Mvetsetsani mozama njira yopangira ufa wa brown corundum
Kuyimirira mamita atatu kuchokera ku ng'anjo yamagetsi yamagetsi, kutentha kwa kutentha komwe kumakulungidwa ndi fungo lazitsulo zopsereza kumakugundani pamaso - bauxite slurry pa madigiri oposa 2200 mu ng'anjo ikugudubuza ndi thovu lofiira lagolide. Mbuye wakale Lao Li anapukuta thukuta lake ndipo anati: "Tawona, ngati zinthuzo ndi fosholo imodzi yochepa malasha, kutentha kwa ng'anjo kumatsika ndi madigiri 30, ndipobrown corundum zomwe zimatuluka zimakhala zolimba ngati mabisiketi." Mphika uwu wa "chitsulo chosungunula" chowira ndi chiyambi cha kubadwa kwa ufa wa corundum wa bulauni.
1. Kusungunula: Ntchito yolimba yochotsa “yade” pamoto
Mawu oti "owopsa" amalembedwa m'mafupa a brown corundum, ndipo mawonekedwe awa amayeretsedwa mu ng'anjo yamagetsi yamagetsi:
Zosakaniza zili ngati mankhwala: bauxite base (Al₂O₃>85%), anthracite kuchepetsa wothandizira, ndi zitsulo zopangira zitsulo ziyenera kuwazidwa ngati "matchmaker" - popanda izo kuti zithandize kusungunuka, zonyansa silicates sangathe kutsukidwa. Mabuku ofananirako a mafakitale akale m'chigawo cha Henan onse atopa: "Makala ambiri amatanthawuza kuchuluka kwa kaboni ndi wakuda, pomwe chitsulo chochepa kwambiri chimatanthawuza matope ndi matope"
Chinsinsi cha ng'anjo yopendekeka: Thupi la ng'anjoyo limapendekeka pamakona a digirii 15 kuti zisungunuke zisungunuke mwachilengedwe, wosanjikiza wapansi wa aluminiyamu yoyera amawala kukhala bulauni corundum, ndipo wosanjikiza wapamwamba wa ferrosilicon slag amachotsedwa. Mbuye wakaleyo anagwiritsira ntchito chotola chachitali kuti agwedeze doko la zitsanzo, ndipo madontho osungunuka osungunukawo anazizidwa ndipo gawo la mtanda linali loderapo: "Mtundu uwu ndi wolondola! Kuwala kwa buluu kumasonyeza kuti titaniyamu ndi yokwera kwambiri, ndipo kuwala kotuwa kumatanthauza kuti silikoniyo sanachotsedwe kwathunthu "
Kuzizira kofulumira kumatsimikizira zotsatira zake: kusungunuka kumatsanuliridwa mu dzenje lakuya ndikutsanuliridwa ndi madzi ozizira kuti "kuphulika" mu zidutswa, ndipo nthunzi yamadzi imapanga phokoso la popcorn ngati phokoso. Kuzizira kofulumira kumatsekera zolakwika, ndipo kulimba kwake ndi 30% kuposa kuzizira kwachilengedwe - monga kuzimitsa lupanga, fungulo ndi "mwachangu"
2. Kuphwanya ndi kupanga: luso lopanga "anyamata olimba"
Kulimba kwa chipika cha brown corundum chotuluka mu uvuni ndi pafupi ndi chadiamondi. Zimatengera vuto lalikulu kuti likhale "msilikali wosankhika" wamlingo wa micron:
Kutsegula movutikira kwa chophwanyira nsagwada
Mbale ya nsagwada ya hydraulic "crunches" ndi chipika cha kukula kwa basketball chimasweka kukhala walnuts. Woyendetsa galimoto Xiao Zhang analoza pa sikirini n’kudandaula kuti: “Nthaŵi yapitayo njerwa yoboola anasakanizana, ndipo nsagwada inathyola mpata.
Kusintha kwamasewera a mpira
Chigayo cha mpira chimakhala ndi phokoso la granite, ndipo mipira yachitsulo imagunda midadada ngati ovina achiwawa. Pambuyo pa maola 24 akugaya mosalekeza, ufa woderapo woderapo unatuluka padoko lotayira. "Pali chinyengo apa," katswiriyo adagogoda pa gulu lowongolera: "Ngati liwiro lipitilira 35 rpm, tinthu tating'onoting'ono timapukutidwa kukhala singano; ngati sichepera 28 rpm, m'mphepete mwake mumakhala akuthwa kwambiri."
Opaleshoni ya Plastiki ya Barmac
Mzere wapamwamba kwambiri umawonetsa lipenga lake - Barmac vertical shaft impact crusher. Zinthuzo zimaphwanyidwa ndi kudzigunda pansi pa galimoto yothamanga kwambiri, ndipo ufa wochepa wopangidwa ndi wozungulira ngati miyala ya mitsinje. Fakitale yopanga magudumu m'chigawo cha Zhejiang yoyezedwa: pamatchulidwe omwewo a ufa wawung'ono, njira yachikhalidwe imakhala ndi kachulukidwe kochulukirapo ka 1.75g/cm³, pomwe njira ya Barmac ili ndi kachulukidwe kochuluka kwa 1.92g/cm³! Ba Li anapotoza chitsanzocho n’kuusa moyo kuti: “M’mbuyomu, fakitale yoperayo inkadandaula nthawi zonse chifukwa cha kusayenda bwino kwa ufa, koma tsopano ikudandaula kuti liŵiro la kudzaza liri lofulumira kwambiri.”
3. Kuyika ndi kuyeretsa: kusaka kolondola m'dziko la microns
Kugawa tinthu tating'ono 1/10 mwa makulidwe a tsitsi m'makalasi osiyanasiyana ndi nkhondo ya moyo wa ndondomekoyi:
Chinsinsi cha gulu la kayendedwe ka mpweya
0.7MPa wothinikizidwa mpweya rushes mu gulu gulu ndi ufa, ndi impeller liwiro limatsimikizira "chikuonetseratu mzere": 8000 rpm zowonetsera kunja W40 (40μm), ndi 12000 rpm intercepts W10 (10μm). "Ndimawopa kwambiri chinyezi chambiri", wotsogolera msonkhanowo adaloza nsanja yochotsa chinyezi: "Mwezi watha, kondomuyo idawukhira fulorini, ndi tinthu tating'ono ta ufa ndikutchinga payipi. Zinatenga masinthidwe atatu kuyeretsa."
Mpeni wofatsa wa hydraulic classification
Kwa ufa wa ultrafine pansi pa W5, kutuluka kwa madzi kumakhala njira yogawa. Madzi oyera omwe ali mumtsuko amakweza ufa wabwino kwambiri pamtunda wa 0.5m / s, ndipo tinthu tambirimbiri timakhazikika poyamba. Wogwira ntchitoyo akuyang'ana pa mita ya turbidity: "Ngati kuthamanga ndi 0.1m / s mofulumira, theka la ufa wa W3 udzathawa; ngati ndi 0.1m / s pang'onopang'ono, W10 idzasakanikirana ndikuyambitsa mavuto."
Nkhondo yachinsinsi ya kupatukana kwa maginito ndi kuchotsa chitsulo
Wodzigudubuza wamphamvu wa maginito amachotsa zitsulo zachitsulo ndi mphamvu yoyamwa ya 12,000 gauss, koma ilibe mphamvu yolimbana ndi mawanga a iron oxide. Chinyengo cha fakitale ya Shandong ndi: zilowerereni ndi oxalic acid musanasankhe, sinthani Fe₂O₃ yovuta kukhala ferrous oxalate yosungunuka, ndipo chitsulo chodetsedwa chimatsika kuchokera pa 0,8% mpaka 0.15%.
4.Pickling ndi calcining: "kubadwanso" kwa abrasives
Ngati mukufunabrown corundum micropowderkuti mupirire mayeso mu gudumu lopukutira kwambiri, muyenera kudutsa mayeso awiri amoyo ndi imfa:
Acid-base dialectics a pickling
Mivuvu mu thanki ya hydrochloric acid imathamanga kuti isungunuke zonyansa zachitsulo, ndipo kuwongolera ndende kuli ngati kuyenda pazingwe zomangira: zosakwana 15% sizingatsuke dzimbiri, ndipo zoposa 22% zimawononga thupi la aluminiyamu. Lao Li adanyamula pepala loyesera la PH kuti apereke chidziwitso: "Mukapanda kusokoneza ndi kutsuka kwa alkaline, muyenera kutsina PH = 7.5 molondola. Acid imayambitsa ma kristalo, ndipo zamchere zimapangitsa kuti pamwamba pa tinthu tizikhala ufa."
The kutentha chithunzi cha calcination
Pambuyo pa calcination pa 1450 ℃/6 maola mu ng'anjo yozungulira, zonyansa za ilmenite zimawola kukhala rutile gawo, ndipo kukana kwa kutentha kwa micropowder kumakwera ndi 300 ℃. Komabe, chifukwa cha kukalamba kwa thermocouple ya fakitale inayake, kutentha kwenikweni kunadutsa 1550 ℃, ndipo ma ufa onse ang'onoang'ono omwe anatuluka mu ng'anjo adalowetsedwa mu "mikate ya sesame" - matani 30 a zipangizo adachotsedwa mwachindunji, ndipo wotsogolera fakitale adakhumudwa kwambiri moti adaponda mapazi ake.
Kutsiliza: Industrial aesthetics pakati pa millimeters
Muchikozyano chamazuba aali mbwaabede, mashini akali kubangula. Lao Li anachotsa fumbi pa zovala zake za ntchito ndipo anati: "Nditagwira ntchito mu makampaniwa kwa zaka 30, potsiriza ndikumvetsa kuti ma ufa abwino ang'onoang'ono ndi '70% kuyenga ndi 30% moyo' - zosakaniza ndizo maziko, kuphwanya kumadalira kumvetsetsa, ndipo kuwerengera kumadalira kusamala." Kuchokera ku bauxite kupita ku nano-scale micro powders, kupita patsogolo kwaukadaulo nthawi zonse kumazungulira malo atatu: chiyero (kuchotsa zinyalala), morphology (Barmac shape), ndi kukula kwa tinthu (kuyika bwino).