Lisebelisoa tsa tšepe tse sa hloekang bakeng sa fektheri ea lisebelisoa tsa matla li hloka ho feta feela ho hanyetsa kutu - li hloka botsitso bo boholo tlas'a libaesekele tse futhumetseng, botšepehi ba microstructural ho 400 ° C +, le mamello ea zero bakeng sa porosity libakeng tse nang le khatello e phahameng. Re bone matlo a mararo a hlōlehileng a li-valve tsa turbine a khutla femeng ea matla ea Asia Boroa-bochabela hobane setsi sa motheo se tlotse tlhahlobo ea ultrasonic sebakeng sa heke ea weld. Ke ka lebaka leo ho hlakisa lisebelisoa tsa tšepe tse sa hloekang bakeng sa fektheri ea lisebelisoa tsa matla ho bolela ho hokahanya mahlale a thepa, taolo ea ts'ebetso ea ho lahlela, le netefatso ea ts'ebetso - eseng feela ho tšoaea lebokose la maemo joalo ka "CF8M".
Hobaneng ha Investment Casting e Betla ho Lahlela Lehlabathe bakeng sa Likarolo tsa Matla a Bohlokoa
Ha se lisebelisoa tsohle tsa tšepe tse sa hloekang tse sebetsang ka ho lekana tlas'a khatello ea mocheso oa cyclic. Likhoeling tsa rona tse 18 tse fetileng tsa tlhahiso ea matlo a pompo bakeng sa bareki ba oli le khase ea kantle ho naha, likarolo tsa 316L tsa matsete li bonts'itse li-microcracks tse fokolang ka 42% kamora khatello ea 5,000 khahlano le likarolo tse lekanang tsa lehlabathe. Hobaneng? Ts'ebetso ea matsete e fana ka mamello e matla (± 0.3 mm vs ± 1.2 mm), pheletso e ntle ea bokaholimo (Ra 3.2 µm vs Ra 12.5 µm), le ho tšoana ho holimo ha lijo-thollo - ho bohlokoa haholo ha karolo ea hau e ts'oara pompo ea phepelo ea boiler ea hlooho e phahameng e sebetsang ho 220 bar.
Ho lahla lehlabathe ho ntse ho sebetsa bakeng sa metheo e meholo, e nang le khatello e tlase - joalo ka metheo ea pompo kapa liforeimi tsa tšehetso ea turbine-moo boima le litšenyehelo li leng teng. Empa bakeng sa likopano tse potolohang, lihlopha tsa li-valve, kapa matlo a maraba a mouoane, ho kenya chelete ho ke ke ha buisanoa. Re netefatsa sehlopha se seng le se seng ka tlhahlobo ea spectral, liteko tsa tensile ka ASTM A743, le tlhahlobo ea radiographic ho ASME BPVC Karolo ea V. Ha ho mekhelo.
Khetho ea Lintho Hase Feela Mabapi le Linomoro tsa Kereiti
"316 stainless" ha e u bolelle letho ka ts'ebetso ea 'nete ea lefatše. Re botsa lipotso tse tharo pele re qotsa: Mocheso o moholo oa ho sebetsa ke ofe? Na chloride e teng-esita le ho 5 ppm? Na karolo e na le mokhathala o itseng kapa moroalo o tsitsitseng?
- Bakeng sa li-valve tsa condenser tse pholileng ka metsi a leoatle: Re hlakisa F44 (UNS S32750) super duplex-eseng 316-hobane PREN ea eona> 40 e hanela ho phunya moo chloride e tsepamisitseng maikutlo teng.
- Bakeng sa lipompo tsa brine tsa geothermal: ASTM A995 Gr. 6A (CD4MCu) e sebetsana le H₂S + CO₂ betere ho feta limaraka tse tloaelehileng tsa duplex ka lebaka la tekano e laoloang ea ferrite/austenite.
- Bakeng sa tšebeletso ea nyutlelie: Li-casting tsa CF3M li na le tharollo e felletseng ea ho tima + ho tima ho latela ASTM A351, ebe tlhahlobo ea kutu ea intergranular ka ASTM A262 Practice E.
Re hana lintho tse tala ntle le litlaleho tsa liteko tsa leloala tse bontšang trace elements-haholo-holo sebabole (<0.015%) le oksijene (<0.002%). Nako ea ho phomola ha moreki ea likhoeli tse 12 e ile ea khutlela morao ho sebabole se phahameng se bakang ho taboha ho chesang ha mosebetsi oa ho qetela o etsoa. Thuto eo e ile ea fetola melaoana ea rona ea tlhahlobo e tlang—le ea bona.
Khokahano e Ntse e Rarolla Lintlha tsa Bohloko ba Tlhahiso ea 'Nete
Liphoso tse ngata ha li etsahale ka ho lahla — empa ho sehokelo lipakeng tsa ho lahla le ho sebetsa. 'Mele oa valve oa lehlabathe o ka feta NDT, leha ho le joalo oa 0.15 mm nakong ea ho sila ka CNC ka lebaka la khatello ea maikutlo e setseng. Re felisa kotsi eo ka ho laola ketane e felletseng: ho lahlela → kalafo ea mocheso oa khatello ea maikutlo → machining a thata → botsofali → ho qeta mochini → netefatso ea CMM.
Setsi sa rona se lumellanang le ISO se tsamaisa tatelano ena tlas'a marulelo a le mong. Re lekanya boro e 'ngoe le e 'ngoe ea bohlokoa ka litekanyo tsa moea tse lekantsoeng letsatsi le letsatsi; netefatsa boteng ba li-valve stem bores u sebelisa li-optical comparators; le ho thatafala ha 'mapa ho pholletsa le libaka tse nang le mocheso o nang le lihlahlobi tse nkehang tsa Rockwell. Ha moreki oa Europe a ne a hloka matlo a 48 a tšoanang a 'musisi oa turbine a tlisoang ka libeke tse 11, re ile ra etsa paterone, ra tšela, ra e lokisa, ra ba ra lekoa - kaofela re le ka tlung. Ha ho li-handoffs. Ha ho puisano e fosahetseng. Ha ho na likhechana tsa kemiso.
Sena ha se bonolo - ke fisiks. Ho etsa mochini oa ho lahla ntle le ho tseba hore na o fana ka khatello ea maikutlo joang ho tšoana le ho lokisa enjene e koaletsoeng mahlo.
Seo Ha e le Hantle U se Hlokang Pele U Etsa Odara ea Hao ea Pele
Se ke oa re romella faele ea CAD mme u lebelle quote. Tlisa lintlha tsena tse 'ne tlhahlobong ea boenjiniere:
- Setšoantšo se tšoailoeng se totobatsang li-callout tsa GD&T tse amang tšebetso—eseng feela botle ba botle.
- Lintlha tsa tikoloho ea ts'ebetso: mocheso o phahameng ka ho fetesisa, k'hemistri ea mokelikeli (e nang le pH, chloride, maemo a H₂S), le potoloho ea mosebetsi (e tsoelang pele vs intermittent).
- Litlhoko tsa tlhahlobo: khatello ea hydrotest, mokhoa oa NDT (RT/UT/PT), le litekanyetso tsa ho amohela (mohlala, "ha ho lipontšo> 1.5 mm ka bolelele").
- Litlhoko tsa ho latella: Na u hloka ho latelloa ka botlalo ho palo ea mocheso? Material certs ka EN 10204 3.1 kapa 3.2?
Re tla araba ka hare ho lihora tse 48 ka maikutlo a manufacturability-ho kenyeletsoa le litlhahiso tse kang ho fallisa karolo e tšesaane ea lebota ho qoba ho honyela kapa ho eketsa sekhutlo ho fokotsa matla a ho lokolla hlobo. Ke kamoo li-casting tsa tšepe tse sa hloekang bakeng sa fektheri ea thepa ea matla li tlohang ho tloha ho tse khethehileng ho ea ts'ebetsong e ka tšeptjoang.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e haha likarolo tse phelang-eseng feela ho kopana le spec. Tsepamiso ea rona e lula e le moqotetsane: lisebelisoa tse nepahetseng bakeng sa li-hydraulic system, oli le lisebelisoa tsa khase, le likopano tsa pompo tse entsoeng ka boenjiniere moo ho hlōleha e seng khetho. Ha re lelekise molumo. Re rarolla mathata a dimensional, metallurgical, le tshebetso-ho qala ka ho tšela pele.
