Nika Kaolin Foda

Gabatarwa ga kaolin

Kaolin ba wai kawai ma'adinan yumbu ne da aka saba amfani da shi a yanayi ba, har ma yana da matukar muhimmanci ga ma'adinan da ba na ƙarfe ba. Ana kuma kiransa dolomite saboda fari ne. Tsarkakken kaolin fari ne, mai kyau kuma mai laushi, yana da kyakkyawan filastik, juriya ga wuta, dakatarwa, shawa da sauran halaye na zahiri. Duniya tana da wadataccen albarkatun kaolin, tare da jimillar adadin kusan tan biliyan 20.9, waɗanda aka rarraba su sosai. China, Amurka, Burtaniya, Brazil, Indiya, Bulgaria, Ostiraliya, Rasha da sauran ƙasashe suna da albarkatun kaolin masu inganci. Albarkatun ma'adinan Kaolin na China suna cikin sahun gaba a duniya, tare da wuraren samar da ma'adinai 267 da aka tabbatar da inganci da tan biliyan 2.91 na ajiyar da aka tabbatar.

Amfani da kaolin

Ana iya raba ma'adinan kaolin na halitta zuwa kaolin na kwal, kaolin mai laushi da kaolin mai yashi rukuni uku bisa ga ingancin abun ciki, filastik, da takarda mai yashi. Ana buƙatar fannoni daban-daban na aikace-aikace don buƙatun inganci daban-daban, kamar su murfin takarda galibi suna buƙatar haske mai yawa, ƙarancin ɗanko da yawan ƙwayar cuta mai kyau; masana'antar yumbu tana buƙatar kyakkyawan filastik, tsari da fari mai wuta; Buƙatar juriya don babban juriya; masana'antar enamel tana buƙatar kyakkyawan dakatarwa, da sauransu. Duk wannan yana ƙayyade ƙayyadaddun kaolin na samfur, bambancin samfuran. Saboda haka, yanayin albarkatu daban-daban, galibi yana ƙayyade alkiblar albarkatun da ake da su don ci gaban masana'antu.

Gabaɗaya dai, kaolin na kwal (kaolin mai tauri), ya fi dacewa da haɓakawa kamar kaolin mai ƙamshi, wanda galibi ana amfani da shi wajen cikawa a fannoni daban-daban na aikace-aikace. Saboda yawan farin kaolin da aka yi da calcine, ana iya amfani da shi wajen yin takarda, musamman don samar da takarda mai rufi mai inganci, amma gabaɗaya ba a amfani da shi shi kaɗai saboda ƙasar kaolin da aka yi da calcine galibi ana amfani da ita don ƙara farin, kuma yawan da ake amfani da ita bai kai ƙasa da aka wanke ba wajen yin takarda. Kaolin mai ɗauke da kwal (laka mai laushi da yumɓu mai yashi), wanda galibi ana amfani da shi a cikin rufin takarda da masana'antar yumbu.

Tsarin niƙa Kaolin

Binciken sassan kayan kaolin

SiO2	Al22O3	H2O
Kashi 46.54%	Kashi 39.5%	13.96%

Shirin zaɓin samfurin injin yin foda na Kaolin

Ƙayyadewa (raga)	Foda mai laushi 325rag	Tsarin sarrafa foda mai kyau (raga 600-2000)
Shirin zaɓar kayan aiki	Injin niƙa a tsaye ko injin niƙa na Raymond

* Lura: zaɓi babban injin bisa ga buƙatun fitarwa da ƙa'idodi masu kyau

Bincike kan samfuran injin niƙa niƙa

1. Raymond Mill: Raymond Mill yana da ƙarancin kuɗin saka hannun jari, yana da ƙarfin aiki mai yawa, yana da ƙarancin amfani da makamashi, kayan aiki suna da kwanciyar hankali, ƙarancin hayaniya; injin niƙa ne mai inganci wanda ke adana makamashi don foda mai laushi a ƙarƙashin 600mesh.

2. Injin niƙa mai tsayi: kayan aiki masu girma, masu ƙarfi, don biyan buƙatun samar da kayayyaki masu yawa. Injin niƙa mai tsayi yana da kwanciyar hankali mafi girma. Rashin amfani: kayan aiki suna da tsadar saka hannun jari mai yawa.

Mataki na I: Murkushe kayan aiki

Ana niƙa babban kayan kaolin ta hanyar narkakken na'urar niƙa har zuwa mafi kyawun abinci (15mm-50mm) wanda zai iya shiga injin niƙa.

Mataki na II: Nika

Ana aika ƙananan kayan kaolin da aka niƙa zuwa wurin ajiya ta hanyar lif, sannan a aika su zuwa ɗakin niƙa na injin niƙa daidai gwargwado ta hanyar mai ciyarwa don niƙa.

Mataki na III: Rarrabawa

Ana tantance kayan da aka niƙa ta hanyar tsarin tantancewa, kuma mai rarrabawa zai tantance foda mara cancantar sannan ya mayar da shi babban injin don sake niƙawa.

Mataki na V: Tattara kayayyakin da aka gama

Foda da ta dace da ƙanƙantar ta na ratsa bututun mai tare da iskar gas ɗin kuma tana shiga cikin mai tattara ƙura don rabawa da tattarawa. Ana aika foda da aka tattara zuwa wurin da aka gama samfurin ta hanyar na'urar jigilar kaya ta tashar fitarwa, sannan a sanya ta cikin tankin foda ko mai shiryawa ta atomatik.

Misalan aikace-aikace na sarrafa foda na kaolin

Kayan sarrafawa: pyrophyllite, kaolin

Inganci: raga 200 D97

Fitarwa: 6-8t / awa

Tsarin kayan aiki: Saiti 1 na HC1700

Niƙa niƙa na HCM zaɓi ne mai kyau na yin aiki tare da irin wannan kamfani tare da cikakken tsarin garantin bayan siyarwa. Niƙa niƙa na Hongcheng kaolin sabon kayan aiki ne don haɓaka niƙa na gargajiya. Fitar sa ta fi ta Raymond ta gargajiya da kashi 30% - 40% girma, wanda hakan ke inganta ingantaccen samarwa da fitarwa na niƙa naúrar. Kayayyakin da aka gama da aka samar suna da gasa mai kyau a kasuwa kuma suna da farin jini sosai a kamfaninmu.