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Menene buƙatun index na calcined kaolin da ake amfani da su don samar da samfuran sutura?

Guilin Hongkaolin niƙa a tsaye

Guilin Hongcheng niƙa kayan aiki masana'antunta samu labarin cewa an fi amfani da kayayyakin niƙa na kaolin ɗin a cikin masana'antar shafa, wanda ake amfani da shi azaman filler a cikin fenti, a gefe guda kuma yana taka rawa na cika jiki, a gefe guda kuma yana da ƙarfin rufe bushes.Don haka, menene buƙatun ƙididdiga na samfuran niƙa na kaolin na calcined?

Fihirisar samfuran calcined kaolin don sutura galibi sun haɗa da fari, girman barbashi, ƙarfin rufewa, watsawa, ragowar ragar raga 325, ƙimar sha mai, ƙarar jigo, ƙimar pH, juriya na yanayi da sauransu:

1.Farin digiri

fari shine farkon index na calcined kaolin, mafi girma mafi kyau.Hakanan ana yin fenti mai launi tare da farar fenti kamar fenti na tushe da uwar launi. fari ya kamata ya zama aƙalla fiye da 90%, wasu masana'antun ma suna buƙatar fiye da 93%.Tsayayyar matakin fari yana da matukar mahimmanci, idan canjin ya yi girma sosai don rinjayar aikin gani na sutura, yana haifar da bambancin launi na batches daban-daban na samfuran ƙarƙashin wannan dabara.

2.Granularity

Barbashi size ne ainihin wani index of wakilci, shafi masana'antun da wuya kai tsaye gane da barbashi size.Duk da haka, saboda sauran alamun kaolin calcined suna da alaƙa kai tsaye da girman barbashi, idan girman barbashi bai isa ba, ko kuma bai cancanta ba, za a nuna shi ta wasu alamomi.Ga mai ƙirƙira kaolin, ma'aunin dubawa na samfurin da aka gama ya kamata ya zama-2 μm a kusan 80%.Tabbas, aikin samfuran da aka samar ta nau'ikan albarkatun ƙasa daban-daban zai bambanta, kuma idan sauran alamomin sun cancanta, ana iya rage girman buƙatun ƙwayoyin.

Girman barbashi ya fi shafar lalacewa da ɗanyen tama da zafin jiki na calcination.The lalacewa ikon ne m da ingancin raw tama, wanda yafi rinjayar barbashi size na albarkatun kasa mataki, da calcination zafin jiki yafi rinjayar barbashi girman da foda bayan kiln.Domin shafi calcination kaolin, matsakaici zafin jiki calcination (1000 ~ 1200 ℃), da mafi kyau duka calcination zafin jiki da aka zaba a cikin amorphous lokaci kawai canza zuwa silicon aluminum kashin baya lokaci, wanda samar da porous fadada tsarin, sakamakon pore ci gaban, da abrasion darajar daga cikin amorphous lokaci. samfurin yana da ƙananan ƙananan.

3.Rufe karfi

Rufe iko shine mafi mahimmancin fihirisar kaolin calcined.A finer foda, da ƙarin dubawa kafa a cikin shafi, da karfi da refraction da tunani na haske, musamman a lokacin da barbashi size ne daidai da wavelength na bayyane haske, yana da karfi watsawa sakamako, zai iya samar da mafi girma rufe karfi. lokacin da ƙasa da wannan ƙimar, ƙarfin rufewa zai zama ƙarami saboda rarrabuwar haske.

Don kaolin mai kyau sosai, ko za'a iya tarwatsa shi sosai a cikin sutura kuma muhimmin abu ne da ke shafar ikon rufewarsa.Kodayake calcination yana inganta ikon rufewa na kaolin a cikin rufin ruwa, ba shi da mahimmanci.A wasu lokuta, yana da sauƙi don sintering kuma ya samar da ƙananan ƙwayoyin cuta, amma yana sa ƙarfin rufewa ya ragu, kuma ba za a iya amfani da shi ba don shafewa kwata-kwata. ga farin pigments.1050 ℃ da superfine foda.

4. Watsewa

Masana'antar suturar cikin gida ta ce tarwatsewa, kuma manufar iri ɗaya ce.Ko da yake calcined kaolin ya sha ultrafine foda, tare da matsakaita girman barbashi na 1 μ m ko ƙasa da haka, a cikin fenti, a cikin babban dankowar iyayen giya, barbashi ba su rabu ba amma an haɗa su tare.Ikon calcined kaolin don watsawa a cikin tsarin sutura ana kiransa watsawa.Watsewar kaolin calcined yana da kyau.Idan niƙa sa gana karshe bukatun, shi za a iya tarwatsa a cikin shafi tsarin.

Watsewar kaolin calcined yana da alaƙa da sakamako na ƙarshe na niƙa.Idan 45 μ m ko mafi girma barbashi suna kunshe a cikin superfine aiki tsari, shi ba za a tarwatsa a cikin shafi tsarin.Abin da ake buƙata don wannan fihirisar bai wuce 45 μm ba, kuma ƙarami, mafi kyau.Idan watsawar titanium dioxide zai iya kaiwa 25 μm, daidai da darajar niƙa ya kamata a zaba a matsayin 4 ko fiye.

5.325 ragowar ragar raga

325 raga sieve saura wani muhimmin index, da ake bukata na shafi zuwa wannan index ne <0.02%, da kuma karami mafi. sarrafa ultrafine.Wani abin da ke da tasiri shine ƙazanta, gauraye da ƙazanta suna da tasirin da ya fi dacewa akan abun ciki na nuni na raga 325.

6.Kimanin sha mai

Matsakaicin adadin man mai na kaolin calcined shine 50g / 100g ~ 60g / 100g matsakaici ne, adadin man mai ya yi yawa, danko da aka yi da wannan dabara yana da girma, don rage danko, dole ne adadin tushen fenti. ƙara farashin;ƙimar shayar mai ya yi ƙasa da ƙasa, murfin da aka yi yana da sauƙin daidaitawa, kuma aikin buɗewa ba shi da kyau.The man sha darajar kaolin ne barbashi size rarraba, porosity, takamaiman surface area, da hatsi irin barbashi.The barbashi size ne kananan, da takamaiman surface yankin ne ya fi girma, da kuma man sha darajar ne

7.Settlement volume

Matsakaicin adadin man mai na kaolin calcined shine 50g / 100g ~ 60g / 100g matsakaici ne, adadin man mai ya yi yawa, danko da aka yi da wannan dabara yana da girma, don rage danko, dole ne adadin tushen fenti. ƙara farashin;ƙimar shayar mai ya yi ƙasa da ƙasa, murfin da aka yi yana da sauƙin daidaitawa, kuma aikin buɗewa ba shi da kyau.The man sha darajar kaolin ne barbashi size rarraba, porosity, takamaiman surface area, da hatsi irin barbashi.The barbashi size ne kananan, da takamaiman surface yankin ne ya fi girma, da kuma man sha darajar ne mafi girma.

8.pH darajar

Ƙimar pH tana nuna acid da alkalinity na kaolin calcined, kuma ƙimar pH ya kamata ya kasance tsakanin 6 da 8, kusa da tsaka tsaki.PH na kaolin calcined kanta ba shi da tsaka tsaki, don haka ba a buƙatar gyaran PH a cikin masana'antar sutura.

9.Tsarin yanayi

Bayan an yi launin launi da fenti da daub, fim ɗin fenti ta hanyar rana da ruwan sama, zai zama rawaya, rasa haske da foda.Ikon pigments don tsayayya da waɗannan canje-canje ana kiransa juriya na yanayi.Calcined kaolin ba shi da aikin sinadarai mai ƙarfi akan haske, don haka yana da kyakkyawan juriya na yanayi.

10.Sauran alamomi

ther index requirements for calcined kaolin, acid and alkali resistance, mixing performance, wet performance, density, etc., these are the common characteristics of all calcined kaolin, some are not digital indicators. It is worth paying attention to that, no matter which index of kaolin, the stability of the index is the most important, if the fluctuation is too big, it will bring bad influence to the paint users, affect the overall performance of the paint. As the production equipment of calcined kaolin mill products, it has an important influence on the whiteness, particle size and 325 mesh residue of calcinined kaolin mill products. Guilin Hongcheng grinding equipment can be ground kaolin to 80-2500 mesh for the production of coating, grinding equipment with high output, low energy consumption, consulting equipment price can contact the email:mkt@hcmilling.com


Lokacin aikawa: Maris-06-2024