Litaba

Li-valve ke lihlahisoa tse nang le phaello e tlaase, 'me tlhōlisano ea' maraka e matla haholo.Mabapi le kabo ea 'maraka oa li-valve, e ipapisitse le kaho ea merero ea boenjiniere.Basebelisi ba kholo ka ho fetisisa ba li-valve ke indasteri ea petrochemical, lekala la matla, lekala la metallurgic, indasteri ea lik'hemik'hale le lekala la kaho ea litoropo.Indasteri ea petrochemical haholo-holo e sebelisa li-valve tsa liheke tse tloaelehileng tsa API, li-valve tsa globe le li-valve tsa ho hlahloba;lefapha la motlakase haholo-holo le sebelisa li-valve tsa heke tsa mocheso o phahameng oa mocheso, li-globe, li-valve tsa ho hlahloba le li-valve tsa polokeho bakeng sa liteishene tsa motlakase le li-valve tsa serurubele tse nang le khatello e tlase le li-valve tsa heke bakeng sa phepelo ea metsi le li-drainage;indasteri ea lik'hemik'hale haholo-holo e sebelisa li-valve tsa heke ea Stainless steel, li-valve tsa globe, li-valve tsa ho hlahloba;indasteri ea metallurgical haholo-holo e sebelisa li-valve tsa serurubele tse bophara bo boholo ba khatello e tlaase, li-valve tse koalang oksijene le li-valve tsa bolo ea oksijene;mafapha a kaho ea litoropong haholo-holo a sebelisa li-valve tse nang le khatello e tlase, joalo ka liphaephe tsa metsi a pompo ea litoropong haholo-holo li sebelisa li-valve tsa heke tse bophara bo boholo, 'me kaho ea meaho e sebelisa haholo-holo bohareng Bakeng sa li-valve tsa serurubele, li-valve tsa serurubele tse tiisitsoeng ka tšepe li sebelisoa haholo ho futhumatsa litoropong;li-valve tsa heke tse bataletseng le li-valve tsa bolo li sebelisoa haholo bakeng sa lipeipi tsa oli;li-valve tsa tšepe tse sa hloekang li sebelisoa haholo indastering ea meriana;li-valve tsa bolo ea tšepe li sebelisoa haholo indastering ea lijo.Li-valve li sebelisoa haholo indastering ea ho hloekisa metsi, haholo-holo lihlahisoa tsa li-valve tse nang le khatello e tlaase, tse kang li-valve tsa serurubele, li-valve tsa heke le li-valve tsa ho hlahloba.Ho utloisisoa hore hajoale ho na le lik'hamphani tsa li-valve tse fetang 2,000 tse nang le tekanyo e itseng 'marakeng, tseo boholo ba tsona li leng Jiangsu, Zhejiang le Central Plains.Ka lebaka la litlhoko tse batlang li le tlase bakeng sa litaba tsa theknoloji ea sehlahisoa, tlholisano e matla le ho feta.

Ho tloha lilemong tsa bo-1980, naha ea heso e ile ea qala ho hlophisa likhoebo tsa bohlokoa ho hlahisa theknoloji e tsoetseng pele le lisebelisoa tsa ho lokisa tse kang moralo le theknoloji ea lihlahisoa tse tšoanang tse tsoang linaheng tse ling, e le hore theknoloji ea naha ea heso ea tlhahiso ea li-valve le boleng ba lihlahisoa li ntlafatsoe ka potlako, 'me ha e le hantle li fihlile. boemo ba linaha tse ling lilemong tsa bo-1980.Hona joale, baetsi ba li-valve tsa bohlokoa ba malapeng ba khonne ho rala le ho etsa li-valve tse fapa-fapaneng ho latela maemo a machaba a kang litekanyetso tsa machaba tsa ISO, litekanyetso tsa DIN Jeremane, litekanyetso tsa AWWA tsa Amerika, 'me lihlahisoa tse ling tsa bahlahisi li fihlile boemong bo phahameng ba machaba.Le hoja kakaretso ea indasteri ea li-valve ka Selemo se Secha e ntlafetse haholo, boleng ha boa tsitsa ka ho lekaneng, joalo ka ho matha, ho lutla, ho rotha le ho lutla hangata ho hlaha li-valve tsa malapeng.Ho phaella moo, ho ntse ho e-na le lekhalo le itseng pakeng tsa bokhoni ba ho tšehetsa li-valve tsa naha ea heso le linaha tse tsoetseng pele.

Ka lehlakoreng le leng, lihlahisoa tsa li-valve tsa naha ea heso li tobane le menyetla e metle ea nts'etsopele.Ka phetisetso ea ntlafatso ea oli masimong a oli a ka hare ho naha le masimong a oli a kantle ho naha, le nts'etsopele ea indasteri ea matla ho tloha ho matla a futhumatsang a ka tlase ho 300,000 kilowatts ho ea ho matla a futhumatsang, motlakase oa metsi le matla a nyutlelie a fetang 300,000 kilowatts, lihlahisoa tsa li-valve le tsona li tlameha ho fetola ts'ebetso ea tsona le liphetoho tse tšoanang. lebaleng la kopo ea lisebelisoa.paramethara.Litsamaiso tsa kaho ea litoropong hangata li sebelisa palo e kholo ea li-valve tsa khatello e tlase, 'me li ntse li tsoela pele molemong oa ts'ireletso ea tikoloho le ho baballa matla, ke hore, phetoho ho tloha ho li-valve tsa heke tsa tšepe tse nang le khatello e tlase tse neng li sebelisoa nakong e fetileng ho ea ho li-valve tsa poleiti tsa rabara tse bolokang tikoloho, ho leka-lekana. li-valve, li-valve tsa serurubele tsa tšepe, le li-valve tsa serurubele sa centerline.Nts'etsopele ea merero ea lipalangoang tsa oli le khase ka tataiso ea liphaephe e hloka palo e kholo ea li-valve tsa heke tse bataletseng le li-valve tsa bolo.Lehlakore le leng la nts'etsopele ea matla ke paballo ea matla, ka hona ho ea ka pono ea ho boloka matla, maraba a mouoane a lokela ho ntlafatsoa le ho ntlafatsoa ho ea ho maemo a phahameng a subcritical le supercritical high.

Kaho ea seteishene sa motlakase e ntse e tsoela pele ho ea nts'etsopele e kholo, kahoo li-valve tsa tšireletso tse matla le tse nang le khatello e phahameng le tse fokotsang khatello lia hlokahala, 'me li-valve tse bulang le ho koala ka potlako le tsona lia hlokahala.Bakeng sa litlhoko tsa lihlopha tse feletseng tsa merero, phepelo ea li-valve e tsoetse pele ho tloha mofuteng o le mong ho ea ho mefuta e mengata le litlhaloso.Ho na le mokhoa o ntseng o eketseha oa hore li-valve tse hlokoang ke morero oa boenjiniere kaofela li fanoa ke moetsi oa li-valve.

Empa ka lehlakoreng le leng, re tlameha ho nka mathata a mangata 'marakeng oa li-valve ka botebo.Joalo ka ha 'maraka oa li-valve oa naha ea heso o thehile kopanelo ea lik'hamphani tsa mmuso, tse kopaneng, tsa kopanelo, thepa le lik'hamphani tse ikemetseng.Tlhōlisanong e matla ea 'maraka, e hlokang tsoelo-pele e tsitsitseng, lik'hamphani li ela hloko lintlha tse latelang: ho sebetsa ka thata ho fokotsa litšenyehelo tsa tlhahiso, ho lebisa tlhokomelo ho ntlafatsa ts'ebetso ea sehlahisoa le katleho;ho hlahisa lihlahisoa tsa theknoloji e phahameng tsa maemo a holimo kapa ho hlahisa lihlahisoa tse nyenyane tsa karolo e le 'ngoe ea lihlahisoa tse sa tloaelehang;ho feta Setifikeiti sa boleng ba Machabeng sa lihlahisoa tsa li-valve;lihlahisoa tsa valve li lokela ho ntshetsa pele ka tataiso ea tšireletso ea tikoloho le ho boloka matla.Leha ho le joalo, ke ntho e ke keng ea qojoa hore bahlahisi ba bang ba sa tšepahaleng ba batlang phaello e le morero oa bona 'me ba sa tsilatsile ho senya lithahasello tsa ba bang ba senya tsoelo-pele e tloaelehileng ea lihlahisoa tsa li-valve.