Bakeng salikholara tsa ho phunya tse se nang makenete(NMDCs) tse sebelisoang ho chekeng ka tsela e tobileng, tlhokomelo ea kamora tšebeliso e bohlokoa ho netefatsa ts'ebetso e tsitsitseng, ho eketsa bophelo ba ts'ebeletso, le ho thibela tšitiso ea makenete kapa tšenyo ea sebopeho e bakoang ke ts'ebetso e sa lokelang, e ka sitisang ho nepahala ha tekanyo ea lesoba le ka tlase. Ka tlase ke mehato e qaqileng ea tlhokomelo le mehato ea tlhokomelo:

1. Ho Hloekisa Kamora ho Sebelisoa
- Ho Tloswa ha Seretse le Dipolokelo:
- Hlatsoa hang-hang bokaholimo ba kahare le kantle ba kholara ea ho phunya ka metsi a khatello e phahameng kapa lisebelisoa tse khethehileng tsa ho hloekisa ho tlosa mokelikeli oa ho phunya ka botlalo, maqeba, mafura le masala a mang, ho thibela ho bola kapa ho hola.
- Sebelisa sesepa se sa nke lehlakore (qoba metsoako e nang le asiti kapa alkaline e matla) ho thibela ho bola ha bokaholimo.
- Ho omisa:
- Kamora ho hlwekisa, sebedisa moya o hatelletsoeng kapa masela a omileng ho netefatsa hore o omme ka botlalo, haholo-holo dibakeng tse hoketsweng ka dikhoele, ho thibela mafome hore a se ke a boloka mongobo.
2. Tlhahlobo e Felletseng
- Tlhahlobo ea Pono:
- Hlahloba hore na ho na le mengoapo, mapetso, mapetso, kapa diphoso bokaholimo ba molala, o shebane le dikgokelo tse nang le dikgwele le dibaka tsa kgatello ya maikutlo (mohlala, dibaka tsa phetoho).
- Sebelisa lisebelisoa tsa ho holisa kapa mekhoa e sa lumellaneng le makenete (mohlala, tlhahlobo ea ho penyeletsa dae) ho lemoha mapetso a manyane.
- Tlhahlobo ea Khoele:
- Hlahloba likhoele tsa ka hare le tsa kantle bakeng sa ho tsofala, ho fetoha ha tsona, kapa ho bola. Sebelisa litekanyo tsa khoele ho netefatsa ho nepahala ha ho hlokahala.
- Hloekisa likhoele 'me u sebelise mafura a sa sebeliseng tšepe a thibelang mafome.
- Teko ea ho Lula ha Magnetic:
- Sebelisa gaussmeter (Tesla meter) ho lekanya matla a matla a makenete ho pholletsa le molaleng, ho netefatsa hore ho kenella ha metsi ho fihlela maemo a tloaelehileng (hangata ≤1.05 μ).
- Haeba ho fumanoa hore makenete e sebakeng seo (ka lebaka la khatello ea maikutlo kapa tšilafalo ea tšepe), etsa demagnetization (mohlala, ho annealing kapa ho tlosa gaussing e khethehileng).
3. Ho tlosa makenete (Haeba ho Hlokahala)
- Annealing:
- Futhumatsa ka sebōping se laoloang sa sepakapaka ho fihlela mochesong oa ho tjhesa oa thepa (mohlala, 600–800°C bakeng sa li-alloy tsa Monel) ho felisa khatello e setseng le matla a khoheli.
- Latela ka tieo diparamente tsa moetsi ho qoba ho chesa haholo, e leng se ka bakang ho bola ha di-granular kapa ho senyeha ha mechine.
- Ho tlosa litšila sebakeng seo:
- Sebelisa thepa ea ho tlosa matla a khoheli ka motlakase ho shebana le libaka tse nang le makenete le ho tsosolosa thepa e seng ea makenete.
4. Thibelo ea ho senyeha le ho tlotsa
- Sekoahelo se Loantšang Ts'enyeho:
- Lokisa tšenyo e nyane ea bokaholimo ka pente e khomaretsoeng kapa lipente tse entsoeng ka epoxy ho thibela ho ata ha mafome.
- Tšireletso ea Khoele:
- Tlotsa mafura a seng a tšepe (mohlala, mafura a thehiloeng ho molybdenum disulfide) likhoeleng ho thibela ho tsofala le ho rusa.
- Kenya litšireletso tsa khoele (mohlala, likhetla tsa polasetiki) nakong ea polokelo kapa ea lipalangoang.
5. Tsamaiso ea Polokelo
- Litlhoko tsa Tikoloho:
- Boloka sebakeng se omileng, se nang le moea o kenang ka tlung se nang le mongobo o ka tlase ho 60% le mocheso o tsitsitseng.
- Boloka hole le mehloli e matla ea makenete (mohlala, lienjene, li-transformer).
- Sebaka:
- Beha ka ho rapama holim'a liraka tse khethehileng ho qoba ho kobeha; le ka mohla u se ke ua li bokella ka ho otloloha kapa ua li bokella ka ho toba.
- Hlahloba maemo a polokelo kotara le kotara bakeng sa mafome kapa ho fetoha ha dimela.
6. Tšireletso ea Lipalangoang
- Ho Sireletsa le ho Koahela:
- Sebelisa lisebelisoa tse khethehileng tse nang le li-pad tsa rabara kapa li-block tsa lepolanka ho thibela litšitiso nakong ea lipalangoang.
- Tšireletso ea Magnetic:
- Likholara tsa tšireletso tse nang le thepa e khahlanong le makenete haeba li tsamaisoa haufi le mehloli ea makenete.
7. Teko ea Litsebi ea Nako le Nako
- Teko ea Kamehla:
- Etsa liteko tsa laboratori tsa motho oa boraro habeli ka selemo/ka selemo, ho kenyeletsoa:
- Teko ea ho lumella ho kena ha metsi (ho latela ASTM A342).
- Teko ea ultrasound (UT) kapa teko ea radiographic (RT) bakeng sa liphoso tsa ka hare.
- Tlhahlobo ea sebopeho sa thepa (mohlala, spectrometry) ho netefatsa botšepehi bo seng ba makenete.
- Etsa liteko tsa laboratori tsa motho oa boraro habeli ka selemo/ka selemo, ho kenyeletsoa:
- Litokomane:
- Boloka lirekoto tsa liphetho tsa liteko le liketso tsa tlhokomelo bakeng sa ho latela potoloho ea bophelo.
8. Koetliso ea Basebelisi
- Koetlisa basebetsi kamehla ka:
- Ho thibela ts'ebeliso ea lisebelisoa tsa tšepe hoNMDCs.
- Ho qoba ts'ebetso/poloko haufi le masimo a matla a makenete.
- Ho sebedisa di-wren tsa torque ho tiisa dikgwele ho ya ka dipehelo.
Litlhokomelo tsa Bohlokoa
- Qoba ho tjheseletsa: Hangata li-NMDC ha li khone ho tjheseletsa; litokiso li tlameha ho etsoa ke bahlahisi ba nang le mangolo.
- Ho lumellana ha thepaNetefatsa hore lintho tse hloekisang, mafura, jj., li lumellana le thepa ea khola (mohlala, metsoako ea Monel e na le bothata ba ammonia; qoba lintho tse nang le ammonia).
Tlhokomelo e hlophisitsoeng e fokotsaNMDCSekhahla sa ho hloleha, ho netefatsa ho nepahala ha ho tjheka ka tsela e yang le polokeho ya tshebetso. Ntsha kapa kgutlisetsa dikholara tse senyehileng haholo kapa tse nang le makenete ho moetsi kapele.
PS:
LANDRILLk'habone e fana ka mefuta e felletseng ea likhoele tsa ho phunya tse boreleli le tse potolohang ho NMDC tse nang le P530, P550, P650 le thepa e lekanang. Ikopanye le rona bakeng sa lintlha tse ling.
Nako ea poso: Mots'eanong-15-2025






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