Iji ọdụ ọdụ zuru oke bụ okwu na-ekpo ọkụ n'ubi Ngwuputa n'afọ ndị na-adịbeghị anya, na nyocha maka ojiji zuru oke nke ọdụ ọla edo ka emekwara. Aghọtara na mmepụta nke ọdụdụ ọla edo na mba m erutela ihe karịrị ijeri ijeri 1.5, mana ọnụọgụ ojiji zuru oke bụ ihe na-erughị 20% ugbu a, ụzọ kachasị mma isi ghọta na mkpofu ọla edo na-adịghị na enweghị mmerụ ahụ. ọdụdụ m na-agụnye ụzọ abụọ: ndochi n'okpuru ala na iji ihe onwunwe eme ihe. Usoro omenala ndochi ọla edo bụ iji mejupụta ọdụdụ na-adịghị mma n'ime olulu mmiri, ebe a na-akwakọba ọdụdụ dị mma na ọdọ mmiri ọdụdụ. N'ihi na ọdịnaya nke ọla edo. ore na-adịkarị ala, iji mee ka ị nweta ihe onwunwe ọla edo, ọ na-adịkarị mkpa iji rụọ ọrụ egweri. Ya mere, ọdụdụ ndị dị mma nwere ọtụtụ ihe, ebe ọdụdụ ndị na-adịghị ahụkebe na-adị ntakịrị, na ọ bụ naanị ọdụdụ ndị na-adịghị mma na-ejupụta n'okpuru ala. , ọ gaghị ekwe omume iji belata ihe mkpofu siri ike ma belata ikike nchekwa nke ọdọ mmiri ọdụ. Idobe ọdọ mmiri ọdụ ọdụ ka na-achọ nnukwu ala ma na-emerụ gburugburu ebe obibi. Ntufu ọdụdụ ọla edo aghọwo isi ihe na-egbochi mmepe akụ na ụba na-adịgide adịgide nke ogbunigwe ọla edo.
Na February 10, 2022, Ministry of Industry and Information Technology, National Development and Reform Commission, Ministry of Science and Technology, Ministry of Finance, Ministry of Natural Resources, Ministry of Ecology and Environment, Ministry of Commerce. , na State Administration of Taxation jikọtara ọnụ nyere "Na-ebipụta na nkesa Accelerating nkwalite nke Industrial Resources". "Ọrịbama na atụmatụ mmejuputa atumatu maka iji ihe zuru oke" chọrọ na site na 2025, ike nke mmepụta ihe mkpofu siri ike nke ụlọ ọrụ na ụlọ ọrụ ndị dị mkpa dị ka ígwè na ígwè, ígwè na-adịghị ferrous, na ụlọ ọrụ kemịkalụ na mba m ga-ebelata, ọkwa ntinye zuru oke. A ga-emeziwanye ihe mkpofu siri ike nke ụlọ ọrụ mmepụta ihe nke ukwuu, ụlọ ọrụ akụrụngwa na-emegharị ahụ ga-aga n'ihu na-eto eto nke ọma, a ga-ejikwa akụrụngwa ụlọ ọrụ rụọ ọrụ nke ọma. Emeela ka arụmọrụ dị mma nke ukwuu, yana ọnụ ọgụgụ ojiji nke nnukwu ihe mkpofu siri ike nke ụlọ ọrụ ga-eru 57%.Ya mere, iji akụrụngwa eji ọdụ ọla edo dị mkpa.
The Sino-German Key Laboratory of Magnetoelectricity and Intelligent Mineral Processing of Huate Company na-eduzi ọnụ ọgụgụ dị ukwuu nke nnwale uru na ọdụ ọla edo na mpaghara Yantai. The isi ịnweta mmiri nke gold tailings bụ gangue mineral dị ka quartz, feldspar na calcite, na a obere ego nke n'ibu Iron, magnetik ígwè, ígwè oxide, titanium oxide, ígwè silicate, ígwè sulfide na ndị ọzọ adịghị ọcha.The urughuru size nso nke. Ọdụdọ ọla edo bụ n'ozuzu 200 ntupu 50-70%, urughuru size bụ dịtụ edo, na o nwere obere ego nke ezi apịtị. Isi ọdịnaya Fe2O3 adịghị ọcha bụ 1-3%, ọdịnaya TiO2 bụ 0.1-0.3%, ọdịnaya CaO bụ 0.12-1.0%, na ọcha nke ọdụ ọla edo bụ 5-20%. Enwere ụfọdụ ọdịiche dị na nhazi nke ọdụdụ nke ndị ntinye uche dị iche iche na-emepụta. Ụfọdụ ọdụdụ nwere nnukwu ọdịnaya SiO2, ma ọ bụ nwere spodumene, sericite, wdg. Ọtụtụ n'ime ha bụ ụdị pegmatite feldspar-quartz, nke nwere uru ọzọ eji eme ihe.
Ụlọ ọrụ Huate chepụtara "Magnetik separation-gravity separation" jikọtara usoro uru, wee nweta ikike patent mepụtara na Septemba 2020. Ọdịnaya patent ahụ bụ maka "usoro eji eme ihe zuru oke nke ọdụ ọdụ ọla edo nwere ọla edo, ígwè na feldspar. Ugbu a, karịa karịa. Emeela ngwa ngwa ụlọ ọrụ iri buru ibu na Yantai, Shandong, nke kachasị ukwuu n'ime ha nwere ike ịhazi 8,000 tọn ọdụ ọla edo kwa ụbọchị. N'ime usoro a, akụrụngwa bara uru dị elu dị ka ihuenyo vibrating, spiral chute, shaking table, drum magnetik separator. , Wet ike magnetik efere magnetik separator, vetikal mgbanaka elu gradient magnetik separator, na electromagnetic slurry magnetik separator na-eji na Nchikota. Mgbe ị na-enweta feldspar dị elu site na ọdụ ọdụ, a na-enwetakwa ngwaahịa bara uru dị ka magnetite, mineral ndị na-ebu ọla edo, akụrụngwa ciment, na ihe ndị na-eme brik iji ghọta ojiji nke ọdụ ọla edo zuru oke wee nweta mwepu efu n'ime ihe niile. -gburugburu ụzọ.
A na-eji mgbanaka kwụ ọtọ elu gradient magnetik separator na electromagnetic slurry high gradient magnetik separator na-eji ọrụ ọdụ ọdụ ọla edo.
Oge nzipu: Mar-11-2022