• Calcined-Alumina001
  • Calcined Alumina004
  • Calcined Alumina001
  • Calcined Alumina003
  • Calcined Alumina002

Calcined Alumina Ultrafine For High-Performance Refractories, za a iya amfani da castables tare da silica fume da reactive alumina powders, don rage ruwa Bugu da kari, porosity da kuma ƙara ƙarfi, girma kwanciyar hankali.

  • Alumina mai amsawa
  • Fused Alumina
  • alumina ceramics

Takaitaccen Bayani

Calcined Alumina Ultrafine Don Na'urorin Refractories Mai Girma

Calcined alumina powders ana yin su ta hanyar lissafin masana'antu alumina ko aluminum hydroxide a yanayin zafi mai kyau don canzawa zuwa barga crystallinea-alumina, sannan a niƙa zuwa ƙananan foda.Ana iya amfani da ƙananan foda da aka yi amfani da su a cikin ƙofar zamewa, nozzles, da tubalin alumina.Bugu da ƙari, ana iya amfani da su a cikin castables tare da silica fume da reactive alumina foda, don rage yawan ruwa, porosity da kuma ƙara ƙarfin, kwanciyar hankali.


Jiki da sinadarai Properties

Ceramic grade- Calcined Alumina

Kayayyakin Kayayyaki

Haɗin sinadarai (ƙaƙƙarfan juzu'i)/%

m yawa / (g/cm3) Babu kasa da

α- Al2O3/% Babu kasa da

Al2O3abun ciki bai kasa kasa ba

Abin da ke cikin najasa, bai fi girma ba

SiO2

Fe2O3

Na2O

Rashin ƙonewa

Saukewa: JS-05LS

99.7

0.04

0.02

0.05

0.10

3.97

96

Saukewa: JS-10LS

99.6

0.04

0.02

0.10

0.10

3.96

95

JS-20

99.5

0.06

0.03

0.20

0.20

3.95

93

JS-30

99.4

0.06

0.03

0.30

0.20

3.93

90

JS-40

99.2

0.08

0.04

0.40

0.20

3.90

85

Alumina kayayyakin tare da irin calcined alumina foda a matsayin albarkatun kasa da kyau kwarai inji ƙarfi, high taurin, high lantarki resistivity da kuma mai kyau thermal watsin.A calcined alumina micropowder za a iya amfani da ko'ina a cikin lantarki kayan aiki, tsarin tukwane, refractories, abrasives, polishing kayan, da dai sauransu

Calcined aluminas su ne alpha-aluminas waɗanda suka ƙunshi da farko na sintered agglomerates na kowane lu'ulu'u na alumina.Girman waɗannan lu'ulu'u na farko ya dogara da matakin ƙididdiga da girman agglomerate akan matakan niƙa na gaba.Yawancin aluminas da aka yi amfani da su ana kawo su ƙasa (<63μm) ko ƙasa mai kyau (<45μm).The agglomerates ba su da cikakken karya a lokacin nika, wanda shi ne wani gagarumin bambanci daga reactive aluminas da aka cikakken ƙasa ta tsari nika tsari.Calcined aluminas an rarraba su ta hanyar abun ciki na soda, girman barbashi da digiri na calcination.Ana amfani da alumina mai ƙaƙƙarfan ƙasa da ƙasa mai kyau azaman matrix filler don haɓaka aikin samfur na ƙira galibi dangane da albarkatun ƙasa.

Calcined aluminas suna da girman barbashi mai kama da tarin ma'adinai na ƙasa kuma don haka suna iya maye gurbin tari tare da ƙananan tsabta.Ta hanyar ƙara yawan abubuwan da ke cikin alumina na gaurayawan da haɓaka abubuwan da aka haɗa su ta hanyar ƙari na alumina mai kyau, haɓakawa da kaddarorin injiniya, kamar yanayin zafi na fashewa da juriya, an inganta su.Bukatar ruwa na aluminas calcined an ayyana shi ta adadin ragowar agglomerates da sararin saman.Don haka, an fi son alumina da aka yi da ƙananan ƙasa a matsayin masu cika bulo da simintin ƙarfe.Musamman Calcined aluminas tare da mafi girman fili, na iya samun nasarar maye gurbin yumbu a matsayin filastik a cikin gunning da ramming mixes.Samfuran da aka gyara ta waɗannan samfuran suna kiyaye kyawawan halayen shigarwa amma suna nuna raguwar raguwa sosai bayan bushewa da harbe-harbe.

Calcined Alumina

Calcined alumina powders ana yin su ta hanyar lissafin masana'antu alumina ko aluminum hydroxide a yanayin zafi mai kyau don canzawa zuwa barga crystallinea-alumina, sannan a niƙa zuwa ƙananan foda.Ana iya amfani da ƙananan foda da aka yi amfani da su a cikin ƙofar zamewa, nozzles, da tubalin alumina.Bugu da ƙari, ana iya amfani da su a cikin castables tare da silica fume da reactive alumina foda, don rage yawan ruwa, porosity da kuma ƙara ƙarfin, kwanciyar hankali.

Calcined Aluminas don Refractories

Saboda kyawawan kaddarorin zafin jiki na a-Alumina, Calcined Aluminas ana amfani da su a cikin aikace-aikacen da yawa na refractory, duka a cikin samfuran monolithic da siffa.

Ayyukan Samfur
Dangane da girman niƙa da girman kristal, Calcined Aluminas yana aiki iri-iri na ayyuka daban-daban a cikin ƙirar ƙira.

Mafi mahimmanci sune:
• Haɓaka aikin samfur ta hanyar haɓaka abun ciki na Alumina gabaɗaya na waɗannan abubuwan da aka tsara ta amfani da albarkatun ƙasa don haɓaka haɓakar haɓakawa da kaddarorin inji.
• Haɓaka tattarawar ƙwayar cuta ta hanyar ƙara yawan ƙwayoyin lafiya waɗanda ke haifar da ingantacciyar ƙarfin injiniya da juriya na abrasion.
• Samar da matrix na babban refractoriness da kuma mai kyau thermal girgiza juriya ta hanyar mayar da martani tare da daure sassa kamar Calcium Aluminate Siminti da / ko clays.