CN109020507A - A kind of high-intensitive high erosion resisting mending material of coverter pig - Google Patents
A kind of high-intensitive high erosion resisting mending material of coverter pig Download PDFInfo
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- CN109020507A CN109020507A CN201811187688.3A CN201811187688A CN109020507A CN 109020507 A CN109020507 A CN 109020507A CN 201811187688 A CN201811187688 A CN 201811187688A CN 109020507 A CN109020507 A CN 109020507A
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- erosion resisting
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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
- C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
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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
- 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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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
- 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
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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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
- 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
- C04B2235/443—Nitrates or nitrites
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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
- 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
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
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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
- 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
- C04B2235/448—Sulphates or sulphites
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9676—Resistance against chemicals, e.g. against molten glass or molten salts against molten metals such as steel or aluminium
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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)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention relates to technical field of refractory materials more particularly to a kind of high-intensitive high erosion resisting mending materials of coverter pig.Raw material including following parts by weight: 60~80 parts of fused magnesite；10~20 parts of bonding agent；2~5 parts of additive；6~10 parts of liquid bonding agent.The present invention is using fused magnesite as primary raw material, micro mist and liquid bonding agent are dual combination agent, silicon ash forms silicate sturcture, liquid the bonding agent shape around magnesia between magnesia particle and net is complexed, it is long to solve the big fabric sintering times of the tradition combined using pitch a large amount of at present, the pitch cracking porosity is high after burning, and intensity is low, not resistant to corrosion, need the problem of often safeguarding to furnace lining, seriously affecting steel mill's rhythm of production.The present invention reduces energy costs, improve economic benefit, reduce environmental pollution, are conducive to environmental protection.
Description
Technical field
The present invention relates to technical field of refractory materials more particularly to a kind of high-intensitive high erosion resisting mending materials of coverter pig.
Background technique
Large face of converter is often washed away by steel scrap impact, molten iron during process for making, and makes big face in entire furnace labour
Premature breakdown is used as a servant with entire furnace and is mismatched, and is kept entire furnace labour offline in advance, in order to improve the service life of converter, was used as a servant in furnace
It is one of steel mill furnace life management important content, the especially maintenance to preceding big face to furnace lining maintenance in journey.
At present to furnace lining safeguard used in mending material mainly using magnesia as major ingredient, pitch etc. is bonding agent, will when fettling
Mending material is added in funnel investment furnace and uses, and the mending material sintering time is long, and the pitch cracking porosity is high after burning, and intensity is low, no
Resistant to corrosion needs often to safeguard furnace lining, seriously affects the rhythm of production of product quality and entire steel mill.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention provides a kind of high-intensitive high erosion resisting fettling of coverter pig
Material.Sintering time of the present invention is short, and furnace lining is made to have high-intensitive and high erosion resisting.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of high-intensitive high erosion resisting mending material of coverter pig, the raw material including following parts by weight:
MgO mass percentage >=95% of the fused magnesite, grain composition is: 8~3mm be 10~20 parts, 3~
1mm is 20~30 parts, and 1~0mm is 20~30 parts, and 20~30 parts of fine powder, granularity is less than 0.088mm.
The bonding agent is one of silicon ash micro mist and alumina powder or more than one mixture.
The additive be one of phosphate, lignosulfonates, christobalite or sodium citrate or more than one
Mixture.
The liquid bonding agent is one of magnesium chloride, magnesium sulfate or magnesium nitrate saturated solution or more than one is mixed
Close object.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is using fused magnesite as primary raw material, and micro mist and liquid bonding agent are dual combination agent, and silicon ash is in magnesia
Silicate sturcture, liquid the bonding agent shape around magnesia are formed between grain, net is complexed, solve and largely combined at present using pitch
The big fabric sintering time of tradition it is long, the pitch cracking porosity is high after burning, and intensity is low, not resistant to corrosion, needs often to carry out furnace lining
The problem of safeguarding, seriously affecting steel mill's rhythm of production.The present invention reduces energy costs, improve economic benefit, reduce ring
Border pollution, is conducive to environmental protection.
Specific embodiment
Specific embodiments of the present invention will be further explained below, but is not intended to limit the scope of the invention:
A kind of high-intensitive high erosion resisting mending material of coverter pig, the raw material including following parts by weight:
MgO mass percentage >=95% of the fused magnesite, grain composition is: 8~3mm be 10~20 parts, 3~
1mm is 20~30 parts, and 1~0mm is 20~30 parts, and 20~30 parts of fine powder, granularity is less than 0.088mm.
The bonding agent is silicon ash micro mist, one of alumina powder or more than one mixture.
The additive be one of phosphate, lignosulfonates, christobalite or sodium citrate or more than one
Mixture.
The liquid bonding agent is one of magnesium chloride, magnesium sulfate or magnesium nitrate saturated solution or more than one is mixed
Close object.
It is exemplified below 6 embodiments to illustrate as to the specific embodiment of the invention is raw materials used, particular content
As shown in table 1.
A kind of table 1: the list of ingredients (unit: weight of embodiment 1 to the high-intensitive high erosion resisting mending material of the coverter pig of embodiment 6
Measure part)
The present invention is using fused magnesite as primary raw material, and micro mist and liquid bonding agent are dual combination agent, and silicon ash is in magnesia
Silicate sturcture, liquid the bonding agent shape around magnesia are formed between grain, net is complexed, solve and largely combined at present using pitch
The big fabric sintering time of tradition it is long, the pitch cracking porosity is high after burning, and intensity is low, not resistant to corrosion, needs often to carry out furnace lining
The problem of safeguarding, seriously affecting steel mill's rhythm of production.The present invention reduces energy costs, improve economic benefit, reduce ring
Border pollution, is conducive to environmental protection.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of high-intensitive high erosion resisting mending material of coverter pig, which is characterized in that the raw material including following parts by weight:
2. the high-intensitive high erosion resisting mending material of a kind of coverter pig according to claim 1, which is characterized in that the electric smelting
MgO mass percentage >=95% of magnesia, grain composition is: 8~3mm be 10~20 parts, 3~1mm be 20~30 parts, 1~
0mm is 20~30 parts, and 20~30 parts of fine powder, granularity is less than 0.088mm.
3. the high-intensitive high erosion resisting mending material of a kind of coverter pig according to claim 1, which is characterized in that the knot
Mixture is one of silicon ash micro mist and alumina powder or more than one mixture.
4. the high-intensitive high erosion resisting mending material of a kind of coverter pig according to claim 1, which is characterized in that described adds
Adding agent is one of phosphate, lignosulfonates, christobalite or sodium citrate or more than one mixture.
5. the high-intensitive high erosion resisting mending material of a kind of coverter pig according to claim 1, which is characterized in that the liquid
State bonding agent is one of magnesium chloride, magnesium sulfate or magnesium nitrate saturated solution or more than one mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187688.3A CN109020507A (en) | 2018-10-11 | 2018-10-11 | A kind of high-intensitive high erosion resisting mending material of coverter pig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187688.3A CN109020507A (en) | 2018-10-11 | 2018-10-11 | A kind of high-intensitive high erosion resisting mending material of coverter pig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109020507A true CN109020507A (en) | 2018-12-18 |
Family
ID=64616566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811187688.3A Withdrawn CN109020507A (en) | 2018-10-11 | 2018-10-11 | A kind of high-intensitive high erosion resisting mending material of coverter pig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109020507A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099902A (en) * | 2019-12-23 | 2020-05-05 | 北京联合荣大工程材料股份有限公司 | Remote control wet type self-flowing injection material for converter |
| CN111470852A (en) * | 2019-08-27 | 2020-07-31 | 北京利尔高温材料股份有限公司 | Large fabric for converter |
-
2018
- 2018-10-11 CN CN201811187688.3A patent/CN109020507A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470852A (en) * | 2019-08-27 | 2020-07-31 | 北京利尔高温材料股份有限公司 | Large fabric for converter |
| CN111099902A (en) * | 2019-12-23 | 2020-05-05 | 北京联合荣大工程材料股份有限公司 | Remote control wet type self-flowing injection material for converter |
| CN111099902B (en) * | 2019-12-23 | 2022-03-15 | 北京联合荣大工程材料股份有限公司 | Remote control wet type self-flowing injection material for converter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |