CN106379895B - A kind of castable refractory hydrophily graphite and preparation method thereof - Google Patents
A kind of castable refractory hydrophily graphite and preparation method thereof Download PDFInfo
- Publication number
- CN106379895B CN106379895B CN201610808547.3A CN201610808547A CN106379895B CN 106379895 B CN106379895 B CN 106379895B CN 201610808547 A CN201610808547 A CN 201610808547A CN 106379895 B CN106379895 B CN 106379895B
- Authority
- CN
- China
- Prior art keywords
- graphite
- castable refractory
- graphene oxide
- hydrophily
- quality
- 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.)
- Active
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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62886—Coating the powders or the macroscopic reinforcing agents by wet chemical techniques
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62802—Powder coating materials
- C04B35/62828—Non-oxide ceramics
- C04B35/62839—Carbon
-
- 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
-
- 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
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
-
- 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
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
Abstract
The present invention relates to a kind of castable refractory hydrophily graphite and preparation method thereof.Its technical solution is：First the graphene oxide of 0.5 ~ 10 part of quality is mixed with the water of 500 parts of quality, 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；The dispersant of the crystalline flake graphite of 90 ~ 99.5 parts of quality and 0 ~ 0.1 part of quality is added in the graphene oxide aqueous dispersions again, 30 ~ 60min of ultrasonic disperse, obtains the mixed liquor of graphene oxide package graphite；Then mixed liquor that the graphene oxide is wrapped up to graphite dries 24 ~ 48h under the conditions of 105 ~ 110 DEG C or dries 24 ~ 48h under freezing conditions, and castable refractory hydrophily graphite is made.The present invention has the characteristics that simple for process, with short production cycle, of low cost and pollution is small, and good dispersion and water consumption in castable refractory are small with hydrophily graphite for prepared castable refractory, can improve the resistance to slag corrosion and thermal shock resistance of castable refractory.
Description
Technical field
The present invention relates to a kind of hydrophily graphite technical fields.More particularly to a kind of castable refractory hydrophily graphite and
Preparation method.
Background technology
Crystalline flake graphite has the characteristics that be not easy by molten steel and slag wetting, coefficient of thermal expansion is small and thermal conductivity is high, is drawn
Enter into refractory material, is remarkably improved the anti-slag erosion ability and thermal shock resistance of refractory material.Carbon containing refractory is in steel
Ironworker's industry is used widely, and main application range has：1）Blast furnace ironmaking refractory material, such as Blast Furnace Bottom, iron tap channel portion
Position；2）Converter, electric furnace and ladle liner body；3）Continuous casting critical component, such as the mouth of a river, slide plate, stopper；4）Smelting metal
Crucible.
Although crystalline flake graphite is widely applied in shaping refractory product, crystalline flake graphite is nonpolar solid
Substance has natural hydrophobicity, and wettability is excessively poor, is difficult in castable refractory system evenly dispersed, and increases
The water consumption of castable, easily leads to the rising of the castable refractory porosity, and structure becomes loose so that the usability of castable refractory
It can decline.These all hinder application of the crystalline flake graphite in castable refractory, in particular for carbon content be 5% or more it is resistance to
In fiery castable system.
Invention content
The present invention is directed to overcome the deficiencies in the prior art, and it is an object of the present invention to provide a kind of simple for process, with short production cycle, cost
The preparation method of hydrophily graphite that is cheap and polluting small castable refractory water consumption, prepared castable refractory is with hydrophilic
Property graphite good dispersion and water consumption in castable refractory it is small, the resistance to slag corrosion of castable refractory can be improved and stablized with thermal shock
Property.
The technical solution adopted in the present invention is：First by the water of the graphene oxide and 500 parts of quality of 0.5 ~ 10 part of quality
Mixing, 30 ~ 60min of ultrasonic disperse obtain graphene oxide aqueous dispersions；Again by the crystalline flake graphite of 90 ~ 99.5 parts of quality and 0 ~
The dispersant of 0.1 part of quality is added in the graphene oxide aqueous dispersions, and 30 ~ 60min of ultrasonic disperse obtains graphite oxide
Alkene wraps up the mixed liquor of graphite；Then mixed liquor that the graphene oxide is wrapped up to graphite is dried under the conditions of 105 ~ 110 DEG C
24 ~ 48h dries 24 ~ 48h under freezing conditions, and castable refractory hydrophily graphite is made.
The C content of the crystalline flake graphite is 95 ~ 99.9wt%, and granularity is 0.045 ~ 0.25mm.
The graphene oxide is made using the oxidation of Hummers methods.
The dispersant is one or more of sodium carboxymethylcellulose, sodium tripolyphosphate and calgon.
Due to the adoption of the above technical scheme, the present invention has following good effect compared with prior art：
1）The present invention only has several atomic layer level thickness using graphene oxide made from Hummers methods, have it is good from
Spreadability only needs a small amount of graphene oxide to can be realized to the good package of graphite；The addition of micro dispersant improves oxygen
For graphite alkene to the package degree of graphite, the hydrophily of graphite is good.
2）The present invention can advantageously control parent by controlling the addition of graphene oxide using different drying modes
The performance of watersoluble plumbago/price ratio, to meet the requirement of the castable refractory of multiscale.
3）The present invention can be prepared by castable refractory hydrophilic graphite using graphene oxide, crystalline flake graphite and dispersant
Ink, it is simple for process, it is with short production cycle, it is of low cost；Additionally, due to be not introduced into influence castable refractory performance other raw materials and
Its impurity, the preparation process feature of environmental protection are good.4）Castable refractory hydrophily graphite produced by the present invention can make crystalline flake graphite resistance to
Water consumption that is evenly dispersed in fiery castable, reducing castable refractory, convenient for improve castable refractory resistance to slag corrosion with
Thermal shock resistance.
Therefore, the present invention has the characteristics that simple for process, with short production cycle, of low cost and pollution is small, and prepared is resistance to
Good dispersion and water consumption in castable refractory are small with hydrophily graphite for fiery castable, and the anti-slag that can improve castable refractory is invaded
Corrosion and thermal shock resistance.
Specific implementation mode
The invention will be further described With reference to embodiment, not to the limitation of its protection domain.
In present embodiment：The C content of the crystalline flake graphite is 95 ~ 99.9wt%；The graphene oxide is to use
The oxidation of Hummers methods is made.It is repeated no more in embodiment.
Embodiment 1
A kind of castable refractory hydrophily graphite and preparation method thereof.The preparation method is：By 7 ~ 10 parts of quality
Graphene oxide is mixed with the water of 500 parts of quality, and 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；Again by 90 ~
The crystalline flake graphite of 93 parts of quality is added in the graphene oxide aqueous dispersions, 30 ~ 60min of ultrasonic disperse, obtains oxidation stone
The mixed liquor of black alkene package graphite；Then the mixed liquor for the graphene oxide being wrapped up to graphite dries under the conditions of 105 ~ 110 DEG C
Dry 24 ~ 48h, is made castable refractory hydrophily graphite.
The granularity of crystalline flake graphite described in the present embodiment is 0.045 ~ 0.1mm.
Embodiment 2
A kind of castable refractory hydrophily graphite and preparation method thereof.The preparation method is：By 7 ~ 10 parts of quality
Graphene oxide is mixed with the water of 500 parts of quality, and 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；Again by 90 ~
The crystalline flake graphite of 93 parts of quality and the dispersant of 0.05 ~ 0.1 part of quality are added in the graphene oxide aqueous dispersions, ultrasound
Disperse 30 ~ 60min, obtains the mixed liquor of graphene oxide package graphite；Then the graphene oxide is wrapped up into the mixed of graphite
It closes liquid and dries 24 ~ 48h under the conditions of 105 ~ 110 DEG C, castable refractory hydrophily graphite is made.
In the present embodiment：The granularity of the crystalline flake graphite is 0.045 ~ 0.1mm；The dispersant is carboxymethyl cellulose
Sodium.
Embodiment 3
A kind of castable refractory hydrophily graphite and preparation method thereof.The preparation method is：By the oxygen of 5 ~ 8 parts of quality
Graphite alkene is mixed with the water of 500 parts of quality, and 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；Again by 92 ~ 95
The crystalline flake graphite of part quality and the dispersant of 0.05 ~ 0.1 part of quality are added in the graphene oxide aqueous dispersions, ultrasound point
30 ~ 60min is dissipated, the mixed liquor of graphene oxide package graphite is obtained；Then the graphene oxide is wrapped up to the mixing of graphite
Liquid dries 24 ~ 48h under freezing conditions, and castable refractory hydrophily graphite is made.
In the present embodiment：The granularity of the crystalline flake graphite is 0.1 ~ 0.15mm；The dispersant is sodium tripolyphosphate.
Embodiment 4
A kind of castable refractory hydrophily graphite and preparation method thereof.The preparation method is：By the oxygen of 5 ~ 8 parts of quality
Graphite alkene is mixed with the water of 500 parts of quality, and 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；Again by 92 ~ 95
The crystalline flake graphite of part quality is added in the graphene oxide aqueous dispersions, and 30 ~ 60min of ultrasonic disperse obtains graphite oxide
Alkene wraps up the mixed liquor of graphite；Then by the graphene oxide wrap up graphite mixed liquor under freezing conditions dry 24 ~
Castable refractory hydrophily graphite is made in 48h.
The granularity of crystalline flake graphite described in the present embodiment is 0.1 ~ 0.15mm.
Embodiment 5
A kind of castable refractory hydrophily graphite and preparation method thereof.The preparation method is：By the oxygen of 3 ~ 6 parts of quality
Graphite alkene is mixed with the water of 500 parts of quality, and 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；Again by 94 ~ 97
The crystalline flake graphite of part quality and the dispersant of 0.05 ~ 0.1 part of quality are added in the graphene oxide aqueous dispersions, ultrasound point
30 ~ 60min is dissipated, the mixed liquor of graphene oxide package graphite is obtained；Then the graphene oxide is wrapped up to the mixing of graphite
Liquid dries 24 ~ 48h under the conditions of 105 ~ 110 DEG C, and castable refractory hydrophily graphite is made.
In the present embodiment：The granularity of the crystalline flake graphite is 0.15 ~ 0.2mm；The dispersant is calgon.
Embodiment 6
A kind of castable refractory hydrophily graphite and preparation method thereof.
The present embodiment is in addition to the dispersant is the mixture of sodium carboxymethylcellulose and sodium tripolyphosphate, remaining is the same as implementation
Example 5.
Embodiment 7
A kind of castable refractory hydrophily graphite and preparation method thereof.The preparation method is：By 0.5 ~ 4 part of quality
Graphene oxide is mixed with the water of 500 parts of quality, and 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；Again by 96 ~
The crystalline flake graphite of 99.5 parts of quality and the dispersant of 0.05 ~ 0.1 part of quality are added in the graphene oxide aqueous dispersions, are surpassed
Sound disperses 30 ~ 60min, obtains the mixed liquor of graphene oxide package graphite；Then the graphene oxide is wrapped up into graphite
Mixed liquor dries 24 ~ 48h under freezing conditions, and castable refractory hydrophily graphite is made.
In the present embodiment：The granularity of the crystalline flake graphite is 0.2 ~ 0.25mm；The dispersant is sodium tripolyphosphate and six
The mixture of sodium metaphosphate.
Embodiment 8
A kind of castable refractory hydrophily graphite and preparation method thereof.
Dispersant described in the present embodiment is the mixture of sodium carboxymethylcellulose, sodium tripolyphosphate and calgon.
Present embodiment has following good effect compared with prior art：
1）Present embodiment only has several atomic layer level thickness using graphene oxide made from Hummers methods, has
It is good from spreadability, only an a small amount of graphene oxide is needed to can be realized to the good package of graphite；The addition of micro dispersant
Package degree of the graphene oxide to graphite is improved, the hydrophily of graphite is good.
2）Present embodiment can be facilitated by controlling the addition of graphene oxide using different drying modes
Ground controls performance/price ratio of hydrophily graphite, to meet the requirement of the castable refractory of multiscale.
3）Present embodiment can be prepared by castable refractory parent using graphene oxide, crystalline flake graphite and dispersant
Watersoluble plumbago, it is simple for process, it is with short production cycle, it is of low cost；Additionally, due to other for being not introduced into influence castable refractory performance
Raw material and its impurity, the preparation process feature of environmental protection are good.4）The hydrophily graphite energy of castable refractory made from present embodiment
Make the water consumption that crystalline flake graphite is evenly dispersed in castable refractory, reduces castable refractory, convenient for improving castable refractory
Resistance to slag corrosion and thermal shock resistance.
Therefore, present embodiment has the characteristics that simple for process, with short production cycle, of low cost and pollutes small, institute
Good dispersion and water consumption in castable refractory are small with hydrophily graphite for the castable refractory of preparation, can improve castable refractory
Resistance to slag corrosion and thermal shock resistance.
Claims (5)
1. a kind of castable refractory preparation method of hydrophily graphite, it is characterised in that first by the oxidation stone of 0.5 ~ 10 part of quality
Black alkene is mixed with the water of 500 parts of quality, and 30 ~ 60min of ultrasonic disperse obtains graphene oxide aqueous dispersions；Again by 90 ~ 99.5 parts
The crystalline flake graphite of quality and the dispersant of 0 ~ 0.1 part of quality are added in the graphene oxide aqueous dispersions, and ultrasonic disperse 30 ~
60min obtains the mixed liquor of graphene oxide package graphite；Then mixed liquor that the graphene oxide is wrapped up to graphite exists
24 ~ 48h is dried under the conditions of 105 ~ 110 DEG C or dries 24 ~ 48h under freezing conditions, and castable refractory hydrophily graphite is made.
2. the castable refractory according to claim 1 preparation method of hydrophily graphite, it is characterised in that the scale
The C content of graphite is 95 ~ 99.9wt%, and granularity is 0.045 ~ 0.25mm.
3. the castable refractory according to claim 1 preparation method of hydrophily graphite, it is characterised in that the oxidation
Graphene is made using the oxidation of Hummers methods.
4. the castable refractory according to claim 1 preparation method of hydrophily graphite, it is characterised in that the dispersion
Agent is one or more of sodium carboxymethylcellulose, sodium tripolyphosphate and calgon.
5. a kind of castable refractory hydrophily graphite, it is characterised in that the castable refractory is according to power with hydrophily graphite
Profit requires the castable refractory prepared by the preparation method of any one of 1 ~ 4 castable refractory hydrophily graphite close
Watersoluble plumbago.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808547.3A CN106379895B (en) | 2016-09-08 | 2016-09-08 | A kind of castable refractory hydrophily graphite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808547.3A CN106379895B (en) | 2016-09-08 | 2016-09-08 | A kind of castable refractory hydrophily graphite and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106379895A CN106379895A (en) | 2017-02-08 |
| CN106379895B true CN106379895B (en) | 2018-07-24 |
Family
ID=57939681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808547.3A Active CN106379895B (en) | 2016-09-08 | 2016-09-08 | A kind of castable refractory hydrophily graphite and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106379895B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627059B (en) * | 2019-10-13 | 2022-03-11 | 武汉善达化工有限公司 | Dispersible graphite powder and preparation method thereof |
| CN116867753A (en) * | 2021-04-07 | 2023-10-10 | 杰富意钢铁株式会社 | Castable refractory |
| CN113443853A (en) * | 2021-07-05 | 2021-09-28 | 宜兴必方陶瓷科技有限公司 | Preparation method of hydrophilic graphite for carbon-containing refractory material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186456A (en) * | 2007-12-06 | 2008-05-28 | 上海大学 | Method for preparing hydrophilic graphite/oxide composite powder |
| CN103817336A (en) * | 2014-02-20 | 2014-05-28 | 中国科学院深圳先进技术研究院 | Preparation method of graphene oxide composite and preparation method of graphene composite |
| CN104231684A (en) * | 2014-09-24 | 2014-12-24 | 景德镇陶瓷学院 | Super-hydrophilic anti-fogging oxidized graphene coating, preparation method and application thereof |
| CN104495780A (en) * | 2014-12-30 | 2015-04-08 | 浙江碳谷上希材料科技有限公司 | Hydrophilic graphene-carbon nano-tube composite super-light elastic aerogel and preparation method thereof |
-
2016
- 2016-09-08 CN CN201610808547.3A patent/CN106379895B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186456A (en) * | 2007-12-06 | 2008-05-28 | 上海大学 | Method for preparing hydrophilic graphite/oxide composite powder |
| CN103817336A (en) * | 2014-02-20 | 2014-05-28 | 中国科学院深圳先进技术研究院 | Preparation method of graphene oxide composite and preparation method of graphene composite |
| CN104231684A (en) * | 2014-09-24 | 2014-12-24 | 景德镇陶瓷学院 | Super-hydrophilic anti-fogging oxidized graphene coating, preparation method and application thereof |
| CN104495780A (en) * | 2014-12-30 | 2015-04-08 | 浙江碳谷上希材料科技有限公司 | Hydrophilic graphene-carbon nano-tube composite super-light elastic aerogel and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 石墨烯／氧化铝复合粉体的制备及其在浇注料中的应用;熊鑫;《万方学位论文》;20131231;第1-62页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106379895A (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106379895B (en) | A kind of castable refractory hydrophily graphite and preparation method thereof | |
| CN102173840B (en) | Unburned MgO-Cr3C2-C brick for steelmaking | |
| CN107352977A (en) | A kind of slag line brick for ladle and preparation method | |
| CN102765953B (en) | Magnesia carbon brick containing composite antioxidant and preparation thereof | |
| CN103332940B (en) | Semi-rebonded magnesite-chrome brick for copper smelter and preparation method thereof | |
| CN110240466A (en) | A kind of low-carbon Ultra-low carbon carbon containing refractory and preparation method thereof combined containing the micro-nano graphite flake phenolic resin of two dimension removed in situ | |
| CN110330314A (en) | A kind of steel-making refining inner lining of furnace low-carbon Ultra-low carbon mg-ca-carbon refractory and preparation method thereof | |
| CN103464738B (en) | Add corrupt split slide plate and the production method thereof of titanium | |
| CN110436946A (en) | A kind of acidproof spray paint for hot-blast stove vault high temperature position | |
| CN102276275A (en) | Method for producing magnesium carbon bricks by using microwave heating technology | |
| CN104529491B (en) | The preparation method of the magnesia carbon brick of different carbon content compounds | |
| CN106747510A (en) | One kind is without silicon powder iron runner castable and preparation method thereof | |
| CN110143807A (en) | A kind of ladle slag line metallic composite low carbon magnesium carbon brick and preparation method thereof | |
| CN104478449A (en) | Machined carbon-free corundum spinel brick for ladles and preparation method thereof | |
| CN107162604A (en) | A kind of high temperature, which is burnt till, exempts from dipping sliding plate brick and preparation method thereof | |
| CN107602087A (en) | A kind of fire resisting low carbon magnesia carbon brick | |
| CN105272320B (en) | Unfired Al2O3-Cr7C3 brick for hot metal ladle wall and preparation method thereof | |
| JP2013072090A (en) | Method for operating converter, magnesia carbon brick used in the converter, method for manufacturing the brick, and lining structure of the converter | |
| CN110041087A (en) | A kind of vacuum processing silicon steel chromium-free brick and its production method | |
| CN108585895A (en) | A method of addition ternary compound prepares high-performance magnesia carbon brick | |
| CN108033778A (en) | A kind of preparation method of low-carbon fire resisting long nozzle material | |
| CN107244925A (en) | A kind of preparation method of glucose combination magnesia carbon brick | |
| CN103804000B (en) | A kind of dense form high strength SiAlON is in conjunction with iron runner castable and preparation method thereof | |
| CN103613392A (en) | Refractory lining material for RH (Ruhrstahl-Hausen) vacuum furnace, preparation method of refractory material and RH vacuum furnace | |
| CN110255970A (en) | A kind of sintering free low carbon magnesia carbon brick and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |