Brown Corundum Micropowder Tsare-tsaren Kera Fadawa da Kula da Inganci
Shiga cikin kowace masana'antar sarrafa kayan masarufi, kuma iskar tana cike da ƙamshin ƙurar ƙurar ƙarfe, tare da yunƙurin injin niƙa. Hannun ma'aikata ana shafa su da baƙar maiko, amma foda mai kyalli a gabansu.launin ruwan kasa corundum micropowder- shine "hakora" da "kaifi mai kaifi" na masana'antar zamani. Wannan abu mai wuya, wanda aka fi sani da "corundum" ta masana'antun masana'antu, yana jujjuya canji daga ma'adinai zuwa foda mai kyau, gwaji na duka zafin jiki da daidaito.
1. harshen wuta-digiri dubu: Tsarin Kera na Brown Corundum Micropowder
Brown corundum micropowderfara a matsayin marasssuming lumps na bauxite. Kada ku raina waɗannan dunƙulen ƙasa; Dole ne su kasance manyan ma'adinai masu daraja da abun ciki na Al₂O₃ na akalla 85% don samun cancantar yin narke. Lokacin da tanderun da ke murƙushewa ya buɗe, abin kallo ne mai ban sha'awa na gaske-zazzabi a cikin tanderun wutar lantarki yana ƙaruwa, ya kai sama da 2250 ° C. Bauxite, haɗe da filings na baƙin ƙarfe da coke, tumbles da narkewa a cikin matsanancin harshen wuta, tsarkakewa da kuma kawar da ƙazanta, a ƙarshe yana samar da shingen corundum mai launin ruwan kasa. Zaɓin nau'in tanderun kuma yana riƙe da kansa: murhun murɗawa yana ba da kyakkyawan ruwa da tsabta mai kyau, dacewa da samfuran lafiya; wani ƙayyadadden tanderun yana ba da fitarwa mai yawa da ƙananan farashi. Masu kera sukan zaɓi bisa ga buƙata.
Brown corundumtubalan sabo daga cikin tanderun har yanzu suna da “rauni,” nesa da zama foda mai kyau. Bayan haka, mai murƙushewa yana ɗaukar nauyin: abin nadi mai haƙori mai haƙori biyu don murkushe ƙazanta, yana wargaza mafi yawan, yayin da mai murƙushewa na tsaye yana yin murƙushewa mai kyau, yana karya ɓangarorin zuwa guntu masu girman millimita. Amma wannan ba duka ba ne - rabuwar maganadisu da cire ƙarfe suna da mahimmanci don inganci. Lokacin da aka kunna shi, babban mai raba maganadisu na iya cire duk wasu bayanan ƙarfe gaba ɗaya daga cikin kayan. Matsakaicin ƙarfin maganadisu da kamfanoni kamar Henan Ruishi ke amfani da shi na iya rage Fe₂O₃ zuwa ƙasa da 0.15%, yana kafa harsashin girki na gaba.
Tankin pickling kuma yana riƙe da sirri. Ana amfani da maganin hydrochloric acid na 15%-25% na awanni 2-4. Haɗe da na'urar tsaftacewa ta Zhenyu niƙa ta ɓatanci, ana girgiza foda da wankewa, tana narkar da datti kamar silicon da alli, yana ƙara haɓaka tsabtar foda mai kyau. Matakin dubawa na ƙarshe yana kama da “daftarin aiki”: Fuskar bangon waya suna ba da ci gaba da nunawa, suna ware ɓangarorin ɓarke daga ƙanƙara zuwa lafiya. Na'urar tantancewa ta Chongqing Saite Corundum har ma tana haɗa nau'ikan fuska uku tare da allon rabin sashe, yana tabbatar da rarraba girman barbashi daidai kamar ana auna shi da mai mulki. The sieved lafiya foda sa'an nan aka labeled kamar yadda ake bukata-200 #-0 da 325#-0 ne na kowa bayani dalla-dalla. Kowane barbashi yana da uniform kamar yashi, nasara ta gaskiya.
2. Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙaƙa ) ya yi
Ina ake amfani da micropowder corundum launin ruwan kasa? Daga gilashin wayar hannu mai gogewa zuwa murhun wutan ƙarfen niƙa, ko da ƙaramar lalacewa na iya haifar da fushin abokin ciniki. Saboda haka, kula da inganci shine tushen tashin hankali a cikin masana'anta. Da farko, la'akari da abun ciki na sinadaran-Al₂O₃ abun ciki dole ne ya zama ≥95% (samfuran masu girma suna buƙatar ≥97%), TiO₂ ≤3.5%, da SiO₂ da Fe₂O₃ dole ne a kiyaye su a cikin 1% da 0.2% bi da bi. Masu fasahar dakin gwaje-gwaje suna lura da na'urar duba kullun; ko da ɗan ƙaramin canji a cikin bayanan na iya haifar da sake yin aikin gabaɗaya.
Gwajin kayan jiki daidai yake da tsauri:
Taurin Mohs dole ne ya kai 9.0. Ana zazzage samfurin akan farantin nuni; duk wani alamar taushi ana ɗaukar gazawa.
Ƙaunar gaskiya tana iyakance zuwa 3.85-3.9 g/cm³. Saɓani suna nuna matsala tare da tsarin crystal.
Gwajin jujjuyawar ya ma fi buƙatu—fatsa da foda bayan an jefa su cikin tanderun 1900°C na awanni biyu? An kwashe duka rukunin!
Daidaiton girman barbashi yana da mahimmanci don goge sakamakon. Ingancin inspector yana baza cokali na foda a ƙarƙashin na'urar tantance girman barbashi na Laser. Duk wani sabani a cikin ƙimar D50 da ya wuce 1% ana ɗaukar gazawa. Bayan haka, m barbashi size zai haifar da scratches ko faci a kan goge karfe surface, haifar da gunaguni daga abokan ciniki.
Ma'auni na ƙasa GB/T 2478-2022, wanda aka sabunta a cikin 2022, ya zama ƙarfe na masana'antu. Wannan takarda mai kauri mai kauri yana sarrafa komai daga sinadarai da tsarin crystal zuwa marufi da adanawalaunin ruwan kasa corundum. Misali, yana buƙatar α-Al₂O₃ dole ne ya nuna daidaitaccen nau'in crystal trigonal. Tabo daban-daban crystallization a karkashin wani microscope? Yi haƙuri, samfurin za a tsare! Masu ƙera a yanzu har ma sun yi rajistar yanayin zafin jiki da matakan zafi-don tsoron cewa micropowders za su sami damshi kuma su dunkule tare, suna lalata sunansu.
3. Mayar da Sharar gida Taska: Fasahar Sake amfani da ita tana karya matsalar albarkatun
Masana’antar corundum ta dade tana fama da tarin abubuwan goge-goge da kuma nika, wanda ba wai kawai ya dauki sarari ba har ma yana gurbata muhalli. Koyaya, a cikin shekaru biyu da suka gabata, fasahar “corundum da aka sake amfani da ita” ta bullo, wanda ke ba da kayan sharar rayuwa sabon hayar rayuwa. Wani sabon lamban kira a Yingkou, Lardin Liaoning, ya ɗauki matakin sake yin amfani da shi: na farko, ana ba da kayayyakin corundum sharar gida “wanka” don kawar da gurɓataccen abu, sannan a bi da murkushewa da rabuwar maganadisu, sannan a ƙarshe, zazzagewa mai zurfi tare da hydrochloric acid. Wannan tsari yana ƙara ƙazanta ƙazanta da kashi 40 cikin ɗari, yana kawo aikin kayan da aka sake fa'ida kusa da na budurwa micropowder.
Hakanan aikace-aikacen kayan da aka sake fa'ida yana haɓakawa. Kamfanonin da ke jujjuyawa suna son amfani da shi don yumbu mai yumɓu-dole ne a haɗa shi cikin siminti ko ta yaya, kuma kayan da aka sake fa'ida suna ba da ingantaccen farashi mai ban mamaki. Har ma mafi kyau, tsarin sake yin amfani da shi yana raguwalaunin ruwan kasa corundumfarashin ta 15% -20%, yana sa shugabanni farin ciki da ban mamaki. Duk da haka, tsofaffin ma’aikatan masana’antu sun yi gargaɗi: “Madaidaicin goge goge yana buƙatar kayan budurci na aji na farko. Idan ko da ɗan ƙazanta ya gauraya zuwa kayan da aka sake fa’ida, fuskar da aka yi wa madubi nan take za ta zama alama!”
4. Kammalawa: Micropowder, Ƙananan kamar yadda yake, yana ɗaukar nauyin masana'antu
Daga harshen wuta na tanderun baka na lantarki zuwa huɗar masu raba maganadisu, daga ɓarkewar tankuna zuwa layukan duba nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan laser-haihuwar micropowder mai launin ruwan kasa wani ƙaramin almara ne na masana'antar zamani. Sabbin haƙƙin mallaka, sabbin ƙa'idodi na ƙasa, da fasahar sake fa'ida suna ci gaba da haɓaka rufin masana'antar. Bukatar masana'antu na ƙasa don daidaitaccen jiyya na saman ƙasa yana ci gaba da fitar da ingancin micropowder har abada. A kan layin taron, an rufe buhunan foda mai launin ruwan kasa kuma ana loda su a kan manyan motoci, wadanda za a kai su masana'antu a fadin kasar. Wataƙila ba a rera su ba, amma suna ƙarfafa ainihin ƙarfin Made in China, ƙarƙashin saman fuskar sa.