CN106242592A - A kind of anti-avalanche coating tundish material and preparation method thereof - Google Patents

A kind of anti-avalanche coating tundish material and preparation method thereof Download PDF

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CN106242592A
CN106242592A CN201610573892.3A CN201610573892A CN106242592A CN 106242592 A CN106242592 A CN 106242592A CN 201610573892 A CN201610573892 A CN 201610573892A CN 106242592 A CN106242592 A CN 106242592A
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fiber
minutes
powder
weighing
avalanche
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CN106242592B (en
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张文国
李乃动
孙晓
孟凡祥
梁绪正
张滨
李宪奎
李华君
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Shandong Guomao Metallurgical Materials Co Ltd
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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
    • C04B35/66—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
    • C04B35/01—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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    • 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
    • C04B2235/34—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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    • 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
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • 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
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • C04B2235/402—Aluminium
    • 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
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5212—Organic
    • C—CHEMISTRY; METALLURGY
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    • 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

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  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
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Abstract

The present invention relates to a kind of anti-avalanche coating tundish material and preparation method thereof, belong to unshape refractory technical field, it is characterized in that, it is made up of the raw material of following weight percentage ratio: particle diameter is the high ferro magnesite clinker 20～30% of 3～1mm, particle diameter is 1～0.5mm high ferro magnesite clinker 18～25%, particle diameter≤0.5mm high ferro magnesite clinker 18～25%, 200 mesh 92 magnesite clinkers 0～35%, 200 mesh fused magnesites 0～35%, sodium tripolyphosphate 0～1%, sodium pyrophosphate 0～1%, Guangxi White clay 1～4%, silicon powder 0～2%, ethylene glycol 0.1～0.4%, yellow starch gum 0.2～0.5%, metallic aluminium powder 0.01～0.05%, paper fiber 1～2.2%, explosion-proof fiber 0～0.2%；Above-mentioned raw materials is made into 100%.The coating of the present invention has excellent workability, and water-retaining property is preferable, flawless during maintenance, and low temperature intensity is higher, not avalanche during quick baking, does not ftractures.Serviceability is preferable.

Description

A kind of anti-avalanche coating tundish material and preparation method thereof
Technical field
The present invention relates to a kind of anti-avalanche coating tundish material and preparation method thereof, belong to unshape refractory technology neck Territory.
Background technology
At present, along with the development of steel-making continuous casting technology, the life-span of tundish lining refractory material is also constantly extending, Its inner lining refractory is the most gradually replaced by long-life dry materials.But, for producing special steel, the longevity of tundish lining Life is not that the longer the better.Because tundish lining uses time the longest refractory material etch the most serious, it is fire-resistant that etch is got off Material is the most the most easily produces pollution to molten steel, affects Cleanliness of Molten Steel.So coating just has a clear superiority in, and this is also current Many Special Steel Works tundish linings still use the reason of coating.Relative to dry materials, coating is more beneficial for purification of molten steel, And short construction period, low cost.
Stirring into mud owing to coating to add water when construction, therefore when baking, easily there is avalanche in coating liner Phenomenon, when especially producing special steel, the duration of pouring is short, tundish turnover is fast, it is sometimes desirable to quick baking, is so easier to occur collapsing Collapse.Once occur that avalanche directly affects steel mill's scheduling of production, cause direct economic loss.And affect steel quality.
Summary of the invention
The present invention is directed to the problem that coating tundish material produces avalanche when quick baking, it is provided that in the middle of a kind of anti-avalanche Coating skinning loam；Meanwhile, the invention provides the preparation method of this coating.
The present invention specifically the technical scheme is that
A kind of anti-avalanche coating tundish material, is characterized in that, be made up of the raw material of following weight percentage ratio:
Above-mentioned raw materials is made into 100%.
Wherein, described high ferro magnesite clinker is that the big block of more than 30mm processes, its content of MgO more than 90%, Fe2O3 Content 2～3.5%；It is finer and close than other magnesite clinker, body is close high, makes coating with it for main material, and amount of water is low, by force Degree height.
Wherein, described 92 magnesite clinkers are that the big block of more than 30mm processes, and its content of MgO is more than 91.5%.This In bright, " 92 magnesite clinker " is according to the Chinese of trade mark MS92 in GB/T2273-2007.
Wherein, described fused magnesite is 96 fused magnesites, and its content of MgO is more than 95.5%.In the present invention, " 96 electric-melting magnesium Sand " it is trade mark name, commercially it is easy to buying and arrives.
In described coating, metallic aluminium powder Al content is more than 99.7%, and granularity is 70～120 mesh.
Described anti-riot fiber is to make with polypropylene for primary raw material, has stretch-proof, impact resistance, raising bulk strength etc. Advantage, has extraordinary dispersibility, is mainly used in the unshape refractory such as coating, castable, is commercially easy to Obtain.
The anti-riot fiber that the present invention selects, its fiber median diameter is 80 microns, and in fiber, bit length is 4 millimeters, fusing Temperature is 120 DEG C.
In the present invention, described paper fiber is with the fiber made after old newsprint and the pulverizing of useless book, is commercially easy to obtain ?.
The preparation method of a kind of anti-avalanche coating tundish material, is characterized in that, comprise the steps:
(1) press the sodium tripolyphosphate after formula weighs, sodium pyrophosphate, Guangxi White clay, silicon powder, yellow starch gum, metallic aluminium powder Add in multifunctional mini-mixer and mix 20～30 minutes, standby in the woven bag of mixed material loading band plastic inner lining, it is referred to as mixing Powder；
(2) press formula weighing 3～1mm, 1～0.5mm, 0.5～0mm magnesia raw material, add in Forced Mixing machine and stir 1 point Clock, after being subsequently adding weighing, ethylene glycol mixes 2 minutes, and fully mixing makes ethylene glycol uniformly wrap up magnesia particle, adds weighing After explosion-proof fiber and paper fiber, mix 2～3 minutes, be eventually adding 200 mesh magnesia powder and mixed powders after weighing, then mix Close 8～15 minutes, make product.
The invention have the advantage that
1) coating of the present invention has excellent workability, and water-retaining property is preferable, and flawless during maintenance, low temperature intensity is relatively Height, not avalanche during quick baking, does not ftractures；Serviceability is preferable.
2) coating granularmetric composition of the present invention be level Four grain mixture ratio i.e.: 3～1mm, 1～0.5mm, 0.5～0mm, 200 mesh Fine powder, compared with usual tertiary granule proportioning, will not produce and affect the workability of coating because of granularity change.
3) present invention adds ethylene glycol and can reduce the amount of water of coating, improve intensity, and ethylene glycol can reduce water Vapour pressure, i.e. reduce moisture discharge temperature, during the baking of such coating, when low temperature, moisture just can be discharged, water when preventing high temperature Point discharge and too drastic to cause coating avalanche.In the present invention, yellow starch gum more can strengthen plasticity and the maintenance of coating than other plasticizer After intensity.
Detailed description of the invention
Embodiment one
1) formula:
3～1mm high ferro magnesite clinker 25%, 1～0.5mm high ferro magnesite clinker 20%, 0.5～0mm high ferro magnesite clinkers 20%, 200 mesh 92 magnesite clinkers 30%, sodium tripolyphosphate 0.5%, sodium pyrophosphate 0.5%, Guangxi White clay 1%, silicon powder 1%, ethylene glycol 0.15%, yellow starch gum 0.4%, metallic aluminium powder 0.01%, paper fiber 1.5%, explosion-proof fiber 0.1%.
2) preparation method:
(1) press the sodium tripolyphosphate after formula weighs, sodium pyrophosphate, Guangxi White clay, silicon powder, yellow starch gum, metallic aluminium powder Deng adding, multifunctional mini-mixer mixes 20～30 minutes, standby in the woven bag of mixed material loading band plastic inner lining, it is referred to as mixed Close powder.
(2) press formula weighing 3～1mm, 1～0.5mm, 0.5～0mm magnesia raw material, add in Forced Mixing machine and stir 1 point About clock.Being subsequently adding the liquid ethylene glycol after weighing to mix about 2 minutes, fully mixing makes liquid ethylene glycol uniformly wrap up magnesium Sand granule.Add the explosion-proof fiber after weighing and paper fiber, mix 2～3 minutes.It is eventually adding 200 mesh magnesia after weighing Fine powder and step mixed powder (1), remixes 8～15 minutes, makes product.
Embodiment two
1) formula:
3～1mm high ferro magnesite clinker 30%, 1～0.5mm high ferro magnesite clinker 20%, 0.5～0mm high ferro magnesite clinkers 20%, 200 mesh 92 magnesite clinkers 24%, sodium tripolyphosphate 0.25%, sodium pyrophosphate 0.25%, Guangxi White clay 3%, silicon powder 1%, ethylene glycol 0.1%, yellow starch gum 0.5%, metallic aluminium powder 0.015%, paper fiber 1%, explosion-proof fiber 0.1%.
2) preparation method:
(1) press the sodium tripolyphosphate after formula weighs, sodium pyrophosphate, Guangxi White clay, silicon powder, yellow starch gum, metallic aluminium powder Deng adding, multifunctional mini-mixer mixes 20～30 minutes, standby in the woven bag of mixed material loading band plastic inner lining, it is referred to as mixed Close powder.
(2) press formula weighing 3～1mm, 1～0.5mm, 0.5～0mm magnesia raw material, add in Forced Mixing machine and stir 1 point About clock.Being subsequently adding the liquid ethylene glycol after weighing to mix about 2 minutes, fully mixing makes liquid ethylene glycol uniformly wrap up magnesium Sand granule.Add the explosion-proof fiber after weighing and paper fiber, mix 2～3 minutes.It is eventually adding 200 mesh magnesia after weighing Fine powder and step mixed powder (1), remixes 8～15 minutes, makes product.
Embodiment three
1) formula:
3～1mm high ferro magnesite clinker 23%, 1～0.5mm high ferro magnesite clinker 22%, 0.5～0mm high ferro magnesite clinkers 18%, 200 mesh fused magnesites 31%, sodium tripolyphosphate 0.6%, Guangxi White clay 1%, silicon powder 2%, ethylene glycol 0.2%, Huang Dextrin 0.4%, metallic aluminium powder 0.01%, paper fiber 1.2%, explosion-proof fiber 0.15%.
2) preparation method:
(1) press the sodium tripolyphosphate after formula weighs, Guangxi White clay, silicon powder, yellow starch gum, metallic aluminium powder etc. and add little Type mixer mixes 20～30 minutes, standby in the woven bag of mixed material loading band plastic inner lining, referred to as mixed powder.
(2) press formula weighing 3～1mm, 1～0.5mm, 0.5～0mm magnesia raw material, add in Forced Mixing machine and stir 1 point About clock.Being subsequently adding the liquid ethylene glycol after weighing to mix about 2 minutes, fully mixing makes liquid ethylene glycol uniformly wrap up magnesium Sand granule.Add the explosion-proof fiber after weighing and paper fiber, mix 2～3 minutes.It is eventually adding 200 mesh magnesia after weighing Fine powder and step mixed powder (1), remixes 8～15 minutes, makes product.
Embodiment four
1) formula:
3～1mm high ferro magnesite clinker 20%, 1～0.5mm high ferro magnesite clinker 23%, 0.5～0mm high ferro magnesite clinkers 22%, 200 mesh 92 magnesite clinkers 28.5%, sodium tripolyphosphate 0.65%, sodium pyrophosphate 0.35%, Guangxi White clay 2%, silicon are micro- Powder 1%, ethylene glycol 0.25%, yellow starch gum 0.3%, metallic aluminium powder 0.03%, paper fiber 1.8%, explosion-proof fiber 0.15%.
2) preparation method
(1) press the sodium tripolyphosphate after formula weighs, sodium pyrophosphate, Guangxi White clay, silicon powder, yellow starch gum, metallic aluminium powder Deng adding, multifunctional mini-mixer mixes 20～30 minutes, standby in the woven bag of mixed material loading band plastic inner lining, it is referred to as mixed Close powder.
(2) press formula weighing 3～1mm, 1～0.5mm, 0.5～0mm magnesia raw material, add in Forced Mixing machine and stir 1 point About clock.Being subsequently adding the liquid ethylene glycol after weighing to mix about 2 minutes, fully mixing makes liquid ethylene glycol uniformly wrap up magnesium Sand granule.Add the explosion-proof fiber after weighing and paper fiber, mix 2～3 minutes.It is eventually adding 200 mesh magnesia after weighing Fine powder and step mixed powder (1), remixes 8～15 minutes, makes product.
Embodiment five
1) formula:
3～1mm high ferro magnesite clinker 24%, 1～0.5mm high ferro magnesite clinker 21%, 0.5～0mm high ferro magnesite clinkers 20%, 200 mesh fused magnesites 29%, sodium tripolyphosphate 0.6%, sodium pyrophosphate 0.4%, Guangxi White clay 1.5%, silicon powder 1.5%, ethylene glycol 0.2%, yellow starch gum 0.3%, metallic aluminium powder 0.015%, paper fiber 1.5%, explosion-proof fiber 0.1%.
2) preparation method
(1) press the sodium tripolyphosphate after formula weighs, sodium pyrophosphate, Guangxi White clay, silicon powder, yellow starch gum, metallic aluminium powder Deng adding, multifunctional mini-mixer mixes 20～30 minutes, standby in the woven bag of mixed material loading band plastic inner lining, it is referred to as mixed Close powder.
(2) press formula weighing 3～1mm, 1～0.5mm, 0.5～0mm magnesia raw material, add in Forced Mixing machine and stir 1 point About clock.Being subsequently adding the liquid ethylene glycol after weighing to mix about 2 minutes, fully mixing makes liquid ethylene glycol uniformly wrap up magnesium Sand granule.Add the explosion-proof fiber after weighing and paper fiber, mix 2～3 minutes.It is eventually adding 200 mesh magnesia after weighing Fine powder and step mixed powder (1), remixes 8～15 minutes, makes product.

Claims (5)

1. an anti-avalanche coating tundish material, is characterized in that, be made up of the raw material of following weight percentage ratio:
Above-mentioned raw materials is made into 100%.
Anti-avalanche coating tundish material the most according to claim 1, is characterized in that, described high ferro magnesite clinker be 30mm with Upper big block processes, its content of MgO more than 90%, Fe2O3Content 2～3.5%；Described 92 magnesite clinkers are more than 30mm Big block processes, and its content of MgO is more than 91.5%；Described fused magnesite is 96 fused magnesites, and its content of MgO is more than 95.5%.
Anti-avalanche coating tundish material the most according to claim 1, is characterized in that, described metallic aluminium powder Al content is More than 99.7%, granularity is 70～120 mesh.
The most according to claim 1 it is characterized in that, described anti-riot fiber, its fiber median diameter is 80 microns, in fiber Bit length is 4 millimeters, and fusion temperature is 120 DEG C.
5. a preparation method for anti-avalanche coating tundish material, is characterized in that, comprise the steps:
(1) press the sodium tripolyphosphate after formula weighs, sodium pyrophosphate, Guangxi White clay, silicon powder, yellow starch gum, metallic aluminium powder addition Multifunctional mini-mixer mixes 20～30 minutes, standby in the woven bag of mixed material loading band plastic inner lining, referred to as mixed powder；
(2) press formula weighing 3～1mm, 1～0.5mm, 0.5～0mm magnesia raw material, add stirring 1 minute in Forced Mixing machine, so The rear ethylene glycol added after weighing mixes 2 minutes, adds the explosion-proof fiber after weighing and paper fiber, mixes 2～3 minutes, Rear 200 mesh magnesia powder and the mixed powders added after weighing, remix 8～15 minutes, make product.
CN201610573892.3A 2016-07-20 2016-07-20 A kind of anti-avalanche coating tundish material and preparation method thereof Active CN106242592B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107010988A (en) * 2017-04-27 2017-08-04 濮阳濮耐高温材料（集团）股份有限公司 A kind of dry working lining of anti-swelling cracking and preparation method thereof
CN107234232A (en) * 2017-07-05 2017-10-10 郑州振东科技有限公司 The synthesis repairing method of ladle liner brick
CN109879661A (en) * 2019-04-08 2019-06-14 北京利尔高温材料股份有限公司 A kind of coating tundish material and preparation method thereof
CN110272292A (en) * 2019-08-12 2019-09-24 瑞泰马钢新材料科技有限公司 A kind of magnesia coating of tundish and preparation method thereof
CN112851379A (en) * 2021-02-02 2021-05-28 德清凯瑞高温材料股份有限公司 Tundish fireproof plastic coating and preparation method thereof
CN116143501A (en) * 2023-02-24 2023-05-23 河北国亮新材料股份有限公司 Mechanical pressing tundish hanging plate and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103641505A (en) * 2013-12-09 2014-03-19 长兴攀江冶金材料有限公司 Continuous casting tundish working lining slag line coating and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103641505A (en) * 2013-12-09 2014-03-19 长兴攀江冶金材料有限公司 Continuous casting tundish working lining slag line coating and preparation method thereof
CN104829241A (en) * 2013-12-09 2015-08-12 长兴攀江冶金材料有限公司 Continuous casting tundish working lining slag line coating material
CN104829240A (en) * 2013-12-09 2015-08-12 长兴攀江冶金材料有限公司 Preparation method of continuous-casting tundish working lining slag line coating material

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107010988A (en) * 2017-04-27 2017-08-04 濮阳濮耐高温材料（集团）股份有限公司 A kind of dry working lining of anti-swelling cracking and preparation method thereof
CN107234232A (en) * 2017-07-05 2017-10-10 郑州振东科技有限公司 The synthesis repairing method of ladle liner brick
CN109879661A (en) * 2019-04-08 2019-06-14 北京利尔高温材料股份有限公司 A kind of coating tundish material and preparation method thereof
CN109879661B (en) * 2019-04-08 2021-10-08 北京利尔高温材料股份有限公司 Tundish coating material and preparation method thereof
CN110272292A (en) * 2019-08-12 2019-09-24 瑞泰马钢新材料科技有限公司 A kind of magnesia coating of tundish and preparation method thereof
CN112851379A (en) * 2021-02-02 2021-05-28 德清凯瑞高温材料股份有限公司 Tundish fireproof plastic coating and preparation method thereof
CN116143501A (en) * 2023-02-24 2023-05-23 河北国亮新材料股份有限公司 Mechanical pressing tundish hanging plate and preparation method thereof
CN116143501B (en) * 2023-02-24 2024-02-27 河北国亮新材料股份有限公司 Mechanical pressing tundish hanging plate and preparation method thereof

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Denomination of invention: Anti-collapse tundish smearing material and preparation method thereof

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