CN108503377A - A kind of erosion resistant blast furnace iron runner gravity flow pouring material and preparation method thereof - Google Patents
A kind of erosion resistant blast furnace iron runner gravity flow pouring material and preparation method thereof Download PDFInfo
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- CN108503377A CN108503377A CN201810306950.5A CN201810306950A CN108503377A CN 108503377 A CN108503377 A CN 108503377A CN 201810306950 A CN201810306950 A CN 201810306950A CN 108503377 A CN108503377 A CN 108503377A
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Abstract
An embodiment of the present invention provides a kind of erosion resistant blast furnace iron runner gravity flow pouring materials and preparation method thereof.The castable includes:40 60 parts of Brown Alundum particle, 10 20 parts of white fused alumina particle, 10 15 parts of carborundum powder, 35 parts of silicon powder, 35 parts of pelletted pitch, 57 parts of Reactive alumina, 12 parts of additive, 0.5 1 parts of OP emulsifiers, 3.5 4.2 parts of water.By the present invention in that preparing Al with OP emulsifiers2O3SiC C matter iron runner gravity flow pouring materials, hence it is evident that the amount of water for reducing iron runner material improves the compactness of material, enhances the slag-resistant erosion performance of iron runner material, has reached the service life for extending iron runner material, has improved an iron of blast furnace.
Description
Technical field
The present invention relates to technical field of refractory materials more particularly to a kind of erosion resistant blast furnace iron runner gravity flow pouring material and its
Preparation method.
Background technology
Blast furnace iron outlet groove generally use Al2O3- SiC-C matter unshape refractories, slag are to influence on the erosion of iron runner material
One of the principal element in materials'use service life, and the erosion rate of slag is directly proportional to the porosity of material.
Iron runner material in use, needs plus water stirs and cast-in-site, because amount of water mostly can lead to the material porosity
Big further to increase slag corrosion, and destroy the overall structure of iron runner to which material is not fine and close, that shortens iron runner material uses the longevity
Life, causes ton iron refractory consumption big, not environmentally friendly enough, increases the labor intensity of stokehold worker in addition.
Therefore, it is necessary to design a kind of novel blast furnace iron runner gravity flow pouring material, current blast furnace iron runner preparation process is solved
The porosity caused by middle water consumption is excessive is big and the problem of material compactness difference, to promote the erosion resisting of iron runner material.
Invention content
The embodiment provides a kind of erosion resistant blast furnace iron runner gravity flow pouring materials and preparation method thereof, to solve
The problems in above-mentioned background technology.
An aspect of of the present present invention provides a kind of erosion resistant blast furnace iron runner gravity flow pouring material.
To achieve the goals above, this invention takes following technical solutions:
A kind of erosion resistant blast furnace iron runner gravity flow pouring material that the embodiment of the present invention provides, which is characterized in that described to pour
The composition of the specific ingredient of material feeding is as follows:40~60 mass parts of Brown Alundum particle, 10~20 mass parts of white fused alumina particle, silicon carbide
10~15 mass parts of powder, 3~5 mass parts of silicon powder, 3~5 mass parts of pelletted pitch, 5~7 mass parts of Reactive alumina,
1~2 mass parts of additive, 0.5~1 mass parts of OP emulsifiers;
The mass parts summation of all of above ingredient is 100 mass parts, further includes separately:3.5~4.2 mass parts of water.
Preferably, the Al in the Brown Alundum particle2O3Mass percentage is greater than or equal to 90%.
Preferably, the Al in the white fused alumina particle2O3Mass percentage is greater than or equal to 90%.
Preferably, the grain size of the Brown Alundum particle is 5~8mm and 3~5mm.
Preferably, the grain size of the white fused alumina particle is 1~3mm and 0.074~1mm.
Preferably, the grain size of the carborundum powder is 0.074~1mm and 0~0.074mm, and two kinds of diameter of particle is mixed
Conjunction mass ratio is 1~4 ︰ 6~9.
Preferably, the additive is at least one of metallic aluminium powder, boron carbide, fiber and sodium tripolyphosphate.
Preferably, the model of the OP emulsifiers:OP-10, OP-15 or OP-20;
The pH value of the OP emulsifiers is:6~7.
Another aspect of the present invention provides a kind of preparation method of erosion resistant blast furnace iron runner gravity flow pouring material.
A kind of preparation method for erosion resistant blast furnace iron runner gravity flow pouring material that the embodiment of the present invention provides, feature exist
In, including:
By the raw material that total weight is 100 mass parts, taken out by following proportioning:40~60 mass parts of Brown Alundum particle, Bai Gang
10~20 mass parts of beautiful particle, 10~15 mass parts of carborundum powder, 3~5 mass parts of silicon powder, 3~5 mass parts of pelletted pitch,
5~7 mass parts of Reactive alumina, 1~2 mass parts of additive, 0.5~1 mass parts of OP emulsifiers;
The each raw material component of taking-up is uniformly mixed, mixed raw material is obtained;
Mixed raw material is mixed with the water that weight is 3.5~4.2 mass parts, rear output is stirred evenly by blender, is obtained
To iron runner gravity flow pouring material.
It resistance to is invaded an embodiment of the present invention provides a kind of it can be seen from the technical solution that embodiments of the invention described above provide
The blast furnace iron runner gravity flow pouring material of erosion, raw material composition and ratio are:40-60 parts of Brown Alundum particle, white fused alumina particle 10-20
Part, 10-15 parts of carborundum powder, 3-5 parts of silicon powder, 3-5 parts of pelletted pitch, 5-7 parts of Reactive alumina, 1-2 parts of additive,
3.5-4.2 parts of 0.5-1 parts of OP emulsifiers and water.By the present invention in that preparing Al with OP emulsifiers2O3- SiC-C matter iron runner is certainly
Flow castable, hence it is evident that the amount of water for reducing iron runner material improves the compactness of material, and the slag-resistant for enhancing iron runner material corrodes
Performance has reached the service life for extending iron runner material, has improved an iron of blast furnace.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of processing of the preparation method of erosion resistant blast furnace iron runner gravity flow pouring material provided in an embodiment of the present invention
Flow chart.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that is used in the specification of the present invention arranges
It refers to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition to take leave " comprising "
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.Wording used herein
"and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
For ease of the understanding to the embodiment of the present invention, done further by taking several specific embodiments as an example below in conjunction with attached drawing
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Embodiment one
An embodiment of the present invention provides a kind of erosion resistant blast furnace iron runner gravity flow pouring materials and preparation method thereof, solve current
The porosity caused by water consumption is excessive in blast furnace iron runner preparation process is big and the problem of material compactness difference.
The one side of the embodiment of the present invention provides a kind of erosion resistant blast furnace iron runner gravity flow pouring material.
A kind of raw material of erosion resistant blast furnace iron runner gravity flow pouring material provided in an embodiment of the present invention forms and its quality is matched
Than as follows:40~60 mass parts of Brown Alundum particle, 10~20 mass parts of white fused alumina particle, 10~15 mass parts of carborundum powder, silicon
3~5 mass parts of micro mist, 3~5 mass parts of pelletted pitch, 5~7 mass parts of Reactive alumina, 1~2 mass parts of additive,
0.5~1 mass parts of OP emulsifiers;The mass parts summation of all of above ingredient is 100 mass parts, further includes separately:Water 3.5~4.2
Mass parts.
Wherein, the specification of Brown Alundum particle is:Al2O3Mass percentage is greater than or equal to 90%;The grain size of particle is:5
~8mm and 3~5mm.
The specification of white fused alumina particle is:Al2O3Mass percentage is greater than or equal to 90%;The grain size of particle is:1~3mm
With 0.074~1mm.
The specification of carborundum powder is:The grain size of granularity fine powder is 0.074~1mm and 0~0.074mm, and two kinds of powder grains
The mixing quality ratio of diameter is 1~4 ︰ 6~9.
Additive is constituted using at least one of metallic aluminium powder, boron carbide, fiber and sodium tripolyphosphate.
The model of OP emulsifiers:OP-10, OP-15 or OP-20;PH value is:6~7.OP emulsifiers are alkyl phenol and ring
The condensation product of oxidative ethane.Al is prepared using OP emulsifiers2O3When-SiC-C matter iron runner gravity flow pouring materials, the lipophilic group of OP emulsifiers
It is water base towards aqueous solution, so that the C Surface with lipophilic group is converted into the table with hydrophilic group originally towards the surface of C
Face, reduce it is liquid-solid between contact angle, improve the wetabilitys of C in aqueous solution, thus can obviously reduce iron runner material plus
Water.
The another aspect of the embodiment of the present invention provides a kind of preparation side of erosion resistant blast furnace iron runner gravity flow pouring material
Method.
A kind of process flow of the preparation method of erosion resistant blast furnace iron runner gravity flow pouring material provided in an embodiment of the present invention
Figure is as shown in Figure 1, can specifically include following steps:
S110:By the raw material that total weight is 100 mass parts, taken out by following proportioning:40~60 mass parts of Brown Alundum particle,
10~20 mass parts of white fused alumina particle, 10~15 mass parts of carborundum powder, 3~5 mass parts of silicon powder, 3~5 mass of pelletted pitch
Part, 5~7 mass parts of Reactive alumina, 1~2 mass parts of additive, 0.5~1 mass parts of OP emulsifiers;
S120:The each raw material component of taking-up is uniformly mixed, mixed raw material is obtained.
S130:Mixed raw material is mixed with the water that weight is 3.5~4.2 mass parts, is produced after being stirred evenly by blender
Go out, obtains iron runner gravity flow pouring material.
Using blender by mixed raw material and water after mixing, generate from blender and can be used outward.
Embodiment two
This embodiment offers a kind of erosion resistant blast furnace iron runner gravity flow pouring materials, the ratio of each component is:Brown Alundum
45 mass parts of grain, 18 mass parts of white fused alumina particle, 14 mass parts of carborundum powder, 5 mass parts of silicon powder, 4 mass parts of pelletted pitch,
7 mass parts of Reactive alumina, 2 mass parts of additive, 0.8 mass parts of OP emulsifiers.
Wherein, OP emulsifiers are the condensation product of alkyl phenol and ethylene oxide, model OP-15.
The grain size of Brown Alundum particle is 5-8mm and 3-5mm, Al2O3Mass percentage is greater than or equal to 90%.
The grain size of white fused alumina particle is 1-3mm and 0.074-1mm.Al2O3Mass percentage is greater than or equal to 90%.
The grain size of carborundum powder is 0.074-1mm and 0-0.074mm, and the mixing quality ratio of two kinds of diameter of particle is:4 ︰ 6;
Additive is the mixture of metallic aluminium powder, boron carbide, four kinds of fiber, sodium tripolyphosphate raw materials, and mass ratio is:2 ︰
3 ︰, 1 ︰ 1.
After above-mentioned material is mixed according to weight proportion, 3.8 mass parts of external adding water, being produced using blender can make
With.
Embodiment three
This embodiment offers a kind of erosion resistant blast furnace iron runner gravity flow pouring materials, the ratio of each component is:Brown Alundum
42 mass parts of grain, 20 mass parts of white fused alumina particle, 14.5 mass parts of carborundum powder, 4 mass parts of silicon powder, 3 mass of pelletted pitch
Part, 6.5 mass parts of Reactive alumina, 1.5 mass parts of additive, 0.55 mass parts of OP emulsifiers.
Wherein, OP emulsifiers are the condensation product of alkyl phenol and ethylene oxide, model OP-20.
The grain size of Brown Alundum particle is 5-8mm and 3-5mm, Al2O3Mass percentage is greater than or equal to 90%.
The grain size of white fused alumina particle is 1-3mm and 0.074-1mm.Al2O3Mass percentage is greater than or equal to 90%.
The grain size of carborundum powder is 0.074-1mm and 0-0.074mm, and the mixing quality ratio of two kinds of diameter of particle is:3 ︰ 7;
Additive is the mixture of metallic aluminium powder, boron carbide, four kinds of fiber, sodium tripolyphosphate raw materials, and mass ratio is:2 ︰
2 ︰, 1 ︰ 1.
After above-mentioned material is mixed according to weight proportion, 3.9 mass parts of external adding water, being produced using blender can make
With.
Example IV
This embodiment offers a kind of erosion resistant blast furnace iron runner gravity flow pouring materials, the ratio of each component is:Brown Alundum
50 mass parts of grain, 11 mass parts of white fused alumina particle, 12.5 mass parts of carborundum powder, 4.5 mass parts of silicon powder, pelletted pitch 3.5
Mass parts, 6 mass parts of Reactive alumina, 1.5 mass parts of additive, 1 mass parts of OP emulsifiers.
Wherein, OP emulsifiers are the condensation product of alkyl phenol and ethylene oxide, model OP-10.
The grain size of Brown Alundum particle is 5-8mm and 3-5mm, Al2O3Mass percentage is greater than or equal to 90%.
The grain size of white fused alumina particle is 1-3mm and 0.074-1mm.Al2O3Mass percentage is greater than or equal to 90%.
The grain size of carborundum powder is 0.074-1mm and 0-0.074mm, and the mixing quality ratio of two kinds of diameter of particle is:2.5 ︰
7.5;
Additive is the mixture of metallic aluminium powder, boron carbide, four kinds of fiber, sodium tripolyphosphate raw materials, and mass ratio is:1 ︰
1 ︰, 1 ︰ 1.
After above-mentioned material is mixed according to weight proportion, 3.65 mass parts of external adding water, being produced using blender can make
With.
Embodiment five
This embodiment offers a kind of erosion resistant blast furnace iron runner gravity flow pouring materials, the ratio of each component is:Brown Alundum
49 mass parts of grain, 12 mass parts of white fused alumina particle, 13.5 mass parts of carborundum powder, 4.5 mass parts of silicon powder, 4 matter of pelletted pitch
Measure part, 5.5 mass parts of Reactive alumina, 1.5 mass parts of additive, 0.85 mass parts of OP emulsifiers.
Wherein, OP emulsifiers are the condensation product of alkyl phenol and ethylene oxide, model OP-10.
The grain size of Brown Alundum particle is 5-8mm and 3-5mm, Al2O3Mass percentage is greater than or equal to 90%.
The grain size of white fused alumina particle is 1-3mm and 0.074-1mm.Al2O3Mass percentage is greater than or equal to 90%.
The grain size of carborundum powder is 0.074-1mm and 0-0.074mm, and the mixing quality ratio of two kinds of diameter of particle is:2 ︰ 8;
Additive is the mixture of metallic aluminium powder, boron carbide, four kinds of fiber, sodium tripolyphosphate raw materials, and mass ratio is:1 ︰
1 ︰, 3 ︰ 1.
After above-mentioned material is mixed according to weight proportion, 4 mass parts of external adding water are produced using blender and be can be used.
In certain 260m3It is and existing using after iron runner gravity flow pouring material provided in an embodiment of the present invention on blast furnace iron outlet groove
Iron runner castable is compared, and has apparent performance boost.It is specific as shown in table 1.
The Contrast on effect table of 1 iron runner castable of table
In conclusion the embodiment of the present invention prepares Al by using OP emulsifiers2O3- SiC-C matter iron runner gravity flow pouring materials,
The lipophilic group of OP emulsifiers is water base towards aqueous solution towards the surface of C so that the C Surface with lipophilic group is converted into tool originally
The surface for having hydrophilic group, reduce it is liquid-solid between contact angle, improve the wetabilitys of C in aqueous solution.The present invention obviously subtracts
The amount of water for having lacked iron runner material improves the compactness of material, enhances the slag-resistant erosion performance of iron runner material, has reached extension
The service life of iron runner material improves an iron of blast furnace.
One of ordinary skill in the art will appreciate that:Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the present invention.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates may or may not be physically separated, the component shown as unit can be or
Person may not be physical unit, you can be located at a place, or may be distributed over multiple network units.It can root
According to actual need that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (9)
1. a kind of erosion resistant blast furnace iron runner gravity flow pouring material, which is characterized in that the composition of the specific ingredient of the castable is such as
Under:40~60 mass parts of Brown Alundum particle, 10~20 mass parts of white fused alumina particle, 10~15 mass parts of carborundum powder, silicon powder 3
~5 mass parts, 3~5 mass parts of pelletted pitch, 5~7 mass parts of Reactive alumina, 1~2 mass parts of additive, OP emulsifications
0.5~1 mass parts of agent;
The mass parts summation of all of above ingredient is 100 mass parts, further includes separately:3.5~4.2 mass parts of water.
2. erosion resistant blast furnace iron runner gravity flow pouring material according to claim 1, which is characterized in that the Brown Alundum particle
In Al2O3Mass percentage is greater than or equal to 90%.
3. erosion resistant blast furnace iron runner gravity flow pouring material according to claim 1, which is characterized in that the white fused alumina particle
In Al2O3Mass percentage is greater than or equal to 90%.
4. erosion resistant blast furnace iron runner gravity flow pouring material according to claim 1, which is characterized in that the Brown Alundum particle
Grain size be 5~8mm and 3~5mm.
5. erosion resistant blast furnace iron runner gravity flow pouring material according to claim 1, which is characterized in that the white fused alumina particle
Grain size be 1~3mm and 0.074~1mm.
6. erosion resistant blast furnace iron runner gravity flow pouring material according to claim 1, which is characterized in that the carborundum powder
Grain size is 0.074~1mm and 0~0.074mm, and the mixing quality ratio of two kinds of diameter of particle is 1~4 ︰ 6~9.
7. erosion resistant blast furnace iron runner gravity flow pouring material according to claim 1, which is characterized in that the additive is gold
Belong at least one of aluminium powder, boron carbide, fiber and sodium tripolyphosphate.
8. erosion resistant blast furnace iron runner gravity flow pouring material according to claim 1, which is characterized in that the OP emulsifiers
Model:OP-10, OP-15 or OP-20;
The pH value of the OP emulsifiers is:6~7.
9. a kind of preparation method of erosion resistant blast furnace iron runner gravity flow pouring material, based in claim 1-8 any one of them
Hold, which is characterized in that including:
By the raw material that total weight is 100 mass parts, taken out by following proportioning:40~60 mass parts of Brown Alundum particle, white fused alumina
10~20 mass parts of grain, 10~15 mass parts of carborundum powder, 3~5 mass parts of silicon powder, 3~5 mass parts of pelletted pitch, activity
5~7 mass parts of alumina powder, 1~2 mass parts of additive, 0.5~1 mass parts of OP emulsifiers;
The each raw material component of taking-up is uniformly mixed, mixed raw material is obtained;
Mixed raw material is mixed with the water that weight is 3.5~4.2 mass parts, rear output is stirred evenly by blender, obtains iron
Ditch gravity flow pouring material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810306950.5A CN108503377B (en) | 2018-04-08 | 2018-04-08 | Corrosion-resistant blast furnace iron runner self-flow castable and preparation method thereof |
Applications Claiming Priority (1)
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CN201810306950.5A CN108503377B (en) | 2018-04-08 | 2018-04-08 | Corrosion-resistant blast furnace iron runner self-flow castable and preparation method thereof |
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CN108503377A true CN108503377A (en) | 2018-09-07 |
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CN113683401A (en) * | 2020-05-19 | 2021-11-23 | 中冶宝钢技术服务有限公司 | Manufacturing process of main channel iron slag separator |
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CN101591179A (en) * | 2008-05-30 | 2009-12-02 | 北京通达耐火技术股份有限公司 | A kind of main trough of blast furnace slag line Al 2O 3The preparation method of-SiC-C mould material |
CN101830662A (en) * | 2010-03-30 | 2010-09-15 | 中钢集团洛阳耐火材料研究院有限公司 | Compound early strength antifreezing agent of unshaped refractory for aluminate cement |
CN103922770A (en) * | 2014-04-01 | 2014-07-16 | 浙江长兴宝晟炉料有限公司 | Self-flowing castable with waste blast furnace main runner material as main raw material and making method of self-flowing castable |
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GB874391A (en) * | 1957-01-24 | 1961-08-10 | Thomas Marshall & Company Loxl | Composite insulating refractory bricks or blocks and linings thereof for furnaces and kilns |
CN101591179A (en) * | 2008-05-30 | 2009-12-02 | 北京通达耐火技术股份有限公司 | A kind of main trough of blast furnace slag line Al 2O 3The preparation method of-SiC-C mould material |
CN101830662A (en) * | 2010-03-30 | 2010-09-15 | 中钢集团洛阳耐火材料研究院有限公司 | Compound early strength antifreezing agent of unshaped refractory for aluminate cement |
CN103922770A (en) * | 2014-04-01 | 2014-07-16 | 浙江长兴宝晟炉料有限公司 | Self-flowing castable with waste blast furnace main runner material as main raw material and making method of self-flowing castable |
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CN113683401A (en) * | 2020-05-19 | 2021-11-23 | 中冶宝钢技术服务有限公司 | Manufacturing process of main channel iron slag separator |
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