CN104311057B - High-strength corrosion-resistant erosion castable refractory - Google Patents
High-strength corrosion-resistant erosion castable refractory Download PDFInfo
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Abstract
A kind of high-strength corrosion-resistant erosion castable refractory, including aggregate, powder, bonding agent, Zirconium oxide fibre and yittrium oxide, the parts by weight of above-mentioned raw materials are: aggregate 50～60 parts, powder 20～35 parts, bonding agent 5～6 parts, Zirconium oxide fibre 5～10 parts and yittrium oxide 5～10 parts: wherein, aggregate is made up of the electroceramics that gives up, useless brick and tile and gangue, powder is made up of gangue, useless electroceramics, useless brick and tile, flint clay, silicon powder, described bonding agent is aluminate cement, and described additive is alpha-aluminium oxide fine powder.
Description
Technical field:
The invention belongs to technical field of refractory materials, particularly relate to a kind of high-strength corrosion-resistant erosion castable refractory.
Background technology:
Castable refractory is typically made up of refractory aggregate, powder, bonding agent, additive, solvent at present,
The raw material of refractory aggregate are usually magnesia, stone marble, perlite, spinelle etc..Existing castable
Corrosion resistance is low, produces the raw material consumed many, and production cost is high.
Summary of the invention:
In view of this, for the deficiencies in the prior art, the present invention provides a kind of and reduces environmental pollution, cost
Low and corrosion resistant high-strength corrosion-resistant erosion castable refractory.
A kind of high-strength corrosion-resistant erosion castable refractory, including aggregate, powder, bonding agent, Zirconium oxide fibre and
Yittrium oxide, the parts by weight of above-mentioned raw materials are: aggregate 50～60 parts, powder 20～35 parts, bonding agent
5～6 parts, Zirconium oxide fibre 5～10 parts and yittrium oxide 5～10 parts: wherein, aggregate is by the electroceramics that gives up, useless
Brick and tile and gangue composition, powder is made up of gangue, useless electroceramics, useless brick and tile, flint clay, silicon powder,
Described bonding agent is aluminate cement, and wherein, aggregate includes coarse aggregate, middle aggregate, fine aggregate, thick bone
The particle diameter of material is 3～4mm, and the particle diameter of middle aggregate is 1～1.5mm, and the particle of fine aggregate is straight
Footpath is 0.09～0.9mm, a length of the 3 of Zirconium oxide fibre～4mm.
The alkaline resistance properties that the present invention is excellent is to utilize gangue, useless electroceramics, useless brick and tile to have higher SiO2
Content, under high temperature, liquid phase occurs that feature realizes earlier, when at high temperature running into alkali erosion, due to coal
SiO in spoil, useless electroceramics, useless brick and tile2Content is high and material surface occurs SiO earlier2Liquid phase, SiO2
The formation of liquid phase also can form diaphragm to the matrix of refractory material, and simultaneous oxidation zirconium fiber further enhances
The corrosion resistance of refractory material and utilize yittrium oxide to keep the stability of Zirconium oxide fibre, effectively hinders
Stop the alkali metal ion erosion to resistance to material internal organizational structure.
Detailed description of the invention:
A kind of high-strength corrosion-resistant erosion castable refractory, including aggregate, powder, bonding agent, Zirconium oxide fibre and
Yittrium oxide, the parts by weight of above-mentioned raw materials are: aggregate 50～60 parts, powder 20～35 parts, bonding agent
5～6 parts, Zirconium oxide fibre 5～10 parts and yittrium oxide 5～10 parts: wherein, aggregate is by the electroceramics that gives up, useless
Brick and tile and gangue composition, powder is made up of gangue, useless electroceramics, useless brick and tile, flint clay, silicon powder,
Described bonding agent is aluminate cement.Wherein, aggregate includes coarse aggregate, middle aggregate, fine aggregate, thick bone
The particle diameter of material is 3～4mm, and the particle diameter of middle aggregate is 1～1.5mm, and the particle of fine aggregate is straight
Footpath is 0.09～0.9mm, a length of the 3 of Zirconium oxide fibre～4mm；Coarse aggregate in aggregate, middle aggregate,
The parts by weight of fine aggregate are coarse aggregate 25 parts, 45 parts of middle aggregate, fine aggregate 30 parts；In described powder
Gangue, useless electroceramics, useless brick and tile, flint clay, the parts by weight of silicon powder be: gangue 15 parts,
Useless electroceramics 25 parts, useless brick and tile 15 parts, flint clay 30 parts, silicon powder 15 parts.
The alkaline resistance properties that the present invention is excellent is to utilize gangue, useless electroceramics, useless brick and tile to have higher SiO2
Content, under high temperature, liquid phase occurs that feature realizes earlier, when at high temperature running into alkali erosion, due to coal
SiO in spoil, useless electroceramics, useless brick and tile2Content is high and material surface occurs SiO earlier2Liquid phase, SiO2
The formation of liquid phase also can form diaphragm to the matrix of refractory material, effectively prevents alkali metal ion pair
The erosion of resistance to material internal organizational structure, simultaneous oxidation zirconium fiber further enhances the corrosion resistance of refractory material
And utilize yittrium oxide to keep the stability of Zirconium oxide fibre, substantially prolongs the use of Alkali resistant castable refractory
In the life-span, decrease the consumption of refractory material.
Embodiment 1
(1) preparation of castable:
51 parts of aggregate, powder 30 parts, bonding agent 5 parts, Zirconium oxide fibre 6 parts and yittrium oxide 8 parts,
Coarse aggregate in aggregate, middle aggregate, the parts by weight of fine aggregate be coarse aggregate 25 parts, 45 parts of middle aggregate,
Fine aggregate 30 parts, the particle diameter of coarse aggregate is 3mm, and the particle diameter of middle aggregate is 1mm, thin bone
The particle diameter of material is 0.09mm.By said ratio, add water after each raw material is weighed companion and, it is thus achieved that stream
The slurry that dynamic property is good, tests physical property after shaped, maintenance and heat treatment.
(2) quantitative measurement:
After 1100 DEG C × 24h is dried, rupture strength 11.8MPa, compressive resistance 88.6MPa；
After 1500 DEG C × 3H processes, rupture strength 12.6MPa, compressive resistance 98.3MPa.
Embodiment 2
(1) preparation of castable:
62 parts of aggregate, powder 25 parts, bonding agent 3 parts, Zirconium oxide fibre 5 parts and yittrium oxide 5 parts,
Coarse aggregate in aggregate, middle aggregate, the parts by weight of fine aggregate be coarse aggregate 25 parts, 45 parts of middle aggregate,
Fine aggregate 30 parts, the particle diameter of coarse aggregate is 4mm, and the particle diameter of middle aggregate is 1.5mm, carefully
The particle diameter of aggregate is 0.9mm.By said ratio, add water after each raw material is weighed companion and, it is thus achieved that stream
The slurry that dynamic property is good, tests physical property after shaped, maintenance and heat treatment.
(2) physical property detection:
After 1100 DEG C × 24h is dried, rupture strength 11.3MPa, compressive resistance 90.4MPa；
After 1500 DEG C × 3H processes, rupture strength 12.4MPa, compressive resistance 96.3MPa.
As described above, only presently preferred embodiments of the present invention, real when the present invention can not be limited with this
The scope executed, the simple equivalence the most generally made according to scope of the present invention patent and invention description content
Change and modification, the most still remain within the scope of the patent.
Claims (2)
1. high-strength corrosion-resistant erosion castable refractory, it is characterised in that: include aggregate, powder, bonding agent,
Zirconium oxide fibre and yittrium oxide, the parts by weight of above-mentioned raw materials are: aggregate 50～60 parts, powder 20～
35 parts, bonding agent 5～6 parts, Zirconium oxide fibre 5～10 parts and yittrium oxide 5～10 parts: wherein, bone
Expecting to be made up of useless electroceramics, useless brick and tile and gangue, powder is by gangue, useless electroceramics, useless brick and tile, Jiao Bao
Stone, silicon powder form, and described bonding agent is aluminate cement, and wherein, aggregate includes coarse aggregate, middle bone
Material, fine aggregate, the particle diameter of coarse aggregate is 3～4mm, and the particle diameter of middle aggregate is 1～1.5mm,
The particle diameter of fine aggregate is 0.09～0.9mm, a length of the 3 of Zirconium oxide fibre～4mm.
High-strength corrosion-resistant the most according to claim 1 erosion castable refractory, it is characterised in that: thick in aggregate
Aggregate, middle aggregate, the parts by weight of fine aggregate are coarse aggregate 25 parts, 45 parts of middle aggregate, fine aggregate 30
Part；Gangue in described powder, useless electroceramics, useless brick and tile, flint clay, the parts by weight of silicon powder are:
Gangue 15 parts, useless electroceramics 25 parts, useless brick and tile 15 parts, flint clay 30 parts, silicon powder 15
Part.
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| CN201410523298.4A CN104311057B (en) | 2014-10-08 | 2014-10-08 | High-strength corrosion-resistant erosion castable refractory |
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| CN201410523298.4A CN104311057B (en) | 2014-10-08 | 2014-10-08 | High-strength corrosion-resistant erosion castable refractory |
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| CN104311057B true CN104311057B (en) | 2016-08-17 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961487B (en) * | 2015-07-04 | 2016-12-14 | 重庆市鑫耀机械厂 | Ferrovanadium dregs-low tension shraff castable refractory |
| CN111138204A (en) * | 2019-12-27 | 2020-05-12 | 江苏国窑科技有限公司 | Acid-resistant quench tower pouring material, preparation method thereof and quench tower |
| CN111039683B (en) * | 2019-12-30 | 2022-08-09 | 长兴兴鹰新型耐火建材有限公司 | Sulfur-alkali-resistant corrosion-resistant wear-resistant castable for waste incineration kiln and preparation process thereof |
| CN112279658B (en) * | 2020-10-24 | 2023-03-14 | 郑州金泰科技特种耐火材料有限公司 | Environment-friendly refractory castable and production process thereof |
| CN112624747A (en) * | 2020-12-31 | 2021-04-09 | 长兴兴鹰新型耐火建材有限公司 | High-strength, corrosion-resistant and scouring-resistant castable for waste incineration kiln and preparation method thereof |
| CN115477544B (en) * | 2022-10-31 | 2023-07-25 | 安徽瑞泰新材料科技有限公司 | Corrosion-resistant refractory material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102838365A (en) * | 2012-09-24 | 2012-12-26 | 通达耐火技术股份有限公司 | High-strength alkali-resisting castable for preparing coal gangue, and method thereof |
| CN103382116A (en) * | 2013-07-12 | 2013-11-06 | 巩义市科恒耐火材料有限公司 | Zirconium-containing high-strength wear-resistant castable |
| CN103553689A (en) * | 2013-11-09 | 2014-02-05 | 宁夏天纵泓光余热发电技术有限公司 | High-strength, alkali-proof and fireproof pouring material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02221164A (en) * | 1989-02-21 | 1990-09-04 | Harima Ceramic Co Ltd | Castable refractory containing silicon carbide |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838365A (en) * | 2012-09-24 | 2012-12-26 | 通达耐火技术股份有限公司 | High-strength alkali-resisting castable for preparing coal gangue, and method thereof |
| CN103382116A (en) * | 2013-07-12 | 2013-11-06 | 巩义市科恒耐火材料有限公司 | Zirconium-containing high-strength wear-resistant castable |
| CN103553689A (en) * | 2013-11-09 | 2014-02-05 | 宁夏天纵泓光余热发电技术有限公司 | High-strength, alkali-proof and fireproof pouring material |
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Effective date of registration: 20210119 Address after: 755000 Shengjin village, Zhenluo Town, Shapotou District, Zhongwei City, Ningxia Hui Autonomous Region Patentee after: Ningxia Shengjin Cement Co., Ltd Address before: 750021 the Ningxia Hui Autonomous Region Yinchuan Xixia Industrial Park Jin Bo South Road Chuangxin crane hospital Patentee before: NINGXIA TIANZONG HONGGUANG COGENERATION TECHNOLOGY Co.,Ltd. |