Ballaarinta Codsiyada ee Kala qallalan Triboelectric Macdanta

Ballaarinta Codsiyada ee qallalan Triboelectric

Kala Macdanta

James D. Bittner, Kyle P. Flynn, iyo Frank J. Hrach

ST Qalabka & technology LLC, Needham Massachusetts 02494 USA

Tel: +1-781-972-2300, email: jbittner@titanamerica.com

aan la taaban karin

ST Qalabka & technology, LLC (STET) ayaa sameeyay nidaamka processing ku salaysan kala go'a suunka triboelectrostatic bixiya warshadaha macdanta loo adeegsanayo in la beneficiate qalab wanaagsan oo technology ah oo gebi ahaanba qalalan. Marka la barbardhigo hababka kale ee isa-soociddiisa electrostatic in caadi ahaan ku koobnayn qayb weyn yahay 75μm ee size, SEPARATOR ee suunka triboelectric waxaa haboon kala ah mid aad u wanaagsan (<1μm) si dhexdhexaad ah aan dhab ahayn (300μm) Qurub la dhex mid aad u sarreeya. The oolnimada sare-soociddiisa multi-yada iyada oo gudaha xukun / recharging iyo dib u natiijooyinka kala fog ka xoogbadan in lagu gaari karaa oo leh hal-yada caadiga uqalma dhici SEPARATOR triboelectrostatic. The technology SEPARATOR suunka triboelectric ayaa loo isticmaalay in lagu kala tiro balaadhan oo ah qalabka ay ka mid yihiin isku mid ah aluminosilicates madxafka / carbon, calcite / quartz, Rusheyn kartaa / magnesite, iyo barite / quartz. Isbarbar dhigga dhaqaale ee la isticmaalayo kala suunka triboelectrostatic kasoo horjeeddo sabeynta ee caadiga ah, waayo, barite / separation quartz muujinayaa faa'iidooyinka of processing qalalan macdanta.

keywords: macdan, separation qalalan, barite, xukun triboelectrostatic, suunka SEPARATOR, duuli ash

HORDHAC

la'aanta ah ee ay helaan biyo nadiif ah ayaa noqonaya arrin weyn oo saameyn ku Bulshda ee mashaariicda macdan adduunka oo dhan. Sida laga soo xigtay Hubert Fleming, agaasimaha caalamiga hore ee Hatch Biyaha, "Dhammaan mashaariicda macdan ee dunida ayaa sidoo kale la joojiyay ama hoos sanadkii la soo dhaafay, waxa uu ahaa, ku dhowaad 100% ee kiisaska, sabab u ah biyo, si toos ah ama si dadban "Blin (2013). Hababka processing macdanta qallalan bixiyaan mushkiladda xal loo this shiddadii.

hababka kala go'ida qoyan sida sabeynta Wiski baahan Intaa waxaa dheer ee reagents kiimikada ay tahay in la si ammaan ah u maareeyeen iyo takhalusin hab deegaanka masuul ka. Ciday aysan suurto gal ahayn in ay la shaqeeyaan 100% recycle biyaha, u baahan in lagu qubo oo ah ugu yaraan qayb ka mid ah biyaha habka, tahay oo ay ku jiraan xaddi raad reagents kiimikada.

Hababka qallalan sida soociddiisa electrostatic reebi doonaan baahida loo qabo biyo nadiif ah, oo waxaad bixisaa awood u leh in la yareeyo kharashka. Mid ka mid ah horumar cusub ugu wanaagsan ee kala macdanta qalalan waa SEPARATOR suunka triboelectrostatic ah. Technology Tani ayaa kala duwan ee size walxaha si ay qaadhaan Qurub badan teknoolajiyada-soociddiisa electrostatic caadiga ah, galay kala duwan halkaas oo sabeynta kaliya ayaa guul ee la soo dhaafay.

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Jaantuska 2. Detail ee zone-soociddiisa

Geedi socodka gebi ahaanba qalalan, wuxuu u baahan yahay ma qalab dheeraad ah oo soo saarta oo aan lahayn biyo qashinka ama qiiqa hawada. In the case of carbon ka kala ash dhoobnayd, qalabka soo kabsaday ka kooban yihiin ash dhoobnayd hoos ku content carbon in heerka ku haboon in loo isticmaalo sida shaydi a pozzolanic ee la taaban karo, iyo jajab carbon sare ah oo lagu gubay karo warshad koronto dhalin ah. Isticmaalka labada durdurrada wax soo saarka waxay bixisaa a 100% xal inuu u duulo dhibaatooyinka qubo ash.

The SEPARATOR suunka triboelectrostatic waa is haysta. Mashiinka A loogu talagalay in lagu farsameeyo 40 tan saacaddii waa qiyaastii 9.1 mitir (30 ft) dheer, 1.7 mitir (5.5 ft.) ballaaran oo 3.2 mitir (10.5 ft.) sare. Miisaanku waa loo baahan yahay ee warshadda ka kooban tahay nidaamka uu u gudbiyo wax qallalan iyo ka SEPARATOR ah. compactness The nidaamka u oggolaanaysa in dabacsanaan naqshadooda rakibaadda.

Jaantuska 3. Commercial SEPARATOR suunka triboelectrostatic

Marka la barbardhigo hababka kale ee isa-soociddiisa electrostatic

The technology-soociddiisa suunka triboelectrostatic aad bay u fidiya kala duwan ee qalabka in la beneficiated karo by hababka electrostatic. The geedi socodka electrostatic inta badan la isticmaalo tiirsan kala duwan ee conductivity korontada qalabka in la kala soocay. In hawlgaladaa, wax waa la xiriir durbaan ku xeeldheer ama saxan caadi ahaan ka dib markii ay qayb ka wax xun Oogay dheecaan ah Corona ionizing. qalabka tabinta lumin doonaa waxay u talin si deg deg ah oo lagu soo tuuray durbaan. The wax aan tabinta sii wadaan in ay la soo jiidatay inay durbaan tan

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lacag dhereggu doonaa si tartiib ah u dhici doono ama in la indha tiray ka durbaanka ka dib kala wax ka qabashada. Nidaamkan waa mid ku kooban in awoodda ay sabab u tahay xiriirka loo baahan yahay ee walxaha kasta si ay durbaanka ama saxan. Saamayntii oo ka mid ah xiriir ku amraya geedi socodka ayaa sidoo kale ku koobnayn qayb ka mid ah oo ku saabsan 100 μm ama ka weyn ee size ay sabab u tahay labada baahida loo qabo in la xiriir waslad khafiif ah oo ku xeeldheer iyo dhaqdhaqaaqa socodka walxaha loo baahan yahay. Baaxad ahaan kala duwan sidoo kale waxay yeelan doonaan dhaqdhaqaaqa socodka kala duwan ay sabab u tahay saamaynta latago oo keeni doonta in separation yaraadeen. jaantuska soo socda (Jaantuska 4) ayaa muujineysa muuqaalada aasaasiga ah ee noocan ah ee SEPARATOR.

Jaantuska 4. Drum SEPARATOR electrostatic "Elder (2003)"

kala Triboelectrostatic aan ku xaddidnayn kala tabinta / qalabka non-tabinta laakiin ku xiran arrin la yaqaan ee lacag kala iibsiga by xiriir frictional qalabka la chemistry dusha duwana. Tani waxay ifafaale ayaa lagu isticmaalaa in geedi socodka soociddiisa "dayrta oo lacag la'aan ah" muddo tobannaan sano. nidaamka noocan oo kale ah waxaa lagu muujiyey Jaantuska 5. Qaybaha ee isku dar ah ee Qurub ugu horeysay horumarinta eedeeyay kala duwan by xiriirka labada la dusha biraha a, ama by walxaha inay xiriir walxaha in qalab quudinta sariirta buusho. Sida qayb ka dhici berrin korontada aaga koronto ah, dhabbihii walxaha kasta waxaa dhacday xagga koronto ee lacag soo horjeeda. Ka dib markii meel fog qaarkood, biinka ururinta shaqeeya ay u kala soocaan durdurrada. rakiban caadiga ah u baahan yihiin marxaladaha SEPARATOR badan la recycle of jajab fari. aaladaha qaarkood waxay isticmaalaan il joogta ah oo gaas ah si ay u caawiyaan gaarsiinta ee qayb ka ah iyada oo loo marayo zone koronto ah.

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Jaantuska 5. "Dayrta Free" SEPARATOR triboelectrostatic

Noocan ah SEPARATOR dayrta oo lacag la'aan ah ayaa sidoo kale waxa uu leeyahay la dhaafi karin ee size walxaha mid ah waxyaabaha la sheegay in loo samayn karo. socodka gudahood zone koronto waa in gacanta si loo yareeyo qas inay ka fogaadaan "marsamaysa" nijaasta ah. dhabbihii qayb ka wanaagsan yihiin ka badan dhibta ka qas tan iyo markii ciidamada jiitaa aerodynamic on qayb ka wanaagsan yihiin inta ka badan ciidamada gravitational iyo electrostatic. The Qurub aad u wanaagsan sidoo kale waxay doonaan si ay u ururiyaan on dusha koronto iyo waa in la saaro by hab qaar ka mid ah. Qurub ka yar 75 μm aan la kala saari karaan.

xaddidaadda kale waa in loading walxaha gudahood zone koronto ah waa in ay ku yar si looga hortago saamaynta lacag meel, taas oo xadidi heerka nidaaminta. Gudbinta wax iyada oo aaga koronto ka muuqo keentey in separation-hal marxalad, tan iyo ma jiro wax fursad dib-u-xukun of Qurub. Sidaa darteed, nidaamyada multi-yada ayaa looga baahan yahay wanaajinta heerka uu isa-soociddiisa oo ay ku jiraan dib-u-xukun ah waxyaabaha la taabashada xiga qalab la amraya. The keentay mugga qalabka iyo kakanaanta kor u sida.

Marka la barbardhigo habka kale ee la heli karo-soociddiisa electrostatic, SEPARATOR ee suunka triboelectrostatic waxaa haboon kala ah mid aad u wanaagsan (<1 μm) si dhexdhexaad ah aan dhab ahayn (300μm) qalabka la throughputs mid aad u sarreeya. The xukun walxaha triboelectric waa waxtar u leh tiro balaadhan oo ah qalabka iyo waxay u baahan tahay oo kaliya walxaha - walxaha xiriir. Farqiga u yar, beerta sare korontada, hortago qulqulka hadda, ficil caro walxaha-walxaha iyo is-nadiifinta xorta ah ee suunka on electrodes waa sifooyinka muhiimka ah ee SEPARATOR ah. The oolnimada sare-soociddiisa multi-yada iyada oo ku amraya / recharging iyo natiijooyinka recycle gudaha ee kala fog ka xoogbadan, iyo waa ku ool ah oo ku saabsan waxyaabaha wanaagsan in aan la kala saari karaa oo dhan by farsamooyinka caadiga ah.

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CODSIYADA OF KALA TRIBOELECTROSTATIC suunka

Daqsi Ash

The technology-soociddiisa suunka triboelectrostatic markii ugu horaysay la industrially codsatay in ay howsha ash dhuxusha Daqsi sari ee 1995. Waayo, codsiga ash Daqsi, technology ayaa wax ku ool ah kala qayb carbon ka sari ee aan dhamaystirnayn oo dhuxusha, ka qayb macdanta aluminosilicate madxafka in ash Daqsi. Technology ayaa qeyb muhim ah in awood recycle of flyash macdanta qaniga ku ah bedelka cement ee wax soo saarka la taaban karo a. Tan iyo markii ay 1995, 19 separators suunka triboelectrostatic ayaa ka hawlgala USA, Canada, UK, iyo Poland, baaraandegidda ka badan 1,000,000 tan oo ash dhoobnayd sannad kasta. technology hadda waa sidoo kale ee Asia la SEPARATOR ugu horeysay lagu rakibay ee South Korea ee sanadkan. Taariikhda warshadaha nijaasta ash dhoobnayd waxaa ku qoran Shaxda 1.

Miis 3. Tusaalooyinka, kala macdanta isticmaalaya-soociddiisa suunka triboelectrostatic

Isticmaalka SEPARATOR ee suunka triboelectrostatic ayaa lagu soo bandhigay in ay si wax ku ool beneficiate isku dhiska badan oo macdanta. Tan iyo SEPARATOR ka baaraandegi karin qalabka la tirada walxaha ku saabsan 300 μm in ka yar 1 μm, iyo kala triboelectrostatic waa waxtar u leh qalabada iyo qalabka tabinta labada, technology aad u fidiyaa kala duwan ee wax lagu dabaqi karo in ka badan separators electrostatic caadiga ah. Tan iyo habka triboelectrostatic waa gebi ahaanba qalalan, isticmaalka waxa ka mid ah ay meesha baahida loo qabo in wax lagu qalajiyo iyo maaraysay dareere qashinka ka geeddi sabeynta.

QIIMAHA KALA TRIBOELECTROSTATIC suunka

Marka la barbardhigo in Caadiga sabeynta for Barite

A Daraasad kharashka barbardhig loo sameeyey by STET oo ay qabatay Soutex Inc. Soutex waa shirkad Quebec Kanada ku salaysan injineernimada leh waayo-aragnimo ballaaran labada sabeynta qoyan iyo qiimaynta nidaamka kala go'idda electrostatic iyo design. Baadhitaanka ayaa marka la barbar dhigo kharashaadka caasimada iyo hawlgalka geedi socodka soociddiisa suunka triboelectrostatic in sabeynta Wiski caadiga ah, waayo, beneficiation ee ore-fasalka hooseeyo barite a. Labada teknoolajiyada cusboonaynta barite ah by saarista cunnooyinka adkaha ah cufnaanta u hooseeya, inta badan quartz, in la soo saaro batroolka Institute American ah (API) barite fasalka qodista la weyn Moon badan 4.2 g / ml. Natiijooyinka sabeynta ayaa ku salaysan cilmiga dhirta pilot sameeyay Hindiya Mettalurgical National Laboratory "NML (2004)". Natiijooyinka-soociddiisa suunka Triboelectrostatic ayaa ku salaysan cilmiga dhirta pilot isticmaalaya senti feed la mid ah. Daraasad dhaqaale barbardhig ka mid ahaa horumarinta flowsheet, qalab iyo tamarta kafado, qiimaynta qalabka waaweyn iyo oraah for sabeynta iyo geedi-soociddiisa suunka triboelectrostatic labada. The salaysan labada flowsheets waa isku mid, processing 200,000 t / y ee barite feed la SG 3.78 si loo soo saaro 148,000 t / y ee qodista fasalka saarka barite la SG 4.21 g / ml. qiyaasta nidaamka sabeynta ma uusan waxaa ka mid ah wixii kharash biyo habka, ama daaweynta biyaha.

Flowsheets ayaa ahbaa by Soutex hanaanka barite sabeynta ee (Jaantuska 6), iyo nidaamka kala go'idda suunka triboelectrostatic (Jaantuska 7).

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Jaantuska 6 habka sabeynta Barite flowsheet

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Jaantuska 7 Barite suunka triboelectrostatic flowsheet geedi-soociddiisa

Theses flowsheets ha ku darin nidaam ore cayriin burburiyo, taas oo waa wax caadi ah in labada teknoolajiyada. Feed shiidi doona kiiska sabeynta ee uu dhammaado la isticmaalayo dhagax ah kubada saxarka qoyay classifier duufaanta. Feed shiidi doona kiiska soociddiisa suunka triboelectrostatic dhammaaday isticmaalaya qalalan ah, dhagaxshiidka rullaluistemadka toosan la classifier firfircoon muhiim.

The flowsheet-soociddiisa suunka triboelectrostatic waa sahlan yahay sabeynta. separation suunka Triboelectostatic waxaa lagu gaarayaa in hal marxalad oo aan dheer ee wax reagents kiimikada, marka la barbar dhigo sabeynta ee saddex-yada la xeyr loo isticmaalaa sida ururiyaha ah barite iyo sodium silicate sida dejiye ah gangue silica ah. flocculant A ayaa sidoo kale ku daray sida reagent ah buurnaan kiiska sabeynta barite ah. No qalabka dewatering iyo qallajinta loo baahan yahay kala suunka triboelectrostatic, marka la barbar dhigo thickeners, macsarada filter, iyo qalajiya Rotary looga baahan yahay habka barite sabeynta ee.

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tixraacyada

1.Blin, P & Dion-Ortega, A (2013) High iyo qallalan, CIM Magazine, vol. 8, no. 4, pp. 48-51.

2.Elder, J. & Yan, E (2003) Qarni eForce.- Newest of SEPARATOR electrostatic ee warshadaha macdanta sands, Shirka Macdanta culus, Johannesburg, Machadka African Macdanta iyo Metallurgy South.

3.Manouchehri, H, Hanumantha Roa,K, & Foressberg, K (2000), Review of Hababka Kala korontada, Part 1: dhinacyo Fundamental, macdanta & Processing qodniinka-, vol 17, no. 1 pp 23 - 36.

4.Manouchehri, H, Hanumantha Roa, K, & Foressberg, K (2000), Review of Hababka Kala korontada, Part 2: Tixgelinta la taaban karo, macdanta & Processing qodniinka-, vol 17, no. 1 pp 139- 166.

5.Searls, J (1985) potash, Cutubka in Xaqiiqada Macdanta iyo Dhibaatooyinka: 1985 Edition, United States Bureau of Macdanta, Washington DC.

6.Berthon, R & Bhicr, M, (1975) Kala Electrostatic of Potash senti, United States Xaqsiinta # 3,885,673.

7.Brands, L, Beier, P, & Stahl, I (2005) Kala Electrostatic, Wiley-VCH verlag, GmbH & co.

8.weedhan, F (1962) separation of Electrostatic Granular Qalabka, US Bureau of Macdanta, Bulletin 603.

9.weedhan, F (1964), Pretreatment of minerals kala electrostatic, US Xaqsiinta 3,137,648.

10.Lindley, K & Rowson, N (1997) arrimaha Feed diyaarinta saamayn ku oolnimada kala electrostatic, Kala magnetic iyo korontada, vol 8 pp 161-173.

11.Inculet, I (1984) Kala Macdanta Electrostatic, Electrostatics iyo Electrostatic Codsiyada Taxanaha, Studies Research Press, Ltd, John Wiley & wiilashii, Inc.

12.Feasby, D (1966) Free-Fall Electrostatic Kala Phosphate iyo Calcite Qurub, Macdanta Research Laboratory, Shaybaarka Nos. 1869, 1890, 1985, 3021, iyo 3038, buugga 212, Progress Report.

13.Stencel, J & Jiang, X (2003) Gaadiidka Pneumatic, Triboelectric Beneficiation for Phosphate Florida ee Warshadaha, Florida Institute of Research Phosphate, Publication No. 02-149-201, December.

14.Manouchehri, H, Hanumantha R, & Foressberg, K (2002), Triboelectric Charge, guryaha Electrophysical oo la fili karo korontada Beneficiation of KIIMIKADA daweeyey Feldspar, quartz, iyo Wollastonite, Kala magnetic iyo korontada, vol 11, no 1-2 pp 9-32.

15.Inta, J, madadaalo, M, & Bruwer, J (2007) Influence ee saamaynta dusha ku kala electrostatic of zircon iyo rutile, Shirku waxaa uu 6-dii International culus Macdanta, Machadka African Southern The Macdanta iyo Metallurgy.

16.Celik, M iyo Yasar, E (1995) Raadka Heerkulka iyo nijaasta on Kala Electrostatic of Boron Qalabka, macdanta Engineering, vol. 8, no. 7, pp. 829-833.

17.weedhan, F (1947) Notes on qallajinta loogu talagalay Kala Electrostatic of Qurub, Jacaylka TEC. Pub 2257, November.

18.NML (2004) Beneficiation of barite fasalka hooseeyo (Natiijooyinka warshad pilot), Report Final, Laboratory qodniinka- Qaranka, Jamshedpur Hindiya, 831 007

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