Ukuthuthukiswa kwe-German Vacuum Furnace C/C Composite Hot Zone: Anti-Deformation kanye ne-Lightweighting
Isifinyezo esiphezulu
Ucwaningo lwesifundo sokuthuthukisa isithando somlilo esiqeda igesi esinomfutho ophezulu we-vacuum yaseJalimane (1350°C / 20bar): I-VET Energy isebenzise ama-bolt ahlanganisiwe e-C/C angokwezifiso, ozimele abathwala umthwalo abalula, kanye nezinduku zokushisa ze-graphite ezimbozwe nge-CVD SiC ukuze zithathe indawo yezingxenye ze-molybdenum zendabuko kanye nezingxenye ze-graphite ezisindayo. Lokhu kuxazulule ngokuphelele ukuwohloka kokushisa okuphezulu kanye nokuphuka okuvamile. Ukusebenza okulinganisiwe: isisindo sefreyimu sincishisiwe ngo-62%, umthamo womthwalo ophelele ukhuphuke ngo-35%, ukusetshenziswa kwamandla kweqembu elilodwa kwehle ngo-22%, impilo yesevisi yezingxenye inwetshwe ngaphezu kokuphindwe kathathu, kanye nokonga izindleko zonyaka kudlule i-€22,000.
Isingeniso
Ezinqubweni zokucima igesi ezinomfutho ophezulu (i-HPGQ) kanye nokushisa okuphezulu kakhulu, ukusebenza kokushisa kanye nesisindo sokushisa sezingxenye ze-core hot zone kunquma ngqo umkhiqizo wemishini kanye nekhwalithi yokucima umsebenzi. Izitofu ze-vacuum zendabuko zivame ukuthembela ku-heavy molybdenum (Mo) noma i-graphite fixtures eceleni kwama-graphite bolts ajwayelekile. Ngaphansi kokujikeleza okukhulu kokushisa ku-1200°C–1400°C kanye nokushaqeka kokucima igesi okuphoqelekile komoya ophezulu okungama-bar angu-10–20, lezi zilungiselelo ezivamile zibhekana nokuwa okukhulu kokushisa okuphezulu, ukuphuka, kanye nokuqhekeka kwe-oxidative.
Lolu cwaningo luchaza indlela i-VET Energy eyasiza ngayo iklayenti laseJalimane lokwelapha ukushisa ukunqoba ukuguquguquka kwezinga lokushisa eliphezulu kakhulu kanye nezithiyo zokusetshenziswa kwamandla aphezulu ngokusebenzisa amandla aphezulu ngokwezifiso.Amabhawodi e-C/C ahlanganisiwe, ozimele abathwala imithwalo abalula ngezingqimba eziningi, kanyeIzinduku zokushisa ze-graphite ezimbozwe nge-CVD SiC/TaC.
Isithombe 1: Uhlaka olunamandla olunezingqimba eziningi ze-C/C olunezingqimba eziningi ezilula kanye nokuhlanganiswa kwama-bolt e-C/C esithandweni sokucima igesi esinomfutho ophezulu se-vacuum saseJalimane.Indlela Amafreyimu E-Carbon/Carbon Composite kanye Nama-Carbon Bolts Anqoba Ngayo Ukukhukhuleka Kwesimo Sezulu Esiphezulu Nokuphuka Okuvamile
Isimo Sesicelo kanye Namaphuzu Obuhlungu Beklayenti
Ingxenye yezindiza enembile edumile kanye nomhlinzeki wokwelashwa kokushisa kwesikhunta osezingeni eliphezulu eNorth Rhine-Westphalia (NRW), eJalimane, isebenzisa izitofu eziningi zokucima igesi eziphekwa ngomfutho ophezulu ezingama-20bar ezenziwe eJalimane ezinamazinga okushisa aphezulu afinyelela ku-1350°C. Lesi sitshalo sasisebenzisa i-molybdenum alloy yendabuko ehlanganiswe nezinto ze-graphite eziqinile, eziqinile, ezihlangabezana nezingqinamba ezinkulu:
- Ukukhathala Kokucindezeleka Kokushisa:Ama-bolts ajwayelekile e-graphite kanye nezinamathiselo ze-molybdenum zathola ukukhathala okukhulu kokucindezeleka kokushisa ngaphansi kokujikeleza okuvamile kokushisa, okwaholela ekuhlulekeni kwezinga lama-bolts amathathu kuya kwayi-5 aphukile njalo emavikini amabili kanye nokuphakama okukhulu ngesikhathi sokungasebenzi kokulungisa.
- Ukugoba Okuhambayo:Amapuleti omthwalo we-graphite abonise ukugoba okukhulu (ukwehluka kwe->8mm sag) ngaphansi kwemithwalo esindayo yesikhathi eside emazingeni okushisa aphezulu, okubangela ukungahambisani okuvamile kanye nama-alamu kumarobhothi okulayisha/ukukhulula ngokuzenzakalelayo.
- Ukulahlwa Kwamandla:Uhlaka olusindayo lwezinti lwamunca cishe u-40% wamandla okushisa, okwabangela ukumosheka okukhulu kukagesi ngaphakathi kwendawo eshisayo yesithando somlilo.
Isixazululo Sobuchwepheshe Nokusetshenziswa
- Ukuxilongwa kanye nokulingisa kwe-FEA (Ukuhlolwa Kokuqala):Ithimba lisebenzise i-FEA (i-Finite Element Analysis) ukulingisa imithelela yesakhiwo ngaphansi kwamazinga okushisa aphezulu angu-1350°C kanye nokugeleza kwegesi yokucima i-helium/nitrogen engu-20bar. Kukhethwe i-carbon-matrix composite (C/C) eqiniswe nge-3D ene-needle-woven/cross-woven carbon fiber (C/C), enobukhulu obulawulwa ku-1.75–1.85 g/cm³ kanye namandla okuguquguquka adlula i-220 MPa (efinyelela amazinga okwakheka aphezulu ngaphansi kwe-ASTM C1358 [Qaphela 1]).
- Ukukhiqizwa Ngokunembile Kwamafreyimu Alula Nama-C/C Bolts Amelana Nokucheba (Ukuthuthukiswa Kwesikhathi Esimaphakathi):Kuklanywe amapuleti omthwalo we-C/C afakwe i-grid-pattern kanye nochungechunge oluphelele lwe-M10–M24 lwama-bolt e-C/C anamandla aphezulu. Izintambo zama-bolt zacutshungulwa ngokusebenzisa imishini ekhethekile ye-CNC kanye nokuqina kwe-Chemical Vapor Infiltration (CVI), okwandisa amandla okushefa ngamaphesenti angaphezu kuka-400 uma kuqhathaniswa nama-bolts ajwayelekile e-graphite ngenkathi ebekezelela ukushaqeka kokushisa okuvama kakhulu.
- Ukuhlanganiswa Endaweni kanye nokuhlolwa kwesimo esibi kakhulu kwezinsuku ezingama-60 (Ukuqinisekiswa Kokugcina):Ngithathe indawo ye-graphite/metal hybrid fixture enkulu (~180 kg) ngohlaka lokulayisha lwe-VET Energy lwe-modular C/C (isisindo esiphelele singama-68 kg kuphela). Phakathi nezinsuku ezingama-60 zokuhlolwa okuqhubekayo kokucima igesi okunomfutho ophezulu esikhungweni seklayenti eJalimane (Umthombo: Umbiko Wokwamukelwa Kwamakhasimende e-VET Energy German, Mashi 2026, Inombolo Yombiko: VTK-DE-2026-021 [Qaphela 2]), ama-bolt e-C/C awazange aqhekeke, futhi ukuphambuka kwepuleti lomthwalo kwahlala kungaphansi kuka-0.2mm—okuhambisana kahle nezinhlelo zokuphatha zamarobhothi ezenzakalelayo. Ngemuva kokusetshenziswa, impilo yesevisi yengxenye ye-hot zone yanda ngaphezu kwezikhathi ezi-3, futhi isikhathi sokungasebenzi esingahlelelwe ngenxa yokuphuka kwamabholt sasuswa.
Ukuthuthukiswa Kwesakhiwo Sezintambo Zokushisa Ezingacwengekile Ze-Graphite Ezingenasici kanye Nezimbozo Ze-SiC/TaC Ekucimeni Igesi
Isimo Sesicelo kanye Namaphuzu Obuhlungu Beklayenti
Izinduku zokushisa ze-graphite ezitsheni zokucima igesi ezisebenzisa i-vacuum zisebenza ku-1350°C. Ngesikhathi sesigaba sokucima igesi esinomfutho ophezulu, amajethi egesi abandayo ngesivinini samamitha angamashumi ngomzuzwana ageza ngqo phezu kwezindawo zezinduku zokufudumala, okubangela ukushaqeka okukhulu kokushisa kanye nokucindezeleka komshini. Ngesikhathi esifanayo, umswakama omncane kanye nomoya-mpilo osele ngaphakathi kwegumbi lokuhlanza kubangela i-graphite engenalutho ukuthi i-oxidize futhi ichithe. Lokhu kuholela ekuguqukeni okukhulu kokumelana, ukuwohloka kokulingana kwezinga lokushisa lendawo eshisayo (>±10°C) futhi kubangele ubulukhuni bokucima umsebenzi obungaguquki.
Isixazululo Sobuchwepheshe Nokusetshenziswa
- Ukukhethwa Kwe-Substrate (Umklamo Wokuqala):I-graphite ekhethiwe ehlanzekile kakhulu, e-isostatic ecolekile kakhulu enokuqukethwe komlotha < 20 ppm kanye nosayizi wezinhlamvu < 10 μm. I-coefficient yayo yokwandisa ukushisa (i-CTE) ifanelana kahle ne-SiC coating, ivimbela ukuqhekeka kwe-coating ngesikhathi sokujikeleza okukhulu kokushisa.
- Ukufakwa Kwe-CVD SiC / TaC Gradient Dense Coating Deposition (Ukukhiqiza Kwesikhathi Esimaphakathi):Kusetshenziswe i-High-Temperature Chemical Vapor Deposition (CVD) ukuze kufakwe ungqimba oluvikelayo lwe-SiC noma i-TaC oluyi-80–120 μm olujiyile ezindongeni zokushisa kanye nezingxenye zokuxhuma ze-C/C. Ubuningi be-coating buhlangabezana ne-SEMI 2026 Draft Standard for Semiconductor Hot Zone Components [Note 3], okufinyelela ubulukhuni bomphezulu be-HV 2500 kanye ne-porosity ecishe ibe yi-zero.
- Ukuqinisekiswa Kokuqina Kokucinywa Kwegesi Nokuqina Kwe-Electrothermal (Ukuhlolwa Kokugcina):Kwenziwe imijikelezo engu-120 yokushaqeka okusheshayo kokushisa ngaphakathi kwesithando sokucima i-helium esine-20bar ephezulu eJalimane (Umthombo: Umbiko Wokwamukelwa Kwamandla we-VET, Inombolo Yombiko: VTK-DE-2026-021 [Inothi 2]). Ukuhlola kuqinisekisile ukuthi ukugqoka kuvimbele ngempumelelo ukuhlaselwa kwe-oxygen okusele ku-graphite substrate, kugcina ukugeleza kokumelana kungaphansi kuka-1.5% futhi kugcina ukufana kwendawo yokushisa okusebenzayo ngaphakathi kuka-±3°C. Imiphumela: Akukho ukuqhekeka noma ukuqhekeka kwendawo, ukusebenza kahle kokuguqulwa kwe-electrothermal kukhuphuke ngo-12%, kanye nokuphila kwesikhathi senduku yokushisa kunwetshiwe kusukela ezinyangeni ezingu-8 kuya ezinyangeni ezingaphezu kuka-26.
Ukuhlolwa Okulinganiselwe Kokuhlanzwa Kwendawo Eshisayo Okulula Ngomthamo Womthwalo Nokusebenza Kahle Kwamandla
Isimo Sesicelo kanye Namaphuzu Obuhlungu Beklayenti
Phakathi kokushintsha kwamandla eYurophu kanye namanani aphezulu kagesi wezimboni, izikweletu zamandla zibiza ngaphezu kuka-35% wezindleko zokusebenza kwamabhizinisi aseJalimane okwelapha ukushisa. Izinto zendabuko zensimbi esindayo/i-graphite azisebenzisi nje kuphela umthamo omkhulu wokusebenza ngaphakathi kwegumbi kodwa futhi zidinga amandla amakhulu ukuze zifudumale isisindo sezinto zokukhiqiza ngokwazo phakathi nomjikelezo ngamunye.
Ukusetshenziswa Kobuchwepheshe kanye Nenani Elilethwe
- Umklamo Wokunqwabelanisa Onodonga Oluncane Nolunezingqimba Eziningi:Ukusebenzisa amandla aphezulu kakhulu (isilinganiso samandla kuya kobuningi) sama-composites e-C/C, ubukhulu bepuleti buncishisiwe kusuka ku-35mm (i-graphite) kuya ku-12mm. Isisindo esiphelele se-fixture sehle kusuka ku-180 kg saya ku-68 kg—ukwehla ngo-62%.
- Amandla Okulayisha Anwetshiwe kanye Namazinga Okushisa Okusheshayo:Amapuleti odonga oluncane andise isikhala segumbi eliqondile elisebenzisekayo ngo-25%, okwandisa umthamo wengxenye yokusebenza ngebhetshi ngayinye yesithando somlilo kusuka ku-450 kg kuya ku-608 kg (+35% umthamo we-net output). Ngaphezu kwalokho, ukunciphisa isisindo sokushisa esibangelwa yizinambuzane kunciphise isikhathi sokushisa sibe ngu-1350°C ngemizuzu eyi-18.
Umthelela Wezezimali Ophelele (Umthombo: Umbiko Wokwamukelwa Kwamakhasimende e-VET Energy German, Mashi 2026, Inombolo Yombiko: VTK-DE-2026-021 [Qaphela 2]):Ukusetshenziswa kwamandla okuphelele kwe-single-batch kwehle ngo-22%. Ngokusekelwe emananini kagesi endawo aseJalimane kanye nokusebenza kwaminyaka yonke kwemijikelezo engu-300, isithando somlilo esisodwa sokucima igesi esinomoya owodwa siletha imali engaphezu kuka-€22,000 (~RMB 170,000) ekongeni izindleko zamandla nokulungisa minyaka yonke, okufeza isikhathi sokubuyisela sezinyanga ezingu-4.2 kuphela.
Imininingwane Eyinhloko: I-VET Energy C/C Composites kanye Nezingxenye Ze-Graphite Hot Zone
| Umkhiqizo/Ingxenye | Uhlobo Lwezinto Ezisetshenziswayo/Lokumboza | Ubuningi (g/cm³) | Amandla Okuguquguquka (i-MPa) | Izinga Lokushisa Eliphezulu (I-Vacuum/I-Inert) | I-CTE (10⁻⁶/K) | Izinzuzo Eziyinhloko kanye Nokusetshenziswa |
|---|---|---|---|---|---|---|
| Amabholthi ekhabhoni e-C/C nama-Nuts | I-C/C Ebhotshozwe Ngenaliti Ye-3D | 1.78 ~ 1.85 | ≥ 210 [Inothi 1] | 2200 ℃ | 1.2 ~ 1.8 | Amandla aphezulu okucheba, akukho ukuphuka kwezinga lokushisa eliphezulu kakhulu; ithatha indawo ngokuphelele yamabholthi ensimbi/i-graphite. |
| Ipuleti Lomthwalo Elilula le-C/C | I-C/C Elukiwe Ngokuphambene | 1.75 ~ 1.82 | ≥ 230 | 2200 ℃ | 1.0 ~ 1.5 | Umthamo womthwalo ophezulu odongeni oluncane, awunciphisi izinga lokushisa kakhulu; isisindo sincishisiwe ngo->60%. |
| Ikholomu Yesakhiwo se-C/C | Ubuningi obuphezulu C/C | 1.80 ~ 1.88 | ≥ 240 | 2200 ℃ | 1.2 ~ 1.6 | Idizayini yokubeka i-modular stacking; imelana nokuqedwa komoya okucima igesi okungama-20bar kanye nokushaqeka kokushisa. |
| I-Graphite Heating Rod Substrate | I-Graphite Engacwengekile Kakhulu | 1.82 ~ 1.88 | ≥ 55 | 3000 ℃ | 4.2 ~ 4.8 | Okuqukethwe komlotha <20ppm, ukuguqulwa kwe-electrothermal okuphezulu, ukufana kwensimu yokushisa okuhle kakhulu. |
| Induku yeGraphite Embozwe yi-CVD SiC | I-Graphite Engashintshi + I-CVD SiC | — (80-120μm) | Ukuqina Kokumboza >HV2500 [Inothi 3] | 1600 ℃ | 4.5 | Ukumelana okungavamile kwe-oxidation/scour, ukukhukhuleka kokumelana ne-resistivity <1.5%, isikhathi senkonzo esandisiwe kakhulu. |
| Induku yeGraphite Embozwe yi-CVD TaC | I-Isostatic Graphite + CVD TaC | — (50-100μm) | Indawo Yokuncibilika 3880℃ | 2200 ℃ | 6.2 | Indawo yokuncibilika ephezulu kakhulu kanye nokumelana nokugqwala okukhulu; yenzelwe izindawo ezishisa kakhulu ezingaphezu kuka-2000℃. |
Imibuzo Evame Ukubuzwa (Imibuzo Evame Ukubuzwa)
Q: Kungani ama-bolt e-C/C carbon engcono kune-molybdenum metal bolts ekwelashweni kokushisa kwe-vacuum okungaphezu kuka-1350°C?
A: Insimbi ye-Molybdenum (Mo) idlula ekuqhekekeni kwe-recrystallization emazingeni okushisa aphezulu futhi inobuningi obuphezulu (10.2 g/cm³). Ngokuphambene nalokho, ama-composite e-C/C anobukhulu obungu-~1.8 g/cm³ kuphela, futhi amandla awo empeleni ayanda ngokushisa (okubonisa ukuqhekeka okungaphansi kuka-2000°C), okuqeda ngokuphelele ukubanjwa yi-bolt kanye nokuqhekeka okuqhekekayo.
U: Uyini umehluko phakathi kwezinduku zokushisa ze-graphite ezimbozwe nge-CVD SiC kanye ne-CVD TaC, futhi kufanele ngikhethe kanjani?
A: Isembozo se-CVD SiC simelana namazinga okushisa afinyelela ku-1600°C futhi sisebenzisa kahle izindleko, okwenza kube kuhle kakhulu kuma-vacuum quenching kanye nama-carburizing furnaces ajwayelekile. Isembozo se-CVD TaC (tantalum carbide) sinezinga lokuncibilika eliphakeme kakhulu elingu-3880°C kanye nokumelana nokushisa okungaphezu kuka-2000°C, esiklanyelwe ngqo ukushisa okuphezulu kakhulu kanye nemimoya ebolile kakhulu.
U: Ukushintsha izixhumi ngozimele zomthwalo we-C/C okulula kuyithinta kanjani ijubane legesi yokupholisa ngesikhathi sokucima igesi enomfutho ophezulu?
A: Ozimele bomthwalo we-C/C basebenzisa izakhiwo ezinemigodi emincane ezinciphisa indawo yokuvikela umoya ngaphezu kuka-40%. Lokhu kuvumela igesi yokucima i-nitrogen noma i-helium ukuthi ingene kahle kakhulu emvilophini womsebenzi, okunikeza amazinga okupholisa afanayo futhi kunciphisa ukuphambuka kokucima umsebenzi ngaphezu kuka-30%.
Lungiselela Ukusebenza Kahle Kokushisa Kwesithando Sakho Se-Vacuum Namuhla
Ufuna ukuqeda ukwehluleka kwezingxenye njalo nokunciphisa izindleko zakho zamandla okusebenza? Cela ukuhlolwa kokulungiswa kwezindawo ezishisayo okwenziwe ngokwezifiso kochwepheshe bezinto ze-VET Energy.
Isikhathi sokuthunyelwe: Agasti-29-2026