H&G's Chrome Moly SAG Mill Liners Ikuyenda Bwino Kwambiri mu MZS5518 SAG Mill ku Taksimo, Russia

H&G yapereka matani 42 a mphero a Chrome Moly SAG kwa makasitomala athu amigodi ya golide omwe ali ku Tasimoko ku Russia, tsopano makasitomala ayika bwino ma liner a SAG mil ndikuyendetsa mphero ya SAG moyenera. M'mbuyomo kasitomala akugwiritsa ntchito zitsulo zopangira zitsulo za manganese Mn13Cr2, koma nthawi yovala imakhala yochepa kwambiri, makina athu opangira mphero a Chrome Moly SAG adzakhala ndi moyo wautali 30% kuposa zitsulo za manganese zitsulo. Tsopano mphero ya MZS5518 SAG ikuyenda bwino kwambiri malinga ndi mayankho ochokera kwa kasitomala wathu. 

SAG Mill Liner yathu imagwiritsidwa ntchito kwambiri pogaya mafakitale amigodi, mafakitale a simenti, malo opangira magetsi otentha, kupanga mapepala ndi makampani opanga mankhwala etc.

Mphero za Semi-autogenous kapena SAG mphero, monga momwe zimatchulidwira nthawi zambiri, zimatha kukwaniritsa ntchito yochepetsera kukula ngati magawo awiri kapena atatu akuphwanya ndikuwunika. Nthawi zambiri amagwiritsidwa ntchito pogaya m'mafakitale amakono opangira mchere, mphero za SAG zimachepetsa zinthuzo mpaka kukula komaliza kapena kukonzekera magawo otsatirawa.

Mtengo wotsika wamoyo

Kusiyanasiyana kwa makulidwe a mphero ndi ntchito zosunthika zimalola kuti mphero ya SAG ikwaniritsidwe ndi mizere yocheperako kuposa makonzedwe wamba. Izi, nazonso, zimathandizira kutsika kwandalama ndi ndalama zokonzetsera gawo la mphero la SAG. 

Ntchito zosiyanasiyana

SAG mphero imadziwonjezera kuzinthu zambiri chifukwa cha kukula kwa mphero komwe kulipo. Akhoza kukwaniritsa ntchito yochepetsera kukula mofanana ndi magawo awiri kapena atatu a kuphwanya ndi kuyesa, mphero ndi zina kapena ntchito zonse zomwe zimachitika ndi mphero.

Ma mphero a SAG nawonso ndi njira yabwino yothetsera kugaya konyowa chifukwa kuphwanya ndikuwunika pazochitika izi kumatha kukhala kovuta, kapena kosatheka. 

Kuchita bwino pogwiritsa ntchito basi

Akatswiri opanga ma Metso adzakuthandizani kupanga njira yoyendetsera bwino yoyendetsedwa ndi mapulogalamu, kuyambira pakupanga dera mpaka poyambira komanso kukhathamiritsa, kuti muwonetsetse kuti mupeza zotsatira zomwe mukufuna.

Kupyolera mu ntchito basi n'zotheka kupulumutsa mphamvu, akupera TV, ndi liniya kuvala, pamene kuwonjezera mphamvu.

Ndi kuchepa kwazitsulo zapamwamba zachitsulo ndi zinthu zina ku China, zipangizo zambiri zotsika kwambiri zimayamba kulowa mu ndondomeko ya beneficiation, zomwe zimachepetsa kugaya bwino kwa mphero ya mpira, ndipo liner ndi gawo lofunika kwambiri la mowa. mphero. Malinga ndi ziwerengero, kutayika kwa mphero ku China ndi pafupifupi 0.2kg / t, pamene mayiko otukuka akumadzulo (monga Canada, United States, ndi zina zotero) ndi 0.05kg / t. Zitha kuwoneka kuti pali malo ambiri oti apititse patsogolo makina opangira migodi ku China.

Valani mfundo za mphero

Pamene mphero ikugwira ntchito, chakudya cha nyama, sing'anga yopera, ndi madzi zimalowa mu silinda kudzera pa chipangizo chodyera, ndipo injini yaikulu imayendetsa silinda kuti izungulira. Zinthuzo zimakhudzidwa ndi sing'anga yopera (mpira wachitsulo) mkati mwa silinda, ndipo kugaya pakati pa sing'anga yopera ndi sing'anga yopera ndipo mbale yachitsulo imamaliza ntchito yopera. Pochita izi, mzere wa mphero ya mpira umagwirizana mwachindunji ndi zinthu ndi sing'anga yopera, ndipo mawonekedwe apakati ndi akuthupi akupera ndi zotsatira pazitsulo, chomwe ndicho chifukwa chachikulu cha kuvala kwa liner.

Zitsulo zopangira migodi

1. Zida zopangira migodi ya chromium yapamwamba kwambiri.  Chitsulo chachikulu cha chromium chimapangidwa powonjezera pang'ono Cu, Ti, V, B, ndi zinthu zina pamaziko a C, Cr, Si, Mn, Mo, ndi zinthu zina zachitsulo choyambirira. Kuuma kwake ndi HRC ≥ 56, yomwe ili ndi kukana kwabwino kovala ndipo imagwiritsidwa ntchito kwambiri. Vuto lake lalikulu ndikuti ndi losavuta kupunduka pakatentha kwambiri likagwiritsidwa ntchito ngati mphero ya mpira. Kuonjezera apo, kukhalapo kwa ma carbides ambiri m'zinthu kumapangitsa kuti zikhale zosavuta kusweka pansi pa mphamvu ya zinthu ndi zapakati. M'zaka zaposachedwa, kafukufuku wambiri ndi zoyeserera zachitika pa chitsulo chachikulu cha chromium m'dziko lathu. Kuonjezera kuchuluka koyenera kwa W, B, Ti, V, re, ndi zina zotero, kungachepetse kugwiritsa ntchito Mo, Cu, Ni, ndi zina zotero, zomwe zingathe kupititsa patsogolo chitsulo chosungunuka cha chromium ndikuchepetsa mtengo wopangira. M'zaka zaposachedwa, vanadium titanium high chromium cast iron yokhala ndi zinthu zosapezeka zapadziko lapansi V ndi Ti yakhala ikugwiritsidwa ntchito m'malo mwa Mo, Cu, ndi zida zina zodula zomwe zimakhala ndi zinthu zochepa zapadziko lapansi V ndi Ti. Kuuma kwa zinthuzo ndi HRC = 62.6, ndipo kulimba kwake kwasintha kwambiri. Zinthu zakuthupi ndizokwera kwambiri kuposa zachitsulo chachitsulo cha chromium chapamwamba.
2. Aloyi kuponyedwa zitsulo mndandanda migodi  liners mphero. M'zaka zaposachedwa, mphero zosagwirizana ndi kuvala zidayamba kuvomerezedwa ndi zolowa kunja, ndipo zimagwiritsidwa ntchito kwambiri m'zigayo zazing'ono ndi zazing'ono komanso mphero ziwiri zokhala ndi mphamvu yofooka. Zina mwa izo, zitsulo zolimba kwambiri zolimbana ndi kutentha ndi kuvala, zitsulo zosagwira ntchito za bainite, chitsulo chapamwamba cha boron, chromium-molybdenum chitsulo, sing'anga chromium alloy kuvala zitsulo zotayidwa, etc. High kuvala kukana high chromium cast. Chitsulo chimapangidwa ndi chitsulo chokwera kwambiri cha chromium pochepetsa zomwe zili mu C, Mo, Ni, Mn, Cu, ndikuwonjezera zinthu zochepa zapadziko lapansi. Njira yothetsera kutentha kwa "kuzimitsa + kutentha" kwathandizira kwambiri kulimba kwake ndi kuvala kukana.Nsalu yapamwamba ya bainitic cast cast imapangidwa ndi Mn, Cr, Si monga zida zazikulu za alloy, zochepa za Mo, Ni, Ti. , ndi zina zotero. Zimapangidwa ndi normalizing ndi kutentha njira yochizira kutentha. Kulimba kwake ndi HRC = 49 ndipo kulimba kwake ndikodabwitsa. Kukana kwake kuvala kumakhala pafupifupi nthawi za 2 zazitsulo zachitsulo za carbon cast iron, zomwe zili zoyenera kupanga mphero. Ti, V ndi re, etc. ndipo amapangidwa ndi "kuzimitsa ndi kutentha" njira yochiritsira kutentha. Kuuma kwake kwa HRC = 58, kumagwiritsidwa ntchito makamaka m'dera lopangira mphero ndi mphamvu yaying'ono, ndipo kukana kwake kumakhala pafupifupi kawiri chitsulo cha manganese, ndipo chimakhala ndi makhalidwe odalirika komanso otsika mtengo. Chromium-molybdenum cast iron ndi yopangidwa ndi kuzimitsa mafuta ndi njira yochepetsera kutentha. Chifukwa cha kuuma kwake kwakukulu (HRC = 56), kulimba kwambiri, kulimba bwino, kukana kuvala bwino, kupindika bwino komanso kukana kukanika, komanso moyo wautali wautumiki (katatu kuposa chitsulo wamba wa manganese), wakhala akudziwika kwambiri. ku China ndipo adayamba kupanga ndi kupanga.

Zingwe za migodi ya mphira

1. Zopangira mphira. Mpira wopangira mphero unazindikirika kunja kwa zaka za m'ma 1950. Amagwiritsidwa ntchito makamaka m'mphero zapakatikati ndi zazing'ono. Tsopano wakhala chimagwiritsidwa ntchito mitundu yosiyanasiyana ya mphero mpira, ndi kutentha ntchito yake zambiri zosakwana kapena wofanana 70 ℃. Poyerekeza ndi zitsulo zopangira mphero, makina opangira mphira ali ndi ubwino wotsatirawu: 1) kukana kuvala, kukana dzimbiri, moyo wautali wautumiki, ndi ubwino wina; 2) kulemera kwake kwa mphero ya mphira ndi 1/7 yokha ya voliyumu yofanana ndi zitsulo zopangira zitsulo, zomwe zingachepetse kwambiri kuwonongeka kwa makina ndi magetsi a mphero ndi kuchepetsa mphamvu ya ntchito yoyika ndi kukonza. 3) kuchepetsa phokoso logwira ntchito la mphero ya mpira. Komabe, kuchuluka kwa mphira zopangira mphira zomwe zimagwiritsidwa ntchito mu mphero za mpira zidzachepetsa mphamvu yogwiritsira ntchito nthawi imodzi ndikuwonjezera mphamvu yamagetsi. Chifukwa chake, mphira zopangira mphira zimagwiritsidwa ntchito makamaka kumapeto kwa mphero za mpira.
2. Zingwe zopangira mphira zachitsulo. Chingwe chophatikizika cha mphira-zitsulo chimapangidwa ndi chitsulo cha alloy ndi mphira popanga mtanda. Zinthu za aloyi zimagwiritsidwa ntchito polumikizana mwachindunji ndi zida ndi sing'anga yopera, ndipo chitsulo chotsika mtengo chimagwiritsidwa ntchito pagawo lokhazikika la liner ndi silinda, ndipo mphira umagwiritsidwa ntchito pakati pa onse awiri, omwe amatha kuchepetsa kulemera kwa akalowa. mbale ndi kuchepetsa kugwedera. Mtundu woterewu wa mbale zopangira mphero sikuti umangotsimikizira kugwira ntchito bwino kwa mphero komanso kumachepetsa kulemera kwa mphero, kumachepetsa kugwiritsa ntchito mphamvu pagawo lililonse, komanso kumapangitsa moyo wautumiki wa makina opangira mphero.

Magnetic mining mill liner

1. Mfundo yogwira ntchito ya maginito liner. Chipinda cha maginito chimapangidwa ndi maginito ndipo chimayikidwa pakhoma lamkati la mphero ya mpira. Mu ntchito, maginito akalowa mbale adsorbs ena makulidwe a zinthu pamwamba pake ngati wosanjikiza zoteteza, amene akhoza kuchepetsa kwambiri akupera zotsatira za TV ndi zipangizo pa akalowa mbale, ndi kusintha moyo utumiki wa akalowa mbale. zatsimikizira kuti moyo wautumiki wa mbale yamagetsi yamaginito ndiutali kuwirikiza 4-8 kuposa wamba wamba wachitsulo. Liner ya mphira ya maginito imagwiritsidwa ntchito kwambiri kumayiko akunja, koma zitsulo zamaginito zimagwiritsidwa ntchito kwambiri ku China chifukwa cha kuchepa kwa mtengo.
2. Kugwiritsa ntchito maginito liner mu mgodi wa maginito. Kuthekera kwa maginito am'nyumba zazikulu zachitsulo ndi 6300-12000m3 / kg, zomwe ndizosavuta kupanga wosanjikiza wa adsorption pansi pakuchita kwa maginito, zomwe zimathandizira kutchuka komanso kugwiritsa ntchito maginito. Pakalipano, maginito opangira maginito akhala akugwiritsidwa ntchito kwambiri pazitsulo zachiwiri za Shougang, Angang, ndi Baotou Steel.

Zotsatira

Malingana ndi mitundu yosiyanasiyana ya migodi ndi chiwerengero cha magawo opera, kusankha mphero yoyenera kungapangitse kuti ntchito ikhale yabwino, kuchepetsa kugwiritsa ntchito mphamvu pamtundu uliwonse ndikuwonjezera moyo wautumiki wa liner. Mu gawo la mphero ya mpira ndi mphamvu yaikulu ya zipangizo ndi ma abrasives, chingwe chopangidwa ndi chitsulo chapamwamba cha manganese chokhala ndi mphamvu yotsutsa chingagwiritsidwe ntchito pa silinda, ndi mphira kapena mphira alloy composite linener ingagwiritsidwe ntchito kumapeto kwa chivundikiro; chingwe cha maginito chingagwiritsidwe ntchito pa mphero yaikulu ya magawo awiri mumigodi ya maginito; mbale yachitsulo yosagwira ntchito ndi chivundikiro chomaliza chingagwiritsidwe ntchito pa gawo loyamba la mphero zapakati ndi zazing'onoting'onoting'onoting'ono ta mphira; zitsulo zopangira zitsulo zapamwamba za chromium kapena zopangira mphira zitha kugwiritsidwa ntchito pagawo lachiwiri.

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