Cooperative innovation, the pursuit of excellence

Ku Ogaysii Habka Sifaynta Kaolin ee Marinkan!

Kaolin waa macdan dhoobo ah oo caan ka ah adduunka dabiiciga ah.Waa macdanta faa'iido u leh midabka cad, sidaas darteed, caddaanku waa tilmaame muhiim ah oo saameeya qiimaha kaolin.Kaolin waxaa ku jira birta, maadada organic, walxo madow iyo wasakh kale.Nijaastan waxay ka dhigi doontaa kaolin soo muuqda midabyo kala duwan, saameynaya caddaanka.Markaa kaolin waa inuu ka saaraa wasakhda.

Hababka sifaynta caadiga ah ee kaolin waxaa ka mid ah kala soocida cuf-isjiidadka, kala-soocidda magnetic, sabbeynta, daaweynta kiimikada, iwm. Kuwa soo socda ayaa ah hababka sifaynta caadiga ah ee kaolin

1. Kala saarida cuf-jiidadka
Habka kala-soocidda cuf-jiidadka inta badan waxay isticmaashaa farqiga cufnaanta u dhexeeya macdanta gangue iyo kaolin si ay meesha uga saarto wasakhda cufnaanta sare leh ee walxaha organic iftiinka, quartz, feldspar iyo walxaha ay ku jiraan birta, titanium iyo manganese, si loo yareeyo saamaynta wasakhdu ku leedahay caddaanka.Cufnaanta centrifugal ayaa inta badan loo adeegsadaa si meesha looga saaro wasakhda cufnaanta sare.Kooxda hydrocyclone ayaa sidoo kale loo isticmaali karaa in lagu dhameeyo dhaqidda iyo baarista kaolin ee habka kala-soocidda, taas oo aan lagu gaari karin ujeedada dhaqidda iyo darajada, laakiin sidoo kale waxay ka saartaa qaar ka mid ah wasakhda, taas oo leh qiimo codsi oo wanaagsan.
Si kastaba ha ahaatee, way adag tahay in la helo badeecado kaolin ah oo u qalma habka kala-soocidda, iyo alaabooyinka ugu dambeeya ee u qalma waa in lagu helaa kala-soocidda magnetic, sabbeynta, calcination iyo habab kale.

2. Magnetic kala goyn
Ku dhawaad ​​dhammaan macdanta kaolin waxa ku jira qadar yar oo bir ah, guud ahaan 0.5-3%, gaar ahaan magnetite, ilmenite, siderite, pyrite iyo wasakh kale oo midabaynta.Kala-soocidda magnetic inta badan waxay isticmaashaa faraqa birlabeedka ee u dhexeeya macdanta gangue iyo kaolin si ay meesha uga saarto wasakhyada midabka leh.
Magnetite, ilmenite iyo macdano kale oo bir ah oo xoog leh ama feylasha birta ee isku dhafan ee habka farsamaynta, iyadoo la adeegsanayo habka kala-soocidda magnetic si loo kala saaro kaolin ayaa waxtar badan leh.Macdanta magnetic daciifka ah, waxaa jira laba hab oo waaweyn: mid waa in la dubay, ka dhigo inay noqoto macdan bir ah oo bir ah oo xooggan, ka dibna waxay qaadaysaa kala-soocidda magnetic;Hab kale ayaa ah in la isticmaalo habka kala soocida magnetic field gradient sare ee kala soocida magnetic.Sababtoo ah kala-soocidda magnetic uma baahna isticmaalka walxaha kiimikaad, deegaanku ma keeni doono wasakh, sidaas darteed habka dheef-shiid kiimikaadka aan-macdanaha ahayn ayaa si ballaaran loo isticmaalaa.Habka kala-soocidda magnetic ayaa si wax ku ool ah u xalliyey dhibaatada ka faa'iidaysiga iyo ka faa'iidaysiga kaolin-ka hooseeya ee aan ahayn qiimaha macdanta ganacsiga sababtoo ah maadada sare ee birta.

Si kastaba ha ahaatee, way adag tahay in la helo alaabada kaolin ee heerka sare ah iyada oo loo marayo kala soocida magnetka oo keliya, iyo daaweynta kiimikada iyo hababka kale ayaa loo baahan yahay si loo sii yareeyo nuxurka birta ee alaabta kaolin.

3. Sabbayn
Habka sabbeynta inta badan waxay isticmaashaa kala duwanaanshaha jirka iyo kiimikaad ee u dhexeeya macdanta gangue iyo kaolin si loogu daweeyo macdanta kaolin-ka ceeriin oo leh wasakh badan iyo caddaan hoose, oo ay ka saarto wasakhda ay ku jirto birta, titanium iyo kaarboon, si loo xaqiijiyo isticmaalka guud ee heerka hoose khayraadka kaolin.
Kaolin waa macdanta caadiga ah ee dhoobada.Wasakhyada sida birta iyo titanium inta badan waxay ku dhex jiraan qaybo kaolin ah, sidaas darteed macdanta ceeriin waa in la dejiyaa ilaa heer go'an oo ganaax ah.Kaolinite sida caadiga ah loo isticmaalo habka sabbeynta ee habka sabbeynta walxaha aadka u fiican, habka sabbeynta lakabka dareeraha ah iyo habka sabbeynta qulqulka, iwm.

Sabuulku wuxuu si wax ku ool ah u kordhin karaa cadaanka kaolinka, halka dhibtu ay tahay inay u baahan tahay reagen kiimikaad iyo kharash badan, si fududna u keeni kara wasakh.

4. Daaweynta kiimikaad
Leaching kiimikaad: wasakhda qaar ee kaolin waxaa si xushmad leh u milmi kara sulfuric acid, hydrochloric acid, nitric acid iyo walaxyada kale ee wasakhda ah si meesha looga saaro wasakhda.Habkan waxaa loo isticmaali karaa in laga saaro hematite, limonite iyo siderite kaolin fasalka hoose.

Kiimikada bleaching: wasakhda ku jirta kaolinka waxa lagu shubi karaa walxo milmi leh iyada oo loo marayo bleaching, kuwaas oo la dhaqi karo lagana saari karo si loo hagaajiyo cadaanka kaolinka.Si kastaba ha ahaatee, biliijka kiimikadu waa mid qaali ah waxaana badanaa lagu isticmaalaa kaolin-ka, taas oo u baahan nadiifin dheeraad ah ka dib marka la nadiifiyo.

Nadiifinta duban: farqiga u dhexeeya ka kooban kiimikaad iyo falcelinta u dhaxaysa wasakhda iyo kaolin waxa loo isticmaali karaa dubay magnetization, dubay heerkul sare ama chlorination dubay si meesha looga saaro wasakh sida birta, carbon iyo sulfide ee kaolin.Habkani waxa uu wanaajin karaa fal-celinta kiimikada ee alaabta calcined, waxa uu si weyn u wanaajin karaa cadaanka kaolinka, iyo in la helo badeecooyin kaolin heer sare ah.Laakiin faa'iido darrada nadiifinta dubantu waa in isticmaalka tamarta uu weyn yahay, oo ay fududahay in uu keeno wasakhowga deegaanka.

Iyada oo la adeegsanayo hal tignoolajiyada kaliya way adagtahay in la helo kaolin heer sare ah.Sidaa darteed, wax soo saarka dhabta ah, waxaan kugula talineynaa inaad doorato soo saaraha qalabka farsamaynta macdanta.Samaynta tijaabada farsamaynta macdanta iyo adeegsiga tignoolajiyada farsamaynta badan si loo kordhiyo tayada Kaolin.


Waqtiga boostada: Abriil-06-2020