Hydrocyclones

Bayani

Hydrocyclonessiffar cono-cylindrical ne, tare da mashigar ciyarwar tangential cikin sashin silindari da kuma mashigar a kowane axis. Ana kiran hanyar da ke sashin silindari mai gano vortex kuma yana shiga cikin guguwar don rage gajerun kewayawa kai tsaye daga mashigar. A ƙarshen conical shine mashigar ta biyu, spigot. Don girman rabuwa, duka kantuna gabaɗaya a buɗe suke zuwa yanayi. Hydrocyclones gabaɗaya ana sarrafa su a tsaye tare da spigot a ƙananan ƙarshen, don haka ana kiran samfurin ƙaƙƙarfan ƙaƙƙarfan ruwa da kyakkyawan samfur, yana barin mai gano vortex, da ambaliya. Hoto na 1 a tsari yana nuna ainihin kwarara da fasalulluka na ƙirahydrocyclone: biyu vortices, da tangential feed mashigai da axial kantuna. Sai dai yankin kusa da mashigin tangential, motsin ruwa a cikin guguwar yana da siffa ta radial. Idan ɗayan ko duka biyun kantunan suna buɗewa zuwa yanayi, yankin ƙananan matsa lamba yana haifar da tushen iskar gas tare da axis na tsaye, a cikin vortex na ciki.

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Hoto 1. Babban fasali na hydrocyclone.

Ka'idar aiki mai sauƙi ce: ruwa, yana ɗauke da ɓangarorin da aka dakatar, ya shiga cikin cyclone tangentially, karkace zuwa ƙasa kuma yana samar da filin centrifugal a cikin kwararar vortex kyauta. Manyan barbashi suna motsawa ta cikin ruwan zuwa waje na guguwar a cikin motsi mai karkata, kuma suna fita ta cikin spigot tare da ɗan guntun ruwa. Saboda iyakacin yanki na spigot, wani vortex na ciki, yana jujjuyawa a cikin hanya ɗaya da vortex na waje amma yana gudana zuwa sama, an kafa shi kuma ya bar cyclone ta hanyar mai binciken vortex, yana ɗauke da mafi yawan ruwa da ƙananan ƙwayoyin cuta tare da shi. Idan karfin spigot ya wuce gona da iri, za a rufe cibiyar iskar kuma fitar da spigot ya canza daga feshi mai siffar laima zuwa 'igiya' da asarar wani abu mara nauyi ga ambaliya.

Diamita na sashin silinda shine babban madaidaicin da ke shafar girman ɓangarorin da za a iya raba su, kodayake ana iya canza diamita na kanti don canza rabuwa da aka samu. Yayin da ma'aikatan farko suka yi gwaji tare da guguwa a matsayin ƙananan diamita na 5 mm, diamita na hydrocyclone na kasuwanci a halin yanzu suna zuwa daga 10 mm zuwa 2.5 m, tare da rarrabuwa masu girma dabam don barbashi na 2700 kg m-3 na 1.5-300 μm, yana raguwa tare da ƙãra ƙwayar ƙwayar cuta. Sautin matsi na aiki ya tashi daga mashaya 10 don ƙananan diamita zuwa mashaya 0.5 don manyan raka'a. Don ƙara ƙarfin aiki, ƙananan ƙanananhydrocyclonesana iya ninka shi daga layin ciyarwa guda ɗaya.

Kodayake ka'idar aiki mai sauƙi ce, yawancin al'amuran aikin su har yanzu ba a fahimta sosai ba, kuma zaɓin hydrocyclone da tsinkayar ayyukan masana'antu suna da tasiri sosai.

Rabewa

Barry A. Wills, James A. Finch FRSC, FCIM, P.Eng., a cikin Fasahar sarrafa Ma'adinai ta Wills (Bugu na takwas), 2016

9.4.3 Hydrocyclones Versus Screens

Hydrocyclones sun zo don mamaye rarrabuwa lokacin da ake ma'amala da ƙananan ƙananan ƙwayoyin cuta a cikin rufaffiyar da'irar niƙa (<200 µm). Koyaya, ci gaba na baya-bayan nan a fasahar allo (Babi na 8) sun sabunta sha'awar amfani da allo a cikin da'irori. Fuskokin fuska sun bambanta bisa girman girman kuma ba su tasiri kai tsaye ta hanyar yawa da aka yada a cikin ma'adinan abinci. Wannan zai iya zama fa'ida. Fuskar fuska kuma ba ta da juzu'in juzu'i, kuma kamar yadda Misali na 9.2 ya nuna, kewayawa na iya zama babba (sama da kashi 30 cikin dari a wannan yanayin). Hoto 9.8 yana nuna misali na bambance-bambance a cikin lanƙwasa bangare don guguwa da fuska. Bayanan daga El Brocal concentrator a Peru tare da kimantawa kafin da kuma bayan an maye gurbin hydrocyclones tare da Derrick Stack Sizer® (duba Babi na 8) a cikin da'irar niƙa (Dündar et al., 2014). Daidai da tsammanin, idan aka kwatanta da guguwar cyclone allon yana da rarrabuwar kawuna (tudun lankwasa ya fi girma) da ɗan kewayawa. An ba da rahoton karuwar ƙarfin da'irar niƙa saboda mafi girman adadin raguwa bayan aiwatar da allon. An dangana wannan ga kawar da wucewar hanya, rage adadin kyawawan kayan da aka mayar da su zuwa injin niƙa waɗanda ke da alaƙa da tasirin barbashi-barbashi.

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Hoto 9.8. Rarraba masu lankwasa don guguwa da fuska a cikin da'irar niƙa a El Brocal concentrator.

(An karɓa daga Dündar et al. (2014))

Canje-canje ba hanya ɗaya ba ce, duk da haka: misali na baya-bayan nan shine sauyawa daga allo zuwa guguwa, don cin gajiyar ƙarin girman rage girman ma'adinan mai yawa (Sasseville, 2015).

Tsarin ƙarfe da ƙira

Eoin H. Macdonald, a cikin Handbook of Gold Exploration and Evaluation, 2007

Hydrocyclones

Hydrocyclones an fi son raka'a don ƙima ko rage manyan ɗimbin ɗimbin ɗimbin rahusa kuma saboda sun mamaye sararin bene kaɗan ko ɗaki. Suna aiki mafi inganci idan ana ciyar da su ko da madaidaicin magudanar ruwa da yawa kuma ana amfani da su daban-daban ko cikin gungu don samun jimlar ƙarfin da ake so a rarrabuwar kawuna da ake buƙata. Ƙarfin girman girman ya dogara da rundunonin centrifugal waɗanda ke haifar da babban saurin kwarara ta cikin rukunin. Ƙwaƙwalwar farko ta hanyar slurry mai shigowa tana yin karkata zuwa ƙasa kusa da bangon mazugi na ciki. Ana jefa ƙaƙƙarfan ƙarfi a waje ta hanyar centrifugal ta yadda yadda ɓangaren litattafan almara ke motsawa ƙasa yawan yawansa yana ƙaruwa. Abubuwan da ke tsaye na saurin gudu suna aiki zuwa ƙasa kusa da bangon mazugi da sama kusa da axis. Ƙarƙashin ƙaƙƙarfan ƙaƙƙarfan ɓangarorin slime slime an tilasta shi zuwa sama ta wurin mai neman vortex don wucewa ta wurin buɗewa a saman ƙarshen mazugi. Yanki na tsaka-tsaki ko ambulan tsakanin maɓuɓɓugan biyu yana da sifili a tsaye a tsaye kuma yana raba daskararrun daskararrun da ke motsawa ƙasa daga mafi kyawun daskararrun masu motsi sama. Galibin kwararar yana wucewa zuwa sama a cikin ƙaramin vortex na ciki kuma mafi girman rundunonin centrifugal suna jefa mafi girman ɓangarorin ɓangarorin waje don haka samar da ingantacciyar rabuwa a cikin mafi kyawun ma'auni. Waɗannan barbashi suna komawa zuwa vortex na waje kuma suna ba da rahoto sau ɗaya ga abincin jig.

Matsayin lissafi da yanayin aiki a cikin tsarin karkace na yau da kullunhydrocyclonean kwatanta su a cikin siffa 8.13. Matsalolin aiki sune ƙarancin ɓangaren litattafan almara, ƙimar ciyarwar abinci, halaye masu ƙarfi, matsa lamba mai shigowa da matsa lamba ta cikin guguwar. Matsalolin Cyclone yanki ne na mashigar abinci, diamita mai gano vortex da tsayi, da diamita fitarwa spigot. Ƙimar madaidaicin ja da siffa kuma tana shafar su; yadda barbashi ya bambanta daga sphericity ƙarami shine sifar sifarsa kuma mafi girman juriyarsa. Yankin danniya mai mahimmanci na iya fadada zuwa wasu barbashi na gwal wanda girmansu ya kai mm 200 kuma a hankali lura da tsarin rarrabawa yana da mahimmanci don rage yawan sake yin amfani da shi da sakamakon haɓakar slimes. A tarihi, lokacin da aka ba da hankali sosai ga farfadowar 150μm hatsin gwal, ɗaukar zinare a cikin ɓangarorin slime ya bayyana cewa sun fi yawan alhakin asarar zinare waɗanda aka yi rikodin sun kai 40-60% a yawancin ayyukan sanya zinare.

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8.13. Geometry na al'ada da yanayin aiki na hydrocyclone.

Hoto 8.14 (Taswirar Zaɓin Warman) zaɓi ne na farko na guguwa don rabuwa a nau'ikan D50 daban-daban daga 9-18 microns har zuwa 33-76 microns. Wannan ginshiƙi, kamar yadda yake da irin waɗannan ginshiƙi na aikin guguwar, ya dogara ne akan ingantaccen abinci mai sarrafa na musamman. Yana ɗaukar abun ciki mai ƙarfi na 2,700 kg/m3 a cikin ruwa azaman jagora na farko zuwa zaɓi. Ana amfani da babban diamita cyclones don samar da rarrabuwar kawuna amma suna buƙatar babban adadin abinci don aikin da ya dace. Kyakkyawan rarrabuwa a babban adadin abinci yana buƙatar gungu na ƙananan diamita cyclones masu aiki a layi daya. Dole ne a ƙayyade madaidaicin ƙira na ƙarshe don girman kusa da gwaji, kuma yana da mahimmanci a zaɓi guguwa a kusa da tsakiyar kewayon don a iya yin kowane ƙaramin gyare-gyare da za a iya buƙata a farkon ayyuka.

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8.14. Jadawalin zaɓi na farko na Warman.

Ana da'awar guguwar CBC (gado mai zagayawa) don rarraba kayan abinci na gwal har zuwa diamita 5 mm kuma ta sami babban abincin jig mai tsayi daga magudanar ruwa. Rabuwa yana faruwa a kusanD50/150 microns bisa silica na yawa 2.65. Ana da'awar guguwar cyclone ta CBC tana dacewa musamman don rarrabuwar kawuna saboda ingantacciyar girman girman rabonta da kusan cikar kawar da barbashi masu kyau. Duk da haka, kodayake ana da'awar wannan tsarin don samar da babban matakin farko na ma'adanai masu nauyi a cikin wucewa ɗaya daga abinci mai tsayi mai tsayi (misali yashi na ma'adinai), babu irin waɗannan alkaluman wasan kwaikwayon da ke akwai don kayan abinci na alluvial mai ɗauke da gwal mai kyau da faski. . Tebur 8.5 yana ba da bayanan fasaha don AKWhydrocyclonesdon maki yanke tsakanin 30 da 100 microns.

Table 8.5. Bayanan fasaha don AKW hydrocyclones

Nau'in (KRS) Diamita (mm) Saukar da matsi Iyawa Yanke maki (microns)
Slurry (m3/h) Ƙarfafa (t/h max).
2118 100 1-2.5 9.27 5 30-50
2515 125 1-2.5 11-30 6 25-45
4118 200 0.7-2.0 18-60 15 40-60
(RWN) 6118 300 0.5-1.5 40-140 40 50-100

Ci gaba a cikin haɓakar ƙarfe na ƙarfe da fasahar rarrabuwa

A. Jankovic, in Iron Ore, 2015

8.3.3.1 Hydrocyclone SEPARATOR

Hydrocyclone, wanda kuma ake kira cyclone, na'ura ce mai rarrabawa wacce ke amfani da ƙarfin centrifugal don haɓaka ƙimar daidaitawar slurryparticles da ɓangarorin daban gwargwadon girman, siffar, da takamaiman nauyi. Ana amfani da shi sosai a cikin masana'antar ma'adinai, tare da babban amfani da shi wajen sarrafa ma'adinai a matsayin mai rarrabawa, wanda ya tabbatar da inganci sosai a girman rabuwa. Ana amfani da shi sosai a cikin ayyukan niƙa da ke rufe amma ya sami wasu amfani da yawa, kamar lalatawa, lalatawa, da kauri.

Halin hydrocyclone na yau da kullun (Hoto 8.12a) ya ƙunshi jirgin ruwa mai siffa, buɗewa a kolinsa, ko ƙarƙashin ruwa, wanda ya haɗa zuwa sashin siliki, wanda ke da mashigar ciyarwar tangential. An rufe saman sashin silindari tare da farantin karfe wanda ya ratsa bututu mai cike da axially. An shimfiɗa bututun zuwa cikin jikin guguwar ta wani ɗan gajeren sashe mai cirewa wanda aka sani da mai gano vortex, wanda ke hana gajeriyar kewayar abinci kai tsaye cikin ambaliya. Ana gabatar da ciyarwar a ƙarƙashin matsin lamba ta hanyar shigarwar tangential, wanda ke ba da motsi mai jujjuyawa zuwa ɓangaren litattafan almara. Wannan yana haifar da vortex a cikin guguwar, tare da yanki mai ƙananan matsa lamba tare da axis na tsaye, kamar yadda aka nuna a cikin Hoto 8.12b. Wani iska-core yana tasowa tare da axis, yawanci ana haɗa shi da yanayi ta hanyar buɗewa koli, amma a wani ɓangare an halicce shi ta hanyar narkar da iska da ke fitowa daga mafita a cikin yankin ƙananan matsa lamba. Ƙarfin centrifugal yana haɓaka ƙimar daidaitawar ɓangarorin, ta haka ne ke raba ɓangarorin gwargwadon girman, siffar, da takamaiman nauyi. Barbashi masu saurin daidaitawa suna matsawa zuwa bangon guguwar, inda saurin ya fi ƙanƙanta, kuma suna ƙaura zuwa buɗewar koli (ƙarƙasa). Saboda aikin ƙarfin ja, ɓangarorin daidaitawa a hankali suna motsawa zuwa yankin ƙananan matsa lamba tare da axis kuma ana ɗauka zuwa sama ta hanyar mai gano vortex zuwa ambaliya.

Hoto 8.12. Hydrocyclone (https://www.aeroprobe.com/applications/examples/australian-mining-industry-uses-aeroprobe-equipment-to-study-hydro-cyclone) da batir hydrocyclone. Cavex hydrocyclone overvew kasida, https://www.weirminerals.com/products_services/cavex.aspx.

Hydrocyclones kusan ana amfani da su a duk faɗin duniya a cikin da'irar niƙa saboda girman ƙarfinsu da ƙwarewar dangi. Hakanan za su iya rarrabuwa sama da ɗimbin nau'ikan girman barbashi (yawanci 5-500 μm), ana amfani da ƙananan raka'a diamita don rarrabuwa mafi kyau. Koyaya, aikace-aikacen cyclone a cikin da'irorin niƙa na magnetite na iya haifar da aiki mara inganci saboda bambancin yawa tsakanin magnetite da ma'adanai sharar gida (silica). Magnetite yana da ƙayyadaddun ƙima na kusan 5.15, yayin da silica yana da takamaiman ƙima na kusan 2.7. A cikihydrocyclones, ma'adanai masu yawa sun rabu a mafi girman yanke fiye da ma'adanai masu haske. Saboda haka, magnetite mai 'yanci yana mai da hankali a cikin guguwar da ke ƙarƙashin guguwar, tare da ƙetarewar magnetite. Napier-Munn et al. (2005) ya lura cewa dangantakar da ke tsakanin girman girman da aka gyara (d50c) da yawan ƙwayar ƙwayar cuta yana biye da bayanin nau'i mai zuwa dangane da yanayin kwarara da sauran dalilai:


d50c∝ρs-ρl-n

 

inaρs shine daskararrun yawa,ρl shine yawan ruwa, kumanyana tsakanin 0.5 da 1.0. Wannan yana nufin cewa tasirin ma'adinan ma'adinai akan ayyukan guguwar na iya zama mai mahimmanci. Misali, idand50c na magnetite shine 25 μm, sannan kumad50c na silica barbashi zai zama 40-65 μm. Hoto 8.13 ya nuna cyclone rarrabuwa dace masu lankwasa ga magnetite (Fe3O4) da silica (SiO2) samu daga binciken wani masana'antu ball niƙa magnetite nika kewaye. Girman rabuwa don silica ya fi girma, tare da ad50c don Fe3O4 na 29 μm, yayin da na SiO2 shine 68 μm. Saboda wannan sabon abu, da magnetite nika nika a rufaffiyar da'irori tare da hydrocyclones ne kasa m da kuma samun m iya aiki idan aka kwatanta da sauran tushe metalore nika da'irori.

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Hoto 8.13. Ingantaccen Cyclone don magnetite Fe3O4 da silica SiO2 — binciken masana'antu.

 

Fasahar Tsarin Matsi mai Girma: Tushen da Aikace-aikace

MJ Cocero PhD, a cikin Laburaren Chemistry na Masana'antu, 2001

Na'urori masu ƙarfi-rabuwa

Hydrocyclone

Wannan shine ɗayan mafi sauƙi nau'ikan masu rarraba daskararru. Na'urar rabuwa ce mai inganci kuma ana iya amfani da ita don cire daskararrun yadda ya kamata a yanayin zafi da matsa lamba. Yana da tattalin arziki saboda ba shi da sassa masu motsi kuma yana buƙatar kulawa kaɗan.

Ƙarfafawar rabuwa don daskararru shine aiki mai ƙarfi na girman-girma da zafin jiki. Babban ingancin rabuwa kusa da 80% ana iya samun su ga silica da yanayin zafi sama da 300°C, yayin da a cikin kewayon zafin jiki iri ɗaya, babban ƙarfin rarrabuwar ga ɓangarori na zircon denser sun fi 99% [29].

Babban nakasu na aikin hydrocyclone shine dabi'ar wasu gishiri don bin ganuwar guguwar.

Ketare ƙananan tacewa

Masu tace-gurbi suna nuna hali ta hanya mai kama da wanda aka saba gani a cikin tacewar giciye a ƙarƙashin yanayin yanayi: ƙara yawan juzu'i da raguwar ƙarancin ruwa a cikin ƙarin lambar tacewa. An yi amfani da giciye-microfiltration zuwa ga rabuwa da gishiri da aka haɗe a matsayin daskararru, yana ba da ingantaccen rarrabuwar ɓangarorin yawanci wuce 99.9%. Goemansda al.[30] yayi nazarin rabuwa da nitrate sodium daga ruwa mai zurfi. A ƙarƙashin yanayin binciken, sodium nitrate ya kasance a matsayin narkakkar gishiri kuma yana iya ƙetare tacewa. An sami tasirin rabuwa wanda ya bambanta da zafin jiki, tun lokacin da mai narkewa ya ragu yayin da zafin jiki ya karu, tsakanin 40% da 85%, don 400 °C da 470 ° C, bi da bi. Waɗannan ma'aikatan sun bayyana tsarin rabuwar ne sakamakon wani yanayi na musamman na ma'aunin tacewa zuwa ga mafificin bayani, sabanin narkakken gishirin, dangane da ɗankowarsu a sarari. Saboda haka, ba zai yiwu ba kawai a tace gishiri da aka haɗe kawai a matsayin daskararru ba amma har ma a tace waɗancan gishirin da ba su da ƙarfi waɗanda ke cikin narkakkar.

Matsalolin aiki sun samo asali ne saboda lalata-lalata da gishiri.

 

Takarda: Maimaituwa da Kayayyakin Maimaituwa

MR Doshi, JM Dyer, a Module Reference in Materials Science and Materials Engineering, 2016

3.3 Tsaftacewa

Masu tsaftacewa kohydrocyclonescire gurɓataccen abu daga ɓangaren litattafan almara dangane da bambanci mai yawa tsakanin gurɓataccen abu da ruwa. Waɗannan na'urori sun ƙunshi jirgin ruwan matsi ko silindrical-conical wanda ake ciyar da ɓangaren litattafan almara a cikin babban diamita (Hoto 6). Lokacin wucewa ta wurin mai tsabta ɓangaren litattafan almara yana haɓaka tsarin ƙwanƙwasa vortex, kama da na guguwa. Gudun gudu yana jujjuya axis na tsakiya yayin da yake wucewa daga mashigai kuma zuwa ga koli, ko buɗewar ƙasa, tare da cikin bangon mai tsabta. Juyawa saurin gudu yana ƙaruwa yayin da diamita na mazugi ya ragu. Kusa da ƙarshen koli ƙaramin buɗewar diamita yana hana fitar da mafi yawan kwarara wanda a maimakon haka yana juyawa a cikin vortex na ciki a tsakiyar mai tsabta. Gudun da ke gudana a tsakiya na ciki yana gudana daga buɗewar koli har sai ya fita ta hanyar mai binciken vortex, wanda yake a babban ƙarshen diamita a tsakiyar mai tsabta. Abu mafi girma, wanda aka mayar da hankali a bangon mai tsabta saboda ƙarfin centrifugal, an fitar da shi a koli na mazugi (Bliss, 1994, 1997).

Hoto 6. Sassan hydrocyclone, manyan hanyoyin kwarara da kuma yanayin rabuwa.

Ana rarraba masu tsaftacewa a matsayin babba, matsakaita, ko ƙananan yawa dangane da yawa da girman abubuwan da ake cirewa. Ana amfani da babban mai tsabta mai yawa, tare da diamita daga 15 zuwa 50 cm (6-20 in) don cire ƙarfe na tarko, shirye-shiryen takarda, da ma'auni kuma yawanci ana sanya shi nan da nan yana bin tulun. Yayin da diamita mafi tsafta yana raguwa, ingancinsa wajen cire ƙananan ƙananan gurɓata yana ƙaruwa. Don dalilai masu amfani da tattalin arziki, guguwar 75-mm (3 in) diamita ita ce mafi ƙarancin tsabta da ake amfani da ita a cikin masana'antar takarda.

An ƙera masu tsabtace juye-juye da masu tsabtace kwararar ruwa don cire ƙananan gurɓatattun abubuwa kamar kakin zuma, polystyrene, da sanduna. Ana kiran masu tsabtace baya saboda ana tattara rafi mai karɓuwa a mafi tsafta yayin da ya ƙi fita a lokacin da ya mamaye. A cikin mai tsabtace kwararar ruwa, yana karɓa kuma ya ƙi fita a daidai ƙarshen mai tsafta, tare da karɓa kusa da bango mai tsafta wanda aka raba da wanda aka ƙi ta tsakiyar bututu kusa da ainihin mai tsabtace, kamar yadda aka nuna a hoto 7.

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Hoto 7. Tsare-tsare na mai tsabtace kwarara.

Ci gaba da centrifuges da aka yi amfani da su a cikin 1920s da 1930s don cire yashi daga ɓangaren litattafan almara an dakatar da su bayan haɓakar hydrocyclones. Gyroclean, wanda aka haɓaka a Cibiyar Technique du Papier, Grenoble, Faransa, ya ƙunshi silinda wanda ke juyawa a 1200-1500 rpm (Bliss, 1997; Julien Saint Amand, 1998, 2002). Haɗin ɗan gajeren lokacin zama da babban ƙarfin centrifugal yana ba da damar ƙarancin ƙarancin ƙarancin ƙarancin isasshen lokaci don ƙaura zuwa ainihin mai tsabta inda aka ƙi su ta hanyar fitarwar vortex na tsakiya.

 

MT Thew, a cikin Encyclopedia of Separation Science, 2000

Takaitaccen bayani

Ko da yake m-ruwahydrocycloneAn kafa mafi yawan ƙarni na 20, ingantaccen aikin rabuwar ruwa-ruwa bai isa ba sai 1980s. Masana'antar mai a bakin teku suna buƙatar ƙaƙƙarfan ƙaƙƙarfan kayan aiki masu ƙarfi don cire gurɓataccen mai da ke cikin ruwa. Wannan buƙatar ta sami gamsuwa ta wani nau'in hydrocyclone mai mahimmanci daban-daban, wanda ba shakka ba shi da sassa masu motsi.

Bayan yin bayanin wannan buƙatar dalla-dalla da kwatanta shi da tsayayyen rabuwar cyclonic mai ƙarfi a cikin sarrafa ma'adinai, an ba da fa'idodin da hydrocyclone ya ba da nau'ikan kayan aikin da aka shigar a baya don cika aikin.

An jera ma'auni na aikin rarrabuwar kawuna kafin tattaunawa game da aiwatarwa dangane da tsarin tsarin ciyarwa, sarrafa ma'aikata da makamashin da ake buƙata, watau samfurin raguwar matsin lamba da saurin gudu.

Yanayin samar da man fetur yana kafa wasu maƙasudai ga kayan aiki kuma wannan ya haɗa da matsalar zaizayar ƙasa. An ambaci abubuwan da aka saba amfani da su. An zayyana bayanan farashi na dangi na nau'ikan masana'antar rarraba mai, duka manyan jari da na yau da kullun, kodayake tushen ba su da yawa. A ƙarshe, an bayyana wasu abubuwan da ke nuna ƙarin ci gaba, yayin da masana'antar mai ke kallon kayan aikin da aka sanya a kan gadon teku ko ma a ƙarƙashin rijiyar.

Samfura, Sarrafa, da Daidaita yawan jama'a

Barry A. Wills, James A. Finch FRSC, FCIM, P.Eng., a cikin Fasahar sarrafa Ma'adinai ta Wills (Bugu na takwas), 2016

3.7.1 Amfani da Girman Barbashi

Raka'a da yawa, kamarhydrocyclonesda kuma nauyi separators, samar da wani mataki na size rabuwa da barbashi size data za a iya amfani da taro daidaita (Misali 3.15).

Misali 3.15 misali ne na rage rashin daidaituwar kumburi; yana bayar da, misali, ƙimar farko don taƙaitawar mafi ƙarancin murabba'ai. Ana iya amfani da wannan tsarin zana a duk lokacin da akwai bayanan abubuwan "wuta"; Misali 3.9 ana iya amfani dashi.

Misali 3.15 yana amfani da guguwa azaman kumburi. Kumburi na biyu shine sump: wannan misali ne na abubuwan shigarwa guda 2 (sabon abinci da milldischarge) da fitarwa ɗaya (ciyarwar cyclone). Wannan yana ba da wani ma'aunin taro (Misali 3.16).

A Babi na 9 za mu koma ga wannan misalan da'ira ta yin amfani da ingantattun bayanai don tantance yanayin ɓangaren guguwar.


Lokacin aikawa: Mayu-07-2019
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