Kaolin ni imyunyu ngugu isanzwe kwisi.Nibintu byingirakamaro kuri pigment yera, kubwibyo, kwera nigipimo cyingenzi kigira ingaruka kuri kaolin.Hano hari ibyuma, ibinyabuzima, ibintu byijimye nibindi byanduye muri kaolin.Iyi myanda izatuma kaolin igaragara kumabara atandukanye, bigira ingaruka kumweru.Kaolin rero igomba gukuraho umwanda.
Uburyo busanzwe bwo kweza kaolin burimo gutandukanya uburemere, gutandukanya magneti, flotation, kuvura imiti, nibindi bikurikira nuburyo busanzwe bwo kweza kaolin:
1. Gutandukanya imbaraga rukuruzi
Uburyo bwo gutandukanya imbaraga za rukuruzi bukoresha cyane cyane itandukaniro riri hagati yubutare bwa gangue na kaolin kugirango ukureho umwanda mwinshi wibintu byoroheje kama, quartz, feldspar nibintu birimo fer, titanium na manganese, kugirango bigabanye ingaruka zumwanda.Imyitozo ya Centrifugal ikoreshwa mugukuraho umwanda mwinshi.Itsinda rya hydrocyclone rirashobora kandi gukoreshwa mukurangiza gukaraba no kwerekana kaolin mugikorwa cyo gutondeka, kidashobora kugera ku ntego yo gukaraba no gutondekanya gusa, ariko kandi kikanakuraho umwanda, ufite agaciro keza ko gukoreshwa.
Nubwo bimeze bityo ariko, biragoye kubona ibicuruzwa bya kaolin byujuje ubuziranenge, kandi ibicuruzwa byujuje ibyangombwa bigomba kuboneka kubwo gutandukanya magnetiki, flotation, kubara nubundi buryo.
2. Gutandukana kwa rukuruzi
Amabuye ya kaolin hafi ya yose arimo ubutare buke bwa fer, muri rusange 0.5-3%, cyane cyane magnetite, ilmenite, siderite, pyrite nibindi byanduye.Gutandukana kwa magnetiki bikoresha cyane cyane itandukaniro rya magnetique hagati ya gangue minerval na kaolin kugirango ukureho umwanda wamabara.
Kuri magnetite, ilmenite nibindi bikomeye bya magnetique cyangwa ibyuma bya fer bivanze mugutunganya, ukoresheje uburyo bwo gutandukanya magnetique gutandukanya kaolin nibyiza cyane.Ku myunyu ngugu ya magnetiki idakomeye, hari uburyo bubiri bwingenzi: bumwe ni uguteka, kubigira imyunyu ngugu ya magnetique ikomeye, hanyuma igatandukanya magneti;Ubundi buryo ni ugukoresha urwego rwo hejuru rukuruzi ya magnetique yo gutandukanya uburyo bwo gutandukanya magnetiki.Kuberako gutandukanya magnetique bidasaba gukoresha imiti ya chimique, ibidukikije ntibizatera umwanda, kubwibyo rero mugihe cyo gutunganya amabuye y'agaciro atari ubutare.Uburyo bwo gutandukanya magnetique bwakemuye neza ikibazo cyo gukoresha no gukoresha kaolin yo mu rwego rwo hasi idafite agaciro mu bucukuzi bw'amabuye y'agaciro kubera ubwinshi bw'amabuye y'agaciro.
Nubwo bimeze bityo ariko, biragoye kubona ibicuruzwa byo murwego rwohejuru ukoresheje magnetique yonyine, kandi kuvura imiti nibindi bikorwa birakenewe kugirango turusheho kugabanya ibirimo fer mubicuruzwa bya kaolin.
3. Flotation
Uburyo bwa flotation bukoresha cyane cyane itandukaniro ryumubiri nubumara hagati yamabuye ya gangue na kaolin kugirango bivure ubutare bwa kaolin mbisi hamwe n’umwanda mwinshi, kandi bikureho umwanda urimo fer, titanium na karubone, kugirango tumenye neza ikoreshwa ryurwego rwo hasi. ibikoresho bya kaolin.
Kaolin ni amabuye y'agaciro asanzwe.Imyanda nkicyuma na titanium ikunze gushirwa mubice bya kaolin, bityo ubutare bubisi bugomba kuba hasi kurwego runaka rwiza.Uburyo bwa Kaolinite bukoreshwa muburyo bwa ultra nziza yuburyo bwa flotation, uburyo bwo guhinduranya ibintu bibiri hamwe nuburyo bwo guhitamo floculation, nibindi.
Flotation irashobora kongera neza umweru wa kaolin, mugihe ibibi ari uko ikenera imiti yimiti kandi igatwara byinshi, byoroshye gutera umwanda.
4. Kuvura imiti
Kurandura imiti: umwanda umwe muri kaolin urashobora gushonga ukoresheje aside sulfurike, aside hydrochloric, aside nitricike nibindi bikoresho byo kumena kugirango bikureho umwanda.Ubu buryo burashobora gukoreshwa mugukuraho hematite, limonite na siderite kurwego rwo hasi kaolin.
Guhumanya imiti: umwanda uri muri kaolin urashobora guhindurwamo okiside mubintu byangirika binyuze mu guhumanya, bishobora gukaraba no kuvanwaho kugirango ubuziranenge bwibicuruzwa bya kaolin.Nyamara, kumena imiti birahenze kandi mubisanzwe bikoreshwa muri kaolin yibanze, bikenera kwezwa nyuma yo kwanduza.
Kwoza kotsa: itandukaniro ryimiterere yimiti nubusembwa hagati yumwanda na kaolin birashobora gukoreshwa mugutwika magnetisation, gutwika ubushyuhe bwo hejuru cyangwa chlorine ikaranze kugirango ukureho umwanda nka fer, karubone na sulfide muri kaolin.Ubu buryo bushobora kunoza imiti yibicuruzwa bibarwa, kuzamura cyane umweru wa kaolin, no kubona ibicuruzwa byo mu rwego rwo hejuru.Ariko ibibi byo kweza bikaranze ni uko gukoresha ingufu ari binini, byoroshye guteza ibidukikije.
Binyuze muri tekinoroji imwe biragoye kubona urwego rwohejuru rwa kaolin.Kubwibyo, mubikorwa nyirizina, turagusaba guhitamo ibikoresho byujuje ubuziranenge bwo gutunganya amabuye y'agaciro.Gukora igeragezwa ryo gutunganya amabuye y'agaciro no gukoresha tekinoroji yo gutunganya kugirango wongere ubwiza bwa Kaolin.
Igihe cyo kohereza: Apr-06-2020