CN105712709A - High-abrasion-resistant plastic refractory for electric power industry - Google Patents
High-abrasion-resistant plastic refractory for electric power industry Download PDFInfo
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- CN105712709A CN105712709A CN201610076065.3A CN201610076065A CN105712709A CN 105712709 A CN105712709 A CN 105712709A CN 201610076065 A CN201610076065 A CN 201610076065A CN 105712709 A CN105712709 A CN 105712709A
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Abstract
The invention discloses a high-abrasion-resistant plastic refractory for an electric power industry.The high-abrasion-resistant plastic refractory is prepared from, by weight, 15%-25% of alumina of which the particle size is larger than or equal to 3 mm and smaller than or equal to 5 mm, 25%-35% of alumina of which the particle size is larger than 1 mm and smaller than 3 mm, 3%-10% of alumina of which the particle size is larger than zero and smaller than or equal to 1 mm, 5%-15% of alumina of which the particle size is 60 meshes, 6%-17% of alumina of which the particle size is 220 meshes, 5%-15% of tabular corundum of which the particle size is larger than zero and smaller than or equal to 1 mm, 1%-8% of Si3N4 powder of which the particle size is 100 meshes, 5%-12% of alumina micro powder of which the particle size is larger than or equal to 1000 meshes and smaller than or equal to 1500 meshes, 0.5%-4% of magnesia-alumina spinel powder of which the particle size is 100 meshes, 2%-8% of forsterite of which the particle size is 150 meshes and 6%-8% of aluminum dihydrogen phosphate solution.
Description
Technical field
The present invention relates to moldable, a kind of power industry high abrasion is moldable.
Background technology
The moldable employing pure calcium aluminate cement of tradition makees accelerator for hardening, and firm time is moderate, promotees the most respond well, but is introduced into fine aluminium
Have also been introduced other eutectic phase while acid calcium cement, reduce moldable high-temperature behavior；In order to change pure calcium aluminate cement
Promoting hard inferior position, research worker utilizes the excellent high performance of MgO, introduces magnesia and makees accelerator for hardening, improves moldable high temperatures
Can, but magnesia cooks accelerator for hardening, and response speed is the fastest, it is difficult to and controlling firm time, bad construction, percent defective is high, increases cost.
Summary of the invention
The technical problem to be solved is:
The most how to reduce the response speed of moldable each composition, delay firm time, and firm time is moderate, it is easy to construction；
The most how to improve moldable at high temperature opposing physics and the performance of chemical erosion, extend moldable service life；
The most how to improve moldable volume stability.
In order to solve above-mentioned technical problem, it is moldable that the present invention proposes a kind of power industry high abrasion, moldable including high abrasion,
Its weight percent composition includes: the Alumina of 3mm≤granular size≤5mm: the Alumina of 15-25%, 1mm ＜ granular size ＜ 3mm:
25-35%, the Alumina of 0 ＜ granular size≤1mm: 3-10%, granular size is the Alumina of 60 mesh: 5-15%, and granular size is
The Alumina of 220 mesh: 6-17%, the plate diamond spar of 0 ＜ granular size≤1mm: 5-15%, granular size is the Si of 100 mesh3N4
Powder: 1-8%, the alumina powder of 1000 mesh≤granular size≤1500 mesh: 5-12%, granular size is the magnalium point of 100 mesh
Spar powder: 0.5-4%, granular size is the forsterite of 150 mesh: 2-8%, phosphate dihydrogen aluminum solution: 6-8%.
So, the present invention use compound accelerator for hardening (include the magnesium aluminium spinel powder that granular size is 100 mesh: 0.5-4% and
Grain size is the forsterite of 150 mesh: 2-8%), after introducing magnesium aluminate spinel and forsterite, utilize the active MgO that it contains
Composition, slowly discharges, and can realize reducing response speed, delay the effect of firm time, promote aluminium dihydrogen phosphate to be just slowly formed
Salt and make moldable hardening, produce intensity, firm time is moderate, it is easy to construction, also improve moldable high-temperature behavior simultaneously；
Moldable composition introduces Si3N4Powder, utilizes its excellent high-temperature behavior and anti-wear performance, improves and moldable at high temperature resists thing
Reason and the performance of chemical erosion, can extend moldable service life.
The technical scheme that the present invention limits further is:
Aforesaid power industry high abrasion is moldable, the Al in the Alumina of all variable grain sizes2O3Content is all higher than being equal to
80%, in described phosphate dihydrogen aluminum solution, the proportion of aluminium dihydrogen phosphate is 1.85.
Aforesaid power industry high abrasion is moldable, and its weight percent composition includes: the Alumina of 3mm≤granular size≤5mm:
The Alumina of 16%, 1mm ＜ granular size ＜ 3mm: 25%, the Alumina of 0 ＜ granular size≤1mm: 6%, granular size is 60 mesh
Alumina: 7%, granular size is the Alumina of 220 mesh: 11%, and the plate diamond spar of 0 ＜ granular size≤1mm: 10%, granule is big
Little is the Si of 100 mesh3N4Powder: 3%, the alumina powder of 1000 mesh≤granular size≤1500 mesh: 7%, granular size is 100
Purpose magnesium aluminium spinel powder: 3%, granular size is the forsterite of 150 mesh: 4%, phosphate dihydrogen aluminum solution: 8%.
Aforesaid power industry high abrasion is moldable, and its weight percent composition includes: the Alumina of 3mm≤granular size≤5mm:
The Alumina of 25%, 1mm ＜ granular size ＜ 3mm: 25%, the Alumina of 0 ＜ granular size≤1mm: 5%, granular size is 60 mesh
Alumina: 7%, granular size is the Alumina of 220 mesh: 8%, the plate diamond spar of 0 ＜ granular size≤1mm: 6%, granular size
It is the Si of 100 mesh3N4Powder: 3%, the alumina powder of 1000 mesh≤granular size≤1500 mesh: 9%, granular size is 100
Purpose magnesium aluminium spinel powder: 1%, granular size is the forsterite of 150 mesh: 5%, phosphate dihydrogen aluminum solution: 6%.
Aforesaid power industry high abrasion is moldable, and its weight percent composition includes: the Alumina of 3mm≤granular size≤5mm:
The Alumina of 15%, 1mm ＜ granular size ＜ 3mm: 25%, the Alumina of 0 ＜ granular size≤1mm: 3%, granular size is 60 mesh
Alumina: 5%, granular size is the Alumina of 220 mesh: 6%, and the plate diamond spar of 0 ＜ granular size≤1mm: 15%, granule is big
Little is the Si of 100 mesh3N4Powder: 8%, the alumina powder of 1000 mesh≤granular size≤1500 mesh: 6%, granular size is 100
Purpose magnesium aluminium spinel powder: 2%, granular size is the forsterite of 150 mesh: 8%, phosphate dihydrogen aluminum solution: 7%.
In order to improve moldable volume stability, the moldable component of the present invention volume stabilizer, volume stabilizer are also added with
Addition is the 0.5-1.5% of described moldable gross weight, and volume stabilizer is made up of with compound B compound A, compound A
It is 1:1～3:1 with the weight proportion of compound B；
Compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 5-7 part, bisphenol A type epoxy resin:
11-13 part, compound rare-earth: 0.2-0.5 part；
Compound rare-earth includes following components according to the mass fraction: La:10-15 part, Y:16-18 part, Sc:10-15 part, Gd:
8-10 part, Sm:10-13 part, Pr:8-12 part；
Compound B includes following components according to the mass fraction: modified epoxy: 5-7 part, acrylic resin: 7-9 part.
So, the moldable component of the present invention with the addition of volume stabilizer, reduce the moldable volume using in hot conditions and producing
Change so that it is change in volume controls, ± 0.2%, to substantially increase the globality after moldable construction, is conducive to extending the use longevity
Life.
The invention has the beneficial effects as follows: use compound accelerator for hardening, introduce magnesium aluminate spinel and forsterite, utilize the work that it contains
Property MgO composition, slowly discharge, can realize reduce response speed, delay the effect of firm time, promote aluminium dihydrogen phosphate slow
Forming normal salt and make moldable hardening, produce intensity, firm time is moderate, it is easy to construction, also improves moldable height simultaneously
Warm nature energy, and substrate introduces Si3N4Powder, utilizes its excellent high-temperature behavior and anti-wear performance, improve moldable at high temperature
Opposing physics and the performance of chemical erosion, can extend moldable service life, and the preparation technology of employing is the most simple to operate, matter
Amount is stable, and production efficiency is high, and the cycle is short；The another moldable component of the present invention with the addition of volume stabilizer, thus improve plastic
The volume stability of material.
Detailed description of the invention
The present invention is described in further detail below:
Embodiment 1
A kind of power industry high abrasion that the present embodiment provides is moldable, moldable including high abrasion, its weight percent composition
Including: the Alumina of 3mm≤granular size≤5mm: the Alumina of 16%, 1mm ＜ granular size ＜ 3mm: 25%, 0 ＜ granular size
The Alumina of≤1mm: 6%, granular size is the Alumina of 60 mesh: 7%, and granular size is the Alumina of 220 mesh: 11%, 0 ＜ granule
The plate diamond spar of size≤1mm: 10%, granular size is the Si of 100 mesh3N4Powder: 3%, 1000 mesh≤granular size≤1500
Purpose alumina powder: 7%, granular size is the magnesium aluminium spinel powder of 100 mesh: 3%, and granular size is the magnesium Fructus Canarii albi of 150 mesh
Stone: 4%, phosphate dihydrogen aluminum solution: 8%；The wherein Al in the Alumina of all variable grain sizes in the present embodiment2O3Content is the biggest
In equal to 80%, in phosphate dihydrogen aluminum solution, the proportion of aluminium dihydrogen phosphate is 1.85.
Embodiment 2
A kind of power industry high abrasion that the present embodiment provides is moldable, moldable including high abrasion, its weight percent composition
Including: the Alumina of 3mm≤granular size≤5mm: the Alumina of 25%, 1mm ＜ granular size ＜ 3mm: 25%, 0 ＜ granular size
The Alumina of≤1mm: 5%, granular size is the Alumina of 60 mesh: 7%, and granular size is the Alumina of 220 mesh: 8%, 0 ＜ granule
The plate diamond spar of size≤1mm: 6%, granular size is the Si of 100 mesh3N4Powder: 3%, 1000 mesh≤granular size≤1500
Purpose alumina powder: 9%, granular size is the magnesium aluminium spinel powder of 100 mesh: 1%, and granular size is the magnesium Fructus Canarii albi of 150 mesh
Stone: 5%, phosphate dihydrogen aluminum solution: 6%.
Embodiment 3
A kind of power industry high abrasion that the present embodiment provides is moldable, and its weight percent composition includes: 3mm≤granular size
The Alumina of≤5mm: the Alumina of 15%, 1mm ＜ granular size ＜ 3mm: 25%, the Alumina of 0 ＜ granular size≤1mm: 3%,
Grain size is the Alumina of 60 mesh: 5%, and granular size is the Alumina of 220 mesh: 6%, the plate diamond spar of 0 ＜ granular size≤1mm:
15%, granular size is the Si of 100 mesh3N4Powder: 8%, the alumina powder of 1000 mesh≤granular size≤1500 mesh: 6%,
Grain size is the magnesium aluminium spinel powder of 100 mesh: 2%, and granular size is the forsterite of 150 mesh: 8%, phosphate dihydrogen aluminum solution:
7%.
Embodiment 4
The present embodiment has been also added with volume stabilizer, volume stabilizer addition on the basis of embodiment one in moldable component
For the 0.5% of described moldable gross weight, volume stabilizer is made up of with compound B compound A, compound A and compound B
Weight proportion be 1:1；
Compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 5 parts, bisphenol A type epoxy resin:
11 parts, compound rare-earth: 0.2 part；
Compound rare-earth includes following components according to the mass fraction: La:10 part, Y:16 part, Sc:10 part, Gd:8 part, Sm:
10 parts, Pr:8 part；
Compound B includes following components according to the mass fraction: modified epoxy: 5 parts, acrylic resin: 7 parts.
Embodiment 5
The present embodiment has been also added with volume stabilizer, volume stabilizer addition on the basis of embodiment two in moldable component
For the 1% of described moldable gross weight, volume stabilizer is made up of with compound B compound A, compound A and compound B's
Weight proportion is 2:1；
Compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 6 parts, bisphenol A type epoxy resin:
12 parts, compound rare-earth: 0.3 part；
Compound rare-earth includes following components according to the mass fraction: La:13 part, Y:17 part, Sc:13 part, Gd:9 part, Sm:
12 parts, Pr:10 part；
Compound B includes following components according to the mass fraction: modified epoxy: 6 parts, acrylic resin: 8 parts.
Embodiment 6
The present embodiment has been also added with volume stabilizer, volume stabilizer addition on the basis of embodiment three in moldable component
For the 1.5% of described moldable gross weight, volume stabilizer is made up of with compound B compound A, compound A and compound B
Weight proportion be 3:1；
Compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 7 parts, bisphenol A type epoxy resin:
13 parts, compound rare-earth: 0.5 part；
Compound rare-earth includes following components according to the mass fraction: La:15 part, Y:18 part, Sc:15 part, Gd:10 part, Sm:
13 parts, Pr:12 part；
Compound B includes following components according to the mass fraction: modified epoxy: 7 parts, acrylic resin: 9 parts.
Lower form is the performance parameter of the moldable performance parameter of the power industry high abrasion of the present invention and conventional like product, tool
Body parameter comparison is as follows:
The present invention uses compound accelerator for hardening, introduces magnesium aluminate spinel and forsterite, utilizes the active MgO composition that it contains, slow
On The Drug Release, can realize reducing response speed, delay the effect of firm time, promotes aluminium dihydrogen phosphate to be slowly formed normal salt and make can
Plastic hardening, produces intensity, and firm time is moderate, it is easy to construction, also improves moldable high-temperature behavior, and base simultaneously
Matter introduces Si3N4Powder, utilizes its excellent high-temperature behavior and anti-wear performance, improves moldable at high temperature opposing physics and chemistry
The performance corroded, can extend moldable service life；The moldable component of the present invention with the addition of volume stabilizer, thus improve
Moldable volume stability.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every according to this
The technological thought that invention proposes, any change done on the basis of technical scheme, within each falling within scope.
Claims (9)
1. a power industry high abrasion is moldable, it is characterised in that: its weight percent composition includes:
The Alumina of 3mm≤granular size≤5mm: 15-25%,
The Alumina of 1mm ＜ granular size ＜ 3mm: 25-35%,
The Alumina of 0 ＜ granular size≤1mm: 3-10%,
Granular size is the Alumina of 60 mesh: 5-15%,
Granular size is the Alumina of 220 mesh: 6-17%,
The plate diamond spar of 0 ＜ granular size≤1mm: 5-15%,
Granular size is the Si of 100 mesh3N4Powder: 1-8%,
The alumina powder of 1000 mesh≤granular size≤1500 mesh: 5-12%,
Granular size is the magnesium aluminium spinel powder of 100 mesh: 0.5-4%,
Granular size is the forsterite of 150 mesh: 2-8%,
Phosphate dihydrogen aluminum solution: 6-8%.
Power industry high abrasion the most according to claim 1 is moldable, it is characterised in that: all variable grain sizes
Al in Alumina2O3Content is all higher than equal to 80%, and in described phosphate dihydrogen aluminum solution, the proportion of aluminium dihydrogen phosphate is 1.85.
Power industry high abrasion the most according to claim 1 is moldable, it is characterised in that: its weight percent composition bag
Include:
The Alumina of 3mm≤granular size≤5mm: 16%,
The Alumina of 1mm ＜ granular size ＜ 3mm: 25%,
The Alumina of 0 ＜ granular size≤1mm: 6%,
Granular size is the Alumina of 60 mesh: 7%,
Granular size is the Alumina of 220 mesh: 11%,
The plate diamond spar of 0 ＜ granular size≤1mm: 10%,
Granular size is the Si of 100 mesh3N4Powder: 3%,
The alumina powder of 1000 mesh≤granular size≤1500 mesh: 7%,
Granular size is the magnesium aluminium spinel powder of 100 mesh: 3%,
Granular size is the forsterite of 150 mesh: 4%,
Phosphate dihydrogen aluminum solution: 8%.
Power industry high abrasion the most according to claim 1 is moldable, it is characterised in that: its weight percent composition bag
Include:
The Alumina of 3mm≤granular size≤5mm: 25%,
The Alumina of 1mm ＜ granular size ＜ 3mm: 25%,
The Alumina of 0 ＜ granular size≤1mm: 5%,
Granular size is the Alumina of 60 mesh: 7%,
Granular size is the Alumina of 220 mesh: 8%,
The plate diamond spar of 0 ＜ granular size≤1mm: 6%,
Granular size is the Si of 100 mesh3N4Powder: 3%,
The alumina powder of 1000 mesh≤granular size≤1500 mesh: 9%,
Granular size is the magnesium aluminium spinel powder of 100 mesh: 1%,
Granular size is the forsterite of 150 mesh: 5%,
Phosphate dihydrogen aluminum solution: 6%.
Power industry high abrasion the most according to claim 1 is moldable, it is characterised in that: its weight percent composition bag
Include:
The Alumina of 3mm≤granular size≤5mm: 15%,
The Alumina of 1mm ＜ granular size ＜ 3mm: 25%,
The Alumina of 0 ＜ granular size≤1mm: 3%,
Granular size is the Alumina of 60 mesh: 5%,
Granular size is the Alumina of 220 mesh: 6%,
The plate diamond spar of 0 ＜ granular size≤1mm: 15%,
Granular size is the Si of 100 mesh3N4Powder: 8%,
The alumina powder of 1000 mesh≤granular size≤1500 mesh: 6%,
Granular size is the magnesium aluminium spinel powder of 100 mesh: 2%,
Granular size is the forsterite of 150 mesh: 8%,
Phosphate dihydrogen aluminum solution: 7%.
6. moldable according to the power industry high abrasion described in any claim in claim 1-5, it is characterised in that: its
Being also added with volume stabilizer in component, described volume stabilizer addition is the 0.5-1.5% of described moldable gross weight, described
Volume stabilizer is made up of with compound B compound A, and the weight proportion of described compound A and compound B is 1:1～3:1；
Described compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 5-7 part, bisphenol type epoxy
Resin: 11-13 part, compound rare-earth: 0.2-0.5 part；
Described compound rare-earth includes following components according to the mass fraction: La:10-15 part, Y:16-18 part, Sc:10-15
Part, Gd:8-10 part, Sm:10-13 part, Pr:8-12 part；
Described compound B includes following components according to the mass fraction: modified epoxy: 5-7 part, acrylic resin: 7-9 part.
Power industry high abrasion the most according to claim 6 is moldable, it is characterised in that: described volume stabilizer adds
Amount is the 0.5% of described moldable gross weight, and described volume stabilizer is made up of compound A and compound B, described compound A
It is 1:1 with the weight proportion of compound B；
Described compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 5 parts, bisphenol type epoxy tree
Fat: 11 parts, compound rare-earth: 0.2 part；
Described compound rare-earth includes following components according to the mass fraction: La:10 part, Y:16 part, Sc:10 part, Gd:8
Part, Sm:10 part, Pr:8 part；
Described compound B includes following components according to the mass fraction: modified epoxy: 5 parts, acrylic resin: 7 parts.
Power industry high abrasion the most according to claim 6 is moldable, it is characterised in that: described volume stabilizer adds
Amount for described moldable gross weight 1%, described volume stabilizer is made up of compound A and compound B, described compound A and
The weight proportion of compound B is 2:1；
Described compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 6 parts, bisphenol type epoxy tree
Fat: 12 parts, compound rare-earth: 0.3 part；
Described compound rare-earth includes following components according to the mass fraction: La:13 part, Y:17 part, Sc:13 part, Gd:9
Part, Sm:12 part, Pr:10 part；
Described compound B includes following components according to the mass fraction: modified epoxy: 6 parts, acrylic resin: 8 parts.
Power industry high abrasion the most according to claim 6 is moldable, it is characterised in that: described volume stabilizer adds
Amount is the 1.5% of described moldable gross weight, and described volume stabilizer is made up of compound A and compound B, described compound A
It is 3:1 with the weight proportion of compound B；
Described compound A includes following components according to the mass fraction: bisphenol f type epoxy resin: 7 parts, bisphenol type epoxy tree
Fat: 13 parts, compound rare-earth: 0.5 part；
Described compound rare-earth includes following components according to the mass fraction: La:15 part, Y:18 part, Sc:15 part, Gd:10
Part, Sm:13 part, Pr:12 part；
Described compound B includes following components according to the mass fraction: modified epoxy: 7 parts, acrylic resin: 9 parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610076065.3A CN105712709A (en) | 2016-02-03 | 2016-02-03 | High-abrasion-resistant plastic refractory for electric power industry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610076065.3A CN105712709A (en) | 2016-02-03 | 2016-02-03 | High-abrasion-resistant plastic refractory for electric power industry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010932A (en) * | 2017-05-09 | 2017-08-04 | 郑州耐都热陶瓷有限公司 | High temperature liner body skin patching material |
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|---|---|---|---|---|
| US20050255986A1 (en) * | 2001-02-09 | 2005-11-17 | Toshihiko Kaneshige | Monothilic refractory composition |
| CN102898167A (en) * | 2012-11-09 | 2013-01-30 | 郑州瑞泰耐火科技有限公司 | Fire-resistant pouring material used for bottom of lead smelting furnace |
| CN105218108A (en) * | 2015-08-18 | 2016-01-06 | 安徽瑞泰新材料科技有限公司 | A kind of cement kiln external system high-strength sprayed material and preparation using method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050255986A1 (en) * | 2001-02-09 | 2005-11-17 | Toshihiko Kaneshige | Monothilic refractory composition |
| CN102898167A (en) * | 2012-11-09 | 2013-01-30 | 郑州瑞泰耐火科技有限公司 | Fire-resistant pouring material used for bottom of lead smelting furnace |
| CN105218108A (en) * | 2015-08-18 | 2016-01-06 | 安徽瑞泰新材料科技有限公司 | A kind of cement kiln external system high-strength sprayed material and preparation using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107010932A (en) * | 2017-05-09 | 2017-08-04 | 郑州耐都热陶瓷有限公司 | High temperature liner body skin patching material |
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