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Aluminium inomira pakati pezvimwe simbi nehupenyu hwayo husingaenzaniswi. Kuramba kwayo kwecorrosion uye kudzokorodza kunoita kuti ive yakasiyana, sezvo inogona kushandiswazve kakawanda nekushomeka kwesimba rekushandisa zvichienzaniswa nekugadzirwa kwesimbi. Kubva pakucherwa kwebauxite kwekutanga kusvika pakugadzirwa kwezvinhu zvakagadziridzwa uye maitiro anotevera ekudzokorodza, kambani yedu yealuminium yakanyatsobatanidzwa inogadzira kukosha mukati mese kutenderera.

Aluminium kukosha cheni

1. Bauxite mining

Maitiro ekugadzira aruminiyamu anobva pakucherwa kwebauxite, ore ine aluminium ingangoita 15-25% uye inowanikwa munzvimbo dzakatenderedza equator. Parizvino, kune matura anofungidzirwa anosvika mabhiriyoni makumi maviri nemapfumbamwe ematani ebauxite anogona kuchengetedza kutorwa kweanopfuura zana zana pachiyero chiripo. Uyezve, kuvapo kwezviwanikwa zvisati zvawanikwa kunoratidza mukana wekuwedzera nguva iyi kusvika kumakore 250-340.

2. Alumina kunatsa

Uchishandisa iyo Bayer maitiro, alumina (aluminium oxide) inotorwa kubva mubauxite mune yekunatsa. Iyo alumina inobva yashandiswa kugadzira simbi yekutanga pachiyero che2: 1 (2 matani ealuminium = 1 tonne yealuminium).

3. Primary aluminum production

Kugadzira simbi yealuminium, kemikari chisungo pakati pealuminium neokisijeni mualuminium chinoda kutyorwa kuburikidza ne electrolysis. Iyi inzira ine simba-yakanyanya simba inoitika munzvimbo dzakakura dzekugadzira, inoda huwandu hwakawanda hwemagetsi. Kuti tizadzise chinangwa chedu chekuve kabhoni isina kwayakarerekera kubva pamaonero ehupenyu panosvika 2020, zvakakosha kuti tishandise masosi emagetsi anovandudzwa uye kugara tichivandudza maitiro edu ekugadzira.

4. Aluminium yakagadzirwa

Aluminium processing inzira umo maaruminiyamu zvinhu zvinogadziriswa uye kurapwa kuburikidza nenhevedzano yemaitiro ekugadzira akasiyana aluminium zvigadzirwa. Matanho makuru anosanganisira extruding, rolling uye kukanda. Extrusion inogadzira kudzvanywa nekupfuura aruminiyamu zvinhu kuburikidza nekufa mune extruder, ichiiburitsa muchinhu chine inodiwa muchinjiko-chikamu chimiro. Iyi nzira yakakodzera kugadzira zvigadzirwa zvakaoma-zvakaita sengemafuremu emahwindo, mafuremu emasuo nemapombi. Kukunguruka kupfuudza mabhuroko ealuminium kana mahwendefa kuburikidza nenhevedzano yemaitiro ekukunguruka kuburikidza neguyo rema roller kuti agadzirise iwo muhukobvu nehupamhi hunodiwa. Iyi nzira yakakodzera kugadzirwa kwezvinhu zvakadai sealuminium foil, aluminium alloy sheets uye mabhodhoro ealuminium. Kukanda kunosanganisira kudira aruminiyamu yakanyungudutswa muforoma, inozotonhodzwa uye yosimbiswa kuti iumbe chimiro chinodiwa chechigadzirwa. Iyi nzira yakakodzera kugadzira magiya ealuminium, zvikamu zveinjini, uye zvikamu zvemotokari, pakati pezvimwe. Kuburikidza neaya matanho ekugadzirisa, zvinhu zvealuminium zvinogona kunyatsogadziriswa kuita zvakasiyana-siyana zvealuminium zvigadzirwa zvine mashandisirwo akasiyana.

5. Kudzokorora

Kudzokorodza kweAluminium kune simba rinoshamisa, kushandisa 5% chete yesimba rinodiwa kugadzira aruminiyamu yekutanga kubva kune zvigadzirwa. Uyezve, maitiro ekudzoreredza aruminiyamu haashatise hunhu hwayo, achibvumira kuti ishandiswezve nekusingaperi. Muchokwadi, inoshamisa 75% yearuminiyamu yese yakambogadzirwa ichiri mushishi kushandiswa nhasi. Huwandu uhu hunosimbisa kusimba uye hupenyu hurefu hwealuminium sechinhu chinogona kudzokororwa mumaindasitiri akasiyana.

Ruiqifeng inogona kupa zvakasiyana-siyana zvigadzirwa zvealuminium kuzadzisa zvaunoda. Kana iwe uchida kutaura nechikwata chedu uye udzidze zvakawanda nezvekuti Ruiqifeng inogona kubatsira sei bhizinesi rako, sunungukataura nesu.