CN100372799C - High-strength compact zirconia-chromia corundum brick - Google Patents
High-strength compact zirconia-chromia corundum brick Download PDFInfo
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- CN100372799C CN100372799C CNB2006100472050A CN200610047205A CN100372799C CN 100372799 C CN100372799 C CN 100372799C CN B2006100472050 A CNB2006100472050 A CN B2006100472050A CN 200610047205 A CN200610047205 A CN 200610047205A CN 100372799 C CN100372799 C CN 100372799C
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Abstract
The high strength compact zirconia-chromia corundum brick is produced with corundum, zirconia material, chromia material and binding agent. The material consists of compact corundum 10-80 wt%, brown corundum 0-60 wt%, zirconia material 1-25 wt%, chromia material 3-40 wt% and binding agent 1-12 wt%. The high strength compact zirconia-chromia corundum brick has high strength high heat shock stability, high slag corrosion resistance and high heat resistance.
Description
(1) technical field
The present invention relates to metallurgy and use refractory materials, particularly relate to high-strength compact zirconia-chromia corundum brick and making method.
(2) background technology
Present non-ferrous metal smelting furnace, usually the refractory brick that adopts magnesia, magnesium chromium matter, aluminium chromium matter, aluminium matter, aluminum chromium zirconia fire resistive material to make comes brickwork, with its fire-resistant, high refractoriness under load, wear resisting property, chemical stability, thermal shock resistance and anti-slag erosion wait well to improve smelts heat, purpose is to boost productivity, and reduces production costs.But existing aluminium zirconium chrome brick is not given full play to the physicochemical property of each high-quality refractory material, its reason is that each storeroom bonding strength is low, compactness is poor, cause the thermal shock resistance of brick relatively poor, refractoriness under load, anti-slag erosion, anti-molten metal erosion be not ideal enough, the deficiency that withstand voltage folding strength is low.
(3) summary of the invention
The technical problem to be solved in the present invention, provide a kind of high bond strength, high compactness, have high refractoriness under load, wear resisting property, chemical stability, thermal shock resistance and anti-slag erosion are better than the high-strength compact zirconia-chromia corundum brick and the making method of existing ZrCrCorundum Brick.
The technical scheme that adopts is:
High-strength compact zirconia-chromia corundum brick is by corundum, zirconium material, chromia material, adds wedding agent and makes.Described corundum is two kinds in electric smelting compact alumina and a brown corundum, and its ratio of components is by weight percentage: compact alumina 10-80%, brown corundum 0-60%, zirconium material 1-25%, chromia material 3-40% add the 1-12% wedding agent of above-mentioned batching gross weight and make.
Above-mentioned wedding agent is an industrial phosphoric acid.
Part palm fibre corundum, zirconium dioxide and chromium sesquioxide in the above-mentioned batching are processed into the above micro mist of 1000 orders, 200 orders-1000 order fine powder, 200 orders-2.5mm particle, 2.5-5mm particle respectively.
Aluminium sesquioxide in the above-mentioned compact alumina composition〉99%, 80%＜aluminium sesquioxide＜99% in the brown corundum composition.Zirconium dioxide in the zirconium material 〉=95%.Chromium sesquioxide in the chromia material 〉=46%.
Above-mentioned zirconium material is a zirconium dioxide.
Above-mentioned chromia material is a chromium sesquioxide.
The preparation method of high strength dense ZrCrCorundum Brick:
1, selects materials.Choose compact alumina, brown corundum, zirconium material, chromia material.Separated pulverizing 5mm particle to 1000 order is deposited standby then.Pulverizer can be selected micronizer mill for use.
2, get pulverizing and be compact alumina 10-80%, brown corundum 0-60%, zirconium material 1-25%, chromia material 3-40%, add the wedding agent of above-mentioned batching gross weight 1-12% again, mix, left standstill 2-5 hour, make adobe with brick press.
3, klining is gone in the adobe that makes and form, be finished product (for common process).
High strength dense ZrCrCorundum Brick of the present invention, intensity height, good thermal shock stability and anti-slag etch performance are good, and high temperature resistant.
(4) embodiment
Embodiment one
High-strength compact zirconia-chromia corundum brick is by compact alumina, brown corundum, zirconium dioxide, chromium sesquioxide and industrial phosphoric acid, is mixed and makes adobe, makes through sintering.Its ratio of components is by weight percentage: compact alumina 40%, brown corundum 35%, zirconium dioxide 5%, chromium sesquioxide 20%, industrial phosphoric acid are 4% of above-mentioned batching gross weight.The granularity of compact alumina, brown corundum, zirconium dioxide, chromium sesquioxide is that 1000 orders are to 5mm.
Embodiment two
High-strength compact zirconia-chromia corundum brick be by compact alumina, brown corundum, zirconium dioxide, chromium sesquioxide through pulverizing, add industrial phosphoric acid, be mixed and make adobe, make through sintering.The ratio of components of its blank is by weight percentage: compact alumina 40%, brown corundum 35%, zirconium dioxide 5%, chromium sesquioxide 20%, industrial phosphoric acid are 4% of above-mentioned batching gross weight.The micro mist composition is 5-30% in the blank, and the micro mist proportioning is compact alumina 30%, brown corundum 10%, zirconium dioxide 25%, chromium sesquioxide 35%, and micro mist composition wherein 50% granularity is crossed 1000 orders, and other 50% granularity of micro mist composition is between the 200-1000 order.
Embodiment three
High-strength compact zirconia-chromia corundum brick is by compact alumina, brown corundum, zirconium dioxide, chromium sesquioxide and industrial phosphoric acid, is mixed and makes adobe, makes through sintering.Its ratio of components is by weight percentage: compact alumina 35%, brown corundum 25%, zirconium dioxide 15%, chromium sesquioxide 25%, industrial phosphoric acid are 6.5% of adobe batching total amount.
Claims (4)
1. high-strength compact zirconia-chromia corundum brick, it is characterized in that being mixed and make adobe by compact alumina powder, brown alundum powder, zirconium material powder, chromia material powder and wedding agent, make through sintering, its adobe ratio of components is measured by weight percentage and is: compact alumina 10-80%, brown corundum 0-60%, zirconium material 1-25%, chromia material 3-40%, wedding agent are the 1-12% of above-mentioned adobe batching gross weight; Zirconium dioxide in the zirconium material 〉=95%, chromium sesquioxide in the chromia material 〉=46%, aluminium sesquioxide in the compact alumina composition＞99%, 80%＜aluminium sesquioxide＜99% in the brown corundum composition, the granularity of compact alumina, brown corundum, zirconium material, chromia material is that 1000 orders are to 5mm.
2. high-strength compact zirconia-chromia corundum brick according to claim 1 is characterized in that described wedding agent is an industrial phosphoric acid, and described zirconium material is a zirconium dioxide, and described chromia material is a chromium sesquioxide.
3. high-strength compact zirconia-chromia corundum brick according to claim 2 is characterized in that compact alumina 40%, brown corundum 35%, zirconium dioxide 5%, chromium sesquioxide 20%, and industrial phosphoric acid is 4% of an above-mentioned batching each component gross weight.
4. high-strength compact zirconia-chromia corundum brick according to claim 3, it is characterized in that in the described adobe batching 5-30% being arranged is the micro mist composition, the micro mist proportioning is compact alumina 30%, brown corundum 10%, zirconium dioxide 25%, chromium sesquioxide 35%, micro mist composition wherein 50% granularity is crossed 1000 orders, and other 50% granularity of micro mist composition is between the 200-1000 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100472050A CN100372799C (en) | 2006-07-17 | 2006-07-17 | High-strength compact zirconia-chromia corundum brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100472050A CN100372799C (en) | 2006-07-17 | 2006-07-17 | High-strength compact zirconia-chromia corundum brick |
Publications (2)
| Publication Number | Publication Date |
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| CN1887788A CN1887788A (en) | 2007-01-03 |
| CN100372799C true CN100372799C (en) | 2008-03-05 |
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| CNB2006100472050A Expired - Fee Related CN100372799C (en) | 2006-07-17 | 2006-07-17 | High-strength compact zirconia-chromia corundum brick |
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| CN112028651A (en) * | 2020-09-09 | 2020-12-04 | 登封市阳光炉料有限公司 | Chromium corundum material and production method thereof |
| CN112745111A (en) * | 2020-12-07 | 2021-05-04 | 北京金隅通达耐火技术有限公司 | High-density chromium-zirconium-corundum brick for hazardous waste disposal rotary kiln |
| CN112745108A (en) * | 2020-12-07 | 2021-05-04 | 北京金隅通达耐火技术有限公司 | High-density chromium corundum brick for hazardous waste disposal rotary kiln |
| CN113354424B (en) * | 2021-06-15 | 2023-05-26 | 洛阳广潇新材料科技有限公司 | High-spalling-resistance oxygen lance brick and preparation method thereof |
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| SU532590A1 (en) * | 1975-08-08 | 1976-10-25 | Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт | Charge for the manufacture of refractory products |
| JPS6096581A (en) * | 1983-10-31 | 1985-05-30 | 黒崎窯業株式会社 | Ceramic furnace injection repairing material |
| FR2593805A1 (en) * | 1986-02-04 | 1987-08-07 | Olifan Sa | Refractory composition intended especially for the manufacture of a crucible or tank furnace |
| CN1127733A (en) * | 1995-07-18 | 1996-07-31 | 鞍山市腾鳌特区亚新亚耐火材料研究所 | Unburned Al-Cr-Zr refractory material |
| CN1281832A (en) * | 1999-07-27 | 2001-01-31 | 湖南新华联特种材料有限公司 | Abrasion-resistant corundum ceramics |
| CN1712873A (en) * | 2005-07-14 | 2005-12-28 | 西安秦翔科技有限责任公司 | Internal lining casting material of industrial reaction furnace and lining-up method |
-
2006
- 2006-07-17 CN CNB2006100472050A patent/CN100372799C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU532590A1 (en) * | 1975-08-08 | 1976-10-25 | Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт | Charge for the manufacture of refractory products |
| JPS6096581A (en) * | 1983-10-31 | 1985-05-30 | 黒崎窯業株式会社 | Ceramic furnace injection repairing material |
| FR2593805A1 (en) * | 1986-02-04 | 1987-08-07 | Olifan Sa | Refractory composition intended especially for the manufacture of a crucible or tank furnace |
| CN1127733A (en) * | 1995-07-18 | 1996-07-31 | 鞍山市腾鳌特区亚新亚耐火材料研究所 | Unburned Al-Cr-Zr refractory material |
| CN1281832A (en) * | 1999-07-27 | 2001-01-31 | 湖南新华联特种材料有限公司 | Abrasion-resistant corundum ceramics |
| CN1712873A (en) * | 2005-07-14 | 2005-12-28 | 西安秦翔科技有限责任公司 | Internal lining casting material of industrial reaction furnace and lining-up method |
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| CN1887788A (en) | 2007-01-03 |
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