathango yokusebenza, ukuguguleka kobushushu okanye umhlwa akuyi kubangela ukuba zingasebenzi kwangethuba. Kwizinto ezomileyo ezisetyenziswa ngomphunga ngaphantsi kwama-750°F, imizimba yentsimbi yekhabhoni isebenza kakuhle kwivalvu yomphunga. Kumaqondo obushushu aphezulu, kufuneka iintsimbi ze-chrome-moly ukuze ivalve yomphungaUkuze kuthintelwe ukuguguleka kokuguguleka, ubunzima bokucheba kufuneka bube phezulu kunesantya somphunga kunye nemida yomxholo wezinto ezincinci. Iziphumo zovavanyo lwezinto ezibonakalayo ezibonisa ukuvumelana nemigangatho ye-ASTM yodidi lwenkonzo olunikiweyo kufuneka zicelwe ngabaphathi bokuthenga ivalvu yomphunga.

Uthelekiso lweNkqubo yoKwenza

Xa iindleko zomsebenzi ziphantsi kwaye iivalvu zilungiswa ngamaxesha athile, ukusebenza ngesandla kungcono. Nangona kunjalo, ukuzisebenzela ngokwakho kuneengenelo ezicacileyo kwiindawo ezikude okanye ukukhwela ibhayisekile okwenzeka rhoqo. Ii-actuators zombane zinika ingxelo echanekileyo malunga nokubeka kwaye zisebenza kakuhle neenkqubo zolawulo ezisasaziweyo. Nangona kunjalo, ii-actuators zomoya zikhawuleza kwaye zinokungaphumeleli ngokukhuselekileyo ngokusebenzisa iindawo zokugcina umoya ezigciniweyo. Xa ufuna amandla amaninzi kwaye isixhobo sombane singakwazi ukusiphatha, iinkqubo ze-hydraulic zezona zikhetho zilungileyo. I-matrix yokukhetha kufuneka ithelekise utyalo-mali lokuqala neendleko zizonke zokuqhuba ishishini kulo lonke ixesha lalo, ezibandakanya iindleko zokulungisa kunye nokugcina.

Iikhrayitheriya zoMqinisekiso woMboneleli

Xa ukhetha umthengisi, kufuneka ujonge okungaphezulu nje kweenkcukacha zekhathalogu. Kufuneka ucinge nangezakhono zovavanyo, iinkqubo zomgangatho wokuvelisa, kunye neziseko zoncedo lobugcisa. Iziqinisekiso ezifana ne-API 6A kunye ne-API 6D zibonisa ukuba inkqubo yokulawula umgangatho ilungile ngokwaneleyo kwizicelo zenkonzo ezibalulekileyo. Abantu abasebenza ekuthengeni kufuneka bajonge iindawo zababoneleli ukuqinisekisa ukuba iinkqubo zokuwelda, iindlela zokuvavanya ezingonakalisiyo, kunye neenkqubo zokulandelela zichanekile. Xa kuthelekiswa izibonelelo zobugcisa ezifanayo ezivela kubaboneleli abahlukeneyo, ukunikezelwa kwexesha elide kwamacandelo kunye nobukhulu beenethiwekhi zenkonzo yasentsimini ziba zizinto ezibalulekileyo.

Ulwazi Lokuthengwa Kwempahla: Ukuthenga Iivalvu Zomphunga Ezinobushushu Obuphezulu Zokusetyenziswa Kwimizi-mveliso

Ukuvavanya iiMveliso zoMvelisi

Kwimarike yevalvu yomphunga yehlabathi, kukho ababoneleli abaninzi abathi banokwenza izinto ezifanayo, kodwa umgangatho weemveliso zabo utshintsha kakhulu phakathi kwabo. Iinkampani ezaziwayo zigcina izixhobo ezininzi zokuvavanya, ezifana nee-flow loops zobushushu obuphezulu kunye nee-cycle testing stands, ukuxhasa amabango azo okusebenza ngedatha yokwenyani. Ukuhlolwa okuzimeleyo kwenkqubo yokuvelisa kwenziwa ngokuvunywa ngamaqela esithathu avela kumaqela afana neLloyd's Register okanye iBureau Veritas. Ukuqinisekisa ukuba izinto azipheli ngexesha leeprojekthi zeminyaka emininzi, amaqela okuthenga kufuneka ajonge ukuba ababoneleli bazinze kangakanani ngokwezimali kunye nokuba banokwenza malini.

Ukulinganisela Iindleko kunye neZinto eziqwalaselwayo

Xa bethenga iivalvu, abantu badla ngokugxila kwixabiso lokuqala le ivalve yomphunga kwaye unganiki ubunzima obaneleyo kwiindleko eziza emva kwexesha, ezinje ngokugcinwa, ixesha lokungasebenzi, kunye nokutshintshwa. Iivalvu zomphunga eziphambili ezivela kwiimveliso ezaziwayo zihlala ixesha elide ngama-30 ukuya kuma-40 ekhulwini kuba zenziwe ngezinto ezingcono kunye nokunyamezelana kokwenziwa ngokuchanekileyo. Kunokwenzeka ukufumana imiqathango engcono ngezivumelwano zokuthenga ngobuninzi zeevalvu zomphunga, kodwa imizamo yokumisela umgangatho akufanele yonakalise ukufaneleka kobugcisa. Iimpazamo zezinto kunye neengxaki ngomsebenzi wevalvu yomphunga kufuneka zigutyungelwe yiwaranti, kwaye kufuneka kubekho amanyathelo acacileyo okusingatha ukusilela kwicandelo elifuna uhlalutyo olucokisekileyo.

Ulawulo lweZibonelelo kunye noLawulo lweeNkonzo

Xa uthenga iivalvu kwamanye amazwe, iindlela zokuthumela, iinkqubo zerhafu, kunye neendlela zokuhlola ukuze uzifumane ziba nzima ngakumbi. Kwiiodolo ezinkulu, ukuthunyelwa ngeekhonteyina kubiza kancinci, kodwa ukuthunyelwa ngenqwelo moya yeyona ndlela ikhethekileyo yokwenza izinto ezibalulekileyo kwiprojekthi kwaye akunakulibaziseka. Iinkcukacha zokusonga zichanekile kakhulu kwaye zikhusela imiphezulu ekhazimlisiweyo kunye neendawo zangaphakathi ngelixa zithunyelwa kwaye zigcinwa. Kwiimpahla ezicwangcisiweyo ukuya kwi-odolo, amaxesha okukhokela anokuba ziiveki ezili-16 ukuya kwezingama-20. Ukunceda amaqela okuthenga alandele amaxesha okukhokela, izixhobo zokulandelela ii-odolo ezineembono ezibalulekileyo zinokunceda. Ukuseta ubudlelwane bokuhambisa izithuthi zengingqi kunciphisa iindleko zokuthenga ngokukhawuleza xa izinto ziwohloka kwaye kufuneka zitshintshwe ngokukhawuleza.

isiphelo

Ukukhetha ubushushu obuphezulu ivalve yomphunga Ukuba iza kusebenza ngokuthembekileyo ixesha elide, kufuneka uqwalasele ngononophelo iimeko zokusebenza, izixhobo ozifunayo, kunye nezakhono zomthengisi. Iintlobo ezilishumi zeevalvu ezibonisiweyo zihlangabezana neemfuno ezahlukeneyo zoshishino kwiindawo ezifana nezityalo zokucwangcisa, iinethiwekhi zemibhobho, kunye nemisebenzi yokugrumba. Ukufumana ibhalansi efanelekileyo phakathi kweemfuno zobugcisa kunye nexabiso lexesha elide kubalulekile ekuthengeni ngempumelelo. Kubalulekile nokusebenza nabavelisi abanokunika ulwazi oluqinisekisiweyo kunye nenkxaso epheleleyo. Ukulandela imithetho efanelekileyo yokugcinwa nokhuseleko kuya kugcina abantu bekhuselekile kwaye kwandise ukufumaneka kwezixhobo. Iinkampani ezichitha imali kwizisombululo ezilungileyo zeevalvu kunye neendlela zokukhetha ezingqongqo zifumana imisebenzi ethembekileyo ngakumbi kwaye zinciphise iindleko zizonke zobunini.

FAQ

1. Zeziphi izinto ezisebenza kakuhle kwiivalvu zomphunga ezisebenza ngaphezu kwama-800°F?

Iintsimbi ze-chrome-moly alloy, ezifana ne-A217 WC6 kunye ne-WC9, zigcina amandla azo kakuhle kumaqondo obushushu afikelela kwi-1000°F, yiyo loo nto zilukhetho olufanelekileyo lokusetyenziswa ngomphunga oshushu kakhulu. Iintsimbi ze-Austenitic stainless zingcono ekumelaneni nomhlwa, kodwa azikwazi ukumelana noxinzelelo oluninzi xa zishushu. Ukukhusela ekugugulekeni kokubola komphunga okhawulezayo, iindawo zokuhombisa kufuneka ziqiniswe nge-stellite okanye i-tungsten carbide. Xa ukhetha izinto zevalvu yomphunga, kubalulekile ukucinga ngobushushu obuphezulu obunokusebenza kubo kunye nemiphumo yokujikeleza kobushushu, okubangela ukuba imizimba yeevalvu kunye neebhonethi ziguge.

2. Iivalvu zomphunga kufuneka zihlolwe kangaphi?

Ukuba into kufuneka ihlolwe kangaphi kuxhomekeke ekubeni kunzima kangakanani ukuyilungisa, ukuba isetyenziswa ixesha elingakanani, kwaye ukuba izinto ezifanayo ziye zasilela kangaphi kwixesha elidlulileyo. Iivalvu zokwahlulahlula ezibalulekileyo ezisetyenziswa rhoqo zihlala zifuna ukuhlolwa ngaphandle rhoqo emva kweenyanga ezintathu kwaye ngaphakathi kanye ngonyaka. Iivalvu zokulawula ukugoba ziguga ngokukhawuleza kunezinye iivalvu, ngoko ke kufuneka zihlolwe rhoqo emva kweenyanga ezintandathu kwaye izihlalo zazo kufuneka zihlolwe ukuba azinamonakalo na. Ukugcina iirekhodi zezinto ezifunyenweyo ngexesha lokuhlolwa kudala iseti yedatha yezixhobo zokulungisa eziqikelelayo ezifumana amaxesha afanelekileyo okulungisa. Ukubeka iliso kwiintshukumo kunye neenkqubo zokufumanisa ukuvuza okuphilayo kukwazisa ngoko nangoko ukuba iingxaki ziqala ukubonakala phakathi kokuhlolwa.

3. Ngaba ii-actuators zombane zingafakelwa kwakhona kwiivalvu zomphunga ezisetyenziswa ngesandla?

Uninzi lweevalvu ezisetyenziswa ngesandla zinokuqhagamshela kwiimoto zombane zisebenzisa uqhagamshelo oluqhelekileyo olubekwe kwi-ISO 5211, kodwa kusabalulekile ukujonga ubungakanani. Ukuze ufumane ukuba kufuneka amandla angakanani e-actuator, kufuneka uqwalasele ukungqubana kwesiqu, ukutsala ukupakisha, kunye namandla oxinzelelo ahlukeneyo asebenza kumalungu okuvala. Ukuze udibanise inkqubo yolawulo, udinga izixhobo zokufaka indawo kunye nezixhobo ezifanelekileyo zokulungisa isignali. Ukongeza okuzenzakalelayo kwiivalvu ezindala kunokonga imali xa kuthelekiswa nokuzitshintsha ngokupheleleyo, lo gama nje iindawo zangaphakathi zisenokulungiswa kwaye uyilo lwevalvu luvumela ubomi bomjikelo obufunekayo.

Sebenzisana ne-CEPAI kwizisombululo zeValve ezithembekileyo zeSteam

Ababoneleli be iivalvu zomphunga ukusetyenziswa kwemizi-mveliso kufuneka bazi indlela yokujongana nemingeni yobugcisa kunye nemida yexesha abajongene nayo oonjineli bokugrumba, abaphathi bezityalo kunye neengcali zokuthenga. CEPAI Ibonelela ngezisombululo eziyilwe ngokweemfuno ezahlukeneyo ze-API, ezifana ne-API 6A, i-API 6D, kunye ne-ISO 9001. Oku kuqinisekisa ukuba ivalvu nganye yomphunga iyahlangabezana nemigangatho yomgangatho ophezulu efunekayo kwiindlela ezibalulekileyo. Iivalvu zethu ze-throttle kunye nezixhobo zokulawula ukuhamba kwamanzi ezenziwe ngokwezifiso zenziwe ngezixhobo zobuchwepheshe obuphezulu kunye neendlela zokuvala ezivavanyiweyo ezenza zihlale ixesha elide kwaye zifuna ukulungiswa okuncinci. Iqela lethu lobuchwephesha lisebenza ngokuthe ngqo neenjineli zakho ukuqinisekisa ukuba iinkcukacha zevalvu zilungele iimeko zakho zokusebenza ezizodwa, nokuba iprojekthi yakho ifuna izinto zesitokhwe esiqhelekileyo okanye iindawo ezenziwe ngokwezifiso. Thumela i-imeyile kwiingcali zethu ku cepai@cepai.com ukuthetha ngeemfuno zakho zevalvu yomphunga eshushu kakhulu kunye nokufumana izimvo zobugcisa ezithile ezenzelwe wena. Sigcina isitokhwe esikhulu seenxalenye zevalvu yomphunga ezikumgangatho ophezulu ezivela kubavelisi abaphambili kwihlabathi, ukuze sikwazi ukubonelela ngokukhawuleza kwimisebenzi ecwangcisiweyo kunye nokutshintshwa ngomzuzu wokugqibela.

Ucaphulo

1. I-American Petroleum Institute. (2021). "Izixhobo zeWellhead kunye noMthi weKrisimesi - Ingcaciso 6A." Iinkonzo zokuPapasha ze-API, eWashington, DC.

2. Zappe, RW (2004). "Incwadi Yokukhetha Iivalvu: Iziseko Zobunjineli Zokukhetha Uyilo Lwevalvu Oluchanekileyo Kuzo Zonke Iinkqubo Zokuhamba Kwemizi-mveliso." Uhlelo Lwesihlanu, iGulf Publishing Company, eHouston, TX.

3. Skousen, PL (2011). "Incwadi yeValve." Uhlelo lwesithathu, McGraw-Hill Professional, eNew York, NY.

4. ASME International. (2019). "Ikhowudi yeBoiler kunye neSitya soXinzelelo, Icandelo I: Imithetho yoKwakhiwa kweeBoilers zamandla." I-American Society of Mechanical Engineers, eNew York, NY.

5. Lyons, JL (2009). "I-Valve Primer: Isikhokelo Somsebenzisi kwiiValve Zezimboni - Uhlelo Oluhlaziyiweyo." Engineering Dynamics Incorporated, eSan Jose, CA.

6. Smith, P. kunye noZappe, RW (2003). "Isikhokelo soKhetho kunye neNkcazelo yeeValve." Van Nostrand Reinhold, eNew York, NY.