Kugwiritsa ntchito sodium Hexametaphosphate mu Mineral Flotation

Introduction

Mineral flotation ndi njira yomwe imagwiritsidwa ntchito kwambiri m'mafakitale a migodi kuti alekanitse mchere wamtengo wapatali ndi mchere wa gangue. Zimadalira kusiyana kwa thupi ndi mankhwala a mchere. Sodium hexametaphosphate, yokhala ndi kapangidwe kake kapadera kamankhwala ndi zinthu zake, yapeza ntchito yofunika kwambiri Kuyenda kwa mineral njira. Nkhaniyi ikufotokoza mbali zosiyanasiyana za ntchito yake mu mineral flotation.

Zinthu za sodium Hexametaphosphate

Sodium hexametaphosphate ndi inorganic polima pawiri. Zikuwoneka ngati kristalo wopanda mtundu wowonekera kapena ufa woyera. Ndiwosungunuka kwambiri m'madzi, ndipo njira yake yamadzimadzi ndi yamchere. Mumlengalenga, imakhala ndi digiri ya hygroscopicity. Zinthu zakuthupi ndi zamankhwala izi zimayala maziko a magwiridwe antchito ake mu mineral flotation.

Maudindo mu Mineral Flotation

Wokhumudwa

1.Kuletsa kwa Silicate ndi Carbonate Minerals

• Sodium hexametaphosphate imagwira ntchito poletsa mchere wa quartz ndi silicate. Pakuyandama kwa miyala ina, monga yomwe ili ndi feldspar ndi mica, imatha kukopa pamwamba pa mchere wa silicate. Mwachitsanzo, pakuyandama kwa miyala ya zirconium, imatha kuchepetsa kuyandama kwa feldspar yogwirizana ndi mchere wina wa silicate wa gangue powakomera pamalo awo.

• Ikuwonetsanso zotsatira zoletsa pa mchere wa carbonate monga calcite ndi miyala yamchere. Pakuyandama kwa phosphate ores komwe calcite ndi mchere wamba wa gangue, Sodium hexametaphosphate amatha kuchitapo kanthu ndi ayoni a calcium pamtunda wa calcite. Zimapanga mankhwala okhazikika omwe amawonjezera hydrophilicity ya calcite pamwamba, zomwe zimapangitsa kuti zikhale zochepa kuti asamangidwe ndi osonkhanitsa, motero kukwaniritsa cholinga choletsa.

2.Njira Yoletsa

• Imodzi mwa njira zazikulu zolepheretsa zimagwirizana ndi momwe zimakhalira ndi ayoni azitsulo pamtunda wa mchere. Pankhani ya mchere wokhala ndi ma ayoni achitsulo amitundu yambiri, sodium hexametaphosphate imatha kupanga zinthu zokhazikika ndi ayoni achitsulo awa. Pakuyandama kwa nickel ore, imakhudzidwa ndi ma ion enieni pamwamba pa serpentine, zomwe zimalepheretsa kusuntha kwa serpentine.

• Kuphatikiza apo, mu njira yamadzimadzi, sodium hexametaphosphate imatha ionize. Itha kuchitapo kanthu ndi ayoni a calcium mumchere wamchere ndi gawo lamadzimadzi. Pakulekanitsa kwa calcite ndi cassiterite, pawiri yomwe imapangidwa pamtunda wa calcite sikuti imangokhudza calcite komanso imatha kutsatsa pamtunda wa cassiterite, kuchepetsa kusankhidwa kwa zoletsa ndikuchepetsa kutsatsa kwa osonkhanitsa pamtunda.

Wobalalitsa

1.Kubalalika kwa Mineral Pulp

• Munjira zoyandama, makamaka kwa ore omwe ali ndi mchere wabwino kwambiri kapena matope apamwamba, kubalalitsidwa kwamafuta amchere ndikofunikira. Sodium hexametaphosphate imatha kugwira ntchito yofunika ngati dispersant. Mwachitsanzo, mu flotation wa faifi tambala - pyrite ores kugwirizana ndi serpentine, kuwonjezera mlingo woyenera wa sodium hexametaphosphate akhoza kumwazikana zoyandama zamkati. Ichi ndi chifukwa amachepetsa Kuphunzira serpentine padziko faifi tambala - pyrite, amene n'kopindulitsa kwa flotation kuchira kwa faifi tambala - pyrite.

2.Dispersion Mechanism

• Sodium hexametaphosphate imatha kuchepetsa kuthekera kwa mchere. Zotsatira zake, mphamvu ya electrostatic repulsive pakati pa mineral particles imawonjezeka. Mapangidwe ake a mamolekyulu, ophatikizika a polima okhala ndi unyolo wosachepera mayunitsi 20 - 100, akamathiridwa pamadzi amchere, amathanso kukulitsa kulepheretsa kwapakati pakati pa tinthu tating'onoting'ono. Pakuyandama kwa miyala yamtengo wapatali ya phosphate, kubalalitsidwa kumeneku kumatha kuletsa kuphatikizika kwa phosphate ndi mchere wa gangue, kupititsa patsogolo kulekana.

Ntchito mu Different Mineral Flotation

Phosphate Ore Flotation

1.Kusankha Kupatukana

• Mu phosphate ore flotation, sodium hexametaphosphate nthawi zambiri amagwiritsidwa ntchito kulekanitsa mchere wa phosphate ndi mchere wa gangue. Phosphate ores nthawi zambiri amagwirizanitsidwa ndi mchere wambiri wa gangue monga calcite, dolomite, ndi mchere wa silicate. Sodium hexametaphosphate imatha kuletsa mwapadera mchere wa gangue. M'malo mozungulira ma ore a phosphate ore, kuwonjezera pang'ono sodium hexametaphosphate kumatha kukulitsa kalasi ndi kuchira kwa phosphate. Imatha kuchitapo kanthu ndi mchere wopanda phosphate popanda kuchitapo kanthu ndi mchere wa phosphate, motero kumapangitsa kuti ma phosphate mineral flotation asamayende bwino.

2.Effect pa Foam Kukhazikika

• Zimakhudzanso kukhazikika kwa thovu mu phosphate ore flotation. Chithovu munjira yoyandama chimagwira ntchito pakutolera mchere wa phosphate. Sodium hexametaphosphate imatha kupititsa patsogolo kukhazikika kwa thovu. Itha kupanga zithovu zambiri zokhazikika, zomwe zimathandiza kukonza kusonkhanitsa kwa mchere wa phosphate. Mchere wa phosphate ukhoza kunyamulidwa bwino ndi thovu lokhazikika kupita pamwamba, potero kumapangitsa kuti ntchito yoyandama ikhale yabwino komanso kalasi.

Non - Ferrous Metal Ore Flotation

1.Nickel Ore Flotation

• Monga tanena kale, mu nickel ore flotation, sodium hexametaphosphate imagwiritsidwa ntchito makamaka poletsa serpentine. Serpentine ndi mchere wamba wa gangue mu nickel ores, ndipo kupezeka kwake kumatha kukhudza kuyandama kwa nickel - kubala mchere. Powonjezera sodium hexametaphosphate, imatha kuchitapo kanthu ndi ayoni achitsulo pamwamba pa serpentine, kuchepetsa kuyandama kwake ndikuwongolera kulekanitsa kwa nickel - kubala mchere kuchokera ku serpentine. Izi ndizothandiza pakuwongolera kalasi ndikubwezeretsanso kukhazikika kwa nickel.

2.Copper ndi lead - Zinc Ore Flotation

• Mu copper ndi lead - zinc ore flotation, pamene pali calcium yogwirizana - yokhala ndi mchere wa gangue monga calcite ndi dolomite, sodium hexametaphosphate ingagwiritsidwe ntchito kuletsa mchere wa gangue. Ena zovuta mkuwa - lead - nthaka ores, kusintha kuchuluka kwa sodium hexametaphosphate akhoza bwino kulamulira floatability wa mchere gangue, kuwongolera selectivity wa kuyandama ndi khalidwe la mkuwa, kutsogolera, ndi nthaka likunena.

Zomwe Zimakhudza Kugwiritsa Ntchito Ntchito

Mlingo

1.Kutsimikiza kwa Mlingo Wabwino

• Mlingo wa sodium hexametaphosphate umakhudza kwambiri momwe amagwirira ntchito mu mineral flotation. Mlingo wosayenera ungapangitse zotsatira zabwino kwambiri. Ngati mlingowo ndi wochepa kwambiri, sungathe kulepheretsa mchere wa gangue kapena kumwaza zamkati. Mwachitsanzo, mu flotation wa phosphate ore, ngati kuchuluka kwa sodium hexametaphosphate wowonjezera sikukwanira, mchere wa gangue sungakhale woletsedwa bwino, zomwe zimapangitsa kuti phosphate ikhale yochepa kwambiri.

• Kumbali ina, ngati mlingowo uli wochuluka kwambiri, sungowonjezera ndalama zokha komanso umayambitsa zotsatira zina zoipa. Nthawi zina, sodium hexametaphosphate yochulukirapo imathanso kulepheretsa mchere womwe umafunikira pamlingo wina, ndikuchepetsa kuchira. Chifukwa chake, kudziwa mulingo woyenera kwambiri pogwiritsa ntchito kafukufuku woyeserera komanso kukonza zolakwika patsamba ndikofunikira kuti tipeze zotsatira zabwino kwambiri zoyandama.

Mtengo wa pH wa Zamkati

2.Chikoka pa Chemical Reactions

• Phindu la pH la flotation zamkati limakhudza machitidwe a sodium hexametaphosphate. M'malo osiyanasiyana a pH, digiri ya ionization ndi mawonekedwe amankhwala a sodium hexametaphosphate amatha kusintha. M'malo a acidic, mphamvu yake yoletsa mchere wina imatha kufooka. M'malo amchere kwambiri, amatha kuchitapo kanthu ndi zinthu zina zamkati, zomwe zimakhudza momwe zimagwirira ntchito. Mwachitsanzo, mu kuyandama kwa ena amkuwa - lead - zinki ores, kusunga pH mtengo woyenerera (nthawi zambiri mozungulira 8 - 10) kungawonetsetse kuti sodium hexametaphosphate imalepheretsa bwino mchere wa gangue ndikulimbikitsa kuyandama kwa minerals chandamale.

Kutsiliza

Sodium hexametaphosphate imagwira ntchito zingapo zofunika pakuyandama kwa mchere, kuphatikiza ngati a Wokhumudwa ndi wobalalika. Kugwiritsiridwa ntchito kwake mumitundu yosiyanasiyana ya mineral flotation, monga phosphate ore ndi non-ferrous metal ore flotation, kwasintha kwambiri magwiridwe antchito komanso mtundu wa kulekanitsa mchere. Komabe, kuti agwiritse ntchito mokwanira zomwe angathe, zinthu monga mlingo ndi zamkati pH ziyenera kuyang'aniridwa mosamala. Ndikukula kosalekeza kwamakampani amigodi, kafukufuku wopitilira pakugwiritsa ntchito sodium hexametaphosphate mu mineral flotation angapangitse njira zogwirira ntchito bwino komanso zokhazikika.