Oriri tungsten n'ụlọ nke China anọgidewo na-akwụsi ike n'ihe dị ka tọn 10,000 kwa afọ.Dị ka akụkọ si kwuo, oriri tungsten na China bụ tọn 9,200, tọn 9,400 na tọn 9,500 na 1994-1996, na oriri tungsten na China na-ebu amụma na ọ ga-abụ tọn 11,500 na 2000. Ebe ọ bụ na 1980s, oriri tungsten na-arụ ọrụ n'usoro. China na-agbanwe nwayọ.Ọnụ ọgụgụ na-egosi na site na 1980 ruo 1985, oriri Ọdịdị nke tungsten maka steelmere 61% nke ngụkọta oriri, aza nke kasị ibu proportion;?Site na 1986 ruo 1990, oke tungsten ejiri mee nchara gbadara ruo 48%, ebe tungsten ejiri na carbide cemented mụbara ruo 28%.Site na 1991 ruo 1995, ka mmepụta nke carbide cimented na-arị elu, oke tungsten a na-eji na carbide cemented karịrị nke tungsten a na-eji eme nchara, na-erute 50% nke ngụkọta tungsten anụ ụlọ, ebe oke tungsten ejiri mee nchara gbadara ihe dịka. 40%
O doro anya na mgbanwe nke usoro oriri tungsten na China na-emetụta kpọmkwem na mmepụta nke carbide cimented.Ya mere, gịnị bụ usoro mmepụta carbide nke China simented?Usoro nke mmepụta carbide ugbu a na China.
nke Chinacemented carbideụlọ ọrụ malitere n'etiti 1950s, na ọ bụ ezie na e guzobere usoro mmepụta ihe dị ka afọ iri atọ ka e mesịrị karịa na mba ndị mepere emepe nke East na West, ọsọ nke mmepe ya na ọnụ ọgụgụ nke mmepụta ya dị ịrịba ama n'ụwa.Karịsịa na 1990s, n'okpuru mgbanwe na mmeghe na akụ na ụba na-adabere na ahịa, mmepụta nke carbide cimented anọwo na-arị elu.Ka ọ dị ugbu a, e nwere ndị na-emepụta carbide cemented 150 na China, nke nwere ikike mmepụta nke 9,000-10,000 tọn / afọ.Ngụkọta kwa afọ mmepụta bụ banyere 7000-7500 tọn, aza maka 21% nke ụwa ngụkọta kwa afọ mmepụta, nke bụ karịa United States, Sweden, CIS na mba ndị ọzọ na ihe elu cemented carbide ụlọ ọrụ usoro na mmalite mmepụta na mbụ ụwa. .N'ime oge atụmatụ afọ ise nke 8th, nkezi mmepụta nke carbide cimented kwa afọ na China bụ tọn 6528 (mmepụta kachasị kwa afọ bụ tọn 7540 na 1994), na nkezi oriri kwa afọ bụ tọn 5894 (ihe kacha eri kwa afọ bụ tọn 6620) .Dị ka amụma ndị ọkachamara si kwuo, n'ime oge atụmatụ afọ ise nke itoolu, nkezi mmepụta nke carbide cimented kwa afọ na China ga-abawanye site na 6%, ya bụ, nkezi mmepụta kwa afọ ga-eru 6976 tọn.Ụfọdụ ndị ọkachamara na-eji nha nha nha anya iji jikọta nchara na simenti carbide mmepụta na China n'oge atụmatụ afọ ise nke itoolu.Emere simulation mgbakọ na mwepụ iji gbakọọ ihe ngosi abụọ nke GDP.
Nke ato, imeghari na itinye ihe mkpofu na ihe ndi ozocarbidedịka ụzọ isi gbakwunye ụkọ ihe ndị sitere n'okike
Akụ ndị sitere n'okike nwere oke, na mgbịrịgba mkpu nke ịla n'iyi nke tungsten akụ na-ada ụda na ntị anyị.N'ọnọdụ ọnọdụ a dị egwu, ndị ọkachamara ewepụtala ọtụtụ ụzọ mgbochi na usoro ọgwụgwọ.N'ime ha, usoro nke imegharị na iji scrap residual tungsten carbide egosila na ọ bụ mmemme tozuru oke, dị irè na nke bara uru.Ọ bụ ụzọ dị irè iji belata ọnụ ahịa mmepụta carbide n'oge oke tungsten sitere n'okike, yana akụkụ dị mkpa iji mejupụta enweghị akụrụngwa na ugbu a na ọdịnihu mgbe tungsten sitere n'okike na-ebelata.Ogo nke iji akụrụngwa emegharịgharị n'ụzọ zuru oke bụ otu n'ime ihe ịrịba ama dị mkpa nke ọganihu teknụzụ na mmepe akụ na ụba nke mba na ụlọ ọrụ.N'ezie, mba ndị mepere emepe n'Ebe Ọwụwa Anyanwụ na n'Ebe Ọdịda Anyanwụ abanyelarị n'ịrụgharị na itinye ihe mkpofu ihe fọdụrụnụ na mmepụta nkịtị.Ka ọ dị ugbu a, imegharị ha na ojiji nke scrap residual cemented carbide eruola 30-40% nke mkpokọta mmepụta kwa afọ.Oriri tungsten nke China kwa afọ bụ ihe dị ka tọn 10,000, ma ọ bụrụ na ọ nwere ike iru 40% nke imegharị ihe, uru akụ na ụba ya na mmekwata akụ ga-adị nnukwu mkpa.Were carbide cimented dị ka ihe atụ, ngụkọta mmepụta nke carbide cimented na China na 1994 bụ tọn 7540, dị ka ngụkọ nke mgbake 40%, ọ bụghị naanị na anyị nwere ike nwetaghachi ihe fọrọ nke nta ka ọ bụrụ tọn 3000 nke tungsten metal, kamakwa ihe fọrọ nke nta ka ọ bụrụ tọn 240 nke cobalt metal. .Dị ka ngụkọ nke iri 2 tọn Tungsten concentrate maka kwa 1 ton nke cemented carbide emepụtara, oriri nke tungsten concentrate nwere ike ibelata ihe fọrọ nke nta 6000 tọn.Ihe ịrụ ụka adịghị ya na nke a ga-ekere òkè dị ukwuu n'ibelata ụkọ akụrụngwa.Ọnọdụ bụ isi nke imegharị na ojiji nke scrap carbide na China ugbu aIhe fọdụrụ nke carbide scrap anyị na-ezo aka ebe a gụnyere akụkụ abụọ: otu bụ ngwaahịa na-erughị eru na usoro mmepụta;nke ọzọ bụ ngwaọrụ carbide scrap eji eme ihe (agụba, isi brazing, ebu, wdg).
Dị ka ezughị ezu ọnụ ọgụgụ, ngụkọta ego nkeihe fọdụrụ carbideemepụtara na China bụ ihe dị ka tọn 3500 kwa afọ.Dị ka ndị na-emepụta carbide si mba ọzọ si kwuo, n'ime ngwá ọrụ carbide scrap ejiri mee ihe, n'ozuzu n'ikwu okwu, 12-25% nke ntinye ịgbado ọkụ nwere ike ịmegharị;65-70% nke carbide scrap na-anwụ (ịkụ ọkpọ na-anwụ anwụ, ịpị ọnwụ, ịde anwụ, wdg) nwere ike ịmegharị ya;Enwere ike ịmegharị 95-97% nke ihe ntinye igwe na-akpụ akpụ.
China malitere imegharị ma jiri scrap carbide mee ihe n'oge.N'afọ 1983, olu mwegharịgharị bụ naanị tọn 300, na-aza 8% nke mmepụta n'afọ ahụ;na 1985, ọ mụbara ihe karịrị tọn 400, na-aza 10% nke mmepụta n'afọ ahụ.na-aza 10% nke mmepụta n'afọ ahụ.N'ime afọ iri itoolu, ọrụ imegharị ihe nwere ọganihu ka ukwuu.Ugbu a enwere ihe karịrị 150 ndị na-emepụta carbide cemented na mba ahụ, ọ bụghị naanị ihe fọrọ nke nta ka ọ bụrụ ụlọ ọrụ 60 obere na obere ụlọ nwere akụrụngwa tungsten sitere na akụrụngwa emegharịrị, ya bụ, na ọnụ ọgụgụ nke Zhuzhou Cemented Carbide Factory na Zigong Cemented Carbide Limited Liability Company (nke bụbu Zigong Cemented Carbide Factory) meghekwara ahịrị mmepụta nke ihe mkpofu emebi emebi nke simenti carbide.Ka ọ dị ugbu a, ọnụ ọgụgụ mweghachi nke mba dị elu karịa tọn 1500, nke na-eme ihe dị ka 20% ma ọ bụ karịa nke ngụkọta nke carbide cimented na China ma dị nso na ọkwa Japan.Usoro teknụzụ nke imegharị scrap residual cemented carbide zuru oke,?Usoro nke usoro ịgbaze zinc, usoro ịgbaze ọkụ eletrik na usoro nzọpịa igwe ka amara nke ọma.The recycled tungsten carbide powder (WC) na cobalt ntụ ntụ (Co), nke dị ezigbo mma, enwere ike iji ya rụọ ọrụ carbide, diamond artificial, ihe mmepụta ígwè na ngwaahịa ndị ọzọ.Enwere mpaghara ole na ole ebe ọrụ nrụgharị na mweghachi na-arụsi ọrụ ike, n'ime ha bụ: Zhuzhou na Changsha na Hunan;Zigong na Sichuan;Qinghe dị na Hebei Province;Jinan na Shandong Province;Mudanjiang na Heilongjiang Province, wdg. Ndị na-emepụta carbide cemented na mpaghara ndị a enwetala ihe ịga nke ọma n'ijigharị ihe na iji ihe mkpofu na-emepụta carbide simenti.
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Oge nzipu: Mee-02-2023
