Maitiro ekuyerera kwefroth anowanzo kutsanangurwa sechiito chemuviri-kemikari, apo chicherwa chinokwezvwa, uye chinozvisungirira pamusoro pebubble, uye chinotakurirwa pamusoro pesero, kwainofashukira mumudziyo wekuburitsa. , kazhinji nerubatsiro rwemapadhi, anotenderera akananga kunogezesa (icho chinowanzove chimwiro, chine chinangwa chekutakura slurry kuenda kutangi uko inopombwa kuti ienderere mberi nekugadziriswa, sekubvisa mvura kana kudonha. pamichina yakajairwa flotation, iri kune mhiri kwesero kubva pakudya, kuve nechokwadi kuti slurry inofamba kureba kwesero yapfuura mabhanga akawanda ane impeller-diffusers, isati yaburitswa semaswe.

Mhando dzinoverengeka dzemakemikari anobatanidzwa mufroth flotation, uye akati wandei anogona kubatanidzwa.Kutanga ndiye mutsigiri kana kuti fther.Kemikari iyi inongogadzira mabubbles esimba rakakwana kuti riite pamusoro risingatyoke.Hukuru hwemabhubhu hwakakosha, zvakare, uye maitiro ndeemabhuru madiki, sezvo achipa akawanda epamusoro nzvimbo (bata mamineral solids nekukurumidza), uye ane kugadzikana kukuru.Tevere muunganidzi reagents ndiyo yekutanga kemikari inozogadzira chisungo pakati peimwe mineral pane bubble pamusoro.Vaunganidzi vanoshambadza pane iyo mineral surface kana kugadzira kemikari inopindirana nemaminerari, ichiibvumira kuti irambe yakasungirirwa parwendo kuenda kune yekuwachira.Doro uye isina simba acids maviri emakemikari marudzi evateresi anowanzo shandiswa mumineral beficiation.

Kune zvakare mashoma anoshandiswa reagents, senge depressors, kuti aderedze makomisheni kuitira kuti asaomerera kumabhuru, pH inogadzirisa makemikari, uye activating agents.Iwo activating agents anobatsira chaizvo muunganidzi chisungo neine chaiyo mineral iyo inonetsa kuyangarara.

Makambani akadai seCytec, Nalco, uye Chevron Phillips Chemical Company ndivo vagadziri vakuru vemarudzi ese emakemikari anoyerera.

Nenzira yakanaka, mareagents achawedzerwa kune tangi yekugadzirisa, ine agitator, isati yaenda kune flotation cell, asi kazhinji, inongowedzerwa kune chikafu, isati yapinda muchitokisi, ichivimba nesero kinetics uye impellers. kusanganisa.

Iyo ore inoda kudzika zvakaringana kusvika pakukura kuti isunungure zvicherwa, kazhinji 100 mesh kana yakatsetseka (150 microns).Zvadaro inosanganiswa nemvura kusvika pachiyero chakanaka chezvimedu (kazhinji kubva pa5% kusvika ku20%), izvo zvichapa kupora kwakanyanya kwemaminerari.Izvi zvinotemerwa murabhoritari batch flotation masero, achimhanyisa akati wandei ebvunzo kuti aone yega yega determinant muitiro.

Flotation muchina mhando dzinosiyana zvakanyanya zvakare, asi dzese dzakanyanya kufanana, pakuti dzinounza mweya uri pasi pemvura, uye nekuiparadzira muchitokisi.Vamwe vanoshandisa ma blower, air compressors, kana kuita kwe flotation impeller kugadzira chivharo pasi pacho uye kukwevera mweya mumushini, kuburikidza nepipepipe inoisawo impeller shaft.Icho chiri mune tsanangudzo yenzira yekuunza makemikari, mhepo uye zvicherwa mumvura izvo zvinoita kuti zvive zvakasiyana.

Uye sekutaura, ndaona kwakawanda voodoo uye manyepo ekutaura kwehunyanzvi mudhizaini yefroth flotation muchina kupfuura chero chinhu kubva mazuva emafuta enyoka eOld West.Zvinowanzo huchenjeri kunamatira nemhando yakanaka iyo inoshandiswa zvakanyanya mukuyangarara kwemineral inodiwa.

Kufambira mberi kukuru kwave kuri kushandiswa kweColumn Flotation seyakachena inoyangarara sero muindasitiri yemhangura (nemamwe maindasitiri mashoma).Inogadzira chigadzirwa chakachena, uye inoshanda zvakanyanya sesero rakachena, kazhinji, kupfuura masero akajairwa eflotation.Masero ecolumn flotation akatanga kuonekwa mumiti mukupera kwema1970 kusvika kuma1980 uye akagamuchirwa nevakawanda kuma1990.Muitiro mukuru nemasero ekuyaruka akajairwa anga ari Kukura Zvirinani, aine mayunitsi akakura ari kuuya mumusika kwemakumi emakore adarika.