Incamake y'ibicuruzwa - Ibisabwa byihariye by'Inkono za LF/VD Slag
A Inkono ya LF slag(igikoresho cyo gucukuramo ifuru) cyangwaInkono ya VD slag(indobo yo gukuramo imyuka mu buryo bw'umwuka)ibisigazwa by'ubukorikori– ntabwo ari ubushyuhe bwinshi kandi bukabije buva muri EAF cyangwa BOF, ahubwo ni uruvange rw’ishwagara, fluorspar, n’ibindi byuma byabugenewe gutunganya icyuma gishongeshejwe.
Ni iki gitandukanya inkono za LF/VD slag?
1. Ubushyuhe bwa Slag buri hasi (~1,500°C ugereranije na 1,650°C kuri EAF), ariko igihe cyo kuyihagarika ni kirekire cyane.– rimwe na rimwe iminota 60–90 kuri buri muriro. Inkono igomba kwihanganiraguhindura imiterere y'ubushyuheku bushyuhe buri hejuru.
2. Ifu y’ubukonje iba itose cyane iyo ishongeshejwe ariko ifata cyane iyo ikonje.Uduce twapfuye cyangwa impande z'imbere zityaye bitera ubwiyongere bw'ibishishwa bigabanya ubushobozi uko igihe kigenda gihita.
3. Gukuraho imyuka mu cyuma (VD) bitanga itegeko ridasanzwe: inkono y'ibisuguti ishobora gushyirwa munsi y'umwuka (0.5–1 torr) mu gihe gito. Uduce duto tw'ibisuguti dushobora gusohoka mu gaze, bigateraimiterere y'udupira mu cyumacyangwa – bibi kurushaho –guturika kw'inkononiba hari umwobo munini.
4. Inkono za LF/VD zikunze gufatwa n'umuringoti umwe uterura umuringoti w'icyuma.Ibi bivuze ko inkono igomba kuba yoroheje kandi ntoya kurusha inkono za EAF/BOF kugira ngo ihure n'intera y'ingufu z'umunara n'imiterere y'ingufu z'umunara.
5. Ubutabire bw'ibimera ni ingenzi (CaO/Al₂O₃ nyinshi), bwibasira imbibi za silikoni na aluminiyumu.Ni ngombwa kwita cyane ku bintu bitari iby'icyuma.
Inkono za Womic Steel zo mu bwoko bwa LF/VD slag zakozwe hakoreshejweingano nto cyane ya hydrogen, imiterere y'imbere iraryoshye, naingano ntoya kandi zitunganye– icyo ikoranabuhanga rya kabiri risaba.
Kuki wahitamo Womic Steel kuri LF/VD Slag Pots?
| Ibisabwa | Igisubizo cya Womic |
| Ingano ya hydrogen ≤1.5 ppm | Gukuraho imyuka itatu: VD nyuma yo gushonga, VD nyuma yo gutunganya, hamwe no gusohora imyuka mu gihe cyo gukoresha ubushyuhe (amasaha 48 kuri 650°C). |
| Ubudahangarwa bw'amazi ku bushyuhe bwa 1,500°C (2,730°F) | Ingano ya Mo iri hejuru (0.4–0.6%) mu bipimo byakozwe mu buryo bwa alloy, hamwe no kongera imbaraga z'umuti hamwe na vanadium. |
| Nta turere twapfuyemo ibisigazwa by'amazi | Imbere hagizwe gusa na radii >50mm; uduce tw’impinduka twa CNC-imashini kugira ngo dukureho cusps. |
| Guhuza imikorere y'ibikoresho byo mu bwoko bwa "vacuum" | Isuzuma rya 100% ry’amazi ya UT + helium rituma nta myenge ihujwe. Icyemezo cya <1e-6 mbar·l/s. |
| Yoroheje ariko ikomeye | Ubunini bw'urukuta bwakozwe neza na FEA (impuzandengo ya 40–50mm ugereranije na 60–70mm ku nkono za EAF); uburemere bwagabanutseho 25% nta gutakaza imbaraga. |
| Gusohora irangi ryoroheje | Igitambaro cyo koza cya keramike (kitarimo igitambaro kinini cyane) + irangi ry'ubuso risekuye (Ra ≤ 3.2 μm). |
| Ifite turret | Dukoresha laser mu gupima intwaro zawe zo mu ifuru y'ifuru, tugatanga icyitegererezo cya 3D kugira ngo turebe neza aho ziherereye mbere yo kuzikoresha. |
Turatanga kandigupima uburyo bwo gufatana kw'ibisigazwa by'amazi aho biri– dushyira uburemere bungana ku nkono, tugashyushya kugeza kuri 1.200°C, hanyuma tugapima imbaraga zikenewe kugira ngo hatagira ibisigazwa.
Ibisobanuro bya tekiniki – Inkono y'ibisuguti ya LF/VD yakozwe neza
Ubushobozi ugereranije n'ingano y'inkongoro
| Ubushobozi bwo gukora ikigega cy'icyuma (toni) | Ingano isanzwe ya LF Slag (toni) | Ubushobozi bwo gukoresha mu nkono (toni) | Uburemere bw'inkono (toni) | Dia y'inyuma (mm) | Uburebure (mm) |
| 60 | 4-6 | 6-8 | 9-12 | 1,200 | 900 |
| 80 | 6-9 | 10-12 | 14-18 | 1,350 | 1,050 |
| 100 | 8-12 | 12-15 | 18-22 | 1,500 | 1,150 |
| 120 | 10-15 | 15-20 | 22-28 | 1,600 | 1,250 |
| 150 | 12-18 | 20-25 | 28-34 | 1,700 | 1,350 |
| 180 | 15-22 | 25-30 | 34-40 | 1,800 | 1,450 |
Ingano z'inkono zigomba kuba zijyanye n'umuringoti w'ifuru - turatunganya ukurikije ibikoresho byawe.
Ingano z'ibikoresho kuri serivisi ya LF/VD
| Icyiciro | Ibiranga byihariye | Intego y'ibirimo bya H | Ingufu zo mu mazi (1.500°C, amasaha 100) | Ibyiza kuri |
| ZG270-500 Ultra-Low H | S≤0.012%, P≤0.015%, isuku y'umwuka ivamo umwuka | ≤1.8 ppm | 25 MPa | Icyuma gikoreshwa muri karuboni rusange LF |
| GS-20Mn5V (+V) | Vanadium 0.10-0.20% yo kurwanya gukurura | ≤1.5 ppm | 35 MPa | Icyuma gikozwe mu cy ...fata amapine, icyuma gifata amapine |
| ASTM A27 65-35 H yo hasi | Hamwe na Cu + Ni + Mo, kuvura dehydro | ≤1.2 ppm | 40 MPa | Icyuma cyihariye, ifumbire nini |
| 1.5415 (16Mo3) yahinduwe | Mo 0.25-0.35%, Cr 0.30% ntarengwa | ≤1.2 ppm | 55 MPa | Ubudahangarwa bukomeye bwo gukurura (VD ikomeye) |
Intego isanzwe:Ku bwinshi bwa porogaramu za LF, GS-20Mn5V itanga uburyo bwiza bwo gukoresha. Kuri VD (vacuum), buri gihe tubasaba gukoresha ASTM A27 65-35 Low H cyangwa 16Mo3 modified.
Amakuru y'ikizamini cy'icyorezo (Imbere mu bagore)
| Ibikoresho | Ubushyuhe | Guhangayika | Igihe cyo gucika (hagati) | Kurekura igihe cyo gucika |
| GS-20Mn5V | 1,500°C | 30 MPa | Amasaha 210 | 12% |
| Uburyo bwa ASTM A27 | 1,500°C | 40 MPa | Amasaha 165 | 8% |
| Mod ya 16Mo3 | 1,500°C | 50 MPa | Amasaha 98 | 6% |
*Izi gaciro zirenze cyane ibisabwa mu nkono ya LF slag (ubusanzwe amasaha 2-3 ku bushyuhe ntarengwa kuri buri bushyuhe).*
Porogaramu yo Guteka Hydrogen (ku bijyanye na serivisi yo gukamura imashini)
| Urugendo | Ubushyuhe | Igihe | Ikirere | Intego |
| 1 | 350°C | Amasaha 12 | Umucyo | Gukuraho ubushuhe bwa mbere |
| 2 | 550°C | Amasaha 24 | N₂ yumye | Gukwirakwira kwa atome ya hydrogen |
| 3 | 650°C | Amasaha 48 | Ifite N₂ yumye + 5% H₂ ifata | Kubura amazi mu buryo bwimbitse |
| 4 | Ubushyuhe bugera kuri 300°C (ifuru ikonje) | Amasaha 10 | N₂ yumye | Kurinda kongera kwinjiza ibinure |
Ingano ya nyuma ya hydrogen yemejwe na LECO analyzer (icyitegererezo cyavuye mu gice cy'imbere cya trunnion).
Umwirondoro w'imbere w'urujya n'uruza rw'ibishishwa bya synthetic
| Akarere | Umusozi | Umwanya w'ubugari | Kurangiza ubuso | Imikorere |
| Uruti rwo hejuru | 5° imbere | 75mm | Imashini, Ra 6.3 | Ubuyobozi bwo kwinjira mu byuma bivanze n'amazi |
| Igice cyo hejuru cy'umubiri | 8° taper | 50mm ihoraho | Imashini, Ra 3.2 | Kumanuka kw'ibisigazwa by'amazi |
| Umubiri wo hasi | 6° taper | 60mm zihoraho | Iraseye, Ra 1.6 | Kwihutisha gusohora |
| Hasi | Hemisphere | R = 150mm | Iraseye, Ra 1.6 | Nta gace gafite ahantu hadakomeye ho guhagarara |
Ubuso bw'imbere bworoshye kandi busesuye hamwe n'ubushyuhe bwa ceramic bugabanya gufatana kw'ibisigazwa ku kigero cya 70% ugereranije n'ubuso bukozwe mu buryo bwa cast.
Igenzura ry'Ubuziranenge ku Nkono za LF/VD Slag - Vacuum & Creep Focus
| Ikizamini | Uburyo | Kwemera |
| Ibikubiye muri hydrogen | Isesengura rya LECO rijyanye no gutwika | ≤1.5 ppm (cyangwa nkuko byavuzwe) |
| Ikizamini cyo kuvamo kwa Heliyumu | Icyumba cy'umwuka + spectrometero y'uburemere | Igipimo cyo kuva kw'amazi < 1 × 10⁻⁶ mbar·l/s |
| Ultrasonic (ingano yuzuye) | Icyiciro cyagenwe + TOFD | Nta busembwa buri ku murongo >3mm; porosity class 2 ntarengwa |
| Ikizamini cyo gucika intege (si ngombwa) | Umutwaro uhoraho kuri 1,500°C | Gucika >100h kuri 40 MPa |
| Ifite ingano (ifite imiterere ya turret) | Kugereranya hakoreshejwe laser + CAD | Nta kwivanga; icyemezo cyafashwe cyemejwe |
| Trunnion UT | Nk’uko bivugwa muri ASME V, hiyongereyeho inkingi y’urumuri | Nta bimenyetso by'umurongo >1.5mm |
| Ikizamini cyo kurekura ibishingwe | Icyitegererezo cy'ibipimo gifite slag ikoreshwa mu byuma | Ibisigazwa by'ibisigazwa <5% |
Uburyo bwo gukora - Gukoresha imashini zisukura no gusohora amazi bihuye
1. Guhitamo ibikoresho– P nkeya, ibisigazwa by'icyuma bito bya S + icyuma cy'ingurube, nta bisigazwa bishobora kongera kuzingirwa.
2. Gushonga kwa EAF + gutunganya LF– icyerekezo cya S<0.010%, P<0.012%, ubuvuzi bwa Ca.
3. Gukuraho imyuka mu cyuma gishyuha (VD) kuri dogere 0.5– Bika iminota 25, kuraho H kugeza kuri <1.5 ppm.
4. Gusuka hasi– Shyira ifu imwe mu ifu, ubushyuhe bugenzurwa neza (1.550–1.570°C).
5. Gukonjesha mu buryo bugenzurwa mu ibumba– amasaha 48 mbere yo kuzunguruka kugira ngo hirindwe ko amazi agabanuka cyane.
6. Gusukura no gusya mbere– kuraho imiringoti, uruziga.
7. Uburyo bwo kuvura ubushyuhe– 950°C, fata amasaha 2 kuri 25mm, uzimya umwuka ukoresheje imbaraga.
8. Guteka hakoreshejwe uburyo bwo gusohora amazi mu mubiri– nk'uko bigaragara mu mbonerahamwe ya protocole iri hejuru.
9. Gupima– 600°C, komeza amasaha 4, ushyire umwuka ukonje.
10.Imitako igoye– imiterere yo hasi, imiyoboro y'imirongo.
11.NDT (UT, MT, PT, ikizamini cyo kuva amazi mu mubiri)– kwangwa kose gutuma habaho ivugurura.
12.Imirimo ya nyuma yo gutunganya– imiterere y'imbere hamwe na CNC, igera kuri Ra 3.2.
13.Gukoresha imashini yo gukaraba hakoreshejwe ceramic– batera imiti, bayumisha mu mwuka, hanyuma bagakoresha umuriro kuri dogere selisiyusi 400.
14.Raporo ya nyuma n'ibimenyetso.
Gupfunyika mu nkono za LF/VD Slag (Isuku ijyanye n'isuku)
Kubera ko inkono za LF/VD zishobora gukoreshwa mu gukoresha ifuru, twirinda amavuta akomoka kuri hydrocarbon. Ahubwo:
● Ubuso bukozwe mu mashini burinzwe nafirime ya pulasitiki ibuza umuyaga kwangirika (VCI), ntabwo ari amavuta.
● Bifunze nezaagakapu k'ibikoresho byo mu bwoko bwa "vacuum cleaner"(niba ari ngombwa) niba bikenewe kugira ngo habeho serivisi ikomeye yo gusohora imashini.
● Agasanduku k'ibiti gakomejwe n'icyuma, agatuma amazi yo mu nzu asohoka.
● Kohereza mu ndege ibicuruzwa byihutirwa (uburemere bw'inkono < 1.500 kg ku ntoya).
Inyigo z'Urugero - Inkono za LF/VD Slag zirimo gukora
Urugero rwa 1: Uruganda rw'ibyuma bitanga amashanyarazi, mu Buyapani - Gukumira imyuka ya hydrogen
Ikibazo:Inkono zakoreshejwe mu gutunganya VD zagize imiyoboro nyuma y'amezi 18 bitewe no gushyushya hifashishijwe hydrogen.
Igisubizo:Womic yatanze inkono za ASTM A27 zifite hydrogen nkeya (H≤1.2ppm) hamwe n'amazi akoreshwa mu gutwika.
Ibisubizo:Amezi 36 kandi nta macandwe arimo. Subiramo gutumiza inkono 20.
Urubanza rwa 2: Uruganda rw'ibyuma by'imiyoboro, Ubudage - Guhindura imiterere y'imiyoboro
Ikibazo:Inkono ya LF yaguye ku murambararo nyuma y'imyaka 2, bituma turret ihinduka nabi.
Igisubizo:Ingano yahinduwe ya 16Mo3 ifite Mo iri hejuru, hamwe n'ubugari bw'urukuta bwiyongereyeho 8mm.
Ibisubizo:Nta guhindagurika gushoboka nyuma y'imyaka 3. Umukiriya yahisemo Womic nk'umucuruzi wenyine.
Urubanza rwa 3: Specialty Steel LF, muri Amerika – Slag Freeze-on
Ikibazo:Ibisigazwa by'ibishishwa byakozwe mu buryo bwa "synthetic slag" byagabanyije ubushobozi bwo gukora neza ku kigero cya 30% mu mezi 6.
Igisubizo:Imbere hakozwe ibara rya polished (Ra 1.6) + ceramic mesh.
Ibisubizo:Ubushobozi bwo kugabanya <5% nyuma y'amezi 12. Igihe cyo kujugunya imyanda cyagabanutseho 40%.
Porogaramu – Aho LF/VD Slag Pots ari ingenzi cyane
●Sitasiyo zo gutwika amatanura y'inkono (LF)– ku byuma bikozwe mu cyuma gikozwe mu cyuma, icyuma ...koreshwa mu byuma biremereye
●Imashini zikuraho imyuka (VD / VOD)– harimo n'ibiciro by'ibyuma bitagira umugese
●Ubwikorezi bw'ibisuguti by'inkakuva ku gutunganya kugeza ku kibuga cy'imyanda
●Inganda zikora ibyuma byihariyegukora ibyuma bifite isuku nyinshi (indege, imiyoboro)
●Ubushakashatsi n'inganda z'igerageza– inkono ntoya zo gukarabamo (toni 1-5)
Ibibazo Bikunze Kubazwa (Ibibazo Bikunze Kubazwa) – LF/VD Specific
Q: Kuki ingano ya hydrogen ari ingenzi cyane ku nkono z'ibirungo?
A: Mu gihe cyo gukuraho imyuka ihumanya ikirere, hydrogen yashongeshejwe mu cyuma ishobora gukwirakwira no kongera kwivanga muri hydrogen ya molekile ku bintu bitari iby'icyuma. Ibi bitera igitutu cy'imbere, bigatera udusebe cyangwa kwangirika - rimwe na rimwe byitwa "hydrogen flaking". Inkono za LF/VD zirapfa kuko zibikwa mu cyuma igihe kirekire.
Q: Ese ushobora kwemeza ko ingano ya hydrogen iri <1.0 ppm?
A: Yego, ariko bisaba uburyo bwihariye bwo gushonga (gushonga hakoreshejwe vacuum induction cyangwa electroslag remelting) kandi birahenda cyane. Ku bikorwa byinshi, 1.5 ppm irahagije.
Q: Ese mutanga isuzuma ry'amazi asohoka mu cyuma?
A: Yego, dukora isuzuma rya helium iyo tubisabye kandi tugatanga icyemezo gikurikije ISO 20485. Twemeza ko igipimo cyo kuvaho kw'amazi <1×10⁻⁶ mbar·l/s.
Q: Inkono za LF slag zigomba gusimbuzwa kangahe?
A: Ubusanzwe buri myaka 3-5, bitewe n'ingendo. Guhinduka kw'udusimba ni cyo kintu cy'ingenzi kigabanya ubuzima. Isuzuma rya buri mwaka rya UT rishobora kugaragaza icyuho cy'udusimba hakiri kare.
Q: Ese ushobora gutanga inkono zo mu bwoko bwa slag hamwe n'ikoti ry'umwuka ukonjesha?
A: Ku bikoresho bya LF bikenera gukonjesha vuba mbere yo kubikoresha ukundi, dushobora gushushanya ikoti ry’umwuka ry’icyuma (igitambaro cyo hanze cy’icyuma gifite imiyoboro y’umwuka). Ibi bigabanya igihe cyo gukonjesha kuva ku minota 90 kugeza ku minota 20.
Q: Ese amasafuriya yawe ya LF slag ahuye na sisitemu zo gutahura urwego rwa slag zikora ku buryo bwikora?
A: Yego. Dutanga agakoresho ko gushyiramo ibintu ku ruhande rw'umurambararo kugira ngo tubone radar cyangwa laser sensor. Ubundi buryo, dushobora gushyiramo thermocouples kugira ngo tumenye urwego rw'ibice bya slag.
Q: Mutanga amahugurwa yo kugenzura LF pot?
A: Yego, dutanga amahugurwa y'umunsi umwe ku itsinda ryawe rishinzwe kubungabunga: UT y'imigozi, ibipimo ngenderwaho byo kugenzura amaso, n'uburyo bwo gusana iminyururu.
Q: Ni iyihe garanti isanzwe ku nkono ya LF/VD slag?
A: Amezi 24 cyangwa 10.000 – icyo ari cyo cyose kiza mbere. Ku bijyanye no gukoresha imashini ikoresha umwuka udafite umwuka (hamwe n'ikizamini cyo kuva amazi), garanti yongererwa kugeza ku mezi 36 idasesagura hydrogen.
Witeguye kunoza uburyo bwo gucunga imashini yawe ya kabiri ikoreshwa mu byuma?
Hamagara Womic Steel kugira ngo ubone amakuruisuzuma ry'uko ifuru ishyirwa mu giterekonaisesengura ry'uburyo ibintu bihuye n'ibicuruzwa biva mu cyuma.
Urubuga: www.womicsteel.com
Imeri: sales@womicsteel.com
Terefone/WhatsApp/WeChat:
Victor: +86 15575100681
Jack: +86 18390957568
Womic Steel – Uburyo bwo gukora ibyuma neza cyane ku byuma bigezweho.
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