CN105218120A - A kind of high-strength and high-ductility wear-resistant castable - Google Patents
A kind of high-strength and high-ductility wear-resistant castable Download PDFInfo
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- CN105218120A CN105218120A CN201510730174.8A CN201510730174A CN105218120A CN 105218120 A CN105218120 A CN 105218120A CN 201510730174 A CN201510730174 A CN 201510730174A CN 105218120 A CN105218120 A CN 105218120A
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Abstract
The invention discloses a kind of high-strength and high-ductility wear-resistant castable, containing the aluminate cement that granularity is the alundum aggregate 10 ~ 40% of 8 ~ 3mm, the granularity alundum particle 5 ~ 25% that is 3 ~ 0.1mm, the granularity andaluzite particle 3 ~ 10% that is 1 ~ 0.1mm, granularity be the fused white corundum 5 ~ 15% of 0 ~ 0.044mm, granularity is less than the composite ceramics nano-powder 8 ~ 25%, 3 ~ 10% of 2um, the compound octane promoter of 2 ~ 7%, the composite water-reducing agent of 0.25% and 4 ~ 6% industrial softening water.The present invention is by the formulated inorganic non-metal composite material of high purity aluminium oxide, nano wearproof agent and high-modulus wild phase, additional combined binder, there is the performance of super abrasive, resistance to erosion, acidproof, alkaline-resisting, resistant to sulfur, two bodies, Three-body Abrasive Wear and fatigue wear can be resisted, there is good cavitation performance.What select due to matrix is the good superhard matter high pure raw material of acid-alkali-resistant degree simultaneously, so the present invention can work for a long time under harsh operating mode and alkaline environment.
Description
Technical field:
The present invention relates to a kind of mould material, particularly relate to a kind of high-strength and high-ductility wear-resistant castable used at places such as sinter machine blanking place, rotary kiln discharge ports, there is high-strength wearable, high tenacity, acidproof, alkaline-resisting, sulfur tolerance, belong to smelting industry technical field.
Background technology:
At present, in smelting industry, the sinter machine of various model adopts the frame mode of material abrasive material always at material pouring box position, for a long time due to high yield to the impact at secondary position and wearing and tearing quite serious, need average 2 ~ 4 monthly repairs once, within 12 months, will change Integratively steel construction, frequency of maintenance is frequent, has increased considerably maintenance cost and the production cost of enterprise.
Summary of the invention:
Technical problem to be solved by this invention is: provide a kind of high-strength and high-ductility wear-resistant castable, can use, have high-strength wearable, high tenacity, acidproof, alkaline-resisting, sulfur tolerance in the Thermal Equipments such as sinter machine blanking place, rotary kiln discharge port.
The technical scheme that the present invention takes for technical solution problem is:
A kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm10 ~ 40%
Alundum particle 3 ~ 0.1mm5 ~ 25%
Andaluzite particle 1 ~ 0.1mm3 ~ 10%
Fused white corundum 0 ~ 0.044mm5 ~ 15%
Composite ceramics nano-powder < 2um8 ~ 25%
Aluminate cement 3 ~ 10%
Compound octane promoter 2 ~ 7%
Composite water-reducing agent 0.25%
Industry softening water 4 ~ 6%.
Described compound octane promoter is two or more in water-soluble explosion-proof fiber, Aluctyl, metallic aluminium or Stainless Steel Fibre.
Described composite water-reducing agent is two or more in sodium polyphosphate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, Sodium salts humic acids or water glass.
Positive beneficial effect of the present invention is as follows:
1, the present invention is by the formulated inorganic non-metal composite material of high purity aluminium oxide, nano wearproof agent and high-modulus wild phase, additional combined binder, after this product adds water at the scene and stirs, it is fine and close lining body after vibrating casting is shaping, after maintenance and thermal treatment, low temperature has very high intensity and certain toughness to middle temperature, shock resistance and wear resisting property good.This product has the performance of super abrasive, resistance to erosion, acidproof, alkaline-resisting, resistant to sulfur, can resist two bodies, Three-body Abrasive Wear and fatigue wear, have good cavitation performance.What select due to matrix is the good superhard matter high pure raw material of acid-alkali-resistant degree simultaneously, so this product can work for a long time under harsh operating mode and alkaline environment.
2, the present invention can use in the Thermal Equipments such as sinter machine blanking place, rotary kiln discharge port, and its main physical and chemical index is as follows:
Al
2O
3≥70%
Volume density>=2.8g/cm
3
Folding strength 1100 DEG C × 3h >=14MPa
Compressive strength 1100 DEG C × 3h >=120MPa
Wear-resisting value (sand washing) 110 DEG C × 24h≤4.0cm
3.
3, high-strength and high-ductility wear-resistant castable of the present invention, with 320m
3sinter machine, have that output in the unit time is high, drop is high, impact the characteristics such as large, add up according to my the application achievement of company at present on this type of sinter machine: can carry out that discharging groove transformation is integrated poured, disposable does not repair use and reach more than 12 months, overall use ensured more than 18 months.
Application example of the present invention:
1, Xuanhua Iron And Steel Co., Ltd 360m
2sinter machine adopts the mode of material abrasive material always at material pouring box position, for a long time due to output 15000 tons/day high yield to the impact at secondary position and wearing and tearing quite serious, average 2 ~ 4 monthly repairs once, within 12 months, Integratively steel construction will be changed, its cost also nearly 200000 yuan, frequency of maintenance is frequent, has increased considerably maintenance cost and production cost.
After selecting high-strength and high-ductility wear-resistant castable of the present invention, present Xuanhua Iron And Steel Co., Ltd two 360m sinter machine material pouring box position single use reach more than 18 months, middle without once repairing, according to the analysis of residual thickness, position is minimum still can use 18 months for residue, the present invention is high strength ceramics rapid hardening high-abrasive material, cohesive force is strong, overall performance is good, when using for some time, when local need be repaired, only need remove this position, and then carry out local caburizing, baking can be put into operation at short notice, easy construction, easy to maintenance, greatly reduce production cost and the maintenance cost of enterprise.
2, the pellet ore rotary kiln that Wuhan Iron and Steel Plant Mining Group uses is one of pellet Thermal Equipment of largest domestic, use sizing to fire goods for a long time always, kiln tail bit just needs to stop maintenance 2 ~ March in production and application, after selecting high-strength and high-ductility wear-resistant castable of the present invention, this position single use reaches 14 months, middle without once repairing, according to the analysis of residual thickness, residue position still can use more than 14 months.
Embodiment:
Below in conjunction with specific embodiment, the present invention is made further explanation and description:
Embodiment 1: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm10%
Alundum particle 3 ~ 0.1mm25%
Andaluzite particle 1 ~ 0.1mm10%
Fused white corundum 0 ~ 0.044mm15%
Composite ceramics nano-powder < 2um20%
Aluminate cement 8.75%
Compound octane promoter 7%
Composite water-reducing agent 0.25%
Industry softening water 4%.
Described compound octane promoter is the mixture of water-soluble explosion-proof fiber and these two kinds of materials of Aluctyl, and the mixture part by weight of the two is 1:1.
Described composite water-reducing agent is the mixture of sodium polyphosphate and these two kinds of materials of Sodium salts humic acids, and the mixture part by weight of the two is 2:1.
Embodiment 2: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm40%
Alundum particle 3 ~ 0.1mm5%
Andaluzite particle 1 ~ 0.1mm5%
Fused white corundum 0 ~ 0.044mm10%
Composite ceramics nano-powder < 2um20%
Aluminate cement 10%
Compound octane promoter 3.75%
Composite water-reducing agent 0.25%
Industry softening water 6%.
Described compound octane promoter is the mixture of water-soluble explosion-proof fiber and these two kinds of materials of metallic aluminium, and the mixture part by weight of the two is 1:1.5.
Described composite water-reducing agent is the mixture of sodium polyphosphate and these two kinds of materials of water glass, and the mixture part by weight of the two is 1:1.5.
Embodiment 3: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm20%
Alundum particle 3 ~ 0.1mm20%
Andaluzite particle 1 ~ 0.1mm5%
Fused white corundum 0 ~ 0.044mm10%
Composite ceramics nano-powder < 2um25%
Aluminate cement 8%
Compound octane promoter 6%
Composite water-reducing agent 0.25%
Industry softening water 5.75%.
Described compound octane promoter is the mixture of Aluctyl and these two kinds of materials of Stainless Steel Fibre, and the mixture part by weight of the two is 1:2.5.
Described composite water-reducing agent is the mixture of tripoly phosphate sodium STPP and these two kinds of materials of water glass, and the mixture part by weight of the two is 1.5:1.
Embodiment 4: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm30%
Alundum particle 3 ~ 0.1mm20.75%
Andaluzite particle 1 ~ 0.1mm5%
Fused white corundum 0 ~ 0.044mm10%
Composite ceramics nano-powder < 2um24%
Aluminate cement 4%
Compound octane promoter 2%
Composite water-reducing agent 0.25%
Industry softening water 4%.
Described compound octane promoter is the mixture of metallic aluminium or these two kinds of materials of Stainless Steel Fibre, and the mixture part by weight of the two is 1:2.
Described composite water-reducing agent is the mixture of tripoly phosphate sodium STPP and these two kinds of materials of Sodium salts humic acids, and the mixture part by weight of the two is 4:2.
Embodiment 5: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm25%
Alundum particle 3 ~ 0.1mm15%
Andaluzite particle 1 ~ 0.1mm6%
Fused white corundum 0 ~ 0.044mm12%
Composite ceramics nano-powder < 2um25%
Aluminate cement 9.75%
Compound octane promoter 7%
Composite water-reducing agent 0.25%
Industry softening water 5%.
Described compound octane promoter is the mixture of these three kinds of materials in water-soluble explosion-proof fiber, Aluctyl and Stainless Steel Fibre, and the mixture part by weight of three is 1:2:2.
Described composite water-reducing agent is the mixture of these three kinds of materials in sodium polyphosphate, Sodium hexametaphosphate 99 and water glass, and the mixture part by weight of three is 2:1:2.
Embodiment 6: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm35%
Alundum particle 3 ~ 0.1mm20%
Andaluzite particle 1 ~ 0.1mm5%
Fused white corundum 0 ~ 0.044mm10%
Composite ceramics nano-powder < 2um10%
Aluminate cement 10%
Compound octane promoter 5.25%
Composite water-reducing agent 0.25%
Industry softening water 4.5%.
Described compound octane promoter is the mixture of water-soluble explosion-proof fiber, metallic aluminium and these three kinds of materials of Stainless Steel Fibre, and the mixture part by weight of three is 1:2:1.
Described composite water-reducing agent is the mixture of these three kinds of materials of sodium polyphosphate, tripoly phosphate sodium STPP and water glass, and the mixture part by weight of three is 2:1:1.
Embodiment 7: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm18%
Alundum particle 3 ~ 0.1mm17%
Andaluzite particle 1 ~ 0.1mm5%
Fused white corundum 0 ~ 0.044mm15%
Composite ceramics nano-powder < 2um25%
Aluminate cement 10%
Compound octane promoter 5%
Composite water-reducing agent 0.25%
Industry softening water 4.75%.
Described compound octane promoter is the mixture of these three kinds of materials of Aluctyl, metallic aluminium and Stainless Steel Fibre, and the mixture part by weight of three is 1:1:3.
Described composite water-reducing agent is the mixture of these three kinds of materials of tripoly phosphate sodium STPP, Sodium hexametaphosphate 99 and water glass, and the mixture part by weight of three is 3:2:4.
Embodiment 8: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm33.75%
Alundum particle 3 ~ 0.1mm16%
Andaluzite particle 1 ~ 0.1mm10%
Fused white corundum 0 ~ 0.044mm10%
Composite ceramics nano-powder < 2um10%
Aluminate cement 10%
Compound octane promoter 5.5%
Composite water-reducing agent 0.25%
Industry softening water 4.5%.
Described compound octane promoter is the mixture of water-soluble explosion-proof fiber, Aluctyl and these three kinds of materials of metallic aluminium, and the mixture part by weight of three is 3:1:1.
Described composite water-reducing agent is the mixture of these three kinds of materials of sodium polyphosphate, Sodium hexametaphosphate 99 and Sodium salts humic acids, and the mixture part by weight of three is 1:1.5:2.
Embodiment 9: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm30%
Alundum particle 3 ~ 0.1mm9.75%
Andaluzite particle 1 ~ 0.1mm10%
Fused white corundum 0 ~ 0.044mm15%
Composite ceramics nano-powder < 2um25%
Aluminate cement 10%
Compound octane promoter 5%
Composite water-reducing agent 0.25%
Industry softening water 5%.
Described compound octane promoter is the mixture of water-soluble explosion-proof fiber, metallic aluminium and these three kinds of materials of Stainless Steel Fibre, and the mixture part by weight of three is 2:2:1.
Described composite water-reducing agent is the mixture of these three kinds of materials of Sodium hexametaphosphate 99, Sodium salts humic acids and water glass, and the mixture part by weight of three is 2:3:2.
Embodiment 10: a kind of high-strength and high-ductility wear-resistant castable, containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm25%
Alundum particle 3 ~ 0.1mm15%
Andaluzite particle 1 ~ 0.1mm9%
Fused white corundum 0 ~ 0.044mm11%
Composite ceramics nano-powder < 2um24%
Aluminate cement 7%
Compound octane promoter 3.75%
Composite water-reducing agent 0.25%
Industry softening water 5%.
Described compound octane promoter is the mixture of water-soluble explosion-proof fiber, metallic aluminium and these three kinds of materials of Stainless Steel Fibre, and the mixture part by weight of three is 1:3:1.
Described composite water-reducing agent is the mixture of these three kinds of materials of tripoly phosphate sodium STPP, Sodium salts humic acids or water glass, and the mixture part by weight of three is 3:1.5:1.5.
The above, be only preferred embodiment of the present invention, and be not used to limit scope of the present invention, and the above embodiment of the present invention can also make a variety of changes.Namely every claims according to the present patent application and description are done simple, equivalence change and modify, and all fall into the claims of patent of the present invention.The not detailed description of the present invention be routine techniques content.
Claims (3)
1. a high-strength and high-ductility wear-resistant castable, is characterized in that, described high-strength and high-ductility wear-resistant castable is containing, for example lower feed composition:
Raw material granularity distributed weight per-cent
Alundum aggregate 8 ~ 3mm10 ~ 40%
Alundum particle 3 ~ 0.1mm5 ~ 25%
Andaluzite particle 1 ~ 0.1mm3 ~ 10%
Fused white corundum 0 ~ 0.044mm5 ~ 15%
Composite ceramics nano-powder < 2um8 ~ 25%
Aluminate cement 3 ~ 10%
Compound octane promoter 2 ~ 7%
Composite water-reducing agent 0.25%
Industry softening water 4 ~ 6%.
2. anticorrosion heatproof and shockproof ceramic high-abrasive material according to claim 1, is characterized in that: described compound octane promoter is two or more in water-soluble explosion-proof fiber, Aluctyl, metallic aluminium or Stainless Steel Fibre.
3. high-strength and high-ductility wear-resistant castable according to claim 1, is characterized in that: described composite water-reducing agent is two or more in sodium polyphosphate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, Sodium salts humic acids or water glass.
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| CN201510730174.8A CN105218120A (en) | 2015-11-02 | 2015-11-02 | A kind of high-strength and high-ductility wear-resistant castable |
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| CN201510730174.8A CN105218120A (en) | 2015-11-02 | 2015-11-02 | A kind of high-strength and high-ductility wear-resistant castable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434387A (en) * | 2017-08-07 | 2017-12-05 | 北京东峰兴达耐火材料有限公司 | Explosion-proof heat resistance concrete |
| CN109020518A (en) * | 2018-08-23 | 2018-12-18 | 安徽瑞泰新材料科技有限公司 | Quick service castable and preparation method thereof is split in a kind of antiknock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240125A (en) * | 2008-02-04 | 2008-08-13 | 洛阳科耐高温材料有限公司 | High-temperature wearable composite dope for electric power boiler flue |
| CN101691305A (en) * | 2009-10-01 | 2010-04-07 | 中钢集团洛阳耐火材料研究院有限公司 | Corundum-mullite ceramics cast product and method for preparing same |
| CN103803993A (en) * | 2014-01-08 | 2014-05-21 | 长兴明晟冶金炉料有限公司 | Self-flow castable of corundum |
| CN104193371A (en) * | 2014-08-29 | 2014-12-10 | 长兴兴鹰新型耐火建材有限公司 | Kilneye castable and preparation method thereof |
-
2015
- 2015-11-02 CN CN201510730174.8A patent/CN105218120A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240125A (en) * | 2008-02-04 | 2008-08-13 | 洛阳科耐高温材料有限公司 | High-temperature wearable composite dope for electric power boiler flue |
| CN101691305A (en) * | 2009-10-01 | 2010-04-07 | 中钢集团洛阳耐火材料研究院有限公司 | Corundum-mullite ceramics cast product and method for preparing same |
| CN103803993A (en) * | 2014-01-08 | 2014-05-21 | 长兴明晟冶金炉料有限公司 | Self-flow castable of corundum |
| CN104193371A (en) * | 2014-08-29 | 2014-12-10 | 长兴兴鹰新型耐火建材有限公司 | Kilneye castable and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434387A (en) * | 2017-08-07 | 2017-12-05 | 北京东峰兴达耐火材料有限公司 | Explosion-proof heat resistance concrete |
| CN107434387B (en) * | 2017-08-07 | 2019-11-05 | 北京东峰兴达耐火材料有限公司 | Explosion-proof heat resistance concrete |
| CN109020518A (en) * | 2018-08-23 | 2018-12-18 | 安徽瑞泰新材料科技有限公司 | Quick service castable and preparation method thereof is split in a kind of antiknock |
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Application publication date: 20160106 |