CN104446529A - Refractory brick of ladle slag line - Google Patents
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- 239000011449 brick Substances 0.000 title claims abstract description 59
- 239000002893 slag Substances 0.000 title claims abstract description 17
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 27
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 27
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 27
- 235000014380 magnesium carbonate Nutrition 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 24
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 17
- 229910052582 BN Inorganic materials 0.000 claims abstract description 12
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 12
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010426 asphalt Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 7
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 7
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000391 magnesium silicate Substances 0.000 claims description 11
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 11
- 235000019792 magnesium silicate Nutrition 0.000 claims description 11
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052863 mullite Inorganic materials 0.000 claims description 6
- 229920003987 resole Polymers 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 1
- 239000010425 asbestos Substances 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000005011 phenolic resin Substances 0.000 abstract 1
- 229920001568 phenolic resin Polymers 0.000 abstract 1
- 229910052895 riebeckite Inorganic materials 0.000 abstract 1
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 29
- 238000000034 method Methods 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- RWDBMHZWXLUGIB-UHFFFAOYSA-N [C].[Mg] Chemical compound [C].[Mg] RWDBMHZWXLUGIB-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011823 monolithic refractory Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- -1 norbide Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Abstract
The invention discloses a refractory brick of a ladle slag line. The refractory brick is prepared from the following raw materials in parts by weight: 24-26 parts of waste magnesia brick, 46-48 parts of fused magnesite, 1-2 parts of -20mesh graphite powder, 3-5 parts of -100mesh silicon carbide, 15-17 parts of -100mesh zirconium oxide, 6-8 parts of -150mesh fused millite, 8-10 parts of magnesite powder, 2-3 parts of asbestos fibers, 4-6 parts of Suzhou bentonite, 10-12 parts of zirconium boride, 1.5-2.5 parts of -200mesh boron nitride, 2.5-3.5 parts of -200mesh cerium oxide, 2-3 parts of asphalt powder, 1-2 parts of phenolic resin, 3-5 parts of sodium hexametaphosphate and 16-18 parts of water, wherein the waste magnesia brick of which the granularity is -20 mesh to +40 meshes accounts for 50%; the waste magnesia brick of which the granularity is -40 mesh to +100 meshes accounts for 25%; the waste magnesia brick of which the granularity is -100 mesh to +200 meshes accounts for 25%; the fused magnesite of which the granularity is -5 mesh to +18 meshes accounts for 35%; the fused magnesite of which the granularity is -18 mesh to +80 meshes accounts for 35%; and the fused magnesite of which the granularity is -80 mesh to +150 meshes accounts for 30%.
Description
Technical field
The present invention relates to technical field of ferrous metallurgy, particularly relate to a kind of ladle slag line refractory brick.
Background technology
The current ladle slag line total carbon content of common magnesia carbon brick is generally 10 ~ 18wt%, and the one of the main reasons of magnesia carbon brick damage is the oxidation due to carbon in brick, thus slag easily permeates, make to corrode aggravation, but the research of current ongoing low carbon magnesia carbon brick aspect mainly concentrates on the research of bonding agent and carbon raw, as: application number be 200610046434.0 Chinese patents disclosed " magnesia carbon brick of Containing antioxidants C-TiN composite granule and production method thereof " respectively using C-TiN composite granule as oxidation inhibitor and graphite, electrosmelted magnesite clinker, bonding agent is through mixing, shaping, obtained after thermal treatment, improve slag resistance, extend work-ing life, but because titanium material cost is higher, be difficult to promote the use of, and the carbon content of this magnesia carbon brick is high, will to molten steel recarburization, application number be 200710019767.9 Chinese patents disclosed " a kind of non-oxide composite low-carbon magnesia-carbon brick " describe to introduce in magnesia carbon brick non-oxidized substance (nitride or boride) prepare carbon containing lower than 6% low carbon magnesia carbon brick, it maintains the performance of high-carbon magnesia carbon brick, what add due to it is the non-oxidized substance that pre-synthesis is good, cost is high, and may hydration reaction be there is, performance improves not obvious, application number is that 99107800.4 Chinese patents disclosed " antioxidant of carbon containing refractory " describe a kind of antioxidant, it is made up of at least one in the zinc powder of 0.15 ~ 10% (weight) or zinc powder and aluminium, magnesium, silicon, silicon calcium powder, silicon carbide, norbide, magnesium aluminum-alloy powder, silicon nitride powder, wherein zinc powder >=0.15%, granularity is less than 0.5mm, add the oxidation that metal powder is only used for preventing carbon in carbon containing refractory, the mechanical behavior under high temperature of refractory materials is not affected.
Summary of the invention
The object of the invention is to propose a kind of ladle slag line refractory brick, this refractory brick has higher resistance to fouling and resistance to flaking, and can significantly reduce in use procedure molten steel recarburization.
For reaching this object, the present invention by the following technical solutions:
A kind of ladle slag line refractory brick, described refractory brick is made up of following raw materials according by weight: useless magnesia brick 24-26 part, and wherein particle diameter-20-+40 object accounts for 50% ,-40-+100 object and accounts for 25% ,-100-+200 object and account for 25%; Electrosmelted magnesite clinker 46-48 part, wherein-5-+18 object accounts for 35% ,-18-+80 object and accounts for 35%,-80-+150 object accounts for 30% ,-20 order Graphite Powder 99 1-2 parts ,-100 order silicon carbide 3-5 parts,-100 order zirconium white 15-17 parts ,-150 order electrofused mullite 6-8 parts, magnesite powder 8-10 part, fibrous magnesium silicate 2-3 part, Suzhou wilkinite 4-6 part, zirconium boride 99.5004323A8ure 10-12 part,-200 order boron nitride 1.5-2.5 parts ,-200 order cerium oxide 2.5-3.5 parts, asphalt powder 2-3 part, resol 1-2 part, Sodium hexametaphosphate 99 3-5 part; Water 16-18 part.
Preferably, described-20 order Graphite Powder 99 1.2-1.8 parts,-100 order silicon carbide 3.5-4.5 parts ,-100 order zirconium white 15.5-16.5 parts ,-150 order electrofused mullite 6.5-7.5 parts, magnesite powder 8.5-9.5 part, fibrous magnesium silicate 2.3-2.7 part, Suzhou wilkinite 4.5-5.5 part, zirconium boride 99.5004323A8ure 10.5-11.5 part,-200 order boron nitride 1.8-2.2 parts ,-200 order cerium oxide 2.8-3.2 parts.
Most preferably, described-20 order Graphite Powder 99 1.5 parts ,-100 4 parts, order silicon carbide ,-100 order zirconium whites 16 parts,-150 order electrofused mullites 7 parts, magnesite powder 9 parts, fibrous magnesium silicate 2.5 parts, Suzhou wilkinite 5 parts, zirconium boride 99.5004323A8ure 11 parts ,-200 order boron nitride 2 parts ,-200 order cerium oxide 3 parts.
This refractory brick can adopt following technique to prepare described preparation:
1) will give up magnesia brick, electrosmelted magnesite clinker, silicon carbide, zirconium white, electrofused mullite, and magnesite powder is put into mixer and mixed about 45-60 minute;
2) add Graphite Powder 99 again, fibrous magnesium silicate, Suzhou wilkinite, zirconium boride 99.5004323A8ure, boron nitride, cerium oxide, mix about 120-135 minute;
3) then add asphalt powder, resol, Sodium hexametaphosphate 99 and water, remix is about 150-180 minute;
4) shaping with pressing machine, adobe is dry through 200 DEG C × 24 hours;
5) calcine, calcining temperature is about 1800-1840 DEG C, and soaking time is about 16-18 hour.
First the present invention carries out the blending powder of science by give up to main body refractory materials magnesia brick and electrosmelted magnesite clinker, useless magnesia brick and electrosmelted magnesite clinker are divided into three granularity level, although granularity has overlap, but it is incomplete same, the granularity that electrosmelted magnesite clinker adopts is slightly thick, and the granularity of useless magnesia brick is slightly thin, facts have proved, such collocation can basic neutralisation magnesia brick performance of giving up to decline the impact brought a little, play useless magnesia brick performance change and good effect of bringing after using simultaneously, the result of use of the refractory substrates aggregate of collocation is like this made to be better than the brand-new electrosmelted magnesite clinker of common refractory brick employing, be better than the refractory brick using useless magnesia brick to make without blending powder simultaneously, therefore refractory brick aggregate of the present invention and conservation, utilization of waste material, effectively ensure that again the intensity of matrix, and achieve unexpected technique effect by the above-mentioned collocation of granularity.
The present invention does not reduce too much carbon, to ensure that refractory brick has preferably heat-resistant knocking stability, there is higher spalling resistance and resistance to fouling, prevent molten steel recarburization mainly by adding silicon nitride, electrofused mullite, magnesite powder, and with the use of Suzhou wilkinite and fibrous magnesium silicate, facts have proved, the combination of these refractory materialss effectively can solidify carbon, the carbon be distributed in these refractory materialss is made oxygenizement not to occur, monolithic refractory obdurability increases simultaneously, thus significantly improve hot strength and the heat-shock resistance of refractory brick, improve its oxidation-resistance and slag resistance.
In addition, zirconium boride 99.5004323A8ure and boron nitride effectively can prevent the oxidation of graphite and non-oxidized substance, make refractory brick not easily be soaked by slag and permeate.
Cerium oxide and zirconic cooperation ensure that base portion realizes best sintering, in conjunction with effect.Greatly improve the work-ing life of working lining, reduce carbon melting loss and be mingled with, reduce ladle carburetting.
Refractory brick excellent performance of the present invention: to molten steel recarburization≤2.3ppm, volume density 3.05-3.15g/cm
3, apparent porosity 1.5-2.5%, cold crushing strength>=45MPa, 1400 DEG C are buried carbon high-temp folding strength>=33Mpa, and the polar expansion of 1400 DEG C is 1.35-1.45%.The refractory brick that present invention process is obtained, heat-shock resistance adopts 1100 DEG C, to measure residual strength conservation rate be 74-76% (now conventional magnesium carbon refractory brick residual strength conservation rate is 50 ~ 60%) to air-cooled air quenching method once.
Embodiment
Embodiment one
A kind of ladle slag line refractory brick, described refractory brick is made up of following raw materials according by weight: useless 24 parts, magnesia brick, and wherein particle diameter-20-+40 object accounts for 50% ,-40-+100 object and accounts for 25% ,-100-+200 object and account for 25%; Electrosmelted magnesite clinker 48 parts, wherein-5-+18 object accounts for 35% ,-18-+80 object and accounts for 35%,-80-+150 object accounts for 30% ,-20 order Graphite Powder 99s 1 part ,-100 5 parts, order silicon carbide,-100 order zirconium whites 15 parts ,-150 order electrofused mullites 8 parts, magnesite powder 8 parts, fibrous magnesium silicate 3 parts, Suzhou wilkinite 4 parts, zirconium boride 99.5004323A8ure 12 parts,-200 order boron nitride 1.5 parts ,-200 order cerium oxide 3.5 parts, asphalt powder 2 parts, 2 parts, resol, Sodium hexametaphosphate 99 3 parts; 18 parts, water.
The refractory brick of the present embodiment: to molten steel recarburization 2.3ppm, volume density 3.15g/cm
3, apparent porosity 1.8%, cold crushing strength 46MPa, 1400 DEG C are buried carbon high-temp folding strength 35Mpa, and the polar expansion of 1400 DEG C is 1.35%.Heat-shock resistance adopts 1100 DEG C, to measure residual strength conservation rate be 74% to air-cooled air quenching method once.
Embodiment two
A kind of ladle slag line refractory brick, described refractory brick is made up of following raw materials according by weight: useless 26 parts, magnesia brick, and wherein particle diameter-20-+40 object accounts for 50% ,-40-+100 object and accounts for 25% ,-100-+200 object and account for 25%; Electrosmelted magnesite clinker 46 parts, wherein-5-+18 object accounts for 35% ,-18-+80 object and accounts for 35%,-80-+150 object accounts for 30% ,-20 order Graphite Powder 99s 2 parts ,-100 3 parts, order silicon carbide,-100 order zirconium whites 17 parts ,-150 order electrofused mullites 6 parts, magnesite powder 10 parts, fibrous magnesium silicate 2 parts, Suzhou wilkinite 6 parts, zirconium boride 99.5004323A8ure 10 parts,-200 order boron nitride 2.5 parts ,-200 order cerium oxide 2.5 parts, asphalt powder 3 parts, 1 part, resol, Sodium hexametaphosphate 99 5 parts; 16 parts, water.
Refractory brick of the present invention: to molten steel recarburization 2.1ppm, volume density 3.08g/cm
3, apparent porosity 1.7%, cold crushing strength 47MPa, 1400 DEG C are buried carbon high-temp folding strength 33Mpa, and the polar expansion of 1400 DEG C is 1.45%, and heat-shock resistance adopts 1100 DEG C, to measure residual strength conservation rate be 76% to air-cooled air quenching method once.
Embodiment three
A kind of ladle slag line refractory brick, described refractory brick is made up of following raw materials according by weight: useless 25 parts, magnesia brick, and wherein particle diameter-20-+40 object accounts for 50% ,-40-+100 object and accounts for 25% ,-100-+200 object and account for 25%; Electrosmelted magnesite clinker 47 parts, wherein-5-+18 object accounts for 35% ,-18-+80 object and accounts for 35%,-80-+150 object accounts for 30% ,-20 order Graphite Powder 99s 1.5 parts ,-100 4 parts, order silicon carbide,-100 order zirconium whites 16 parts ,-150 order electrofused mullites 7 parts, magnesite powder 9 parts, fibrous magnesium silicate 2.5 parts, Suzhou wilkinite 5 parts, zirconium boride 99.5004323A8ure 11 parts,-200 order boron nitride 2 parts ,-200 order cerium oxide 3 parts, asphalt powder 2.5 parts, 1.5 parts, resol, Sodium hexametaphosphate 99 4 parts; 17 parts, water.
Refractory brick of the present invention: to molten steel recarburization 1.9ppm, volume density 3.05g/cm
3, apparent porosity 1.5%, cold crushing strength 50MPa, 1400 DEG C are buried carbon high-temp folding strength 38Mpa, and the polar expansion of 1400 DEG C is 1.35%.The refractory brick that present invention process is obtained, heat-shock resistance adopts 1100 DEG C, to measure residual strength conservation rate be 75% to air-cooled air quenching method once.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (3)
1. a ladle slag line refractory brick, is characterized in that, described refractory brick is made up of following raw materials according by weight: useless magnesia brick 24-26 part, and wherein particle diameter-20-+40 object accounts for 50% ,-40-+100 object and accounts for 25% ,-100-+200 object and account for 25%; Electrosmelted magnesite clinker 46-48 part, wherein-5-+18 object accounts for 35% ,-18-+80 object and accounts for 35%,-80-+150 object accounts for 30% ,-20 order Graphite Powder 99 1-2 parts ,-100 order silicon carbide 3-5 parts,-100 order zirconium white 15-17 parts ,-150 order electrofused mullite 6-8 parts, magnesite powder 8-10 part, fibrous magnesium silicate 2-3 part, Suzhou wilkinite 4-6 part, zirconium boride 99.5004323A8ure 10-12 part,-200 order boron nitride 1.5-2.5 parts ,-200 order cerium oxide 2.5-3.5 parts, asphalt powder 2-3 part, resol 1-2 part, Sodium hexametaphosphate 99 3-5 part; Water 16-18 part.
2. a kind of ladle slag line refractory brick as claimed in claim 1, it is characterized in that, described-20 order Graphite Powder 99 1.2-1.8 parts ,-100 order silicon carbide 3.5-4.5 parts,-100 order zirconium white 15.5-16.5 parts,-150 order electrofused mullite 6.5-7.5 parts, magnesite powder 8.5-9.5 part, fibrous magnesium silicate 2.3-2.7 part, Suzhou wilkinite 4.5-5.5 part, zirconium boride 99.5004323A8ure 10.5-11.5 part ,-200 order boron nitride 1.8-2.2 parts ,-200 order cerium oxide 2.8-3.2 parts.
3. a kind of ladle slag line refractory brick as described in claim 1-2, it is characterized in that, described-20 order Graphite Powder 99 1.5 parts ,-100 4 parts, order silicon carbide,-100 order zirconium whites 16 parts,-150 order electrofused mullites 7 parts, magnesite powder 9 parts, fibrous magnesium silicate 2.5 parts, Suzhou wilkinite 5 parts, zirconium boride 99.5004323A8ure 11 parts ,-200 order boron nitride 2 parts ,-200 order cerium oxide 3 parts.
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| CN104987085A (en) * | 2015-06-10 | 2015-10-21 | 马鞍山金晟工业设计有限公司 | Environment-friendly low-cost fireproofing material using magnesite bricks and preparation method thereof |
| CN105418097A (en) * | 2015-12-23 | 2016-03-23 | 云南泛亚能源科技有限公司 | Refractory lining material and preparation method thereof |
| CN105541361A (en) * | 2016-01-20 | 2016-05-04 | 广西丛欣实业有限公司 | Refractory brick and preparation method thereof |
| CN106830879A (en) * | 2017-03-07 | 2017-06-13 | 佛山市东鹏陶瓷有限公司 | A kind of adobe of high-strength anti-skid brick and preparation method thereof and prepared anti-skid brick |
| CN107344824A (en) * | 2017-07-27 | 2017-11-14 | 合肥伊只门窗有限公司 | Good fire-resistant door core plate material of a kind of soundproof effect and preparation method thereof |
| CN112028641A (en) * | 2020-07-31 | 2020-12-04 | 北京金隅通达耐火技术有限公司 | Solid-melt Ti (C, N) baking-free silicon mullite brick and preparation method thereof |
| CN112759369A (en) * | 2020-12-31 | 2021-05-07 | 营口东邦环保科技股份有限公司 | Magnesia-carbon brick with high thermal shock stability |
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| CN104987085A (en) * | 2015-06-10 | 2015-10-21 | 马鞍山金晟工业设计有限公司 | Environment-friendly low-cost fireproofing material using magnesite bricks and preparation method thereof |
| CN105418097A (en) * | 2015-12-23 | 2016-03-23 | 云南泛亚能源科技有限公司 | Refractory lining material and preparation method thereof |
| CN105418097B (en) * | 2015-12-23 | 2018-06-29 | 云南清朗能源科技有限公司 | Refractory lining material and preparation method thereof |
| CN105541361A (en) * | 2016-01-20 | 2016-05-04 | 广西丛欣实业有限公司 | Refractory brick and preparation method thereof |
| CN106830879A (en) * | 2017-03-07 | 2017-06-13 | 佛山市东鹏陶瓷有限公司 | A kind of adobe of high-strength anti-skid brick and preparation method thereof and prepared anti-skid brick |
| CN107344824A (en) * | 2017-07-27 | 2017-11-14 | 合肥伊只门窗有限公司 | Good fire-resistant door core plate material of a kind of soundproof effect and preparation method thereof |
| CN112028641A (en) * | 2020-07-31 | 2020-12-04 | 北京金隅通达耐火技术有限公司 | Solid-melt Ti (C, N) baking-free silicon mullite brick and preparation method thereof |
| CN112028641B (en) * | 2020-07-31 | 2022-09-30 | 北京金隅通达耐火技术有限公司 | Solid-melt Ti (C, N) baking-free silicon mullite brick and preparation method thereof |
| CN112759369A (en) * | 2020-12-31 | 2021-05-07 | 营口东邦环保科技股份有限公司 | Magnesia-carbon brick with high thermal shock stability |
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