CN110342951A - A kind of ladle refractory wass and preparation method thereof - Google Patents
A kind of ladle refractory wass and preparation method thereof Download PDFInfo
- Publication number
- CN110342951A CN110342951A CN201910800688.4A CN201910800688A CN110342951A CN 110342951 A CN110342951 A CN 110342951A CN 201910800688 A CN201910800688 A CN 201910800688A CN 110342951 A CN110342951 A CN 110342951A
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- Prior art keywords
- aluminate
- refractory
- ladle
- mesh
- recycling
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
- C04B35/443—Magnesium aluminate spinel
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a kind of ladle refractory wass and preparation method thereof, are related to technical field of refractory materials, solve the technical issues of waste and old refractory material recycling and reusing in the prior art.Refractory wass of the invention includes the raw material of following parts by weight: 180 mesh recycle 55~70 parts of aluminate, 320 mesh recycle 30~45 parts of aluminate, 0.3~1 part of additive, wherein, the sum of the parts by weight of the 180 mesh recycling aluminate and 320 mesh recycling aluminate are 100 parts, and the additive is additionally added.Refractory wass using effect and service life of the invention and original refractory wass are essentially identical, refractory wass i.e. of the invention and preparation method thereof solves the technical issues of waste and old refractory material recycling and reusing, the maintenance cost of ladle can be not only reduced, but also the discharge amount of solid waste can be reduced.
Description
Technical field
The present invention relates to technical field of refractory materials more particularly to a kind of ladle refractory wass and preparation method thereof.
Background technique
Important transfer tool of the ladle as molten steel, refractory material working lining generally there are two types of masonry way, one is
Using castable one-piece casting (being largely alumina-spinel castable), another kind is using ladle brick masonry.One-piece casting
Working lining can washing away and corroding and be gradually thinned with molten steel, after reaching safety limits, overall pulling down to pour again, produced
Raw a large amount of waste and old alumina-spinel castable.Using ladle brick masonry, need to fill refractory brick and permanent layer with refractory wass
Between gap, the gap between refractory brick and refractory brick.Most of ladle refractory wass now used is all by advanced aluminium
Calcined bauxite in powder and magnesium powder mix according to a certain ratio, so that refractory wass is generated aluminate by the high temperature of molten steel, stop steel
Water penetrates into refractory brick brickwork joint.
Refractory material is mainly used in Ferrous Metallurgy, the industries such as cement, with the promotion of iron and steel output, the fire resisting that consumes
Material is more and more, increasing to refractory material demand, and the raw material of refractory material is caused constantly to reduce, waste and old refractory material
Constantly increase.The exploitation of raw material for refractory and the storage of waste and old refractory material all generate very big destruction to natural environment.
With the increase of Environmental Protection in China pressure and the growth of the refractory material prices of raw materials, waste and old refractory material is studied instead of fire resisting former material
Material has biggish economic benefit, becomes those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
One of purpose of the invention is to propose a kind of ladle refractory wass and preparation method thereof, solves existing skill
In art the technical issues of waste and old refractory material recycling and reusing.Many technical effects that optimal technical scheme of the present invention can be generated
Elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
Ladle refractory wass of the invention, the raw material including following parts by weight:
180 mesh recycle 55~70 parts of aluminate,
320 mesh recycle 30~45 parts of aluminate,
0.3~1 part of additive,
Wherein, the sum of the parts by weight of 180 mesh recycling aluminate and 320 mesh recycling aluminate are 100 parts, institute
The additive stated additionally is added.
According to a preferred embodiment, the chemical component of the recycling aluminate are as follows: Al2O3Content >=
65.32%, SiO2Content≤12.87%, content of MgO >=12.6%, Fe2O3Content≤3.45%, Na2O+K2O content≤
0.75%.
According to a preferred embodiment, the recycling aluminate is the aluminium point removed when recycling casting ladle is built by laying
The residual lining of spar castable, with rear ladle pocket block, the residual lining of air brick, brick cup of air brick tundish permanent layer and/or ladle forever
Made from the residual lining of long layer.
According to a preferred embodiment, the additive is one of oxalic acid, sodium tripolyphosphate and sodium citrate
Or it is a variety of.
Optimal technical scheme of the present invention joined one of oxalic acid, sodium tripolyphosphate and sodium citrate or a variety of be used as subtracts
Aqua, can reach reduces water additional amount, promotes mobility, effectively controls the purpose of the porosity.
The preparation method of ladle refractory wass of the invention, includes the following steps:
Ingredient, according to following weight than being equipped with each raw material: 180 mesh recycle 55~70 parts of aluminate, and 320 mesh recycle aluminium point
30~45 parts of spar, 0.3~1 part of additive；
The recycling aluminate and additive weighed up is added in stirring, and siccative adds water after mixing evenly, and stirring is equal
It can discharge after even.
According to a preferred embodiment, the preparation method of the ladle refractory wass further includes following steps:
In the building process of refractory brick, the material for making clothes stirred evenly is filled in refractory brick and permanent layer, refractory brick and steel
In the gap of packet brick.
According to a preferred embodiment, the 180 mesh recycling aluminate and 320 mesh recycling aluminate are to pass through
As made under type:
The residual lining of alumina-spinel castable that recycling casting ladle removes when building by laying, with rear ladle pocket block, air brick, thoroughly
The residual lining of gas brick brick cup tundish permanent layer and/or the residual lining of permanent ladle layer；
Residual steel and steel slag are removed, using screening out 10~5mm, 5~3mm and 3~0mm recycling aluminium point after broken, mixing
Spar；
The powder that the aluminate of 3~0mm is worn into 180 mesh and 320 mesh grades, as raw material for standby.
Ladle refractory wass provided by the invention and preparation method thereof at least has following advantageous effects:
The present invention passes through recycling castable refractory (aluminum-spinel material), and using it as main raw material(s), then adds in right amount
Adding additive is that auxiliary material prepares refractory wass, the refractory wass of preparation can be filled in refractory brick and permanent layer, refractory brick
In the gap of refractory brick, using effect and service life and original refractory wass (advanced bauxite powder and middle-grade magnesium powder, according to one
Fixed proportion mixes) it is essentially identical.Refractory wass i.e. of the invention and preparation method thereof solves waste and old refractory material recycling
The technical issues of recycling, can not only reduce the maintenance cost of ladle, but also can reduce the discharge amount of solid waste.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Refractory wass of the invention includes the raw material of following parts by weight:
180 mesh recycle 55~70 parts of aluminate,
320 mesh recycle 30~45 parts of aluminate,
0.3~1 part of additive,
Wherein, the sum of the parts by weight of 180 mesh recycling aluminate and 320 mesh recycling aluminate are 100 parts, institute
The additive stated additionally is added.
The preparation method of ladle refractory wass of the invention, includes the following steps:
(1) stock up: the residual lining of alumina-spinel castable that recycling casting ladle removes when building by laying, with rear ladle pocket block,
The residual lining of air brick, brick cup of air brick tundish permanent layer and/or the residual lining of permanent ladle layer；
Residual steel and steel slag are removed, using screening out 10~5mm, 5~3mm and 3~0mm recycling aluminium point after broken, mixing
Spar；
The powder that the aluminate of 3~0mm is worn into 180 mesh and 320 mesh grades, as raw material for standby.
(2) ingredient, according to following weight than being equipped with each raw material: 180 mesh recycle 55~70 parts of aluminate, the recycling of 320 mesh
30~45 parts of aluminate, 0.3~1 part of additive；
(3) it stirs, the recycling aluminate weighed up is added and additive, siccative add suitable after mixing evenly
Water can discharge after mixing evenly.
(4) it fills, in the building process of refractory brick, the material for making clothes stirred evenly is filled in refractory brick and permanent layer, steel
In the gap of packet brick and refractory brick.
The present invention passes through recycling castable refractory (aluminum-spinel material), and using it as main raw material(s), then adds in right amount
Adding additive is that auxiliary material prepares refractory wass, the refractory wass of preparation can be filled in refractory brick and permanent layer, refractory brick
In the gap of refractory brick, using effect and service life and original refractory wass (advanced bauxite powder and middle-grade magnesium powder, according to one
Fixed proportion mixes) it is essentially identical.Refractory wass i.e. of the invention and preparation method thereof solves waste and old refractory material recycling
The technical issues of recycling, can not only reduce the maintenance cost of ladle, but also can reduce the discharge amount of solid waste.
Embodiment 1
The ladle refractory wass of the present embodiment the preparation method is as follows:
Weighed according to following weight ratio: 180 mesh recycle 55 parts of aluminate powder, and 320 mesh recycle aluminate powder 45
Part, 0.3 part of additive.
It is added suitable water, after stirring sufficiently, using in the building process of refractory brick, filling refractory brick and permanent layer,
Gap between refractory brick and refractory brick.
Embodiment 2
The ladle refractory wass of the present embodiment the preparation method is as follows:
Weighed according to following weight ratio: 180 mesh recycle 60 parts of aluminate powder, and 320 mesh recycle aluminate powder 40
Part, 0.3 part of additive.
It is added suitable water, after stirring sufficiently, using in the building process of refractory brick, filling refractory brick and permanent layer,
Gap between refractory brick and refractory brick.
Embodiment 3
The ladle refractory wass of the present embodiment the preparation method is as follows:
Weighed according to following weight ratio: 180 mesh recycle 65 parts of aluminate powder, and 320 mesh recycle aluminate powder 35
Part, 0.5 part of additive.
It is added suitable water, after stirring sufficiently, using in the building process of refractory brick, filling refractory brick and permanent layer,
Gap between refractory brick and refractory brick.
Embodiment 4
The ladle refractory wass of the present embodiment the preparation method is as follows:
Weighed according to following weight ratio: 180 mesh recycle 70 parts of aluminate powder, and 320 mesh recycle aluminate powder 30
Part, 1 part of additive.
It is added suitable water, after stirring sufficiently, using in the building process of refractory brick, filling refractory brick and permanent layer,
Gap between refractory brick and refractory brick.
By ladle made from Examples 1 to 4 with refractory wass be filled in refractory brick and permanent layer, refractory brick and refractory brick it
Between gap, using effect and service life, (advanced bauxite powder and middle-grade magnesium powder, were mixed according to a certain ratio with original refractory wass
Close) it is essentially identical.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (7)
1. a kind of ladle refractory wass, which is characterized in that the refractory wass includes the raw material of following parts by weight:
180 mesh recycle 55~70 parts of aluminate,
320 mesh recycle 30~45 parts of aluminate,
0.3~1 part of additive,
Wherein, the sum of the parts by weight of 180 mesh recycling aluminate and 320 mesh recycling aluminate are 100 parts, described
Additive is additionally added.
2. ladle refractory wass according to claim 1, which is characterized in that the chemistry of the described recycling aluminate at
It is divided into: Al2O3Content >=65.32%, SiO2Content≤12.87%, content of MgO >=12.6%, Fe2O3Content≤3.45%,
Na2O+K2O content≤0.75%.
3. ladle refractory wass according to claim 1 or 2, which is characterized in that the recycling aluminate is back
Receive the residual lining of alumina-spinel castable removed when casting ladle is built by laying, in rear ladle pocket block, air brick, brick cup of air brick
Between packet permanent layer it is residual lining and/or the residual lining of permanent ladle layer made from.
4. ladle refractory wass according to claim 1, which is characterized in that the additive is oxalic acid, trimerization phosphorus
One of sour sodium and sodium citrate are a variety of.
5. a kind of preparation method of ladle refractory wass, which is characterized in that described method includes following steps:
Ingredient, according to following weight than being equipped with each raw material: 180 mesh recycle 55~70 parts of aluminate, and 320 mesh recycle aluminate
30~45 parts, 0.3~1 part of additive；
Stirring, is added the recycling aluminate weighed up and additive, siccative adds water after mixing evenly, after mixing evenly
It can discharge.
6. the preparation method of ladle refractory wass according to claim 5, which is characterized in that the method also includes such as
Lower step:
In the building process of refractory brick, the material for making clothes stirred evenly is filled in refractory brick and permanent layer, refractory brick and refractory brick
Gap in.
7. the preparation method of ladle refractory wass according to claim 5 or 6, which is characterized in that 180 mesh return
It is obtained in the following way for receiving aluminate and 320 mesh recycling aluminate:
The residual lining of alumina-spinel castable that recycling casting ladle removes when building by laying, with rear ladle pocket block, air brick, air brick
The residual lining of brick cup tundish permanent layer and/or the residual lining of permanent ladle layer；
Residual steel and steel slag are removed, using screening out 10~5mm, 5~3mm after broken, mixing and 3~0mm recycles aluminate；
The powder that the aluminate of 3~0mm is worn into 180 mesh and 320 mesh grades, as raw material for standby.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800688.4A CN110342951A (en) | 2019-08-28 | 2019-08-28 | A kind of ladle refractory wass and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910800688.4A CN110342951A (en) | 2019-08-28 | 2019-08-28 | A kind of ladle refractory wass and preparation method thereof |
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| CN110342951A true CN110342951A (en) | 2019-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885233A (en) * | 2019-12-16 | 2020-03-17 | 钢城集团凉山瑞海实业有限公司 | Ladle brick aluminum-magnesium fire clay and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885233A (en) * | 2019-12-16 | 2020-03-17 | 钢城集团凉山瑞海实业有限公司 | Ladle brick aluminum-magnesium fire clay and preparation method thereof |
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Application publication date: 20191018 |