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Sebopeho le ts’ebetso ea mochini o tsoelang pele oa ho lahla

The composition and function of continuous casting machine

Lisebelisoa tsa lipalangoang tsa Ladle haholo-holo li kenyelletsa mekhoa e ‘meli: ho tšela koloi le ladle turret. Hona joale, boholo ba li-caster tse sa tsoa reroa tse tsoelang pele li sebelisa ladle turret. Phello ea eona e ka sehloohong ke ho jara ladle le ho tšehetsa ladle bakeng sa ts’ebetso ea ho tšela. Turret ea ladle e ka boela ea sebelisoa ho nkela ladle sebaka ka potlako, ho phethela lisebelisoa tse ngata tsa mollo o tsoelang pele.

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Sephutheloana se bohareng ke sesebelisoa sa phetoho se sebelisetsoang ho amohela tšepe e qhibilihisitsoeng pakeng tsa ladle le hlobo. E sebelisetsoa ho tsitsisa phallo ea tšepe, ho fokotsa ho phunyeha ha khetla ea billet ka hlobo ka ho phalla ha tšepe, le ho etsa hore tšepe e qhibilihisitsoeng e be le mesebetsi e utloahalang ka har’a sephutheloana se bohareng. Le nako e loketseng ea ho lula nako e telele ho etsa bonnete ba hore mocheso oa tšepe e qhibilihisitsoeng o tšoana le li-inclusions tse seng tsa tšepe li phaphamala ka thoko. Mabapi le mochini o tsoelang pele oa ho lahla mefuta e mengata, tšepe e qhibilihisitsoeng e arotsoe ke sephutheloana se bohareng. Ka har’a sebōpi se tsoelang pele ho tšolloa, tšepe e qhibilihisitsoeng e bolokiloeng bohareng ba ladle e sebetsa e le ho hokahanya ha ho nkela ladle sebaka.

Thepa e bohareng ea thepa ea lipalangoang e kenyelletsa koloi ea liphutheloana tse bohareng le “turntable package”, e sebelisetsoang ho ts’ehetsa, ho tsamaisa le ho khutlisa sephutheloana se bohareng. Hlobo ke hlobo e khethehileng ea tšepe e pholileng ka metsi. Tšepe e qhibilihisitsoeng e pholile ka har’a hlobo ‘me e qala ho kopana ho etsa botenya bo itseng ba khetla ea billet ho etsa bonnete ba hore khetla ea billet e ke ke ea lutla kapa ea hlaseloa ha billet ea cast e ntšoa ka har’a hlobo. Litšitiso tse kang deformation le mapetsong. Ka hona, ke lisebelisoa tsa bohlokoa tsa mochine o tsoelang pele oa ho lahla.

Thepa ea crystallizer oscillating e nolofalletsa kristallizer ho khutlisetsa holimo le tlase ho ea ka litlhoko tse itseng, ho qoba ho khomarela khetla e ka sehloohong e tala le kristallizer le ho phunyeha. Thepa ea bobeli ea ho pholile e entsoe haholo-holo ka lisebelisoa tsa ho futhumatsa metsi le lisebelisoa tsa tšehetso tsa slab. Phello ke ho fafatsa metsi ka ho toba holim’a letlapa ho etsa hore e kopane ka ho feletseng; rolara ea nip le moqolo oa thipa e ka lehlakoreng ‘me u tataise letlapa le nang le mokelikeli oa metsi, ho qoba billet hore e se ke ea bulging, deformation le steel breakout.

Phello ea mochine o otlolohileng oa billet ke ho hlōla ho hanyetsa ha billet ea cast, hlobo le sebaka sa bobeli sa ho pholile nakong ea ho tšela, ho hula billet hantle, le ho otlolla billet e kobehileng. Pele e tšela, e boetse e romela lisebelisoa tsa ho qala ka har’a crystallizer. Sesebelisoa sa ho qala se kenyelletsa likarolo tse peli: hlooho ea ho qala le molamu oa ho qala. Phello ea eona ke ho sebetsa e le “botlaaseng bo phelang” ba hlobo ha ho tšolloa ho qala, ho thibela molomo o ka tlaase oa hlobo, ‘me ho etsa hore tšepe e qhibilihisitsoeng e kokobele hloohong ea molamu oa ho qala. .

Ka mor’a ho huloa ke boemo ba tsitsipano, billet ea cast e ntšoa ho tsoa molomong o ka tlaase oa hlobo hammoho le “ingot bar”. Ka mor’a hore bar e inducing e ntšoe ka har’a boemo ba tsitsipano, “bar inducing bar” e tlosoa ‘me e kene sebakeng se tloaelehileng sa ho taka. Phello ea thepa ea ho itšeha ke ho khaola letlapa ka bolelele bo hlokahalang nakong ea leeto. Thepa ea lipalangoang tsa billet e kenyelletsa tafole ea rolara, pusher, bethe e phodileng, joalo-joalo, e phethelang lipalangoang tsa billet, ho pholisa le lits’ebetso tse ling.