• I-Chrome corundum

I-Chrome corundum

I-Chrome corundum (ekwabizwa ngokuba yi-pink corundum) yenziwe nge-chemical reaction ye-metallurgical chrome-green kunye ne-industrial alumina kwiqondo lokushisa eliphezulu ngaphezu kwe-2000 degrees.Umlinganiselo othile wechromium oxide wongezwa ngexesha lenkqubo yokunyibilikisa, ebomvu ngokukhanyayo okanye evukileyo.

I-Chromium corundum igqwesa ekusebenzeni okubanzi kubandakanya ubunzima obuphezulu, ukuqina okuphezulu, ukucoceka okuphezulu, ukuzilola okugqwesileyo, isakhono esinamandla sokugaya, ukuvelisa ukushisa okuphantsi, ukusebenza kakuhle, ukuchasana kwe-asidi kunye ne-alkali, ukumelana nobushushu obuphezulu, kunye nokuzinza okuhle kwe-thermal.

Ukongezwa kwezinto zeekhemikhali ze-Cr kwi-chrome corundum kuphucula ukuqina kwezixhobo zayo ezinqabileyo.Iyafana ne-white corundum ngobulukhuni kodwa iphezulu kukuqina.Izixhobo ze-abrasive ezenziwe nge-chrome corundum zinokuqina okulungileyo kunye nokugqiba okuphezulu.Isetyenziselwa ngokubanzi ukukrala, ukugaya, ukupolisha, ukuphosa isanti ngokuchanekileyo, izinto zokutshiza, umthwali wekhemikhali we-catalyst, ii-ceramics ezikhethekileyo njalo njalo.Imimandla esebenzayo ibandakanya: izixhobo zokulinganisa, izixhobo zokuphotha zomatshini, iinxalenye zesixhobo, ukugaya okuchanekileyo kwimveliso enemisonto kunye nemodeli.

I-chrome corundum ine-viscosity ephezulu kunye ne-permeability enhle ngenxa yecandelo leglasi e-chromium oxide, enokuthintela kakhulu ukukhukuliseka kunye nokungena kwe-slag etyhidiweyo.Ikwasetyenziswa ngokubanzi kumasimi obushushu obuphezulu obunobume oburhabaxa, kubandakanywa izitovu zentsimbi ezingezizo i-ferrous, iiglasi ezinyibilikayo zeglasi, iireactors ezimnyama zekhabhoni, izitshisi zenkunkuma kunye nezinto ezilahlwayo.

Iimveliso zeChromium corundum
Iimpawu ezibonakalayo kunye neekhemikhali

Umxholo weChromium oxide I-chrome ephantsi

0.2 --0.45

Ichromium

0.45--1.0

Ichromium ephezulu

1.0--2.0

Uluhlu lwe-granularity

AL2O3 Na2O Fe2O3
F12--F80 98.20min 0.50ubuninzi 0.08 ubuninzi
F90--F150 98.50min 0.55ubuninzi 0.08 ubuninzi
F180--F220 98.00min 0.60ubuninzi 0.08 ubuninzi

Ubuninzi benyani: 3.90g/cm3 Ubuninzi bobuninzi: 1.40-1.91g/cm3

Ubunzima obuncinci: 2200-2300g / mm2

Chrome Corundum Macro

I-PEPA Ubungakanani obuphakathi kweenkozo(μm)
F 020 850 - 1180
F 022 710 - 1000
F 024 600 - 850
F 030 500 - 710
F 036 425 – 600
F 040 355 – 500
F 046 300 - 425
F 054 250 – 355
F 060 212 – 300
F 070 180 – 250
F 080 150 - 212
F 090 125 – 180
F 100 106 – 150
F 120 90 – 125
F 150 63 – 106
F 180 53 – 90
F 220 45 – 75
F240 28 – 34

Uhlalutyo lomzimba oluqhelekileyo

Al2O3 99.50 %
Cr2O3 0.15 %
Na2O 0.15 %
Fe2O3 0.05 %
CaO 0.05 %

Iimpawu ezibonakalayo eziqhelekileyo

Ukuqina 9.0 mohs
Colo pink
Imilo yeenkozo i-angular
Indawo yokunyibilika ca.2250 °C
Ubushushu benkonzo enkulu ca.1900 °C
Ubunzima obuthile ca.3.9 - 4.1 g/cm3
Unizi lolwapho kuyiwa khona ca.1.3 – 2.0 g/cm3