Yayin da kasar ke ba da muhimmanci ga kare muhalli, a matsayin wani nau'i na sharar gida, yadda ake amfani da karfen karfe ya zama wani muhimmin batu. Wannan labarin ya gabatar da cikakken bayani na fasaha don sake amfani da slag na karfe.Busashen fasaha na fasaha dole ne ya tabbatar da ingantaccen dawo da karafa a gefe guda da kuma amfani da sharar gida a daya bangaren. An kayyade matakan sarrafa slag na ƙarfe masu zuwa: Zaɓin murkushewa; Magnetic rabuwa da rawar da wani sabon kayan aiki guda-drive high-matsa lamba nadi niƙa a cikin m amfani da karfe slag; Yin amfani da sabbin kayan aiki na iya rage farashin murkushe shingen ƙarfe na ƙarfe, ta yadda zai haifar da ƙarin fa'idodi don amfani da shingen ƙarfe. Haɓakawa na yin amfani da cikakken amfani da shingen ƙarfe ya haifar da yiwuwar. Ƙaddamar da wannan cikakkiyar ra'ayi a cikin masana'antu yana buƙatar haɗin gwiwar kamfanonin masana'antun karafa, masana masu sarrafa ma'adinai da masana, aiwatar da aikace-aikacen gabaɗaya, da sassan tallace-tallace da haɓakawa.
Gina amfani da karfe slag
1) Ana amfani da slag ɗin ƙarfe don samar da siminti da abubuwan haɗin kai. Ƙarfe na ƙarfe yana ƙunshe da ma'adanai masu aiki irin su tricalcium silicate (C3S), dicalcium silicate (C2S) da baƙin ƙarfe aluminate tare da simintin siminti na hydraulic, wanda ya dace da halayen siminti. Saboda haka, ana iya amfani da shi azaman ɗanyen abu da siminti admixture don samar da simintin da ba na clinker ba, ƙasan simintin clinker. Karfe slag ciminti yana da kyawawan halaye irin su juriya na lalacewa, ƙarfin sassauƙa, juriya na lalata da juriya na sanyi.
2) Karfe slag ya maye gurbin dakakken dutse da lafiya tara. Karfe slag crushed dutse yana da abũbuwan amfãni daga high ƙarfi, m surface, mai kyau lalacewa juriya da karko, babban girma, mai kyau kwanciyar hankali, kuma m hade tare da kwalta. Idan aka kwatanta da talakawa crushed dutse, shi ne kuma resistant zuwa The halaye na low zafin jiki fatattaka, don haka ana iya amfani da ko'ina a hanya injiniya backfill. Karfe slag, a matsayin ballast jirgin kasa, yana da halaye na rashin tsoma baki tare da tsarin layin dogo aikin sadarwa da kuma mai kyau lantarki watsin. Domin karfen karfe yana da kyakyawan tsaftar ruwa da magudanar ruwa, abubuwan siminti da ke cikinsa na iya sanya shi taurare zuwa manyan guda. Karfe slag kuma ya dace da gina hanya a cikin fadama da rairayin bakin teku.
A halin yanzu, hanyar amfani da karfen karfen da aka fi amfani da shi a cikin gida shine murkushe karfen karfe zuwa -5mm don maye gurbin yashin kogi a matsayin kayan gini, ko kuma yin ball-dakakken dakakken karfen ya zama foda mai kyau don amfani da shi azaman kari na siminti. Shandong Huate Magnetoelectric Technology Co., Ltd. ya kuma gudanar da zurfafa bincike a kan m amfani da karfe slag, innovatively amfani da guda-drive high-matsa lamba nadi niƙa ga lafiya murkushe karfe slag, inganta karfe slag sarrafa fasahar. kuma sun sami fa'ida mai kyau na tattalin arziki. An yi nasarar yin amfani da shi a cikin Pangang Mining da kuma wani kamfani na slag na karfe a Lianyungang.
Tsarin samarwa na gargajiya na karfe slag shine kamar haka:
1) Ana murƙushe manyan ɓangarorin tare da muƙamuƙi mai muƙamuƙi zuwa -50, kuma an raba baƙin ƙarfe na maganadisu tare da injin maganadisu.
2) Sanya girman rabuwa na karfe zuwa +45 mm. Sauran 0-45 mm yawanci ana amfani da su azaman ginin hanya da kayan cikawa. Don haɓaka ƙimar aikace-aikacen sa, ana iya raba slag karfe zuwa 0-4, 4-8 da sauran maki daban-daban. Fasahar tana buƙatar ƙarancin jari da ƙarancin farashin aiki. Duk da haka, fiye da 50% na abun ciki na karfe a cikin slag yana mayar da hankali a cikin -10 mm karfi, don haka wannan fasaha zai haifar da yawancin asarar ƙarfe, amma abun ciki mai nauyi zai karu.
Saboda haka, rigar lafiya nika da aka yadu amfani musamman ga slag samar a yi na high-alloy karfe dauke da high-grade Cr, Ni, Mo, da dai sauransu Hannun matakai sun hada da crushing da biyu-mataki lafiya nika (sanda niƙa / ball niƙa). ). Tun da karfe tare da ductility ba shi da sauƙi don niƙa, ana iya samun rabuwa da karfe da karfe ta hanyar sieving ko rarrabawa. Mafi kyawun ɓangaren ma'adinai na slag yawanci sama da 95% kuma ƙasa da 0.2mm. Yawan dawo da karfe na wannan tsari ya wuce 95%, kuma yawan adadin ƙarfe da aka samar shine 90 zuwa 92%. Daga hangen nesa na rabuwa da karfe da slag, wannan tsari za a iya cewa shi ne mafi kyawun tsari.
Babban hasara na wannan tsari shi ne cewa shingen karfe da aka raba shi ne slurry mai kyau. Domin tsari ne mai rigar tsari, yana da wuya a yi amfani da shi a ginin ginin. Sabili da haka, yawancin kayan ƙera ƙarfe da suka rage bayan zaɓin ƙarfe an yi watsi da su, kuma wannan yana faruwa sau da yawa saboda tsadar bushewar rigar da ƙuntatawa ta doka a duniya. Duk wani aikace-aikacen ƙima mafi girma yana buƙatar wasu hanyoyin da za a bi da rigar sludge (bushewa, kauri, da sauransu).
Yawancin lokaci dole ne a yi zaɓi tsakanin ƙimar dawo da ƙarfe ko samuwar ragowar slag. Yawancin lokaci, wannan zaɓi ya dogara da ƙimar ƙarfe da aka dawo da shi.
Hanyoyin gama gari a wannan mataki sune kamar haka:
Ana murƙushe manyan ɓangarorin tare da muƙamuƙi mai muƙamuƙi zuwa -50, kuma an raba baƙin ƙarfe na maganadisu tare da ɗigon maganadisu.
-50 karfe slag aka crusher da guduma crusher ko mazugi crusher, tasiri crusher, sieved ta Multi-Layer sieve, -20-10 grit samfurin za a iya amfani da matsayin tsakuwa, -10-1 grit samfurin za a iya amfani da a matsayin lafiya yashi.
Tebur I
Analysis na barbashi girman 50mm ciyar a cikin guduma crusher
-10 hatsi karfe slag aka niƙa a cikin busasshen ball niƙa zuwa -200 raga lafiya foda, sa'an nan electromagnetic bushe foda Magnetic SEPARATOR ana amfani da cire baƙin ƙarfe a matsayin siminti ƙari.
Lokacin aikawa: Afrilu-12-2021