Carburizing agent, e sebelisoa indastering ea tšepe le ea ho lahla, bakeng sa carburizing, desulfurization le lisebelisoa tse ling tse thusang. E sebelisoang haholo indastering ea ho qhibilihisa tšepe le tšepe ke ho etsa hore ho be le carbon content e chesitsoeng nakong ea ho qhibiliha ha tšepe le tšepe le ho eketsoa ha lintho tse nang le carbon.
Ts'ebetsong ea ho qhibiliha ha tšepe le lihlahisoa tsa tšepe, hangata ka lebaka la nako ea ho qhibiliha, nako ea ho ts'oara, nako ea ho chesa le lintlha tse ling, tahlehelo ea ho qhibiliha ha likarolo tsa carbon ka har'a tšepe ea metsi e eketseha, e leng se fellang ka ho fokotseha ha khabone ea tšepe ea metsi, khabone ea tšepe ea mokelikeli e ke ke ea fihla ho boleng ba theory bo lebelletsoeng ba tlhoekiso. Ka hona, hoa hlokahala ho eketsa lihlahisoa tsa carburizing ho lokisa litaba tsa carbon ea tšepe, e leng tlatsetso ea bohlokoa ea ho etsa tlhahiso ea tšepe ea boleng bo phahameng.
Carburizing agent ho ea ka tlhahiso ea lihlahisoa tse tala e ka aroloa ka: carbon carbon, mashala carbon, coke carbon, graphite.
1. carbon carbon
2. Khabone ea mofuta oa mashala
* Kakaretso ea calcining coal carburizer: Ke sehlahisoa sa molora o tlase le sebabole se tlase se hlatsoang anthracite seboping sa calcination ka mor'a hore mocheso o phahameng oa 1250 ℃ calcination, haholo-holo o hlahisoe Ningxia, Inner Mongolia. Kakaretso ea khabone ke 90-93%. E sebelisoa haholo likhoebong tse etsang tšepe, 'me likhoebo tse ling tsa ho lahla li sebelisoa ka tšepe e bohlooho. Ka lebaka la sebopeho se kopaneng sa limolek'hule tsa eona tsa khabone, ts'ebetso ea ho monya mocheso e lieha 'me nako e telele.
* Asphalt coking carburizer: sehlahisoa sa mashala tar hydrogenation ho hlahisa oli. Ke khabone e phahameng, sebabole se tlase le nitrogen carburizer e tlase e ntšitsoeng ho tar. Likahare tsa carbon li pakeng tsa 96-99.5%, lihlahisoa tse fokolang li tlaase, mohaho o teteaneng, matla a mochine le ho hanyetsa ho apara ha likaroloana li batla li le holimo, li bonolo ho graphitization.
* Metallurgical coke carburizing agent: coking coke firing, hangata ke cupola e nang le coke e kholo, ho phaella ho smelting, empa hape e sebelisoa bakeng sa carburizing ea tšepe.
3. Coke (petroleum coke) carbon
* Calcined coke carburizer: Ke sehlahisoa se entsoeng ka coke ea petroleum e tlase-sebabole e le thepa e tala, e sebetsoang ka sebōping sa calcination ka likhato tse 1300-1500 ka mor'a ho tlosa mongobo, maqhubu le litšila. Khabone ea eona e tsitsitseng hangata e tsitsitse hoo e ka bang 98.5%, 'me sebabole sa eona hangata se ka tlase ho 0.5% kapa 1%. Boima ba eona bo kopane, ha bo bonolo ho bola, 'me nako ea tšebeliso ea eona e bohareng. Tlhahiso e tsepamisitsoe haholo Shandong, Liaoning, Tianjin. Ka lebaka la theko ea eona le phepelo ka mekhahlelo e mengata ea carburizing agent e na le monyetla, 'maraka o sebelisoa haholo.
* Graphitic petroleum coke carburizing agent: petroleum coke ka graphite smelting sebōpi ka mor'a likhato tse 3000 tsa tlhahiso ea mocheso o phahameng oa lihlahisoa tsa graphite, ka ho monya ka potlako, melemo e phahameng ea carbon le e tlaase ea sebabole. Khabone ea eona ke 98-99%, index ea sebabole e tlase ho 0.05% kapa 0.03%, libaka tse hlahisang li tsepamisitsoe ho Inner Mongolia, Jiangsu, Sichuan joalo-joalo. Tsela e 'ngoe e tsoa ho litšila tsa graphite electrode, hobane electrode ea graphite ka boeona ka mor'a phekolo ea graphitization, litšila li ka boela tsa sebelisoa e le moemeli oa carburizing bakeng sa mabili a tšepe.
* Semi-graphitic petroleum coke carburizer: mocheso oa graphite ha o phahame joalo ka graphic carburizer, khabone hangata e kholo ho feta 99.5, sebabole se phahame ho feta graphite carburizer, ka tlase ho 0.3%.
4. Mofuta oa graphite
* Sehlahisoa sa "graphite carburizing" se ts'oanang le lefats'e: ke ts'ebeliso ea graphite e ts'oanang le lefats'e ka tšepe le tšepe e qhibilihang kapa ho lahla carburizing, sebaka sa eona se seholo sa tlhahiso ea Hunan, ke ts'ebeliso e tobileng ea phofo ea graphite e kang lefats'e, hangata e nang le khabone ka 75-80. %, e ka hloekisoa ho eketsa lihlahisoa tsa carbon content.
* Natural graphite carburizing agent: haholo-holo ho flake graphite, dikahare carbon ka 65-99%, tlaase botsitso, ka kakaretso sebelisoa ka tshilo ya tšepe.
* Motsoako oa motsoako oa carburizing: phofo ea graphite, phofo ea coke, coke ea petroleum le lisebelisoa tse ling tsa maoto, ho eketsa li-binders tse fapaneng ka mochini li ka hatelloa ka sebopeho, bakeng sa molamu oa granular. Kakaretso ea khabone e lipakeng tsa 93 le 97%, 'me sebabole se tsitsitse haholo, hangata lipakeng tsa 0.09 le 0.7.
Nako ea poso: Nov-17-2022