°Õ²¹°ì²¹¾±³Ù²¹·É²¹£ºWannan labarin yana bayar da kwatantawa mai zurfi tsakanin HPGR da SAG mills, tare da mayar da hankali kan ingancin makamashi, halayen aiki, yawan aiki, kula da shi, da tasirinsu akan sassaucin ma'adanai.
Kankarewa muhimmin mataki ne a cikin sarrafa ma'adanai. Yana da tasiri sosai ga inganci da tattalin arzikin ayyuka masu zuwa kamar fitar da mai, fitar da ruwan zafi, da rarrabewar nauyi. Hanyar kankarewa ita ce mafi girman mai amfani da makamashi a cikin gidan sarrafa ma'adanai, yawanci tana wakiltar fiye da 50% na jimlar amfani da makamashi a wurin.
A al'ada,Masanin Grinding Semi-Autogenous (SAG)sun zama ginshi?in manyan ka'idojin aikin ni?a a cikin aikin hakar ma'adanai a duniya baki ?aya. Duk da haka, tare da ?aruwa a bu?atar fasahohin sarrafa inganci mai amfani da makamashi da dorewa,High Pressure Grinding Rolls (HPGR)suka bayyana a matsayin wata madadin mai yiwuwa ko fasaha ta ha?in gwiwa.
Wannan makala tana ba da cikakken kwatance tsakanin HPGR da SAG mills, tare da mai da hankali kan ingancin makamashi, halayen aiki, yawan aiki, kulawa, da tasirin su kan 'yantar da ma'adanai. Fahimtar wa?annan bambance-bambancen yana da mahimmanci ga injiniyoyin hakar ma'adanai da masu gudanar da shuka wa?anda ke nufin inganta ka'idojin ni?a, rage farashin aikin, da kuma rage tasirin muhalli.
Mill ?in Murjan Semi-Autogenous (SAG)
SAG mills suna babbar kwarya mai jujjuyawa da aka cika rabin tare da ma'adanai da kuma karamin kashi na karfen grinding media (kwallaye). Ma'adanin kansa yana aiki azaman grinding media, saboda haka aka yi amfani da kalmar "semi-autogenous." Tsarin grinding yana dauke da tasiri, gogewa, da kuma gajiya yayin da mil din ke jujjuyawa, tana jujjuya ma'adanai da kwallaye don rage girman kwayoyin.
SAG mills suna amfani da su sosai a cikin tushen grinding saboda iyawarsu na daukar manyan tarin kaya da kuma karban nau'o'in ma'adanai daban-daban. Ana biyowa su da milolin kwallaye don matakai na grinding mafi laushi.
High Pressure Grinding Rolls (HPGR)
HPGR technology na dauke da tumbin juyawa biyu da ke matse gash?ar ma'adanin a ?ar?ashin babban matsin lamba. Wannan matsin lamba mai ?arfi yana haifar da ?ananan fashe-fashe da matsewar tsakanin ?wayoyin, wanda ke haifar da rage girma. Tumbin an tsara su don aiki a ?ananan matsi mai girma fiye da na al'ada masu karya ma'adanin.
HPGR an yarda da shi don ingancin amfani da enerji a cikin nika da ikon inganta hanyoyin da suka biyo baya ta hanyar samar da rarrabewar girman ?waya mai ma'ana da ha?aka fitar da ma'adanai.
Kwatancen Ingancin Makamashi
Amfanin makamashi yana ?aya daga cikin manyan farashin aikin a cikin sarrafawa ma'adinai. Gwanin na iya ri?e har zuwa kashi 50% na amfani da makamashi na dukkanin ?ar?ashin. Saboda haka, za?en fasahar da ta fi inganci wajen amfani da makamashi yana da matu?ar mahimmanci don dorewar tattalin arziki da muhalli.
Amfani da Makamashi a cikin SAG Mills
SAG mills suna cin ?arfin lantarki mai yawa saboda motsin jujjuyawar babban tarin ma'adanin da aka ?ir?ira da kuma kayan aikin gwanin. Ana isar da makamashi ta hanyar tasiri da ?arfi na ?arnatarwa, amma kashi mai yawa yana ?onewa a matsayin zafi, hayaniya, da girgiza. Bugu da ?ari, SAG mills yawanci suna samar da fa'idodin girman ?wayoyin da ke da yawa tare da babban adadin ?ananan ?wayoyin, wanda zai iya haifar da ?arin gwanin da kuma ?arnar makamashi.
Matsakaicin amfani da kuzari don SAG mills yana bambanta gwargwadon wahalar ore, girman abinci, da kwaskwarimar mill amma gaba?aya yana tsakanin 15 zuwa 25 kWh ga ton na ore da aka sarrafa.
Amfani da Kuzari a HPGR
Fasahar HPGR tana amfani da ?arfin matsawa wanda yake haifar da ?ananan karaya a cikin ?wayoyin, yana bu?atar ?arin ?arancin kuzari don cimma rage girman da ake so. Bincike sun nuna cewa HPGR na iya rage amfani da kuzari tsakanin 20% zuwa 40% idan aka kwatanta da SAG mills don juyawa da girman samfurin da suka yi daidai.
Ingancin kuzari na HPGR yana tasowa daga tsarin ?ayyadaddun karya da rage yawan ?arya. Matsawa tsakanin ?wayoyin yana haifar da rarraba girman ?wayoyin da ta fi ?an?anta, yana rage yawan ?ananan ?wayoyin da ke haifar da ?arin kuzari a cikin hanyoyin da aka yi daga baya.
Rarraba Girman Sassa da 'Yanci
Rarraba girman sassa (PSD) da matakin 'yancin ma'adinai suna shafar ingancin aiwatar da tsari bayanan rabuwa kai tsaye.
PSD a cikin Masu Gyarawa na SAG
Masu gyarawa na SAG sun fi yawan samar da wani fadi na PSD, wanda ya ha?a da wani kaso mai yawa na ?ananan sassa da manyan sassa. Kasancewar ?arin ?ananan sassa na iya rikitar da ruwan jiki da zubawa ta hanyar ?ara amfani da sinadaran da rage za?i. Hakanan yin girki fiye da kima yana haifar da ?arin ku?in makamashi da yiwuwar matsalolin tafiya.
PSD a HPGR
HPGR yana samar da PSD mai daidaito tare da ?ananan ?ananan ?wayoyin. Matsi mai ?arfi yana haifar da ha?arin micro, wanda ke inganta fitowar ma'adanai ba tare da samar da ?ananan ?wayoyi masu yawa ba. Wannan ingantaccen fitowar na iya haifar da ?arin yawan dawo a cikin fitowar ruwa da sauran hanyoyin amfanin ma'adanai.
Gudun aiki da Iko
Ikon Mills na SAG
Mills na SAG suna da ikon sarrafa babban matakin aiki, sau da yawa suna wuce ton 20,000 a kowace rana a cikin manyan ayyuka. Juriya da ikon su na sarrafa nau'ikan ma'adinai da dama suna mai da su zabi da aka fi so don zaren ?asa na farko.
Duk da haka, SAG mills suna bu?atar babban jarin hannun jari kuma suna da tsadar aiki mai yawa saboda amfani da makamashi da kulawa.
HPGR Iko
HPGR na iya kuma gudanar da manyan ?imar wucewa kuma ana ?ara ha?a su cikin manyan tsarin ?ir?irar kankare. Ana yawan amfani da su tare da ball mills don inganta ingancin ?ir?ira.
Tsarin gajeren HPGR da kuma bu?atar makamashi mai ?asa suna sa su zama masu jawo hankali ga sababbin shigarwa da fa?a?a tashoshi.
La'akari da Aiki da Kulawa
Matsakaitan SAG
SAG mills suna da yawa sassan motsi, ciki har da liners da kuma grinding media, wanda ke bukatar duba akai-akai da canji. Tsarin kula na iya daukar lokaci mai yawa da farashi mai tsada, yana bukatar dakatar da mill.
Haka kuma, SAG mills suna haifar da muryar jiki da tsawa sosai, wanda ke bukatar goyon bayani mai karfi da kuma sarrafawa na muhalli.
HPGR
HPGRs suna da sassa masu motsi ka?an, musanman juyawa da tsarukan tuki da suka danganci. Yayin da juyawa ke fuskantar gajiya, musamman lokacin da ake sarrafa kayan aikin abrasive, tsawon lokutan kula yana yawan zama mai tsawo, kuma lokacin dakatarwa yana raguwa.
HPGR aiki yana bukatar kulawa da girman abinci sosai da kuma rarraba abinci mai kyau don guje wa saurin wear mara daidaito da inganta aikace-aikace.
Tasirin Muhalli
Ingancin makamashi na HPGR yana fassara zuwa ?ananan fitar da gass na greenhouse da kuma raguwa a cikin alamar carbon idan aka kwatanta da SAG mills. Bugu da ?ari, raguwa a cikin samar da fines yana rage matsalolin kula da kura da slurry.
Hakanan, karamin filin HPGR yana rage amfani da ?asa da kuma tsangwama na muhalli da suka ha?a.
Yadda za a Za?i Mashi ?in Nika mai Dacewa?
Dukkanin HPGR da SAG mills suna da fa'idodi da iyakoki na musamman. SAG mills suna ci gaba da kasancewa fasahar da aka tabbatar wacce ke da ikon sarrafa nau'o'i da dama na ma'adanai da bukatun samar da yawa. Duk da haka, yawan amfani da makamashi da bukatun kula da su suna haifar da kalubale a mahangar karin farashin makamashi da burin dorewa.
HPGR yana bayar da madadin mai jan hankali tare da ingantaccen amfani da kuzari, kyakkyawan rarraba girman ?waya, da kuma ingantaccen 'yancin ma'adinai. Sau?in aiki da ?arancin bu?atun kulawa suna ?ara jawo hankalin sa.
A cikin zamani na sarrafa ma'adanai, hanyar ha?in gwiwa yawanci tana bayar da mafi kyawun sakamako¡ªtare da ha?a HPGR don rage girman farko tare da millin ?wallon ko SAG don matakai na ?arin ?ura. Wannan ha?in gwiwar yana inganta amfani da makamashi, yawan aiki, da kuma dawo da, yana daidaita tare da manufofin tattalin arziki da na muhalli.
Tattaunawa
Samun Magani