Ezindaweni zokushisa ezishisa kakhulu zezimboni (ezifana neziguquli zensimbi, amaladi, neziqhumane zomlilo),izitini ze-magnesium carbonzigqame njengezinto eziqinile eziphikisayo, ngenxa yokumelana kwazo okuhle kakhulu nokugqwala, ukuzinza kwezinga lokushisa eliphezulu, nokumelana nokushaqeka kokushisa. Inqubo yokukhiqiza yalezi zitini iyinhlanganisela eqinile yobuchwepheshe nokunemba—isinyathelo ngasinye sinquma ngokuqondile ikhwalithi yokugcina yomkhiqizo. Ngezansi, sikuthatha ekuhambiseni okuphelele kokusebenza kokukhiqiza kwezitini ze-magnesium carbon, siveza ukuthi siqinisekisa kanjani ukuthi isitini ngasinye sihlangabezana nezindinganiso zezinga lezimboni.
1. Ukukhethwa Kwezinto Ezingavuthiwe: Isisekelo Sezitini Zekhabhoni Yekhabhoni Yekhwalithi Ephakeme Ye-Magnesium
Ikhwalithi yezinto zokusetshenziswa iwumugqa wokuqala wokuzivikela ekusebenzeni kwezitini ze-magnesium. Sinamathela kumibandela yokukhetha eqinile ukuze siqinisekise ukuthi ingxenye ngayinye ihlangabezana namazinga aphezulu:
I-High-Purity Magnesia Aggregate:Sisebenzisa i-magnesia ehlanganisiwe noma i-sintered magnesia enokuqukethwe kwe-MgO engaphezu kuka-96%. Le nto eluhlaza ihlinzeka isitini ngokumelana okuqinile kwezinga lokushisa eliphezulu nokumelana nokugqwala, ukumelana ngempumelelo nokuguguleka kwensimbi encibilikisiwe kanye ne-slag eziko.
Umthombo Wekhabhoni Yebanga Eliphezulu:I-graphite ye-flake yemvelo enokuqukethwe kwekhabhoni engu-90%+ ikhethiwe. Ukwakheka kwayo okunezingqimba kuthuthukisa ukumelana nokushaqeka kwezitini, kunciphisa ubungozi bokuqhekeka ngenxa yoshintsho olusheshayo lokushisa ngesikhathi sokusebenza kwesithando somlilo.
I-Premium Binder:I-Phenolic resin (elungiselwe ukumelana nezinga lokushisa eliphezulu) isetshenziswa njenge-binder. Iqinisekisa ukuhlangana okuqinile phakathi kwe-magnesia ne-graphite, kuyilapho igwema ukuguquguquka noma ukubola emazingeni okushisa aphezulu, okungathinta ubuqotho besitini.
Landela Izithako:Inani elincane lama-antioxidant (njenge-aluminium powder, i-silicon powder) kanye nezinsiza-sintering zengezwa ukuze kuvinjelwe i-graphite oxidation futhi kuthuthukiswe ukuminyana kwezitini. Zonke izinto zokusetshenziswa zihlolwa imizuliswano emi-3 yokuhlanzeka ukuze kuqedwe ukungcola okungenza kube buthaka ukusebenza
2. Ukuchoboza kanye ne-Granulating: Ukulawula Usayizi Wezinhlayiya Ezinembile Zokwakheka Okufanayo
Ukusatshalaliswa kosayizi wezinhlayiyana okulinganayo kuyisihluthulelo sokuqinisekisa ukuminyana namandla ezitini ze-magnesium carbon. Lesi sigaba silandela amapharamitha wobuchwepheshe aqinile:
Inqubo yokuchoboza:Okokuqala, amabhlogo amakhulu e-magnesia kanye ne-graphite kuchotshozwa kube yizinhlayiya ezincane kusetshenziswa ama-crusher emihlathi kanye nezingqimba zomthelela. Ijubane lokuchoboza lilawulwa ku-20-30 rpm ukugwema ukushisa ngokweqile kanye nokulimala kwesakhiwo sempahla eluhlaza.
Ukuhlolwa nokuhlukaniswa:Izinto ezichotshoziwe ziskrinwa ngezikrini ezidlidlizayo zezendlalelo eziningi (ezinosayizi abanemeshi ongu-5mm, 2mm, no-0.074mm) ukuze bazihlukanise zibe izingxenye ezimahhadla (3-5mm), ama-aggregate amaphakathi (1-2mm), ama-aggregate amahle (0.074-1mm), kanye nezimpushana ze-ultrafine (<074mm). Iphutha likasayizi wezinhlayiyana lilawulwa phakathi kuka-±0.1mm
I-Granule Homogenization:Ubukhulu bezinhlayiya obuhlukene buxubene ku-mixer enesivinini esiphezulu imizuzu engu-10-15 ngesivinini se-800 rpm. Lokhu kuqinisekisa ukuthi iqoqo ngalinye lama-granules linokwakheka okungaguquguquki, ukubeka isisekelo sokuminyana kwezitini ezifanayo.
3. Ukuxuba Nokuxova: Ukuzuza Ukubambisana Okuqinile Phakathi Kwezingxenye
Isiteji sokuxuba nokuxova sinquma amandla okubopha phakathi kwezinto ezingavuthiwe. Sisebenzisa izixube ezithuthukisiwe ze-double-helix futhi silawula ngokuqinile izimo zenqubo:
Ukuxutshwa Ngaphambi Kwezinto Ezomile:Izilinganiso ezimahhadlahhadla, eziphakathi nendawo nezicolekileyo ziqala zixutshwe zome imizuzu emi-5 ukuze kuqinisekiswe ukusatshalaliswa okulinganayo kwengxenye ngayinye. Lesi sinyathelo sigwema ukugcwala kwendawo kwekhabhoni noma i-magnesia, okungase kubangele umehluko wokusebenza
Ukwengeza i-Binder nokuxova:I-phenolic resin eguquliwe (eshiselwe ku-40-50℃ ukuze uthole uketshezi olungcono) yengezwa engxubeni eyomile, elandelwa imizuzu engu-20-25 yokuxova. Izinga lokushisa le-mixer ligcinwa ku-55-65 ℃, futhi ingcindezi ilawulwa ku-0.3-0.5 MPa-lokhu kuqinisekisa ukuthi i-binder igoqa ngokugcwele inhlayiyana ngayinye, yakhe isakhiwo esizinzile se-"magnesia-graphite-binder".
Ukuhlola Ukuvumelana:Ngemuva kokuxova, ukuhambisana kwengxube kuhlolwa njalo ngemizuzu eyi-10. Ukuvumelana okuhle kungu-30-40 (kukalwa imitha yokulinganisa ejwayelekile); uma yome kakhulu noma imanzi kakhulu, isilinganiso se-binder noma isikhathi sokuxova siyalungiswa ngesikhathi sangempela.
4. Ukwakha Cindezela: Ukuma Kokucindezela Okuphezulu Kokuminyana namandla
Ukwakhiwa kwabezindaba kuyisinyathelo esinikeza izitini zekhabhoni ye-magnesium isimo sazo sokugcina futhi siqinisekise ukuminyana okuphezulu. Sisebenzisa umshini wokunyathelisa we-hydraulic ozenzakalelayo nokulawula ukucindezela okunembile:
Ukulungiselela isikhunta:Izibunjwa zensimbi ezenziwe ngokwezifiso (ngokwezidingo zekhasimende zosayizi wezitini, ezifana no-230×114×65mm noma osayizi abamise okukhethekile) ziyahlanzwa futhi zimbozwe nge-ejenti yokukhulula ukuvimbela ingxube ukuthi inganamatheli esibunjeni.
Ukucindezela Okuphezulu:Ingxube ehlanganisiwe ithululelwa esikhunjini, futhi umshini wokucindezela we-hydraulic usebenzisa ukucindezela kwe-30-50 MPa. Isivinini sokucindezela sisethelwe ku-5-8 mm/s (ukucindezela kancane ukuze kuqedwe amabhamuza omoya) futhi kubanjwe imizuzwana engu-3-5. Le nqubo iqinisekisa ukuthi ukuminyana kwezitini kufinyelela ku-2.8-3.0 g/cm³, nge-porosity engaphansi kuka-8%.
Ukubhidliza kanye Nokuhlola:Ngemuva kokucindezela, izitini zidilizwa ngokuzenzakalelayo futhi zihlolwe ukukhubazeka kwendawo (njengokuqhekeka, imiphetho engalingani). Izitini ezinokukhubazeka zinqatshwa ngokushesha ukuze kugwenywe ukungena enqubweni elandelayo
5. Ukwelashwa Kokushisa (Ukwelapha): Ukuthuthukisa Ukubopha Okuhlanganisayo Nokuzinza
Ukwelashwa kokushisa (ukwelapha) kuqinisa umphumela wokubopha isibopho futhi kususa izinto eziguquguqukayo ezitini. Sisebenzisa iziko lomhubhe ngokulawula izinga lokushisa okunembile:
Ukushisisa kwe-Stepwise: Izitini zifakwa kuhhavini lomhubhe, futhi izinga lokushisa liyakhuphuka kancane kancane:
20-80℃ (amahora ama-2):Thuthukisa umswakama ongaphezulu;
80-150℃ (amahora angu-4):Ukuthuthukisa ukwelapha kwe-resin kwangaphambili;
150-200℃ (amahora angu-6):Ukuhlanganisa okuphelele kwe-resin nokuphulukisa;
200-220℃ (amahora angu-3):Zinzisa isakhiwo sezitini
Izinga lokushisa lilawulwa ku-10-15℃/ihora ukuvimbela ukuqhekeka ngenxa yengcindezi yokushisa.
Ukususwa Kwezinto Eziguquguqukayo:Ngesikhathi sokwelapha, izakhi eziguquguqukayo (njengama-resin-molecule amancane) zikhishwa ngesistimu yokukhipha umoya kuhho, ukuqinisekisa ukuthi isakhiwo sangaphakathi sesitini siminyene futhi asina-voids.
Inqubo Yokupholisa: Ngemva kokupholisa, izitini zipholiswa ekamelweni lokushisa ngesilinganiso esingu-20 ℃/ihora. Ukupholisa ngokushesha kuyagwenywa ukuze kuvinjwe umonakalo wokushaqeka okushisayo
6. Ngemuva Kokucubungula kanye Nokuhlolwa Kwekhwalithi: Ukuqinisekisa Zonke Izitini Zihlangabezana Namazinga
Isigaba sokugcina sokukhiqiza sigxile ekucutshungulweni okunembayo kanye nokuhlolwa kwekhwalithi okuqinile ukuze kuqinisekiswe isitini ngasinye sekhabhoni ye-magnesium sihlangabezana nezidingo zesicelo sezimboni:
Ukugaya nokusika:Izitini ezinemiphetho engalingani ziphansi kusetshenziswa imishini yokugaya ye-CNC, iqinisekisa ukuthi iphutha le-dimensional lingaphakathi kuka-±0.5mm. Izitini ezinomumo okhethekile (ezifana nezitini zokuguqula ezimise okwe-arc) zicutshungulwa kusetshenziswa izikhungo zemishini ye-5-axis ukuze zifane nejika elingaphakathi lodonga lwesithando somlilo.
Ukuhlolwa Kwekhwalithi Okuphelele:Iqoqo ngalinye lezitini libhekana nezivivinyo ezingu-5 ezibalulekile:
Ukuhlolwa kwe-Density kanye ne-Porosity:Usebenzisa indlela ye-Archimedes, qinisekisa ukuminyana kwenqwaba ≥2.8 g/cm³ kanye ne-porosity ≤8%.
Ukuhlolwa kwamandla acindezelayo:Hlola amandla okucindezela isitini (≥25 MPa) usebenzisa umshini wokuhlola wendawo yonke
Ukuhlolwa kokumelana nokushaqeka kwe-Thermal:Ngemuva kwemijikelezo eyi-10 yokushisa (1100 ℃) nokupholisa (izinga lokushisa legumbi), hlola ukuqhekeka (akukho mifantu ebonakalayo evunyelwe).
Ukuhlolwa kokumelana nokugqwala:Lingisa izimo zesithando somlilo ukuhlola ukumelana kwesitini ekugugulekeni kwe-slag encibilikisiwe (izinga lokuguguleka ≤0.5mm/h).
Ukuhlaziywa Kokwakheka Kwamakhemikhali:Sebenzisa i-X-ray fluorescence spectrometry ukuze uqinisekise okuqukethwe kwe-MgO (≥96%) nokuqukethwe kwekhabhoni (8-12%).
Ukupakisha kanye Nesitoreji:Izitini ezifanelekayo zipakishwa emakhathoni angangeni umswakama noma amaphalethi enziwe ngokhuni, ahlanganiswe nefilimu evikela umswakama ukuze kugwenywe ukumuncwa komswakama ngesikhathi sokuthutha. Iphakethe ngalinye libhalwe inombolo yeqoqo, usuku lokukhiqiza, kanye nesitifiketi sokuhlolwa kwekhwalithi ukuze kulandeleke
Kungani Khetha Izitini Zethu Ze-Magnesium Carbon?
Inqubo yethu yokukhiqiza eqinile (kusuka ekukhethweni kwezinto ezingavuthiwe kuya ekucutshungulweni kwangemuva) iqinisekisa ukuthi izitini zethu zekhabhoni ye-magnesium zisebenza kahle kakhulu ezithandweni zezimboni ezinokushisa okuphezulu. Noma ngabe iziguquli zokwenza insimbi, amaladi, noma ezinye izisetshenziswa zezinga lokushisa eliphezulu, imikhiqizo yethu ingakwazi:
Imelana namazinga okushisa afika ku-1800 ℃ ngaphandle kokuthambisa noma ukuguquguquka
Gwema ukuguguleka kwensimbi encibilikisiwe nokuguguleka kwe-slag, unwebe impilo yesevisi yesithando somlilo ngo-30%+.
Yehlisa imvamisa yokulungisa kanye nezindleko zokukhiqiza zamakhasimende
Sihlinzeka ngezixazululo ezenziwe ngokwezifiso ngokuya ngohlobo lwesithando sakho somlilo, usayizi, nezimo zokusebenza. Xhumana nathi namuhla ukuze ufunde kabanzi mayelana nenqubo yethu yokukhiqiza izitini ze-magnesium noma ukuthola isaphulelo samahhala!
Isikhathi sokuthumela: Oct-29-2025
