Aikace-aikacen Polyacrylamide a ma'adinai

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Ana amfani da Polyacrylamide wajen hakar ma'adinai da sarrafa gawayi, zinariya, azurfa, tagulla, ƙarfe, tutiya, uranium, nickel, phosphorus, potassium, manganese da sauran ma'adanai da maganin wutsiya. Babban dalili shine inganta ingantaccen aiki da dawo da rabuwa mai ƙarfi-ruwa; Daga cikin su, a cikin masana'antar kwal, daskararwar da bayani game da murhun gawayi da jelar, rarrabuwa mai-ruwa cikin aikin tacewa da warkarwa; a cikin ma'adinai na zinare ko azurfa ko tagulla, wakilin ƙara ƙwallon da aka kara ta mai kauri a gaban tankin tacewa; a cikin ƙimar PH A cikin ƙananan (ƙasa da 4) ruwan ma'adinai, kamar su gubar-zinc ore, ana amfani da ita azaman abubuwan ƙara narkewa, da sauransu;

Masana'antar hakar ma'adinai tana cin ruwa mai yawa don:

(1) Babban ka'idar wankan ƙasa da shawagi shine yin amfani da banbanci a cikin yanayin kimiyyar jiki da kuma sinadarai na farfajiyar ma'adinai don yin ɗaya ko rukuni na ma'adinai a cikin ma'adinan da aka zaɓa don haɗawa da kumfa da yin iyo zuwa saman tama. , wanda zai zama da amfani Ma'adanai sun rabu da ma'adanai na gangue. Yawancin ma'adanai kamar ƙarfe, gawayi, phosphate, zinc, uranium, yashi, da sauransu suna amfani da wannan tsari. A wannan lokacin, flocculants don:

1. Raba ruwa daga gangue don sauƙaƙe sake amfani da ruwa;

Dewatering daɗaɗɗen laɓala wanda aka samu ta hanyar lalata gangue;

-Idan an dakatar da ma'adanin mai amfani a cikin ruwa, sai a raba shi da ruwan.

(2) Yayin aikin, ma'adanai na ƙarfe wani lokaci narkar da su a cikin asid ko alkali. A wannan lokacin,

Ana amfani da fulawan fulawa don rarrabewa da raba ƙazantar da ba a warware ba, kuma ana samun ƙarafa a cikin hanyar hydroxides ko salts. Wadanda ba ionic ko anionic flocculants ana amfani dasu a cikin hanyoyin da ke sama. flocculants marasa ionic a cikin acidic ko mafita mai ƙoshin gishiri.

  • Maganin wutsiyoyi

A tailings ruwa mai raɗaɗi galibi ya haɗa da magudanun ruwa, da wutsiyar slurry da magudanan ruwa. Akwai wasu daskararren daskararru a cikin jelar ruwa mai kwarara, kuma abun cikin ma'adanai masu amfani a cikin daskararren mai rauni. Fasahar da ke yanzu ba za a iya sake raba ta ba kuma ta zama ƙarshen wutsiyar ruwan sharar ruwa. A halin yanzu, galibi ana amfani da dusar da gwaiwa tare da daskarar da matattarar ruwa mai narkewa (kamar su matatar matatar bel, farantin karfe da matattarar matattara, tace yumbu, da sauransu). Abubuwan da aka dakatar sun zama kek ɗin laka bayan matatar tace ta sarrafa su. Ruwan da aka latsa mai latsawa ya sake shigar da tsarin amfani don sake yin fa'ida. Tsarin kulawa na cin gajiyar wutsiyar ruwa mai laushi: Bayan an gama amfani da ruwan da ake amfani da shi ta hanyar amfani da kayan masarufi, kyawawan abubuwan da ke cikin daskararren daskararren sun taru a cikin wani dan karamin maɓallin da ba shi da nauyi, sa'annan a shigar da tankin kwantar da ruwa bayan an gama yin ruwa tare da polyacrylamide flocculating precipitant, da kuma layin Bayan wucewa ta cikin kaurin a cikin tankin, sai famfon laka ya fitar da shi, kuma an sake kara polyacrylamide don aikin fulawa na biyu, sannan ya shiga matattarar matattarar (galibi yana amfani da matatar matatar bel, wanne ya fi inganci) don rabuwa da ruwan laka. Ruwan da ya rabu ya shiga tsarin zagayawa kuma an watsar da laka don shara ko amfani. Yawancin ruwan da ke wutsiya yana amfani da polyacrylamide anionic mai nauyin kwayoyin miliyan 15 ko miliyan 18 don magani, kuma wasu kalilan suna amfani da polyacrylamide mara ionic tare da nauyin kwayoyin miliyan 12. Ka'idar polyacrylamide wajen maganin wutsiyar ruwa mai tsafta: Dogon sarkar kwayar polyacrylamide tana kamawa kuma adsorbs an dakatar da abubuwa a cikin ruwa zuwa kananan barbashi ta hanyoyin da suka hada da tallar adsorption, kamawar yanar gizo, da kuma tsaka-tsakin lantarki. Manyan barbashi suna da babban takamaiman nauyi kuma suna iya matsawa cikin sauri cikin ruwa. Tsara, don cimma sakamakon raba raunin da aka dakatar da ruwa, ruwa na biyu shine a haɗa ƙananan barbashi don yin fure a karo na biyu don haɓaka ƙafafun, don haka haɓaka ƙimar aiki na matatar tace.

 

 


Post lokaci: Mar-27-2021
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