CN111348901A - Steel ladle castable taking bauxite-based homogenized material as matrix - Google Patents

Steel ladle castable taking bauxite-based homogenized material as matrix Download PDF

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CN111348901A
CN111348901A CN202010188633.5A CN202010188633A CN111348901A CN 111348901 A CN111348901 A CN 111348901A CN 202010188633 A CN202010188633 A CN 202010188633A CN 111348901 A CN111348901 A CN 111348901A
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alumina
bauxite
ladle
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李向威
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    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
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    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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Abstract

The invention relates to the technical field of refractory castable, in particular to a ladle castable taking alumina-based homogeneous materials as a matrix, which is composed of alumina-based homogeneous materials with the alumina content of 75-80% as aggregates, alumina micro powder, silica micro powder, pure calcium aluminate cement and a binding agent, wherein the alumina-based homogeneous materials have the grain composition of 8mm and the grain size of less than or equal to 25mm, and the content of less than 5%; the particle size of the binding agent is controlled below 1 mm. The invention combines the control technology of raw material grading with the superfine powder technology, namely, the particle grading of homogeneous materials, especially the amount of large particles, is adjusted, so that the integral erosion resistance of the castable is improved, the integral ladle age of the ladle is improved, the conventional ladle age of the ladle is improved from 110 times to more than 160 times, and the benefit of 4000-6000 tons of steel is brought to users.

Description

Steel ladle castable taking bauxite-based homogenized material as matrix
Technical Field
The invention relates to the technical field of refractory castable, in particular to a ladle castable taking bauxite-based homogenized material as a matrix.
Background
The ladle is a container, plays an important role in the steelmaking process, and in order to prolong the service life of the ladle and reduce the consumption of refractory materials, the refractory materials of the ladle are developed from amorphous state to amorphous refractory materials. The development of ladle castable needs to be traced back to the twentieth century of the eighties, which starts from the combination of water glass and aluminum-magnesium castable, then develops to the second generation of anhydrous glass aluminum-magnesium castable, and then develops to spinel castable which is widely applied in recent years, such as alum clay spinel castable, magnesium spinel castable, aluminum spinel castable and the like. At present, the aluminum-magnesium castable is still used as a main stream, and high-alumina is used as an aggregate, and magnesium powder, high-alumina powder, corundum powder or spinel powder is used as an auxiliary material to combine. The age of the Baotai has also obviously improved over the last century with the advancement of the technology. But because of the gradual compression of the cost, the materials are increasingly poor, the phenomena of cracking and pit-out of the ladle casting material are caused in the using process, the stability of the product quality is lost, the span of the using performance is large, and even small and medium accidents of steel penetration and steel leakage are caused in part of steel mills for many times. The prior ladle age is only limited to 110 times.
Disclosure of Invention
In order to overcome the technical problems, the invention provides the ladle castable taking the alumina-based homogenized material as the matrix, which can improve the ladle age from 110 times to more than 160 times and bring more benefits to users of 4000-6000-ton steel.
The technical scheme for solving the technical problems is as follows:
a ladle castable taking bauxite-based homogenized material as a matrix is composed of bauxite-based homogenized material with alumina content of 75-80% as aggregate, alumina micro powder, silica micro powder, pure calcium aluminate cement and a bonding agent, and comprises the following raw materials in percentage by mass:
Figure BDA0002415075800000011
the content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the grain diameter of the binding agent is controlled below 1 mm.
In addition, the mass content of the iron oxide in the bauxite-based homogeneous material with the alumina content of 75-80% is not more than 1.5%.
Further, the particle size of the alumina micro powder is 80-120 meshes.
Furthermore, the particle size of the silicon dioxide micro powder is 0.1-0.5 micron.
Furthermore, the pure calcium aluminate cement has 58 to 72 percent of alumina content.
Further, the binding agent comprises any one or more of explosion-proof fiber, sodium tripolyphosphate and sodium hexametaphosphate.
In order to reduce the cost and improve the performance, the ingredients also comprise mullite homogeneous materials with the mass percentage of less than 4 percent, and the mullite homogeneous materials are artificially synthesized by bauxite concentrate through a sintering method.
The preparation method of the invention comprises the following steps: evenly mixing alumina-based homogeneous materials with the alumina content of 75-80%, alumina micro powder, silica micro powder, pure calcium aluminate cement and a binding agent, adding a proper amount of water, and evenly stirring to obtain the ladle castable, wherein the mass percentages of the materials are as follows:
Figure BDA0002415075800000021
the content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the grain diameter of the binding agent is controlled below 1 mm.
The invention has the beneficial effects that:
the invention provides a ladle castable taking a bauxite-based homogenized material as a matrix, which is characterized in that the grain composition of the homogenized material, especially the amount of large grains, is adjusted by combining the control technology of raw material composition with a superfine powder technology, so that the overall anti-corrosion performance of the castable is improved, and the overall ladle age of a ladle is improved; the amount of the binding agent is adjusted to adjust the performance of the casting material, and the problems of cracking and pit-out at the bottom of the ladle in the using process of the existing ladle casting material are solved by matching with aggregate adjustment. The age of the conventional ladle is improved from 110 times to more than 160 times, and 4000-6000-ton steel benefits are brought to users.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example 1:
a ladle castable taking a bauxite-based homogenized material as a matrix is prepared from the following components in percentage by mass:
Figure BDA0002415075800000022
the content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the particle size of the binding agent is controlled below 1 mm.
Wherein: the alumina-based homogeneous material with the alumina content of 75-80 percent has the iron oxide content of 1.47 percent by mass.
The grain diameter of the alumina micro powder is 80-120 meshes.
The particle size of the silicon dioxide micro powder is 0.1-0.5 micron.
The pure calcium aluminate cement has 58-72% of alumina content.
The homogenized synthetic material is produced by controlling feeding components, storing in grades, distributing uniformly, fine material mixing, wet grinding, concentrating and press filtering, vacuum mud extruding, drying, high-temperature calcining, crushing and grading.
Example 2:
a ladle castable taking a bauxite-based homogenized material as a matrix is prepared from the following components in percentage by mass:
Figure BDA0002415075800000031
the content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the grain diameter of the binding agent is controlled below 1 mm.
Wherein the alumina-based homogeneous material with the alumina content of 75-80 percent has the iron oxide content of 1.35 percent by mass.
The grain diameter of the alumina micro powder is 80-120 meshes.
The particle size of the silicon dioxide micro powder is 0.1-0.5 micron.
The pure calcium aluminate cement has 58-72% of alumina content.
Example 3:
a ladle castable taking a bauxite-based homogenized material as a matrix is prepared from the following components in percentage by mass:
Figure BDA0002415075800000032
the content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the grain diameter of the binding agent is controlled below 1 mm.
Wherein the alumina-based homogeneous material with the alumina content of 75-80 percent has the iron oxide content of 1.45 percent by mass.
The grain diameter of the alumina micro powder is 80-120 meshes.
The particle size of the silicon dioxide micro powder is 0.1-0.5 micron.
The pure calcium aluminate cement has 58-72% of alumina content.
Example 4:
a ladle castable taking a bauxite-based homogenized material as a matrix is prepared from the following components in percentage by mass:
Figure BDA0002415075800000041
the mullite homogeneous material is artificially synthesized by bauxite concentrate through a sintering method.
The content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the particle size of the binding agent is controlled below 1 mm.
Wherein the alumina-based homogeneous material with the alumina content of 75-80 percent has the iron oxide content of 1.45 percent by mass.
The grain diameter of the alumina micro powder is 80-120 meshes.
The particle size of the silicon dioxide micro powder is 0.1-0.5 micron.
The pure calcium aluminate cement has 58-72% of alumina content.
The performance of the ladle castable taking the bauxite-based homogenized material as the matrix is shown in the following table:
Figure BDA0002415075800000042
the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.

Claims (9)

1. A ladle castable taking bauxite-based homogenized material as a matrix is characterized by comprising bauxite-based homogenized material with alumina content of 75-80% as aggregate, alumina micro powder, silica micro powder, pure calcium aluminate cement and a bonding agent, wherein the mass percentages of the raw materials are as follows:
Figure FDA0002415075790000011
the content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the grain diameter of the binding agent is controlled below 1 mm.
2. The ladle castable with a bauxite-based homogenized material as a matrix according to claim 1, wherein the bauxite-based homogenized material with an alumina content of 75-80% has an iron oxide content of not more than 1.5% by mass.
3. The ladle castable with the bauxite-based homogenized material as the matrix according to claim 1, wherein the alumina micro powder has a particle size of 80-120 meshes.
4. The ladle castable with the bauxite-based homogenized material as the matrix according to claim 1, wherein the particle size of the fine silica powder is 0.1-0.5 μm.
5. The ladle castable based on alumina-based homogenized material as defined in claim 1, wherein said pure calcium aluminate cement has a content of alumina of 58-72%.
6. The castable for steel ladles based on bauxite-based homogenized materials in accordance with claim 1, wherein the binder includes any one or more of explosion-proof fiber, sodium tripolyphosphate and sodium hexametaphosphate.
7. The ladle castable taking the bauxite-based homogenized material as the matrix according to claim 1, further comprising mullite homogenized material with the mass percentage of less than 4%, wherein the mullite homogenized material is artificially synthesized by bauxite concentrate through a sintering method.
8. A method for preparing the ladle castable taking the alumina-based homogenized material as the matrix according to any one of claims 1-6, which is characterized in that the alumina-based homogenized material with the alumina content of 75-80%, alumina micro powder, silica micro powder, pure calcium aluminate cement and a binding agent are uniformly mixed, then a proper amount of water is added and the mixture is uniformly stirred to obtain the ladle castable, wherein the mass percentages of the substances are as follows:
Figure FDA0002415075790000012
Figure FDA0002415075790000021
the content of the alumina-based homogeneous material is less than 5 percent, wherein the grain size is more than 8mm and less than or equal to 25 mm;
the grain diameter of the binding agent is controlled below 1 mm.
9. The method according to claim 8, further comprising 4% or less by mass of a mullite homogenate artificially synthesized from bauxite concentrate by a sintering process.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63291879A (en) * 1987-05-25 1988-11-29 Nippon Steel Corp Castable for inner lining for tundish
CN101885617A (en) * 2010-06-28 2010-11-17 阳泉金隅通达高温材料有限公司 Wear and corrosion resistant castable prepared from bauxite-based homogenous material and preparation method thereof
CN101891485A (en) * 2009-05-21 2010-11-24 宝山钢铁股份有限公司 Pouring material for steel ladle
CN102030551A (en) * 2010-11-03 2011-04-27 通达耐火技术股份有限公司 Corundum-mullite high strength and wear resistant casting material containing homogenous material
CN102850063A (en) * 2012-08-23 2013-01-02 通达耐火技术股份有限公司 High-strength anti-stripping castable with homogeneous material as aggregate for kilneye and preparation method thereof
CN106747504A (en) * 2016-12-10 2017-05-31 通达耐火技术股份有限公司 With the pouring materialfor steel ladle that alumina-based fire resisting homogeneous material compound material is main material
CN107814582A (en) * 2017-11-22 2018-03-20 河南新拓耐火材料有限公司 A kind of pouring materialfor steel ladle and its obtained ladle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63291879A (en) * 1987-05-25 1988-11-29 Nippon Steel Corp Castable for inner lining for tundish
CN101891485A (en) * 2009-05-21 2010-11-24 宝山钢铁股份有限公司 Pouring material for steel ladle
CN101885617A (en) * 2010-06-28 2010-11-17 阳泉金隅通达高温材料有限公司 Wear and corrosion resistant castable prepared from bauxite-based homogenous material and preparation method thereof
CN102030551A (en) * 2010-11-03 2011-04-27 通达耐火技术股份有限公司 Corundum-mullite high strength and wear resistant casting material containing homogenous material
CN102850063A (en) * 2012-08-23 2013-01-02 通达耐火技术股份有限公司 High-strength anti-stripping castable with homogeneous material as aggregate for kilneye and preparation method thereof
CN106747504A (en) * 2016-12-10 2017-05-31 通达耐火技术股份有限公司 With the pouring materialfor steel ladle that alumina-based fire resisting homogeneous material compound material is main material
CN107814582A (en) * 2017-11-22 2018-03-20 河南新拓耐火材料有限公司 A kind of pouring materialfor steel ladle and its obtained ladle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘德昌等: "《循环流化床锅炉运行及事故处理》", 30 April 2006 *

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