CN107739195A - A kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof - Google Patents
A kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof Download PDFInfo
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- CN107739195A CN107739195A CN201711004056.4A CN201711004056A CN107739195A CN 107739195 A CN107739195 A CN 107739195A CN 201711004056 A CN201711004056 A CN 201711004056A CN 107739195 A CN107739195 A CN 107739195A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C04B35/105—Refractories from grain sized mixtures containing chromium oxide or chrome ore
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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Abstract
The present invention relates to a kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof.Its technical scheme is：By aluminium chromium slag fine powder: the mass ratio of titanium dioxide is 100: (5~8) dispensing, stirring, burnt till at 1100~1150 DEG C, furnace cooling, be ground to granularity as 50~60 μm, obtain being heat-treated fine powder.By tabular corundum in granules: aluminium chromium solid impurity particle: plate diamond spar fine powder: heat treatment fine powder: the mass ratio of silicon powder is 100: (40~45): (35~40): (15~20): (7~12) dispensing, premix is made.By premix: the mass ratio of Ludox is 100: (6.0~6.5), Ludox is added into premix, mixing, shaping, respectively at 30~35 DEG C and 90~110 DEG C maintenances, 1600~1650 DEG C are warming up to 3~5 DEG C/min speed, insulation, furnace cooling, Ausmelt copper smelters regeneration alumina chrome brick is made.Present invention process is simple, green low with production cost；The consistency of made product is high, good thermal shock stability and resistance to slag corrosion are strong.
Description
Technical field
The invention belongs to Ausmelt copper smelter technical field of refractory materials.More particularly to a kind of Ausmelt copper weld pools
Stove regeneration alumina chrome brick and preparation method thereof.
Background technology
Ausmelt (Australia Si Maite) copper smelter is key link primary in copper smelting by pyrometallurgy, directly affects follow-up matte
Blowing with it is concise.The slag making time is long in the process of running, the quantity of slag is big, thermal cycle impact is strong for Ausmelt copper smelters, and this is right
Ausmelt copper smelters propose harsh requirement with refractory material.
At present, Ausmelt copper smelters are mainly magnesium chromium matter and aluminium chrome refractory with refractory material.
Using magnesian-chrome efractoy as Ausmelt copper smelter liners, its high-temperature behavior is good, anti-copper ashes and anti-ice copper
Erosiveness it is strong, especially periclase-magnesia chrome spinel is good directly in conjunction with property, and thermal structure intensity is larger, thus resist
The ability of thermal cycle impact is strong.But magnesian-chrome efractoy belongs to alkaline refractory product, hydrophily is stronger, the easy aquation of product.
Using aluminium chrome refractory as Ausmelt copper smelter liners, such as a kind of " Ausmelt furnace liner regeneration
Alumina chrome brick and preparation method thereof " (CN 201610001528.X), its refractoriness is high, and aluminium chrome refractory can be with copper ashes
Middle reaction forms spinelle protective layer, has been obviously improved the slag-resistant aggressivity of aluminium chrome refractory, it is resistance to improve aluminium chromium matter
The service life of fiery material, but aluminium chrome refractory is also easy to produce structure spalling, thermal shock resistance in the case where circulating high wind-warm syndrome
It is weaker.
In addition, no matter selecting magnesium chromium matter or aluminium chrome refractory, (such as high-grade magnesia, fine chrome mine, palm fibre are just for its refractory raw material
Jade, pink fused alumina etc.) price is high, increase the cost of fire resistive material product.
The content of the invention
It is contemplated that overcome prior art defect, it is therefore an objective to provide that a kind of technique is simple, green and production cost
The preparation method of low Ausmelt copper smelters regeneration alumina chrome brick；With the Ausmelt copper smelters prepared by this method with again
The consistency of cast alumin(i)um chrome brick is high, good thermal shock stability and resistance to slag corrosion are strong.
To achieve the above object, the technical solution adopted by the present invention comprises the concrete steps that：
The first step, by aluminium chromium slag fine powder: the mass ratio of titanium dioxide be 100: (5~8) dispensing, stir 8~10 minutes；Put again
In Muffle furnace, 2~3 hours are incubated under the conditions of 1100~1150 DEG C and in air atmosphere, furnace cooling, comes out of the stove, is ground to
Granularity is 50~60 μm, obtains being heat-treated fine powder.
Second step, by tabular corundum in granules: aluminium chromium solid impurity particle: plate diamond spar fine powder: heat treatment fine powder: the quality of silicon powder
Than for 100: (40~45): (35~40): (15~20): (7~12) dispensing, stir 4~5 minutes, premix is made.
3rd step, by the premix: the mass ratio of Ludox be 100: (6.0~6.5), added into the premix
The Ludox, mix 3~4 minutes, compound is made.
4th step, the compound inserted in mould, vibration moulding, conserved 4~6 hours under the conditions of 30~35 DEG C,
Conserved 3~5 hours under the conditions of 90~110 DEG C；It is subsequently placed in Muffle furnace, 1600 is warming up to 3~5 DEG C/min speed
~1650 DEG C, 1~2 hour is incubated, furnace cooling, Ausmelt copper smelters regeneration alumina chrome brick is made.
The aluminium chromium slag fine powder is clinker caused by metal smelting chromium, and the main chemical compositions of aluminium chromium slag fine powder are：
Al2O3Content is 75~80wt%, Cr2O3Content is 10~15wt%, content of MgO≤2wt%, CaO content≤2wt%；It is described
Granularity≤0.1mm of aluminium chromium slag fine powder.
The TiO of the titanium dioxide2Content >=97wt%；Granularity≤0.1mm of the titanium dioxide.
The Al of the plate diamond spar particle2O3Content >=99wt%；The granularity of the plate diamond spar particle is 0.1~6mm.
The aluminium chromium solid impurity particle is clinker caused by metal smelting chromium, and the main chemical compositions of aluminium chromium solid impurity particle are：
Al2O3Content is 75~80wt%, Cr2O3Content is 10~15wt%, content of MgO≤2wt%, CaO content≤2wt%；It is described
The granularity of aluminium chromium solid impurity particle is 0.1~6mm.
The Al of the plate diamond spar fine powder2O3Content >=99wt%；The granularity of the plate diamond spar fine powder is 50~60 μm.
The SiO of the silicon powder2Content >=97wt%；The granularity of the silicon powder is 50~60 μm.
The SiO of the Ludox2Content is 15~20wt%.
Due to being had the positive effect that compared with prior art using above-mentioned technical proposal, the present invention：
1st, the present invention uses clinker caused by metal smelting chromium --- and for aluminium chromium slag for raw material, preparation technology is simple, significantly
The preparation cost of regeneration alumina chrome brick is reduced, while the high added value for realizing aluminium chromium slag solid waste resource recycles,
Reduce environmental pressure.
2nd, the present invention utilizes " reduction mechanism " of acidic oxide to Cr in aluminium chromium slag6+Made a price reduction, realize Ausmelt
The green preparation of copper smelter regeneration alumina chrome brick, is advantageous to environmental protection.
3rd, the present invention is formed in situ spinel solid solution, promoted by the solid solution reaction of raw material components in sintering process
The Ausmelt copper smelters sintering of regeneration alumina chrome brick, the consistency and anti-scour property of reinforcing material；It is simultaneously brilliant using point
The microcrack evolution equation of stone solid solution, the fracture toughness of material is improved, improve thermal shock of the Ausmelt copper smelters with regeneration alumina chrome brick
Stability.
Ausmelt copper smelters prepared by the present invention use regeneration alumina chrome brick after testing：Bulk density be 3.02~
3.07g/cm3；1300 DEG C × 5h Static crucible methods anti-slag experiment erosion index is 2~5%；The thermal shock of 1300 DEG C of water coolings is stable
Property experiment residual strength conservation rate be 80~85%.
Therefore, the present invention has the characteristics of technique is simple, green low with production cost；Prepared Ausmelt copper
Smelting furnace is strong with consistency height, good thermal shock stability and the resistance to slag corrosion for regenerating alumina chrome brick.
Embodiment
With reference to embodiment, the invention will be further described, not to the limitation of its protection domain.
In present embodiment：
The aluminium chromium slag fine powder is clinker caused by metal smelting chromium, and the main chemical compositions of aluminium chromium slag fine powder are：
Al2O3Content is 75~80wt%, Cr2O3Content is 10~15wt%, content of MgO≤2wt%, CaO content≤2wt%；It is described
Granularity≤0.1mm of aluminium chromium slag fine powder.
The TiO of the titanium dioxide2Content >=97wt%；Granularity≤0.1mm of the titanium dioxide.
The Al of the plate diamond spar particle2O3Content >=99wt%；The granularity of the plate diamond spar particle is 0.1~6mm.
The aluminium chromium solid impurity particle is clinker caused by metal smelting chromium, and the main chemical compositions of aluminium chromium solid impurity particle are：
Al2O3Content is 75~80wt%, Cr2O3Content is 10~15wt%, content of MgO≤2wt%, CaO content≤2wt%；It is described
The granularity of aluminium chromium solid impurity particle is 0.1~6mm.
The Al of the plate diamond spar fine powder2O3Content >=99wt%；The granularity of the plate diamond spar fine powder is 50~60 μm.
The SiO of the silicon powder2Content >=97wt%；The granularity of the silicon powder is 50~60 μm.
The SiO of the Ludox2Content is 15~20wt%.
Repeated no more in embodiment.
Embodiment 1
A kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by aluminium chromium slag fine powder: the mass ratio of titanium dioxide be 100: (5~7) dispensing, stir 8~10 minutes；Put again
In Muffle furnace, 2~3 hours are incubated under the conditions of 1100~1120 DEG C and in air atmosphere, furnace cooling, comes out of the stove, is ground to
Granularity is 50~60 μm, obtains being heat-treated fine powder.
Second step, by tabular corundum in granules: aluminium chromium solid impurity particle: plate diamond spar fine powder: heat treatment fine powder: the quality of silicon powder
Than for 100: (40~42): (35~37): (15~17): (7~9) dispensing, stir 4~5 minutes, premix is made.
3rd step, by the premix: the mass ratio of Ludox be 100: (6.0~6.2), added into the premix
The Ludox, mix 3~4 minutes, compound is made.
4th step, the compound inserted in mould, vibration moulding, conserved 4~6 hours under the conditions of 30~35 DEG C,
Conserved 3~5 hours under the conditions of 90~110 DEG C；It is subsequently placed in Muffle furnace, 1600 is warming up to 3~5 DEG C/min speed
~1620 DEG C, 1~2 hour is incubated, furnace cooling, Ausmelt copper smelters regeneration alumina chrome brick is made.
Ausmelt copper smelters prepared by the present embodiment use regeneration alumina chrome brick after testing：Bulk density be 3.02~
3.04g/cm3；1300 DEG C × 5h Static crucible methods anti-slag experiment erosion index is 2~4%；The thermal shock of 1300 DEG C of water coolings is stable
Property experiment residual strength conservation rate be 80~82%.
Embodiment 2
A kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by aluminium chromium slag fine powder: the mass ratio of titanium dioxide be 100: (5~7) dispensing, stir 8~10 minutes；Put again
In Muffle furnace, 2~3 hours are incubated under the conditions of 1110~1130 DEG C and in air atmosphere, furnace cooling, comes out of the stove, is ground to
Granularity is 50~60 μm, obtains being heat-treated fine powder.
Second step, by tabular corundum in granules: aluminium chromium solid impurity particle: plate diamond spar fine powder: heat treatment fine powder: the quality of silicon powder
Than for 100: (41~43): (36~38): (16~18): (8~10) dispensing, stir 4~5 minutes, premix is made.
3rd step, by the premix: the mass ratio of Ludox be 100: (6.1~6.3), added into the premix
The Ludox, mix 3~4 minutes, compound is made.
4th step, the compound inserted in mould, vibration moulding, conserved 4~6 hours under the conditions of 30~35 DEG C,
Conserved 3~5 hours under the conditions of 90~110 DEG C；It is subsequently placed in Muffle furnace, 1610 is warming up to 3~5 DEG C/min speed
~1630 DEG C, 1~2 hour is incubated, furnace cooling, Ausmelt copper smelters regeneration alumina chrome brick is made.
Ausmelt copper smelters prepared by the present embodiment use regeneration alumina chrome brick after testing：Bulk density be 3.03~
3.05g/cm3；1300 DEG C × 5h Static crucible methods anti-slag experiment erosion index is 2~4%；The thermal shock of 1300 DEG C of water coolings is stable
Property experiment residual strength conservation rate be 81~83%.
Embodiment 3
A kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by aluminium chromium slag fine powder: the mass ratio of titanium dioxide be 100: (6~8) dispensing, stir 8~10 minutes；Put again
In Muffle furnace, 2~3 hours are incubated under the conditions of 1120~1140 DEG C and in air atmosphere, furnace cooling, comes out of the stove, is ground to
Granularity is 50~60 μm, obtains being heat-treated fine powder.
Second step, by tabular corundum in granules: aluminium chromium solid impurity particle: plate diamond spar fine powder: heat treatment fine powder: the quality of silicon powder
Than for 100: (42~44): (37~39): (17~19): (9~11) dispensing, stir 4~5 minutes, premix is made.
3rd step, by the premix: the mass ratio of Ludox be 100: (6.2~6.4), added into the premix
The Ludox, mix 3~4 minutes, compound is made.
4th step, the compound inserted in mould, vibration moulding, conserved 4~6 hours under the conditions of 30~35 DEG C,
Conserved 3~5 hours under the conditions of 90~110 DEG C；It is subsequently placed in Muffle furnace, 1620 is warming up to 3~5 DEG C/min speed
~1640 DEG C, 1~2 hour is incubated, furnace cooling, Ausmelt copper smelters regeneration alumina chrome brick is made.
Ausmelt copper smelters prepared by the present embodiment use regeneration alumina chrome brick after testing：Bulk density be 3.04~
3.06g/cm3；1300 DEG C × 5h Static crucible methods anti-slag experiment erosion index is 3~5%；The thermal shock of 1300 DEG C of water coolings is stable
Property experiment residual strength conservation rate be 82~84%.
Embodiment 4
A kind of Ausmelt copper smelters regeneration alumina chrome brick and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by aluminium chromium slag fine powder: the mass ratio of titanium dioxide be 100: (6~8) dispensing, stir 8~10 minutes；Put again
In Muffle furnace, 2~3 hours are incubated under the conditions of 1130~1150 DEG C and in air atmosphere, furnace cooling, comes out of the stove, is ground to
Granularity is 50~60 μm, obtains being heat-treated fine powder.
Second step, by tabular corundum in granules: aluminium chromium solid impurity particle: plate diamond spar fine powder: heat treatment fine powder: the quality of silicon powder
Than for 100: (43~45): (38~40): (18~20): (10~12) dispensing, stir 4~5 minutes, premix is made.
3rd step, by the premix: the mass ratio of Ludox be 100: (6.3~6.5), added into the premix
The Ludox, mix 3~4 minutes, compound is made.
4th step, the compound inserted in mould, vibration moulding, conserved 4~6 hours under the conditions of 30~35 DEG C,
Conserved 3~5 hours under the conditions of 90~110 DEG C；It is subsequently placed in Muffle furnace, 1630 is warming up to 3~5 DEG C/min speed
~1650 DEG C, 1~2 hour is incubated, furnace cooling, Ausmelt copper smelters regeneration alumina chrome brick is made.
Ausmelt copper smelters prepared by the present embodiment use regeneration alumina chrome brick after testing：Bulk density be 3.05~
3.07g/cm3；1300 DEG C × 5h Static crucible methods anti-slag experiment erosion index is 3~5%；The thermal shock of 1300 DEG C of water coolings is stable
Property experiment residual strength conservation rate be 83~85%.
Present embodiment has the positive effect that compared with prior art：
1st, present embodiment uses clinker caused by metal smelting chromium --- and aluminium chromium slag is raw material, preparation technology letter
It is single, the preparation cost of regeneration alumina chrome brick is significantly reduced, while the high added value for realizing aluminium chromium slag solid waste resource is returned
Receive and utilize, reduce environmental pressure.
2nd, present embodiment utilizes " reduction mechanism " of acidic oxide to Cr in aluminium chromium slag6+Made a price reduction, realized
The green preparation of Ausmelt copper smelters regeneration alumina chrome brick, is advantageous to environmental protection.
3rd, present embodiment is formed in situ spinelle solid solution by the solid solution reaction of raw material components in sintering process
Body, promote the sintering of Ausmelt copper smelters regeneration alumina chrome brick, the consistency and anti-scour property of reinforcing material；Together
The microcrack evolution equation of Shi Liyong spinel solid solutions, the fracture toughness of material is improved, improve Ausmelt copper smelter secondary aluminiums
The thermal shock resistance of chrome brick.
Ausmelt copper smelters prepared by present embodiment use regeneration alumina chrome brick after testing：Bulk density is
3.02~3.07g/cm3；1300 DEG C × 5h Static crucible methods anti-slag experiment erosion index is 2~5%；1300 DEG C of water coolings are once hot
It is 80~85% to shake stability experiment residual strength conservation rate.
Therefore, present embodiment has the characteristics of technique is simple, green low with production cost；Prepared
Ausmelt copper smelters are strong with consistency height, good thermal shock stability and the resistance to slag corrosion for regenerating alumina chrome brick.
Claims (9)
- A kind of 1. Ausmelt copper smelters preparation method of regeneration alumina chrome brick, it is characterised in that the preparation method it is specific Step is：The first step, by aluminium chromium slag fine powder: the mass ratio of titanium dioxide be 100: (5~8) dispensing, stir 8~10 minutes；Horse is placed in again Not in stove, 2~3 hours are incubated under the conditions of 1100~1150 DEG C and in air atmosphere, furnace cooling, comes out of the stove, is ground to granularity For 50~60 μm, obtain being heat-treated fine powder；Second step, by tabular corundum in granules: aluminium chromium solid impurity particle: plate diamond spar fine powder: heat treatment fine powder: the mass ratio of silicon powder is 100: (40~45): (35~40): (15~20): (7~12) dispensing, stir 4~5 minutes, premix is made；3rd step, by the premix: the mass ratio of Ludox be 100: (6.0~6.5), into the premix add described in Ludox, mix 3~4 minutes, compound is made；4th step, the compound inserted in mould, vibration moulding, conserved 4~6 hours under the conditions of 30~35 DEG C, then at Conserved 3~5 hours under the conditions of 90~110 DEG C；It is subsequently placed in Muffle furnace, 1600 are warming up to 3~5 DEG C/min speed~ 1650 DEG C, 1~2 hour is incubated, furnace cooling, Ausmelt copper smelters regeneration alumina chrome brick is made.
- 2. the Ausmelt copper smelters according to claim 1 preparation method of regeneration alumina chrome brick, it is characterised in that described Aluminium chromium slag fine powder is clinker caused by metal smelting chromium, and the main chemical compositions of aluminium chromium slag fine powder are：Al2O3Content be 75~ 80wt%, Cr2O3Content is 10~15wt%, content of MgO≤2wt%, CaO content≤2wt%；The grain of the aluminium chromium slag fine powder Degree≤0.1mm.
- 3. the Ausmelt copper smelters according to claim 1 preparation method of regeneration alumina chrome brick, it is characterised in that described The TiO of titanium dioxide2Content >=97wt%；Granularity≤0.1mm of the titanium dioxide.
- 4. the Ausmelt copper smelters according to claim 1 preparation method of regeneration alumina chrome brick, it is characterised in that described The Al of plate diamond spar particle2O3Content >=99wt%；The granularity of the plate diamond spar particle is 0.1~6mm.
- 5. the Ausmelt copper smelters according to claim 1 preparation method of regeneration alumina chrome brick, it is characterised in that described Aluminium chromium solid impurity particle is clinker caused by metal smelting chromium, and the main chemical compositions of aluminium chromium solid impurity particle are：Al2O3Content be 75~ 80wt%, Cr2O3Content is 10~15wt%, content of MgO≤2wt%, CaO content≤2wt%；The grain of the aluminium chromium solid impurity particle Spend for 0.1~6mm.
- 6. the Ausmelt copper smelters according to claim 1 preparation method of regeneration alumina chrome brick, it is characterised in that described The Al of plate diamond spar fine powder2O3Content >=99wt%；The granularity of the plate diamond spar fine powder is 50~60 μm.
- 7. the Ausmelt copper smelters according to claim 1 preparation method of regeneration alumina chrome brick, it is characterised in that described The SiO of silicon powder2Content >=97wt%；The granularity of the silicon powder is 50~60 μm.
- 8. the Ausmelt copper smelters according to claim 1 preparation method of regeneration alumina chrome brick, it is characterised in that described The SiO of Ludox2Content is 15~20wt%.
- A kind of 9. Ausmelt copper smelters regeneration alumina chrome brick, it is characterised in that the Ausmelt copper smelters secondary aluminium chromium Brick is that the preparation method of the Ausmelt copper smelters regeneration alumina chrome brick according to any one of claim 1~8 is made Standby Ausmelt copper smelters regeneration alumina chrome brick.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358619A (en) * | 2018-05-24 | 2018-08-03 | 武汉科技大学 | A kind of circulating fluidized bed boiler flue castable and preparation method thereof |
| CN108384961A (en) * | 2018-04-11 | 2018-08-10 | 武汉科技大学 | A kind of method of aluminium chromic slag harmlessness processing |
| CN108395226A (en) * | 2018-04-11 | 2018-08-14 | 武汉科技大学 | A kind of processing method of environment-friendly type aluminium chromium slag |
| CN111533543A (en) * | 2020-05-22 | 2020-08-14 | 中钢南京环境工程技术研究院有限公司 | High-phosphorus aluminum chromium brick for waste melting furnace and preparation method thereof |
| CN114213112A (en) * | 2021-12-28 | 2022-03-22 | 宜兴瑞泰耐火材料工程有限公司 | Environment-friendly chrome corundum castable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999325A (en) * | 1988-10-28 | 1991-03-12 | Michael David J | Rebonded fused brick |
| CN1417165A (en) * | 2002-12-15 | 2003-05-14 | 赵文厚 | Al-Cr-Ti refractory material |
| CN1513802A (en) * | 2002-07-08 | 2004-07-21 | 赵文厚 | Aluminium chromium guality refractory material and its production method |
| CN102898160A (en) * | 2012-10-18 | 2013-01-30 | 锦州英明耐火材料有限公司 | Preparation method for regenerated chromium and zirconium corundum brick |
| CN103896608A (en) * | 2014-03-08 | 2014-07-02 | 锦州集信高温材料有限公司 | Chrome corundum-titanium brick and production method thereof |
| CN106431370A (en) * | 2016-09-09 | 2017-02-22 | 武汉科技大学 | Mullite raw material adopting alumina-chrome slag as main ingredient and preparation method thereof |
-
2017
- 2017-10-24 CN CN201711004056.4A patent/CN107739195A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999325A (en) * | 1988-10-28 | 1991-03-12 | Michael David J | Rebonded fused brick |
| CN1513802A (en) * | 2002-07-08 | 2004-07-21 | 赵文厚 | Aluminium chromium guality refractory material and its production method |
| CN1417165A (en) * | 2002-12-15 | 2003-05-14 | 赵文厚 | Al-Cr-Ti refractory material |
| CN102898160A (en) * | 2012-10-18 | 2013-01-30 | 锦州英明耐火材料有限公司 | Preparation method for regenerated chromium and zirconium corundum brick |
| CN103896608A (en) * | 2014-03-08 | 2014-07-02 | 锦州集信高温材料有限公司 | Chrome corundum-titanium brick and production method thereof |
| CN106431370A (en) * | 2016-09-09 | 2017-02-22 | 武汉科技大学 | Mullite raw material adopting alumina-chrome slag as main ingredient and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384961A (en) * | 2018-04-11 | 2018-08-10 | 武汉科技大学 | A kind of method of aluminium chromic slag harmlessness processing |
| CN108395226A (en) * | 2018-04-11 | 2018-08-14 | 武汉科技大学 | A kind of processing method of environment-friendly type aluminium chromium slag |
| CN108384961B (en) * | 2018-04-11 | 2019-12-24 | 武汉科技大学 | Harmless treatment method for aluminum chromium slag |
| CN108358619A (en) * | 2018-05-24 | 2018-08-03 | 武汉科技大学 | A kind of circulating fluidized bed boiler flue castable and preparation method thereof |
| CN108358619B (en) * | 2018-05-24 | 2020-09-22 | 武汉科技大学 | Circulating fluidized bed boiler flue castable and preparation method thereof |
| CN111533543A (en) * | 2020-05-22 | 2020-08-14 | 中钢南京环境工程技术研究院有限公司 | High-phosphorus aluminum chromium brick for waste melting furnace and preparation method thereof |
| CN114213112A (en) * | 2021-12-28 | 2022-03-22 | 宜兴瑞泰耐火材料工程有限公司 | Environment-friendly chrome corundum castable |
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