CN110511007A - A kind of core-type induction furnace furnace lining material and preparation method thereof - Google Patents
A kind of core-type induction furnace furnace lining material and preparation method thereof Download PDFInfo
- Publication number
- CN110511007A CN110511007A CN201910832484.9A CN201910832484A CN110511007A CN 110511007 A CN110511007 A CN 110511007A CN 201910832484 A CN201910832484 A CN 201910832484A CN 110511007 A CN110511007 A CN 110511007A
- Authority
- CN
- China
- Prior art keywords
- granularity
- glass sand
- mesh
- sand
- furnace lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C04B35/14—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 silica
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5463—Particle size distributions
- C04B2235/5472—Bimodal, multi-modal or multi-fraction
Abstract
The present invention relates to furnace lining technical fields, and disclose a kind of core-type induction furnace furnace lining material, raw material including following parts by weight: 100 parts of glass sand, 5~7 parts of magnesia powder, 0.08 part of zirconium oxide, 0.8~1.2 part of boric acid, the glass sand includes the glass sand of following granularity by weight percentage: the glass sand 15~25% that granularity is the glass sand 15~25% of 5~10 mesh, granularity is 15~30 mesh, the glass sand 15~25% that granularity is 35~40 mesh.The core-type induction furnace furnace lining material and preparation method thereof, by using glass sand, and the granularity that rational proportion is different, the intermediate frequency furnace lining porosity is small, and compactness is high, agglutinating property is good and resistance to chilling and shock heating is good, furnace lining material refractoriness of the present invention is higher than 1720 DEG C, and softening temperature is higher than 1700 DEG C, has good hot stability, chemical stability and mechanical performance, good insulating, construction can well and sintering character is good.
Description
Technical field
The present invention relates to furnace lining technical field, specially a kind of core-type induction furnace furnace lining material and preparation method thereof.
Background technique
The intermediate frequency furnace that stove namely our written words are said is worthy of careful study about intermediate frequency furnace lining with refractory material very much,
He not only involves furnace life, it is necessary to which guaranteeing experienced steel grade, these all have to be understood that clear, furnace lining when introducing to client
It is divided into ruining for acid refractory, neutral refractory, basic refractory and stove fire proof material of furnace lining with refractory material
Mechanism is damaged, not in addition being in the mood for induction melting furnace refractory material there are also intermediate frequency or intermediate frequency should have the characteristics that this is as one
Qualified cupola drop work must it is to be understood that common sense.
Notification number: a kind of medium-frequency induction furnace furnace lining material and preparation method thereof is proposed in CN104446547A and is used
Method, matrix of this application by adjusting magnesian ramming mass in different parts are formed, so that slag line is close with converter life, are reduced
Intermediate frequency furnace ramming mass use cost, but the invention material coarseness sand grains is excessive, knotting density contrast, what is contacted with metal
Surface is difficult to be formed firm and complete sinter layer, and makes to expand when lining sintering larger, easily causes breakout, porosity
Increase, influences lining durability so proposing that a kind of core-type induction furnace is solved to mention among the above with furnace lining material and preparation method thereof
Out the problem of.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of core-type induction furnace furnace lining material and its preparation sides
Method has good hot stability, chemical stability and mechanical performance, and good insulating, construction energy is good, sintering character is good, builds
Furnace and it is easy to maintenance the advantages that, solve that material coarseness sand grains is excessive, and knotting density contrast is difficult on the surface contacted with metal
Firm and complete sinter layer is formed, and makes to expand when lining sintering larger, easily causes breakout, porosity increases, shadow
The problem of ringing lining durability.
(2) technical solution
To realize above-mentioned good hot stability, chemical stability and mechanical performance, good insulating, construction can good, burning
Tie performance is good, brickwork and it is easy to maintenance the purpose of, the invention provides the following technical scheme:
A kind of core-type induction furnace furnace lining material, which is characterized in that the raw material including following parts by weight: high-purity quartz
100 parts of sand, 5~7 parts of magnesia powder, 0.08 part of zirconium oxide, 0.8~1.2 part of boric acid, the glass sand is by weight percentage
Glass sand including following granularity: granularity is the glass sand 15~25% of 5~10 mesh, granularity is 15~30 mesh
Glass sand 15~25%, the glass sand 15~25% that granularity is 35~40 mesh, granularity be 45~50 purposes
Glass sand 10~20% and granularity be 60~70 mesh glass sand 5~8% and granularity 200 mesh 8~
10% glass sand.
Preferably, the glass sand of the furnace lining raw material includes the high-purity quartz of following granularity by weight percentage
Sand: granularity is the glass sand 18~22% of 5~8 mesh, granularity is 20~25 mesh glass sand 18~22%, grain
Degree is that glass sand 18~22%, the glass sand 16~18% that granularity is 48~50 mesh and the granularity of 38 mesh are
8~10% glass sands of the glass sands 6~8% of 63~66 mesh and granularity in 200 mesh.
Preferably, the glass sand of the furnace lining raw material includes the high-purity quartz of following granularity by weight percentage
Sand: granularity is the glass sand 22% of 7 mesh, granularity is 28 mesh glass sand 24%, granularity are that 38 purposes are high-purity
Degree quartz sand 20%, the glass sand 20% that granularity is 46 mesh and granularity are the glass sand 6% and grain of 68 mesh
Spend 8% glass sand in 200 mesh.
Preferably, the glass sand of the furnace lining raw material includes the high-purity quartz of following granularity by weight percentage
Sand: granularity is the glass sand 18% of 6 mesh, granularity is 25 mesh glass sand 22%, granularity are that 36 purposes are high-purity
Degree quartz sand 25%, the glass sand 18% that granularity is 45 mesh and granularity are the glass sand 8% and grain of 68 mesh
Spend 9% glass sand in 200 mesh.
Preferably, the glass sand includes the chemical component of following weight percent: SiO299.5%,
Al2O30.3%, Fe2O30.04%, ZrO20.06%, impurity 0.1%.
Another technical problem to be solved by the present invention is that a kind of preparation method of core-type induction furnace furnace lining material is provided,
The following steps are included:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, in revolving speed 400-600r/
30-40min is stirred under min and obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) green compact will be formed at green compact by mud cake prepared by step 3) being sent to molding machine compression moulding at 80-100MPa
It is sent into the saturated vapor curing kilns that temperature is 120-150 DEG C and continues to conserve 17-20h, then natural cooling, dries in the shade, glazing, then
Sintering.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of core-type induction furnace furnace lining material and preparation method thereof, tools
It is standby following the utility model has the advantages that
The core-type induction furnace furnace lining material and preparation method thereof, by using glass sand, and rational proportion
Different granularities, the intermediate frequency furnace lining porosity is small, and compactness is high, and agglutinating property is good and resistance to chilling and shock heating is good；In furnace lining material
Magnesia powder is added, furnace lining material is effectively prevent to generate glass phase and soften at high temperature, boric acid, which is added, can reduce furnace lining material
Sintering temperature promotes the formation of spinelle；Furnace lining material refractoriness of the present invention is higher than 1720 DEG C, and softening temperature is higher than 1700 DEG C,
With good hot stability, chemical stability and mechanical performance, good insulating, construction can it is good, sintering character is good, brickwork and
It is easy to maintenance.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
A kind of embodiment one: core-type induction furnace furnace lining material and preparation method thereof, comprising the following steps:
A kind of core-type induction furnace furnace lining material, the raw material including following parts by weight: 100 parts of glass sand, magnesium
6 parts of emery dust, 0.08 part of zirconium oxide, 1.0 parts of boric acid；The glass sand includes the chemical component of following weight percent:
SiO299.5%, Al2O30.3%, Fe2O30.04%, ZrO20.06%, impurity 0.1%；The glass sand is by weight
Percentage includes the glass sand of following granularity: granularity is the glass sand 22% of 7 mesh, granularity is that 28 purposes are high-purity
Spend quartz sand 24%, the glass sand 20% that granularity is 38 mesh, the glass sand 20% and grain that granularity is 46 mesh
Degree be 68 mesh glass sand 6% and granularity 200 mesh 8% glass sand.
A kind of preparation method of core-type induction furnace furnace lining material comprises the following sequential steps:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, in revolving speed 400-600r/
30-40min is stirred under min and obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) green compact will be formed at green compact by mud cake prepared by step 3) being sent to molding machine compression moulding at 80-100MPa
It is sent into the saturated vapor curing kilns that temperature is 120-150 DEG C and continues to conserve 17-20h, then natural cooling, dries in the shade, glazing, then
Sintering.
A kind of embodiment two: core-type induction furnace furnace lining material and preparation method thereof, comprising the following steps:
A kind of durable type intermediate frequency furnace acid liner material, the raw material including following parts by weight: 100 parts of glass sand,
5 parts of magnesia powder, 0.08 part of zirconium oxide, 0.8 part of boric acid；The glass sand include following weight percent chemistry at
Point: SiO299.5%, Al2O30.3%, Fe2O30.04%, ZrO20.06%, impurity 0.1%；The glass sand is pressed
Weight percent includes the glass sand of following granularity: granularity is the glass sand 18% of 6 mesh, granularity is 25 purposes
The glass sand 18% that glass sand 22%, granularity are the glass sand 25% of 36 mesh, granularity is 45 mesh with
And granularity be 68 mesh glass sand 8% and granularity 200 mesh 9% glass sand.
A kind of preparation method of core-type induction furnace furnace lining material comprises the following sequential steps:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, in revolving speed 400-600r/
30-40min is stirred under min and obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) green compact will be formed at green compact by mud cake prepared by step 3) being sent to molding machine compression moulding at 80-100MPa
It is sent into the saturated vapor curing kilns that temperature is 120-150 DEG C and continues to conserve 17-20h, then natural cooling, dries in the shade, glazing, then
Sintering.
A kind of embodiment three: core-type induction furnace furnace lining material and preparation method thereof, comprising the following steps:
A kind of durable type intermediate frequency furnace acid liner material, the raw material including following parts by weight: 100 parts of glass sand,
7 parts of magnesia powder, 0.08 part of zirconium oxide, 1.2 parts of boric acid；The glass sand include following weight percent chemistry at
Point: SiO299.5%, Al2O30.3%, Fe2O30.04%, ZrO20.06%, impurity 0.1%；The glass sand is pressed
Weight percent includes the glass sand of following granularity: granularity is the glass sand 15% of 5 mesh, granularity is 15 purposes
The glass sand 20% that glass sand 25%, granularity are the glass sand 25% of 35 mesh, granularity is 45 mesh with
And granularity be 60 mesh glass sand 5% and granularity 200 mesh 10% glass sand.
A kind of preparation method of core-type induction furnace furnace lining material comprises the following sequential steps:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, in revolving speed 400-600r/
30-40min is stirred under min and obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) green compact will be formed at green compact by mud cake prepared by step 3) being sent to molding machine compression moulding at 80-100MPa
It is sent into the saturated vapor curing kilns that temperature is 120-150 DEG C and continues to conserve 17-20h, then natural cooling, dries in the shade, glazing, then
Sintering.
A kind of example IV: core-type induction furnace furnace lining material and preparation method thereof, comprising the following steps:
A kind of durable type intermediate frequency furnace acid liner material, the raw material including following parts by weight: 100 parts of glass sand,
5.5 parts of magnesia powder, 0.08 part of zirconium oxide, 0.9 part of boric acid；The glass sand include following weight percent chemistry at
Point: SiO299.5%, Al2O30.3%, Fe2O30.04%, ZrO20.06%, impurity 0.1%；The glass sand is pressed
Weight percent includes the glass sand of following granularity: granularity is the glass sand 25% of 10 mesh, granularity is 30 mesh
Glass sand 25%, the glass sand 15% that granularity is 40 mesh, the glass sand 19% that granularity is 50 mesh
And granularity be 70 mesh glass sand 8% and granularity 200 mesh 8% glass sand.
A kind of preparation method of core-type induction furnace furnace lining material comprises the following sequential steps:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, in revolving speed 400-600r/
30-40min is stirred under min and obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) green compact will be formed at green compact by mud cake prepared by step 3) being sent to molding machine compression moulding at 80-100MPa
It is sent into the saturated vapor curing kilns that temperature is 120-150 DEG C and continues to conserve 17-20h, then natural cooling, dries in the shade, glazing, then
Sintering.
A kind of embodiment five: core-type induction furnace furnace lining material and preparation method thereof, comprising the following steps:
A kind of durable type intermediate frequency furnace acid liner material, the raw material including following parts by weight: 100 parts of glass sand,
5.5 parts of magnesia powder, 0.08 part of zirconium oxide, 0.4 part of boric acid；The glass sand include following weight percent chemistry at
Point: SiO299.5%, Al2O30.3%, Fe2O30.04%, ZrO20.06%, impurity 0.1%；The glass sand is pressed
Weight percent includes the glass sand of following granularity: granularity is the glass sand 25% of 10 mesh, granularity is 30 mesh
Glass sand 25%, the glass sand 15% that granularity is 40 mesh, the glass sand 19% that granularity is 50 mesh
And granularity be 70 mesh glass sand 6% and granularity 200 mesh 7% glass sand.
A kind of preparation method of core-type induction furnace furnace lining material comprises the following sequential steps:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, in revolving speed 400-600r/
30-40min is stirred under min and obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) green compact will be formed at green compact by mud cake prepared by step 3) being sent to molding machine compression moulding at 80-100MPa
It is sent into the saturated vapor curing kilns that temperature is 120-150 DEG C and continues to conserve 17-20h, then natural cooling, dries in the shade, glazing, then
Sintering.
A kind of embodiment six: core-type induction furnace furnace lining material and preparation method thereof, comprising the following steps:
A kind of durable type intermediate frequency furnace acid liner material, the raw material including following parts by weight: 100 parts of glass sand,
4.5 parts of magnesia powder, 0.08 part of zirconium oxide, 0.3 part of boric acid；The glass sand include following weight percent chemistry at
Point: SiO299.5%, Al2O30.3%, Fe2O30.04%, ZrO20.06%, impurity 0.1%；The glass sand is pressed
Weight percent includes the glass sand of following granularity: granularity is the glass sand 25% of 10 mesh, granularity is 30 mesh
Glass sand 25%, the glass sand 15% that granularity is 40 mesh, the glass sand 19% that granularity is 50 mesh
And granularity be 70 mesh glass sand 10% and granularity 200 mesh 11% glass sand.
A kind of preparation method of core-type induction furnace furnace lining material comprises the following sequential steps:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, in revolving speed 400-600r/
30-40min is stirred under min and obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) green compact will be formed at green compact by mud cake prepared by step 3) being sent to molding machine compression moulding at 80-100MPa
It is sent into the saturated vapor curing kilns that temperature is 120-150 DEG C and continues to conserve 17-20h, then natural cooling, dries in the shade, glazing, then
Sintering.
The beneficial effects of the present invention are: using glass sand, and the granularity that rational proportion is different, intermediate frequency furnace lining gas
Porosity is small, and compactness is high, and agglutinating property is good and resistance to chilling and shock heating is good；Magnesia powder is added in furnace lining material, at high temperature effectively
Prevent furnace lining material from generating glass phase and softening, boric acid, which is added, can reduce the sintering temperature of furnace lining material, promote the shape of spinelle
At；Furnace lining material refractoriness of the present invention is higher than 1720 DEG C, and softening temperature is higher than 1700 DEG C, has good hot stability, change
Learn stability and mechanical performance, good insulating, construction can it is good, sintering character is good, brickwork and easy to maintenance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of core-type induction furnace furnace lining material, which is characterized in that the raw material including following parts by weight: glass sand
100 parts, 5~7 parts of magnesia powder, 0.08 part of zirconium oxide, 0.8~1.2 part of boric acid, the glass sand wraps by weight percentage
Include the glass sand of following granularity: granularity is the glass sand 15~25% of 5~10 mesh, granularity is 15~30 purposes
The height that glass sand 15~25%, granularity are the glass sand 15~25% of 35~40 mesh, granularity is 45~50 mesh
Purity quartz sand 10~20% and granularity be 60~70 mesh glass sand 5~8% and granularity 200 mesh 8~
10% glass sand.
2. a kind of core-type induction furnace furnace lining material according to claim 1 and preparation method thereof, which is characterized in that institute
The glass sand for stating furnace lining raw material includes the glass sand of following granularity by weight percentage: granularity is 5~8 purposes
The high-purity that glass sand 18~22%, granularity are the glass sand 18~22% of 20~25 mesh, granularity is 38 mesh
Quartz sand 18~22%, granularity be 48~50 mesh glass sand 16~18% and granularity be 63~66 mesh high-purity
8~10% glass sands of quartz sand 6~8% and granularity in 200 mesh.
3. a kind of core-type induction furnace furnace lining material according to claim 1 and preparation method thereof, which is characterized in that institute
The glass sand for stating furnace lining raw material includes the glass sand of following granularity by weight percentage: granularity is the height of 7 mesh
Purity quartz sand 22%, granularity are the glass sand 24% of 28 mesh, granularity is 38 mesh glass sand 20%, granularity
The glass sand 6% and granularity that glass sand 20% and granularity for 46 mesh are 68 mesh are in the 8% high-purity of 200 mesh
Spend quartz sand.
4. a kind of core-type induction furnace furnace lining material according to claim 1 and preparation method thereof, which is characterized in that institute
The glass sand for stating furnace lining raw material includes the glass sand of following granularity by weight percentage: granularity is the height of 6 mesh
Purity quartz sand 18%, granularity are the glass sand 22% of 25 mesh, granularity is 36 mesh glass sand 25%, granularity
The glass sand 8% and granularity that glass sand 18% and granularity for 45 mesh are 68 mesh are in the 9% high-purity of 200 mesh
Spend quartz sand.
5. a kind of core-type induction furnace furnace lining material according to claim 1 and preparation method thereof, which is characterized in that institute
The chemical component that glass sand includes following weight percent: SiO299.5%, Al 2O30.3% is stated,
Fe2O30.04%, ZrO20.06%, impurity 0.1%.
6. a kind of preparation method of core-type induction furnace furnace lining material, which comprises the following steps:
1) each raw material is weighed according to parts by weight；
2) glass sand and magnesia powder is dry-mixed uniformly mixed, obtain mixture；
3) mixture prepared by step 2) is mixed with zirconium oxide and boric acid and is placed in blender, at revolving speed 400-600r/min
Stirring 30-40min obtains slurry, and slurry is sent into wet ball mill after ball milling 4-5h and carries out press filt, obtains mud cake；
4) mud cake prepared by step 3) molding machine compression moulding at 80-100MPa is sent to be sent into molding green compact at green compact
Continue to conserve 17-20h in the saturated vapor curing kilns that temperature is 120-150 DEG C, then natural cooling, dries in the shade, and glazing is reburned
Knot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832484.9A CN110511007A (en) | 2019-09-04 | 2019-09-04 | A kind of core-type induction furnace furnace lining material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832484.9A CN110511007A (en) | 2019-09-04 | 2019-09-04 | A kind of core-type induction furnace furnace lining material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110511007A true CN110511007A (en) | 2019-11-29 |
Family
ID=68630835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910832484.9A Pending CN110511007A (en) | 2019-09-04 | 2019-09-04 | A kind of core-type induction furnace furnace lining material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110511007A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617164A (en) * | 2012-03-28 | 2012-08-01 | 南车戚墅堰机车车辆工艺研究所有限公司 | Acid lining material of medium-frequency induction furnace and furnace building method thereof |
| CN104130000A (en) * | 2014-07-24 | 2014-11-05 | 宁国市开源电力耐磨材料有限公司 | Spinel furnace-lining refractory material for electric induction furnace and manufacturing method thereof |
| CN104130001A (en) * | 2014-07-24 | 2014-11-05 | 宁国市开源电力耐磨材料有限公司 | Neutral lining refractory material for electric induction furnace and manufacturing method thereof |
| CN104163641A (en) * | 2014-07-24 | 2014-11-26 | 宁国市开源电力耐磨材料有限公司 | Durable intermediate-frequency furnace acidic-lining material and manufacturing method thereof |
-
2019
- 2019-09-04 CN CN201910832484.9A patent/CN110511007A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617164A (en) * | 2012-03-28 | 2012-08-01 | 南车戚墅堰机车车辆工艺研究所有限公司 | Acid lining material of medium-frequency induction furnace and furnace building method thereof |
| CN102617164B (en) * | 2012-03-28 | 2013-09-11 | 南车戚墅堰机车车辆工艺研究所有限公司 | Acid lining material of medium-frequency induction furnace and furnace building method thereof |
| CN104130000A (en) * | 2014-07-24 | 2014-11-05 | 宁国市开源电力耐磨材料有限公司 | Spinel furnace-lining refractory material for electric induction furnace and manufacturing method thereof |
| CN104130001A (en) * | 2014-07-24 | 2014-11-05 | 宁国市开源电力耐磨材料有限公司 | Neutral lining refractory material for electric induction furnace and manufacturing method thereof |
| CN104163641A (en) * | 2014-07-24 | 2014-11-26 | 宁国市开源电力耐磨材料有限公司 | Durable intermediate-frequency furnace acidic-lining material and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 车得福等: "《锅炉》", 31 October 2008, 西安：西安交通大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101555151B (en) | Corundum fireproof ball used for ball-type hot-blast stove and preparation method thereof | |
| CN107188530B (en) | A kind of preparation method of low-cost and high-performance low expansion ceramic blank and its ceramic product | |
| CN101323530A (en) | Fused quartz block for coke oven hot repair | |
| CN103351154B (en) | Thinned ceramic tile and manufacturing method thereof | |
| CN108083765B (en) | Low-heat-conduction anti-stripping brick and preparation method thereof | |
| CN113321487B (en) | Lithium-free heat-resistant domestic ceramic and preparation method thereof | |
| CN101921130A (en) | Corundum-mullite crucible | |
| CN108675804A (en) | A kind of highly heatproof and shockproof mullite brick and its production technology | |
| CN112500131A (en) | Low-cost tundish prefabricated part and preparation method thereof | |
| CN104944979A (en) | Preparation method of firebrick used for rotary kiln | |
| CN103373856B (en) | High-stress-strain low-creepage high-thermal-shock-resistance refractory brick and manufacturing method thereof | |
| CN107032811B (en) | Low-iron and low-aluminum mullite brick for coke oven and preparation method thereof | |
| CN106187240A (en) | Low-creep refractory brick and its preparation method and application | |
| CN1050591C (en) | Fired microporous carbon-aluminium brick | |
| CN105541351B (en) | Glass melter regenerator top specific complex spinelle zirconia block and its manufacture method | |
| CN107021764B (en) | High-temperature sillimanite brick and production method thereof | |
| CN109020524A (en) | A kind of medium-frequency induction furnace furnace lining material and preparation method thereof | |
| CN101734908A (en) | Method for producing direct-bonded magnesia-chrome brick with high refractorinees under load and high stability of thermal shock resistance | |
| CN101851107B (en) | Compact zircon brick with low alkali content, hole fusion rate and stress and manufacturing method thereof | |
| CN107867868A (en) | A kind of super fine and close high heat conduction silica brick and preparation method thereof | |
| CN102659440B (en) | Light silicon carbide-mullite-andalusite brick and manufacturing method for same | |
| CN101550019A (en) | Composite fire resistant ball for ball type hot-air stove and method for preparing same | |
| CN103896606A (en) | Fire-resistant material for blast furnace ceramic cup | |
| CN110511007A (en) | A kind of core-type induction furnace furnace lining material and preparation method thereof | |
| CN107602137B (en) | Inner nozzle brick of steel tapping hole of cast-molded converter and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |