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Silicon Nitride Degassing Rotor ka Mochini oa Degassing bakeng sa Aluminium Foundry
Boitsebiso bo Matla a Phahameng
High Wear Resistance
High Corrosion Resistance
Likarolo tsa mantlha
The silicon nitride degassing rotor, e nang le silicon nitride e le lisebelisoa tsa eona tsa mantlha, e kopanya moralo oa lebelo le phahameng haholo le taolo e nepahetseng ea sebopeho, e fihlelang katleho ea ts'ebetso ea ts'ebetso ea aluminium. Likarolo tsa eona tsa mantlha ke tse latelang:
I. Melemo ea Sesebelisuoa: Ho hanyetsa Mocheso, Ho hanyetsa ho Roala, 'me ha ho Tšoaetso.
- Bophahamo ba Tlhaho ho Feta Graphite: Rotor le impeller li entsoe ka silicon nitride. Ts'ebetso ea eona e nepahetseng le matla a eona a feta hole a graphite, e ts'ehetsang ho potoloha ka lebelo le holimo (ho fihla ho 8,000 rpm) le ho lelefatsa bophelo ba ts'ebeletso haholo.
- High - Temperature Oxidation Resistance: Ho batla ho se na oxidation libakeng tse phahameng tsa mocheso, ho qoba ka ho feletseng bothata ba "ho silafatsa aluminium e qhibilihisitsoeng" le ho netefatsa bohloeki ba sehlahisoa.
- Ho se sebetse ha Lik'hemik'hale: Ha e sebetsane le aluminium e qhibilihisitsoeng, e boloka ka mokhoa o tsitsitseng phello e nepahetseng ea ho senya nako e telele. Ha ho na lebaka la ho tšoenyeha ka ho senyeha ha thepa ho amang ts'ebetso.
II. Ho nepahala ha Sebopeho: Phahameng e Tsitsitseng - Ts'ebetso ea Lebelo, Sebaka sa Molten se Sephara
- Ultra - High Concentricity: The concentricity ea rotor e laoloa ka thata ka hare ho 0.2 mm (moo 1 "silika" = 0.01 mm). Nakong ea ho potoloha ka lebelo le phahameng, ho thothomela ho nyane haholo, ho felisa ho fetoha ha metsi ho bakoang ke ho lekana.
- Sistimi ea Khokahano e nepahetseng: Hlooho ea rotor le shaft e kopanyang li entsoe ka tšepe e sa hloekang, e nang le ts'ebetso e nepahetseng e fihlang boemong ba 0.01 - mm. Ho kopantsoe le kopano e nepahetseng haholo, "ho khanna ka lebelo le holimo" hoa fihlelleha, ho fokotsa ho feto-fetoha ha bokaholimo ba aluminium e qhibilihisitsoeng le ho netefatsa botsitso ba tlhahiso.
III. Lintlafatso tsa Ts'ebetso: Sebetsa, Botšepehi, le Phokotso ea Litšenyehelo
- Boima bo Phahameng + Matla a Phahameng: Thepa ena e 'meli e netefatsa ts'epahalo ea sebopeho mme ha ho kotsi ea deformation nakong ea ts'ebetso ea ultra - high - speed, e etsa hore e ikamahanye le maemo a feteletseng a ho sebetsa.
- Melemo e Ikhethileng e Bapisang: Ha e bapisoa le li-rotor tsa graphite, e hloka tataiso e felletseng bophelong ba ts'ebeletso, ho hanyetsa tšilafalo, le ho ikamahanya le maemo ka lebelo le phahameng. E fokotsa khafetsa ea ts'ebetso ea ho koala 'me ka tsela e sa tobang e ntlafatsa katleho ea tlhahiso.
Litlhaloso tsa Tekheniki
| Likaroloana | Melemo |
|---|---|
| Lintho tse bonahalang | graphite e phahameng haholo |
| Mocheso o Moholo oa ho sebetsa | Ho fihlela ho 1600°C |
| Khanyetso ea Corrosion | E ntle haholo, e boloka botšepehi ba aluminium e qhibilihisitsoeng |
| Bophelo ba Tšebeletso | E tšoarella nako e telele, e loketse ho sebelisoa khafetsa |
| Katleho ea Phallo ea Khase | E phahameng, ho netefatsa ts'ebetso e ts'oanang ea tlhoekiso |
Mokhoa oa ho khetha "Degassing Impeller"?
Mofuta oa F Rotor Φ250×33
Ka lebaka la boqapi bo khethehileng ba li-impeller grooves le meno a kantle a ka ntle, Mofuta oa F o etsa lipululana tse nyane. Boholo ba eona bo boholo bo ntlafatsa ho hasana ka aluminium e qhibilihisitsoeng, ha sehlopa se tšesaane se fokotsa ho feto-fetoha ha sebaka sa ho qhibiliha.
Kopo: E loketse li-ingot tse kholo tse bataletseng le melapo e chitja e qhibilihisang (habeli - rotor kapa triple - rotor degassing systems).
Mofuta oa B Rotor Φ200×30
Sebopeho sa impeller sa Mofuta oa B se hlahisa khatello e lekaneng ea ho etsa li-bubble tse nyenyane, tse ts'oanang ha li ntse li fokotsa mocheso oa mocheso.
Kopo: E loketse bakeng sa melapo e tsoelang pele ea ho lahla le ho qhibidiha (sistimi e le 'ngoe ea rotor degassing).
Mofuta oa D Rotor Φ200×60
Mofuta oa D o na le moralo oa mabili a nang le litekanyo tse habeli, o nolofalletsang ho ferekana le ho hasana ha lipululana.
Kopo: E loketse melapo e phahameng ea ho qhibiliha (habeli - rotor degassing thepa).
Mofuta oa A
Mofuta oa C
Silicon Nitride Lisebelisoa tsa Ceramic Melemo e totobetseng
Bophelo bo bolelele ba tšebeletso le litšenyehelo tse tlaase tsa tlhokomelo
Ka lebaka la matla a mocheso o phahameng, khanyetso e matla ea mocheso oa mocheso, le khanyetso e ntle ea kutu ea li-ceramics tsa silicon nitride, bophelo ba bona ba ts'ebeletso hangata bo fihla nako e fetang selemo, kahoo ba fokotsa litšenyehelo tsa ho nchafatsa le ho li lokisa.
Ha ho na tšilafalo ea aluminium e qhibilihisitsoeng
Silicon nitride e na le metsi a tlase ho litšepe tse qhibilihisitsoeng 'me ha e sebetsane le aluminium e qhibilihisitsoeng. Ka hona, e ke ke ea etsa hore tšilafalo ea bobeli e be aluminium e qhibilihisitsoeng, e leng thuso e kholo bakeng sa ho tsitsisa boleng ba lihlahisoa tse entsoeng ka tšepe.
Ha bonolo ho kenya le ho hlokomela
Silicon nitride ceramics e ka boloka matla a feto-fetohang a fetang 500MPa le khanyetso e ntle ea mocheso o tlase ho 800 ℃. Ka hona, botenya ba lerako la sehlahisoa bo ka etsoa hore bo be bobebe. Ho phaella moo, ka lebaka la ho ba le metsi a tlaase ho litšepe tse qhibilihisitsoeng, ha ho hlokahale hore ho sebelisoe seaparo sa holim'a metsi, e leng se etsang hore ho be bonolo ho kenya le ho boloka lisebelisoa.
Lethathamo la Papiso ea Litšenyehelo-Ts'ebetso ea Lisebelisoa tse Tloaelehileng tsa ho Koaheloa ho Indasteri ea Aluminium Processing
| Sehlopha | Index | Silicon nitride | Tšepe ea ho Lahlela | Graphite | Reaction-Sintered SiC | Carbon-Nitrogen Bonded | Aluminium Titanate |
|---|---|---|---|---|---|---|---|
| Tube ea Tšireletso ea Heater | Karolelano ea Bophelo | >10 | - | - | 3–4 | 1 | - |
| Karolelano ea Theko | >10 | - | - | 3 | 1 | - | |
| Litšenyehelo-Ts'ebetso | Phahameng | - | - | Mahareng | Tlase | - | |
| Phahamisa Tube | Karolelano ea Bophelo | >10 | 1 | - | - | 2 | 4 |
| Karolelano ea Theko | 10–12 | 1 | - | - | 2 | 4–6 | |
| Litšenyehelo-Ts'ebetso | Phahameng | Tlase | - | - | Mahareng | Mahareng | |
| Rotor ea ho hloekisa | Karolelano ea Bophelo | >10 | - | 1 | - | - | - |
| Karolelano ea Theko | 10–12 | - | 1 | - | - | - | |
| Litšenyehelo-Ts'ebetso | Phahameng | - | Mahareng | - | - | - | |
| Ho tiisa Tube | Karolelano ea Bophelo | >10 | 1 | - | - | - | 4–5 |
| Karolelano ea Theko | >10 | 1 | - | - | - | 6–7 | |
| Litšenyehelo-Ts'ebetso | Phahameng | Tlase | - | - | - | Mahareng | |
| Thermocouple Protection Tube | Karolelano ea Bophelo | >12 | - | - | 2–4 | 1 | - |
| Karolelano ea Theko | 7–9 | - | - | 3 | 1 | - | |
| Litšenyehelo-Ts'ebetso | Phahameng | - | - | Mahareng | Tlase | - |
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