CN101492300A - Superpower wear-resistant pouring material - Google Patents
Superpower wear-resistant pouring material Download PDFInfo
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- CN101492300A CN101492300A CNA2009100956828A CN200910095682A CN101492300A CN 101492300 A CN101492300 A CN 101492300A CN A2009100956828 A CNA2009100956828 A CN A2009100956828A CN 200910095682 A CN200910095682 A CN 200910095682A CN 101492300 A CN101492300 A CN 101492300A
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Abstract
The invention discloses castable with ultrahigh wear resistance. The castable comprises the following components in percentage by weight: 4 to 25 percent of high alumina clinker (d is more than 5 mm, and less than or equal to 8 mm ), 24 to 25 percent of high alumina clinker (d is more than 3 mm, and less than or equal to 5 mm), 12 to 13 percent of high alumina clinker (d is more than 1 mm, and less than or equal to 3 mm), 23 to 25 percent of high alumina clinker (d is less than 0.074 mm), 2 to 4 percent of rho-Al2O3 micropowder (d is less than 5 um), 4 to 6 percent of silicon oxide micropowder (d is less than 1 um), 8 to 9 percent of pure calcium aluminate cement (d is less than 0.074 mm), 0.07 to 0.09 percent of sodium tripolyphosphate (d is less than 0.2 mm), 0.06 to 0.08 percent of sodium hexametahposphate (d is less than 0.2 mm ), and 1.87 to 3.83 percent of heat-resisting steel fiber. Because of the selection of the raw materials with high alumina content, the alumina content of a product is more than or equal to 75 percent. The castable has the advantages of good high-temperature resistance, strong erosion-resisting capability, long life service time and applicability to the inner walls, furnace dense phase, water-cool wind chambers, ignition wind channels and the positions with serious erosion wear of boiler cyclone separators of circulating fluidized beds of power plants.
Description
Technical field
The present invention relates to a kind of refractory materials, specifically is superpower wear-resistant pouring material.
Background technology
The prescription of present common high alumina castable is single, its raw material is that high alumina adds high alumina cement, alumina content is 45～55% in the product, because it does not add wear-resisting composition, there is not acceleration of sintering to add composition, so can only satisfy general requirement, high thermal resistance is poor, corrosion resistance is low, and duration of service is short, can only use 6 months at most.
Summary of the invention
It is good that technical problem to be solved by this invention provides a kind of resistance to elevated temperatures, and corrosion resistance is strong, the superpower wear-resistant pouring material that duration of service is long.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: superpower wear-resistant pouring material, comprise following component, and the weight percent of each component is:
The high alumina 14-25% of 5mm＜particle diameter d≤8mm
The high alumina 24-25% of 3mm＜particle diameter d≤5mm
The high alumina 12-13% of 1mm＜particle diameter d≤3mm
The high alumina 23-25% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 2-4%
The ultrafine silica powder 4-6% of particle diameter d＜1um
The pure calcium aluminate cement 8-9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07-0.09% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06-0.08% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87-3.83%.
As preferably, the weight percent of each component is:
The high alumina 20% of 5mm＜particle diameter d≤8mm
The high alumina 25% of 3mm＜particle diameter d≤5mm
The high alumina 13% of 1mm＜particle diameter d≤3mm
The high alumina 23% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 3%
The ultrafine silica powder 5% of particle diameter d＜1um
The pure calcium aluminate cement 9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87%.
As preferably, the weight percent of each component is:
The high alumina 20% of 5mm＜particle diameter d≤8mm
The high alumina 24% of 3mm＜particle diameter d≤5mm
The high alumina 12% of 1mm＜particle diameter d≤3mm
The high alumina 24% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 3%
The ultrafine silica powder 5% of particle diameter d＜1um
The pure calcium aluminate cement 8% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.09% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.08% of particle diameter d＜0.2mm
Heat-resistant steel fiber 3.83%.
As preferably, the weight percent of each component is:
The high alumina 21% of 5mm＜particle diameter d≤8mm
The high alumina 24% of 3mm＜particle diameter d≤5mm
The high alumina 13% of 1mm＜particle diameter d≤3mm
The high alumina 25% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 2%
The ultrafine silica powder 4% of particle diameter d＜1um
The pure calcium aluminate cement 9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87%.
Main component Al in the described high alumina
2O
3Weight percent 〉=80%, to improve the resistance to elevated temperatures of product.
ρ-Al of described particle diameter d＜5um
2O
3Main component Al in the micro mist
2O
3Weight percent 〉=97%, to improve product use temperature and corrosion resistance.
Main component SiO in the ultrafine silica powder of described particle diameter d＜1um
2Weight percent 〉=92%, with acceleration of sintering, improve corrosion resistance.
The present invention selects the raw material of high alumina content for use owing to adopted technique scheme, the alumina content of finished product 〉=75%, and resistance to elevated temperatures is good, and corrosion resistance is strong, and duration of service is long, generally can use 1 year, reaches as high as 2 years.Be applicable to the inwall of power plant's circulating fluidized bed boiler cyclonic separator, the close phase place of burner hearth, water cooled wind chamber, the logical and serious position of erosive wear of some windburn.
Superpower wear-resistant pouring material of the present invention has added ρ-Al in raw material
2O
3Micro mist, ρ-Al
2O
3Be a kind of activated alumina product, can effectively improve the resistance to elevated temperatures of mould material.Use the fine aluminium acid salt cement to make wedding agent, because the purity of fine aluminium acid salt cement aluminum content and main hydraulicity material aluminate thereof is higher than high-alumina cement, so its bonding strength is bigger than high-alumina cement.
Embodiment
Embodiment one
Superpower wear-resistant pouring material comprises following component, and the weight percent of each component is:
The high alumina 20% of 5mm＜particle diameter d≤8mm
The high alumina 25% of 3mm＜particle diameter d≤5mm
The high alumina 13% of 1mm＜particle diameter d≤3mm
The high alumina 23% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 3%
The ultrafine silica powder 5% of particle diameter d＜1um
The pure calcium aluminate cement 9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87%.
Embodiment two
Superpower wear-resistant pouring material comprises following component, and the weight percent of each component is:
The high alumina 20% of 5mm＜particle diameter d≤8mm
The high alumina 24% of 3mm＜particle diameter d≤5mm
The high alumina 12% of 1mm＜particle diameter d≤3mm
The high alumina 24% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 3%
The ultrafine silica powder 5% of particle diameter d＜1um
The pure calcium aluminate cement 8% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.09% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.08% of particle diameter d＜0.2mm
Heat-resistant steel fiber 3.83%.
Embodiment three
Superpower wear-resistant pouring material comprises following component, and the weight percent of each component is:
The high alumina 21% of 5mm＜particle diameter d≤8mm
The high alumina 24% of 3mm＜particle diameter d≤5mm
The high alumina 13% of 1mm＜particle diameter d≤3mm
The high alumina 25% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 2%
The ultrafine silica powder 4% of particle diameter d＜1um
The pure calcium aluminate cement 9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87%.
Wherein, main component Al in the described high alumina
2O
3Weight percent 〉=80%, ρ-Al of described particle diameter d＜5um
2O
3Main component Al in the micro mist
2O
3Weight percent 〉=97%, main component SiO in the ultrafine silica powder of described particle diameter d＜1um
2Weight percent 〉=92%, main component Al in the pure calcium aluminate cement of described particle diameter d＜0.074mm
2O
3Weight percent 〉=71%.
Test shows, good (the 110 ℃ of wear-resisting amount＜1.7cm of oven dry of this superpower wear-resistant pouring material finished product wear resistance
3, wear-resisting amount＜3.5cm after 1100 ℃ of burnings
3), good thermal-shock resistance (not bursting flawless after the demoulding under 900 ℃ temperature) is arranged, have good use properties.
Claims (7)
1. superpower wear-resistant pouring material, it is characterized in that: comprise following component, the weight percent of each component is:
The high alumina 14-25% of 5mm＜particle diameter d≤8mm
The high alumina 24-25% of 3mm＜particle diameter d≤5mm
The high alumina 12-13% of 1mm＜particle diameter d≤3mm
The high alumina 23-25% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 2-4%
The ultrafine silica powder 4-6% of particle diameter d＜1um
The pure calcium aluminate cement 8-9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07-0.09% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06-0.08% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87-3.83%.
2. according to the described superpower wear-resistant pouring material of claim 1, it is characterized in that: comprise following component, the weight percent of each component is:
The high alumina 20% of 5mm＜particle diameter d≤8mm
The high alumina 25% of 3mm＜particle diameter d≤5mm
The high alumina 13% of 1mm＜particle diameter d≤3mm
The high alumina 23% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 3%
The ultrafine silica powder 5% of particle diameter d＜1um
The pure calcium aluminate cement 9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87%.
3. according to the described superpower wear-resistant pouring material of claim 1, it is characterized in that: comprise following component, the weight percent of each component is:
The high alumina 20% of 5mm＜particle diameter d≤8mm
The high alumina 24% of 3mm＜particle diameter d≤5mm
The high alumina 12% of 1mm＜particle diameter d≤3mm
The high alumina 24% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 3%
The ultrafine silica powder 5% of particle diameter d＜1um
The pure calcium aluminate cement 8% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.09% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.08% of particle diameter d＜0.2mm
Heat-resistant steel fiber 3.83%.
4. according to the described superpower wear-resistant pouring material of claim 1, it is characterized in that: comprise following component, the weight percent of each component is:
The high alumina 21% of 5mm＜particle diameter d≤8mm
The high alumina 24% of 3mm＜particle diameter d≤5mm
The high alumina 13% of 1mm＜particle diameter d≤3mm
The high alumina 25% of particle diameter d＜0.074mm
ρ-Al of particle diameter d＜5um
2O
3Micro mist 2%
The ultrafine silica powder 4% of particle diameter d＜1um
The pure calcium aluminate cement 9% of particle diameter d＜0.074mm
The tripoly phosphate sodium STPP 0.07% of particle diameter d＜0.2mm
The Sodium hexametaphosphate 99 0.06% of particle diameter d＜0.2mm
Heat-resistant steel fiber 1.87%.
5. according to the described superpower wear-resistant pouring material of claim 1, it is characterized in that: main component Al in the described high alumina
2O
3Weight percent 〉=80%.
6. according to the described superpower wear-resistant pouring material of claim 1, it is characterized in that: ρ-Al of described particle diameter d＜5um
2O
3Main component Al in the micro mist
2O
3Weight percent 〉=97%.
7. according to the described superpower wear-resistant pouring material of claim 1, it is characterized in that: main component SiO in the ultrafine silica powder of described particle diameter d＜1um
2Weight percent 〉=92%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100956828A CN101492300A (en) | 2009-01-15 | 2009-01-15 | Superpower wear-resistant pouring material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100956828A CN101492300A (en) | 2009-01-15 | 2009-01-15 | Superpower wear-resistant pouring material |
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| Publication Number | Publication Date |
|---|---|
| CN101492300A true CN101492300A (en) | 2009-07-29 |
Family
ID=40923113
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|---|---|---|---|
| CNA2009100956828A Pending CN101492300A (en) | 2009-01-15 | 2009-01-15 | Superpower wear-resistant pouring material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584257A (en) * | 2011-10-26 | 2012-07-18 | 宜兴市顺星耐磨浇注材料厂 | Pouring material for sunk fence and preparation method thereof |
| CN103396126A (en) * | 2013-07-16 | 2013-11-20 | 安徽瑞泰新材料科技有限公司 | Refractory castable and using method thereof |
| CN104446268A (en) * | 2014-10-31 | 2015-03-25 | 河南省新密市东州耐火材料有限公司 | Steel fiber castable for torpedo ladle opening |
| CN107382346A (en) * | 2017-08-18 | 2017-11-24 | 宜兴市张泽浇注耐火材料有限公司 | Fire-resistant abrasion-proof pouring material and preparation method |
| CN108530040A (en) * | 2017-03-02 | 2018-09-14 | 上海安可科技股份有限公司 | Castable refractory and ladle baking burner for ladle baking burner |
| CN108610027A (en) * | 2018-07-16 | 2018-10-02 | 武汉科技大学 | A kind of high-performance cement combination castable and preparation method thereof |
| CN110963809A (en) * | 2019-12-16 | 2020-04-07 | 江苏诺明高温材料股份有限公司 | Preparation method of Al4Si4C-Al2O3 refractory castable |
-
2009
- 2009-01-15 CN CNA2009100956828A patent/CN101492300A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584257A (en) * | 2011-10-26 | 2012-07-18 | 宜兴市顺星耐磨浇注材料厂 | Pouring material for sunk fence and preparation method thereof |
| CN103396126A (en) * | 2013-07-16 | 2013-11-20 | 安徽瑞泰新材料科技有限公司 | Refractory castable and using method thereof |
| CN103396126B (en) * | 2013-07-16 | 2016-04-13 | 安徽瑞泰新材料科技有限公司 | A kind of refractory castable and using method thereof |
| CN104446268A (en) * | 2014-10-31 | 2015-03-25 | 河南省新密市东州耐火材料有限公司 | Steel fiber castable for torpedo ladle opening |
| CN108530040A (en) * | 2017-03-02 | 2018-09-14 | 上海安可科技股份有限公司 | Castable refractory and ladle baking burner for ladle baking burner |
| CN107382346A (en) * | 2017-08-18 | 2017-11-24 | 宜兴市张泽浇注耐火材料有限公司 | Fire-resistant abrasion-proof pouring material and preparation method |
| CN107382346B (en) * | 2017-08-18 | 2019-12-13 | 宜兴市张泽浇注耐火材料有限公司 | refractory wear-resistant pouring material and preparation method thereof |
| CN108610027A (en) * | 2018-07-16 | 2018-10-02 | 武汉科技大学 | A kind of high-performance cement combination castable and preparation method thereof |
| CN108610027B (en) * | 2018-07-16 | 2021-09-24 | 武汉科技大学 | High-performance cement-bonded castable and preparation method thereof |
| CN110963809A (en) * | 2019-12-16 | 2020-04-07 | 江苏诺明高温材料股份有限公司 | Preparation method of Al4Si4C-Al2O3 refractory castable |
| CN110963809B (en) * | 2019-12-16 | 2022-05-17 | 江苏诺明高温材料股份有限公司 | Preparation method of Al4Si4C-Al2O3 refractory castable |
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Application publication date: 20090729 |