Chrome corundum (ti a tun mọ si corundum Pink) jẹ ṣiṣe nipasẹ iṣesi kemikali ti chrome-green metallurgical ati alumina ile-iṣẹ ni iwọn otutu giga ju iwọn 2000 lọ.Iwọn kan ti oxide chromium ni a ṣafikun lakoko ilana sisun, eyiti o jẹ eleyi ti ina tabi dide.
Chromium corundum tayọ ni iṣẹ ṣiṣe okeerẹ pẹlu lile lile, lile giga, mimọ giga, didan ara ẹni ti o dara julọ, agbara lilọ lagbara, iran ooru kekere, ṣiṣe giga, acid ati resistance alkali, resistance otutu otutu, ati iduroṣinṣin igbona to dara.
Afikun ohun elo kemikali Cr ninu chrome corundum ṣe ilọsiwaju lile ti awọn irinṣẹ abrasive rẹ.O jẹ iru si corundum funfun ni lile ṣugbọn ti o ga julọ ni lile.Awọn irinṣẹ abrasive ti a ṣe ti chrome corundum ni agbara to dara ati ipari giga.O ti wa ni o gbajumo ni lilo ni abrading, lilọ, polishing, gangan simẹnti iyanrin, spraying ohun elo, kemikali ayase ti ngbe, pataki amọ ati be be lo.Awọn aaye to wulo pẹlu: awọn irinṣẹ wiwọn, awọn ọpa ọpa ẹrọ, awọn ẹya ohun elo, lilọ deede ni iṣelọpọ asapo ati awoṣe.
Awọn chrome corundum ni o ni ga iki ati ki o dara permeability nitori awọn chromium-oxide-ti o ni gilasi paati, eyi ti o le ibebe idilọwọ awọn ogbara ati ilaluja ti didà slag.O tun jẹ lilo pupọ ni awọn aaye otutu ti o ga pẹlu agbegbe lile, pẹlu awọn ileru irin-irin ti kii ṣe irin, awọn ileru yo gilasi, awọn olutọpa dudu erogba, awọn incinerators idoti ati awọn kasulu refractory.
Awọn ọja chromium corundum
Awọn itọkasi ti ara ati kemikali
Chromium oxide akoonu | Kroomu kekere 0.2 --0.45 | Awọn chromium 0.45--1.0 | Kromium giga 1.0--2.0 |
Iwọn granularity
AL2O3 | Nà2O | Fe2O3 | |
F12--F80 | 98.20 iṣẹju | 0.50 ti o pọju | 0.08 ti o pọju |
F90--F150 | 98.50 iṣẹju | 0.55 ti o pọju | 0.08 ti o pọju |
F180--F220 | 98.00 iṣẹju | 0.60 ti o pọju | 0.08 ti o pọju |
Iwuwo otitọ: 3.90g/cm3 iwuwo olopobobo: 1.40-1.91g/cm3
Microhardness: 2200-2300g / mm2
Chrome Corundum Makiro
PEPA | Apapọ ọkà (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 |
Aṣoju ti ara onínọmbà
Al2O3 | 99.50% |
Cr2O3 | 0.15% |
Nà2O | 0.15% |
Fe2O3 | 0.05% |
CaO | 0.05% |
Aṣoju ti ara-ini
Lile | 9.0 mohs |
Colóró | Pink |
Apẹrẹ ọkà | igun |
Ojuami yo | ca.2250 °C |
Iwọn otutu iṣẹ ti o pọju | ca.1900 °C |
Specific walẹ | ca.3,9 - 4,1 g / cm3 |
Olopobobo iwuwo | ca.1,3 - 2,0 g / cm3 |