Tšebeliso ea lehae ea tungsten Chaena e lutse e tsitsitse hoo e ka bang lithane tse 10,000 ka selemo.Ho ea ka litlaleho, tšebeliso ea tungsten Chaena e ne e le lithane tse 9,200, lithane tse 9,400 le lithane tse 9,500 ka 1994-1996, 'me ho sebelisoa ha tungsten Chaena ho hakanngoa hore e tla ba lithane tse 11,500 ka 2000. Ho tloha ka bo-1980, mokhoa oa ho sebelisoa ha tungsten China e fetohile e khutsitseng.Lipalo-palo li bontša hore ho tloha ka 1980 ho ea ho 1985, sebopeho sa tšebeliso ea tungsten bakeng sa ho etsa tšepe e ne e le karolo ea 61% ea kakaretso ea tšebeliso, e ikarabellang bakeng sa karolo e kholo ka ho fetisisa;Ho tloha ka 1986 ho isa 1990, karolo ea tungsten e sebelisoang ha ho etsoa tšepe e theohetse ho 48%, ha karolo ea tungsten e sebelisoang ho carbide e entsoeng ka samente e nyolohetse ho 28%.Ho tloha ka 1991 ho isa 1995, ha tlhahiso ea carbide e entsoeng ka samente e ntse e eketseha, karolo ea tungsten e sebelisoang ka har'a carbide e entsoeng ka samente e ile ea feta ea tungsten e sebelisoang ho etsa tšepe, e atamela 50% ea kakaretso ea tšebeliso ea tungsten lapeng, ha karolo ea tungsten e sebelisoang ha ho etsoa tšepe e theohile hoo e ka bang hoo e ka bang. 40%.
Ho totobetse hore phetoho ea sebopeho sa tšebeliso ea tungsten Chaena e amana ka ho toba le tlhahiso ea carbide e entsoeng ka samente.Joale, mokhoa oa tlhahiso ea carbide ea samente ea China ke ofe?Mokhoa oa hona joale oa tlhahiso ea carbide Chaena.
tsa Chinacarbide e entsoeng ka samenteindasteri e qalile bohareng ba lilemo tsa bo-1950, 'me le hoja tsamaiso ea indasteri e ile ea thehoa lilemo tse ka bang mashome a mararo hamorao ho feta linaheng tse tsoetseng pele tsa Bochabela le Bophirimela, lebelo la tsoelo-pele ea eona le tekanyo ea tlhahiso ea eona li ne li tsoteha lefatšeng ka bophara.Haholo-holo lilemong tsa bo-1990, tlas'a liphetoho le ho bula le moruo o sekametseng 'marakeng, tlhahiso ea carbide e entsoeng ka samente e' nile ea phahama haholo.Hona joale, ho na le baetsi ba carbide ba 150 ba entsoeng ka samente Chaena, ba nang le matla a ho hlahisa lithane tse 9,000-10,000 / selemo.Kakaretso ea selemo le selemo tlhahiso ke hoo e ka bang 7000-7500 lithane tse, accounting bakeng sa 21% ea tlhahiso ea selemo le selemo lefatšeng ka bophara, e leng ho feta United States, Sweden, CIS le linaheng tse ling tse nang le tsamaiso e tsoetseng pele e tsoetseng pele samente carbide indasteri tlhahiso ea pele le ea pele ea lefatše. .Nakong ea Moralo oa 8 oa Lilemo tse Hlano, karolelano ea selemo le selemo ea tlhahiso ea carbide e samenteng Chaena e ne e le lithane tse 6528 (tlhahiso e phahameng ka ho fetisisa ea selemo le selemo e ne e le lithane tse 7540 ka 1994), 'me karolelano ea tšebeliso ea selemo e ne e le lithane tse 5894 (tšebeliso e phahameng ka ho fetisisa ea selemo e ne e le lithane tse 6620) .Ho ea ka se boletsoeng esale pele ke litsebi, nakong ea Moralo oa Borobong oa Lilemo tse Hlano, karolelano ea selemo le selemo ea tlhahiso ea carbide e entsoeng ka samente Chaena e tla eketseha ka 6%, ke hore, tlhahiso ea selemo le selemo e tla fihla ho lithane tse 6976.Litsebi tse ling li sebelisa linear correlation equation ho hokahanya tlhahiso ea tšepe le samente e entsoeng ka carbide Chaena nakong ea Moralo oa Borobong oa Lilemo tse Hlano.Papiso ea lipalo e ile ea etsoa ho bala matšoao a mabeli a GDP.
Ea boraro, ho sebelisoa hape le ho sebelisoa ha litšila le masallacarbidee le mokhoa oa ho tlatsetsa khaello ea lihloliloeng
Lisebelisoa tsa tlhaho li fokotsehile, 'me tšepe ea alamo ea ho lahleheloa ke molemo oa lisebelisoa tsa tungsten e' nile ea utloahala litsebeng tsa rona.Ha ho tobane le boemo bona bo kotsi, litsebi li thehile mehato e mengata ea ho thibela le ho lokisa.Har'a tsona, mokhoa oa ho tsosolosa le ho sebelisa masala a masala a tungsten carbide o ipakile e le lenaneo le hōlileng tsebong, le sebetsang hantle le le sebetsang.Ke mokhoa o atlehang oa ho fokotsa litšenyehelo tsa tlhahiso ea carbide nakong ea tungsten e tala ea tlhaho e ngata, 'me ke karolo ea bohlokoa ea ho lefella khaello ea lisebelisoa nakong ea hona joale le nakong e tlang ha tungsten e tala ea tlhaho e ntse e fokotseha.Tekanyo ea ts'ebeliso e felletseng ea lisebelisoa tse nchafalitsoeng ke e 'ngoe ea matšoao a bohlokoa a tsoelo-pele ea theknoloji le nts'etsopele ea moruo oa naha le khoebo.Ha e le hantle, linaha tse tsoetseng pele tsa Bochabela le Bophirimela li se li kenyelelitse ho tsosolosoa le ho sebelisoa ha litšila tse setseng tlhahisong e tloaelehileng.Hajoale, ts'ebeliso ea bona ea li-carbide tse setseng tsa samente e se e fihlile ho 30-40% ea kakaretso ea tlhahiso ea selemo le selemo.Tšebeliso ea selemo le selemo ea tšepe ea tungsten ea China e ka ba lithane tse 10,000, haeba e ka fihla ho 40% ea ho tsosolosoa, melemo ea eona ea moruo le phello ea ho tlatsa lisebelisoa e tla ba khōlō haholo.Nka mohlala oa carbide e entsoeng ka samente, kakaretso ea carbide e entsoeng ka samente Chaena ka 1994 e ne e le lithane tse 7540, ho ea ka palo ea 40% ea ho hlaphoheloa, ha re khone feela ho fumana lithane tse ka bang 3000 tsa tšepe ea tungsten, empa hape le lithane tse ka bang 240 tsa tšepe ea cobalt. .Ho ea ka lipalo tsa ho ja lithane tse 2 tsa tungsten concentrate bakeng sa tone e 'ngoe le e 'ngoe ea carbide e entsoeng ka samente, tšebeliso ea tungsten concentrate e ka fokotsoa ka lithane tse ka bang 6000.Sena ntle le pelaelo se tla bapala karolo e kholo ho fokotsa khaello ea lisebelisoa.Boemo ba mantlha ba ho nchafatsa le ho sebelisoa ha scrap carbide naheng ea China hajoaleMasala a scrap carbide ao re a buang mona a kenyelletsa likarolo tse peli: e 'ngoe ke lihlahisoa tse sa tšoaneleheng ts'ebetsong ea tlhahiso;e 'ngoe ke lisebelisoa tsa "carbide" tse sebelisitsoeng (li-blades, lihlooho tsa brazing, hlobo, joalo-joalo).
Ho latela lipalo-palo tse sa phethahalang, kakaretso eacarbide e setsenge hlahisoang Chaena ke lithane tse ka bang 3500 ka selemo.Ho ea ka baetsi ba carbide ba tsoang linaheng tse ling, har'a lisebelisoa tsa carbide tse sebelisitsoeng, ka kakaretso, 12-25% ea lisebelisoa tsa ho kenya li-welding li ka sebelisoa hape;65-70% ea scrap carbide e shoa (ho phunya ho shoa, ho hatella ho shoa, ho hula ho shoa, joalo-joalo) ho ka sebelisoa hape;95-97% ea lisebelisoa tsa mochini oa scrap clamping li ka sebelisoa hape.
China e ile ea qala ho sebelisoa hape le ho sebelisa scrap carbide morao haholo.Ka 1983, palo ea ho tsosolosa e ne e le lithane tse 300 feela, e leng karolo ea 8% ea tlhahiso ea selemo seo;ka 1985, e ile ea eketseha ho feta lithane tse 400, e leng karolo ea 10% ea tlhahiso ea selemo seo.e ikarabellang bakeng sa 10% ea tlhahiso selemong seo.Lilemong tsa bo-90, mosebetsi oa ho tsosolosa o bile le tsoelo-pele e kholoanyane.Hona joale ho na le baetsi ba carbide ba samente ba fetang 150 ka har'a naha, eseng feela lifeme tse nyane le tse mahareng tse ka bang 60 tse nang le lisebelisoa tse tala tsa tungsten tse tsoang mehloling e tsosolositsoeng, ke hore, ka sekala sa Zhuzhou Cemented Carbide Factory le Zigong Cemented Carbide Limited Liability Company. (eo pele e neng e le Zigong Cemented Carbide Factory) le eona e ile ea bula mohala oa tlhahiso ea carbide e entsoeng hape ea litšila e entsoeng ka samente.Hona joale, palo ea naha ea ho tsosolosa e ka holimo ho lithane tse 1500, e leng karolo ea 20% kapa ho feta ea kakaretso ea carbide e entsoeng ka samente Chaena 'me e haufi le boemo ba Japane.Theknoloji ea ts'ebetso ea ho sebelisa li-carbide tse setseng tsa samente e se e felile,?s mokhoa oa ho qhibiliha ha zinki, mokhoa oa ho qhibiliha oa motlakase le mokhoa oa ho senya ka mechine o tseba hantle.Tungsten carbide powder (WC) le phofo ea cobalt (Co), ea boleng bo holimo, e ka sebelisoa ho etsa carbide, taemane ea maiketsetso, lisebelisoa tsa indasteri ea tšepe le lihlahisoa tse ling.Ho na le libaka tse 'maloa moo mosebetsi oa ho tsosolosa le ho tsosolosa o sebetsang haholoanyane, har'a tsona ke: Zhuzhou le Changsha e Hunan;Zigong in Sichuan;Qinghe Profinseng ea Hebei;Jinan Profinseng ea Shandong;Mudanjiang Profinseng ea Heilongjiang, joalo-joalo Baetsi ba li-carbide tse entsoeng ka samente libakeng tsena ba fihletse katleho ea ho tsosolosa le ho sebelisa li-carbide tse setseng tse entsoeng ka samente.
词典
Nako ea poso: May-02-2023
