CN107140998A - Industrial kiln recycling type basket pouring material and its preparation technology - Google Patents
Industrial kiln recycling type basket pouring material and its preparation technology Download PDFInfo
- Publication number
- CN107140998A CN107140998A CN201710407385.7A CN201710407385A CN107140998A CN 107140998 A CN107140998 A CN 107140998A CN 201710407385 A CN201710407385 A CN 201710407385A CN 107140998 A CN107140998 A CN 107140998A
- Authority
- CN
- China
- Prior art keywords
- castable
- industrial kiln
- recycling type
- type basket
- processing
- 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.)
- Withdrawn
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
- C04B35/66—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
- 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
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
-
- 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
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- 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
-
- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Abstract
The invention discloses industrial kiln recycling type basket pouring material and its preparation technology, industrial kiln recycling type basket pouring material includes following components, and each component percentage by weight is：Useless pouring materialfor steel ladle 70~85%, high grade bauxite 10~25%, mullite 1~6%, silicon powder 2~3%, cement 2~3%, additive 0.1~0.15%.The industrial kiln recycling type basket pouring material of the present invention can not only save mineral resources; and reduce environmental pollution; so as to substantially reduce the cost of refractory material; and reduce the pollution to environment of part trade waste; be conducive to the protection of environment; the energy, the secondary utilization of resource are realized, with obvious energy-conserving and environment-protective effect.
Description
Technical field
The present invention relates to a kind of basket pouring material and its preparation technology, particularly a kind of industrial kiln recycling type
Basket pouring material and its preparation technology.
Background technology
The Industrial Stoves of the high temperature industry such as steel, cement, glass will consume substantial amounts of refractory material every year, while also producing
Raw a large amount of waste refractory materials, so as to cause the waste and serious environmental pollution of a large amount of available resources.At present to discarded middle
The recycling of bag castable, is typically, simply by reclaiming particulate material, adding substrate material, to be obtained by this method production
Regenerative basket pouring material there is many drawbacks：（1）Recovery processing technique is excessively simple, and raw material recovery rate is low；（2）It is discarded
Material is used as aggregate ratio and is less than 70%, need to add a large amount of generic media material；（3）The service life of liner is short.
The content of the invention
It is an object of the present invention to provide a kind of industrial kiln recycling type basket pouring material and its preparation work
Skill, can not only save mineral resources, and reduce environmental pollution, so as to substantially reduce the cost of refractory material, and subtract
Lack the pollution to environment of part trade waste, be conducive to the protection of environment, realize the energy, the secondary utilization of resource,
With obvious energy-conserving and environment-protective effect.
Technical scheme：Industrial kiln recycling type basket pouring material, it is characterised in that including following
Component, each component percentage by weight is：Useless pouring materialfor steel ladle 70~85%, high grade bauxite 10~25%, mullite 1~6%, silicon are micro-
Powder 2~3%, cement 2~3%, additive 0.1~0.15%.
Foregoing industrial kiln recycling type basket pouring material, the model M40 of the mullite.
Foregoing industrial kiln recycling type basket pouring material, the useless pouring materialfor steel ladle includes following components,
Each component percentage by weight is：Castable 15 is discarded after castable 8~10%, 5~3mm processing are discarded after 10~5mm of particle diameter processing
~25%, castable 10~20% is discarded after castable 20~30%, 1~0.5mm processing being discarded after 3~1mm processing.
Foregoing industrial kiln recycling type basket pouring material, the useless pouring materialfor steel ladle includes following components,
Each component percentage by weight is：Castable 20%, 3 is discarded after castable 10%, 5~3mm processing are discarded after 10~5mm of particle diameter processing
Castable 15% is discarded after castable 25%, 1~0.5mm processing are discarded after~1mm processing.
Foregoing industrial kiln recycling type basket pouring material, the apparent porosity of the basket pouring material
（1450℃×3h）More than 16%, rupture strength（1450℃×3h）More than 10MPa, compressive resistance（110℃×24h）It is more than
60MPa, compressive resistance（1450℃×3h）More than 120MPa, Linear change rate（1450℃×3h）Less than 1%.
Foregoing industrial kiln recycling type basket pouring material, the industrial kiln recycling type tundish
Castable is prepared according to the following steps：
A, selection particle diameter are more than 200mm useless pouring materialfor steel ladle；
B, hand breaking to particle diameter are less than 150 mm, and particle diameter is then crushed material to jaw crusher less than 25 mm；
C, the particulate material that 1kg steps B is obtained is weighed every time, be placed in rolling in edge runner and handle, 5~11min of processing time, to place
Particulate material after reason carries out screening process, screens out 10~5mm of particle diameter and discards castable, 5~3mm discarded castable, 3~1mm
Discarded castable, 1~0.5mm discard castable；
D, the percentage by weight respectively expected in formula weighed into required raw material, first by coarse granule, fine grained, micro mist pours stirring into together
Stirred in pot, make to add the water for being slowly added to 7% between aggregate and powder after general uniform distribution, 15s while stirring, and fully stir
Mix uniform.
Compared with prior art, the present invention chooses to useless pouring materialfor steel ladle, the technique such as broken and rolling, removes false
Grain, improve reclaim raw material performance, and simultaneously cause particle not only surface is smooth, mellow and full, structure is finer and close, and tool
There is certain regular shape, the bulk density and apparent porosity of particle have also obtained larger improvement so that hold during blend ingredients
It is easily well mixed, every mechanical performance of product can be improved, the service life of product is improved.
Embodiment
The present invention is further illustrated for example below, but is not intended as to the foundation of the invention limited.
Embodiment 1：Industrial kiln recycling type basket pouring material, including following components, each component weight percent
Than for：Useless pouring materialfor steel ladle 70%, high grade bauxite 25%, mullite 1%, silicon powder 2%, cement 2%, additive 0.15%.
Embodiment 2：Industrial kiln recycling type basket pouring material, including following components, each component weight percent
Than for：Useless pouring materialfor steel ladle 80%, high grade bauxite 10%, mullite 6%, silicon powder 2%, cement 2%, additive 0.15%.
Embodiment 3：Industrial kiln recycling type basket pouring material, including following components, each component weight percent
Than for：Useless pouring materialfor steel ladle 85%, high grade bauxite 10%, mullite 1%, silicon powder 2%, cement 2%, additive 0.15%.
Embodiment 4：Industrial kiln recycling type basket pouring material, including following components, each component weight percent
Than for：Useless pouring materialfor steel ladle 70%, high grade bauxite 18%, mullite 6%, silicon powder 3%, cement 3%, additive 0.15%.
In 4 kinds of embodiments of the above, the model M40 of the mullite.
In 4 kinds of embodiments of the above, the useless pouring materialfor steel ladle includes following components, and each component percentage by weight is：Particle diameter
Discarded after 10~5mm processing after castable 20%, 3~1mm processing are discarded after castable 10%, 5~3mm processing and discard castable
25%th, castable 15% is discarded after 1~0.5mm processing.
In 4 kinds of embodiments of the above, the apparent porosity of the basket pouring material（1450℃×3h）More than 16%, anti-folding is strong
Degree（1450℃×3h）More than 10MPa, compressive resistance（110℃×24h）More than 60MPa, compressive resistance（1450℃×3h）Greatly
In 120MPa, Linear change rate（1450℃×3h）Less than 1%.
In 4 kinds of embodiments of the above, the industrial kiln recycling type basket pouring material is to prepare according to the following steps
's：
A, selection particle diameter are more than 200mm useless pouring materialfor steel ladle；
B, hand breaking to particle diameter are less than 150 mm, and particle diameter is then crushed material to jaw crusher less than 25 mm；
C, the particulate material that 1kg steps B is obtained is weighed every time, be placed in rolling in edge runner and handle, 5~11min of processing time, to place
Particulate material after reason carries out screening process, screens out 10~5mm of particle diameter and discards castable, 5~3mm discarded castable, 3~1mm
Discarded castable, 1~0.5mm discard castable；
D, the percentage by weight respectively expected in formula weighed into required raw material, first by coarse granule, fine grained, micro mist pours stirring into together
Stirred in pot, make to add the water for being slowly added to 7% between aggregate and powder after general uniform distribution, 15s while stirring, and fully stir
Mix uniform.
The industrial kiln recycling type basket pouring material of the present invention has the following advantages：
1), the amount of water of castable prepared by reworked material is significantly lower than the commodity castable of onsite application, has even added enough
Water, bleeding situation of the latter in forming process is nor very well, the exclusion situation of stomata is also not ideal enough；
2) indices after, the castable prepared using reworked material, its maintenance, drying and 1450 DEG C, 3h burnings are superior to scene
The commodity castable used；
3), linear shrinkage has obvious reduction after the burning for the castable that the addition of M40 mullites is prepared to reworked material.
The present invention makes basket pouring material be recycled utilization with rear dead meal, and its service life averagely reaches 905 times, surpasses
Cross 746 times of the life-span of former castable, on the one hand reduce steel mill's exhaust emission of the rear waste material to environment, on the other hand due to
With dead meal, it is reduced originally using the amount of sintering alumina, protection local environment and resource are saved for firing alumina
The consumption of coal.
The present invention through processing after reworked material, can not only save mineral resources, and decrease environmental pollution,
So as to substantially reduce the cost of refractory material, and the pollution to environment of part trade waste is reduced, be conducive to environment
Protection, the energy, the secondary utilization of resource are realized, with obvious energy conservation and environmental protection benefit.The implementation of the present invention is to pushing away comprehensively
Enter environmental area scientific and technical innovation, advocate Mode of Circular, make resource obtain fully effectively utilizing, reduce to greatest extent discarded
Thing is discharged, and realizes that positive role is played in the sustainable development of socio-economy.
Claims (6)
1. industrial kiln recycling type basket pouring material, it is characterised in that including following components, each component weight percent
Than for：It is useless pouring materialfor steel ladle 70~85%, high grade bauxite 10~25%, mullite 1~6%, silicon powder 2~3%, cement 2~3%, outer
Plus agent 0.1~0.15%.
2. industrial kiln recycling type basket pouring material according to claim 1, it is characterised in that described not come
The model M40 of stone.
3. industrial kiln recycling type basket pouring material according to claim 1, it is characterised in that the steel scrap
Bag castable includes following components, and each component percentage by weight is：10~5mm of particle diameter processing after discard castable 8~10%, 5~
Discard to discard to discard after castable 20~30%, 1~0.5mm processing after castable 15~25%, 3~1mm processing after 3mm processing and pour
Material feeding 10~20%.
4. industrial kiln recycling type basket pouring material according to claim 3, it is characterised in that the steel scrap
Bag castable includes following components, and each component percentage by weight is：Castable 10%, 5~3mm are discarded after 10~5mm of particle diameter processing
Discarded after processing after castable 25%, 1~0.5mm processing are discarded after castable 20%, 3~1mm processing and discard castable 15%.
5. industrial kiln recycling type basket pouring material according to claim 1, it is characterised in that the centre
The apparent porosity of bag castable（1450℃×3h）More than 16%, rupture strength（1450℃×3h）More than 10MPa, compressive resistance
（110℃×24h）More than 60MPa, compressive resistance（1450℃×3h）More than 120MPa, Linear change rate（1450℃×3h）It is less than
1%。
6. the industrial kiln recycling type basket pouring material according to claim 1 to 5 any claim, it is special
Levy and be, the industrial kiln recycling type basket pouring material is prepared according to the following steps：
A, selection particle diameter are more than 200mm useless pouring materialfor steel ladle；
B, hand breaking to particle diameter are less than 150 mm, and particle diameter is then crushed material to jaw crusher less than 25 mm；
C, the particulate material that 1kg steps B is obtained is weighed every time, be placed in rolling in edge runner and handle, 5~11min of processing time, to place
Particulate material after reason carries out screening process, screens out 10~5mm of particle diameter and discards castable, 5~3mm discarded castable, 3~1mm
Discarded castable, 1~0.5mm discard castable；
D, the percentage by weight respectively expected in formula weighed into required raw material, first by coarse granule, fine grained, micro mist pours stirring into together
Stirred in pot, make to add the water for being slowly added to 7% between aggregate and powder after general uniform distribution, 15s while stirring, and fully stir
Mix uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710407385.7A CN107140998A (en) | 2017-06-02 | 2017-06-02 | Industrial kiln recycling type basket pouring material and its preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710407385.7A CN107140998A (en) | 2017-06-02 | 2017-06-02 | Industrial kiln recycling type basket pouring material and its preparation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107140998A true CN107140998A (en) | 2017-09-08 |
Family
ID=59780362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710407385.7A Withdrawn CN107140998A (en) | 2017-06-02 | 2017-06-02 | Industrial kiln recycling type basket pouring material and its preparation technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107140998A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140999A (en) * | 2017-06-02 | 2017-09-08 | 湖州知维技术服务有限公司 | A kind of industrial kiln recycling type basket pouring material |
| CN109265185A (en) * | 2018-10-30 | 2019-01-25 | 浙江锦诚新材料股份有限公司 | A kind of Special castable for kiln outlet |
| CN109650916A (en) * | 2019-01-23 | 2019-04-19 | 浙江红鹰集团股份有限公司 | Recycle the castable and recoverying and utilizing method of tundish waste refractory materials |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415446A (en) * | 2001-10-29 | 2003-05-07 | 宝山钢铁股份有限公司 | Pouring material for permanent liner in pouring basket |
| CN101580398A (en) * | 2009-06-29 | 2009-11-18 | 河南省耕生耐火材料有限公司 | Ladle kerb casting material and ladle kerb preparation method thereof |
| CN101613215A (en) * | 2009-07-23 | 2009-12-30 | 湖州长城冶金辅料有限公司 | Recycle type basket pouring material formula and manufacturing process thereof |
| CN103787679A (en) * | 2012-11-03 | 2014-05-14 | 无锡成博科技发展有限公司 | Steel ladle permanent lining castable |
| CN104496500A (en) * | 2014-12-29 | 2015-04-08 | 通达耐火技术股份有限公司 | Castable for ladle and preparation method thereof |
| CN107140999A (en) * | 2017-06-02 | 2017-09-08 | 湖州知维技术服务有限公司 | A kind of industrial kiln recycling type basket pouring material |
-
2017
- 2017-06-02 CN CN201710407385.7A patent/CN107140998A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415446A (en) * | 2001-10-29 | 2003-05-07 | 宝山钢铁股份有限公司 | Pouring material for permanent liner in pouring basket |
| CN101580398A (en) * | 2009-06-29 | 2009-11-18 | 河南省耕生耐火材料有限公司 | Ladle kerb casting material and ladle kerb preparation method thereof |
| CN101613215A (en) * | 2009-07-23 | 2009-12-30 | 湖州长城冶金辅料有限公司 | Recycle type basket pouring material formula and manufacturing process thereof |
| CN103787679A (en) * | 2012-11-03 | 2014-05-14 | 无锡成博科技发展有限公司 | Steel ladle permanent lining castable |
| CN104496500A (en) * | 2014-12-29 | 2015-04-08 | 通达耐火技术股份有限公司 | Castable for ladle and preparation method thereof |
| CN107140999A (en) * | 2017-06-02 | 2017-09-08 | 湖州知维技术服务有限公司 | A kind of industrial kiln recycling type basket pouring material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140999A (en) * | 2017-06-02 | 2017-09-08 | 湖州知维技术服务有限公司 | A kind of industrial kiln recycling type basket pouring material |
| CN109265185A (en) * | 2018-10-30 | 2019-01-25 | 浙江锦诚新材料股份有限公司 | A kind of Special castable for kiln outlet |
| CN109650916A (en) * | 2019-01-23 | 2019-04-19 | 浙江红鹰集团股份有限公司 | Recycle the castable and recoverying and utilizing method of tundish waste refractory materials |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103467118B (en) | A kind of high utilization rate regenerative magnesia-carbon brick and manufacture method thereof | |
| CN103922770B (en) | Self-flowing castable with waste blast furnace main runner material as main raw material and making method of self-flowing castable | |
| CN103613398B (en) | Collector nozzle of ladle mould material being aggregate with mouth of a river reclaimed materials under corundum and preparation method thereof | |
| CN104193373B (en) | The regeneration method of waste and old aluminium sesquioxide-silicon carbide-carbon fire resistant materials | |
| CN103693977B (en) | Regenerated pouring material used for swinging runner and prepared from waste slide plates and preparation method of regenerated pouring material | |
| CN109704725B (en) | Ceramic polishing slag ceramsite for sludge in urban sewage treatment and preparation method thereof | |
| CN104529312B (en) | Large dosage high-strength nickel slag brick and preparation method thereof | |
| CN104030633A (en) | Nickel slag concrete | |
| CN105837067B (en) | A kind of red mud and flyash geology polymer material formula and preparation method thereof | |
| CN111253093B (en) | Cementing material containing coal-to-liquid coarse slag and preparation method thereof | |
| CN107140998A (en) | Industrial kiln recycling type basket pouring material and its preparation technology | |
| CN106278298A (en) | Separator material for casting residue slag pot grid and preparation method thereof | |
| CN102515797B (en) | Low-cost magnesium gunning material and its preparation method | |
| CN110563449A (en) | Environment-friendly magnesia-carbon gunning mix for RH furnace and preparation method thereof | |
| CN105622070A (en) | Magnesia-carbon brick prepared from residual magnesia-carbon bricks and preparation method of magnesia-carbon brick | |
| CN103304141A (en) | Glass ceramic prepared by compounding steel slag and red mud and preparation method thereof | |
| CN102942372A (en) | Manufacturing method for producing recycled magnesia carbon brick by using waste magnesia carbon brick as raw material | |
| CN111925189A (en) | Composite magnesia carbon brick and preparation method thereof | |
| CN107840673A (en) | A kind of VOD ladles gunning refractory and its production method | |
| CN107721436A (en) | A kind of metallurgical intermediate frequency furnace dry type ramming material | |
| CN107176804A (en) | Metallurgy steel slag tank grid and its production method | |
| CN104193372A (en) | High-strength alkali-resistant castable and preparation method thereof | |
| CN107673767B (en) | Low-carbon aluminum sliding plate added with magnesium-calcium-aluminum sand and preparation method thereof | |
| CN109320266A (en) | A method of environment-friendly type rapid-curing cutback converter gunning is produced using waste and old magnesia-calcium brick | |
| CN107098710A (en) | One kind does not burn magnesia carbon brick 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170908 |
|
| WW01 | Invention patent application withdrawn after publication |