CN107382335A - A kind of high-strength heat shock resistant refractory brick - Google Patents
A kind of high-strength heat shock resistant refractory brick Download PDFInfo
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- CN107382335A CN107382335A CN201710520657.4A CN201710520657A CN107382335A CN 107382335 A CN107382335 A CN 107382335A CN 201710520657 A CN201710520657 A CN 201710520657A CN 107382335 A CN107382335 A CN 107382335A
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- 239000011449 brick Substances 0.000 title claims abstract description 55
- 230000035939 shock Effects 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 80
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 52
- 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 abstract description 29
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052849 andalusite Inorganic materials 0.000 claims abstract description 19
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052851 sillimanite Inorganic materials 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000004927 clay Substances 0.000 claims abstract description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 9
- SHPBBNULESVQRH-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].[Zr+4] Chemical compound [O-2].[O-2].[Ti+4].[Zr+4] SHPBBNULESVQRH-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 9
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 9
- 239000010936 titanium Substances 0.000 claims abstract description 9
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 9
- 239000010432 diamond Substances 0.000 claims abstract description 8
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 8
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 4
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000012216 screening Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 14
- 239000011863 silicon-based powder Substances 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- PGZIKUPSQINGKT-UHFFFAOYSA-N dialuminum;dioxido(oxo)silane Chemical compound [Al+3].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O PGZIKUPSQINGKT-UHFFFAOYSA-N 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- 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
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- 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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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- 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
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- 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
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Abstract
The invention discloses a kind of high-strength heat shock resistant refractory brick, it is characterised in that the raw material comprising following weight percents：16 20 parts of electro-corundum powder, 12 16 parts of plate diamond spar, 48 52 parts of alumina powder, 26 parts of magnesia powder, 26 parts of titanium dioxide zirconium powder, 14 parts of carborundum, 14 parts of Cab-O-sil, 26 parts of sodium metasilicate, 26 parts of andalusite powder, 12 parts of boronation titanium additives, 5 15 parts of sillimanite fine powder, 58 parts of Guangxi clay, useless 10 15 parts of iron runner material, useless 10 15 parts of siliceous mullite brick.The material mixture ratio of the refractory brick optimizes, the refractory brick high temperature resistant, corrosion-resistant, and thermal shock resistance is good, and refractoriness under load improves, and is damaged, increased the service life using crackle is less prone to.
Description
Technical field
The present invention relates to a kind of refractory brick, particularly a kind of high-strength heat shock resistant refractory brick.
Background technology
A kind of aluminate-silicate refractory of alumina firebrick, i.e. alumina content more than 48%.By alumina or other
The higher raw material of alumina content forms through being molded and calcining.Heat endurance is high, and refractoriness is strong, and resistance to slag is preferable.Due to existing
Some requires more and more higher, that is, the height for needing refractoriness to be up to more than 1800 degree to the temperature in use of steel-smelting electric furnace, glass-melting furnace
Aluminium refractory brick is built by laying bricks or stones, because the corrosivity in steel-smelting electric furnace is larger, how to increase the corrosion resistance of alumina firebrick, is increased
The service life of alumina firebrick is added to turn into the design problem of alumina firebrick, and existing refractory brick thermal shock resistance is poor,
Lotus life softening temperature is relatively low, and phenomena such as easily occurring bursting as Industrial Stoves refractory brick, wear, corroding, service life is short.
The content of the invention
It is an object of the invention to provide a kind of high-strength heat shock resistant refractory brick, the material mixture ratio of the refractory brick optimizes,
The refractory brick high temperature resistant, corrosion-resistant, thermal shock resistance is good, and refractoriness under load improves, and is damaged, prolonged using crackle is less prone to
Long life.
To achieve the above object, the technical scheme is that：A kind of high-strength heat shock resistant refractory brick, it is characterised in that bag
Raw material containing following weight percents：Electro-corundum powder 16-20 parts, plate diamond spar 12-16 parts, alumina powder 48-52 parts,
Magnesia powder 2-6 parts, titanium dioxide zirconium powder 2-6 parts, carborundum 1-4 parts, Cab-O-sil 1-4 parts, sodium metasilicate 2-6 parts, andalusite powder 2-
6 parts, boronation titanium additives 1-2 parts, sillimanite fine powder 5-15 parts, Guangxi clay 5-8 parts, useless iron runner material 10-15 parts, useless silicon not
Brick 10-15 parts.
Further, the particle diameter of the andalusite fine powder and the sillimanite fine powder is 40 μm~80 μm；The silicon is micro-
Particle diameter≤5 μm of powder.
Further, the useless siliceous mullite brick is that the useless siliceous mullite brick that granularity is 2~12mm is taken after broken, screening.
Further, the useless iron runner material is that the useless iron runner material that granularity is 1~10mm is taken after broken, screening.
Further, the granularity of the alumina powder is less than 5 μm.
The beneficial effects of the invention are as follows：The andalusite, it is a kind of aluminium silicate mineral, is heated to 1350 DEG C at ambient pressure
After, start to change into the acicular mullite parallel with mother crystal, andalusite, can during thermal conversion is into mullite
To form good mullite network, volumetric expansion about 4% has a higher fire resistance, refractoriness up to 1800 DEG C with
On, and resistance to suddenly cold and hot, mechanical strength is big, and heat shock resistance power is strong, and resistance to slag is strong, and loading inversion point is high, and has high change
Learn stability and extremely strong resistance to chemical corrosion.
The sillimanite, is a kind of brown, light green color, light blue or white glassy silicate mineral, when being heated to
It is changed into mullite at 1300 DEG C, high grade refractory can be done.
The Guangxi clay, it is a kind of good soft flame-proof clay of plasticity, its granularity is superfine, soaks and dissipates property and caking property
Also very well, sintering range is wide, and containing kaolinite often more than 70%, and based on disordered kaolinite, it is plastic can to dramatically increase its
Property and rupture strength, are high-quality bonding clays used for refractory material.
The silicon powder, it is through broken, ball milling, flotation, pickling purification, high-purity water process by natural quartz or vitreous silica
The micro mist being process etc. multiple tracks technique, possess good temperature tolerance, acid-alkali-corrosive-resisting, poor thermal conductivity, high insulation, low bulk, chemistry
The excellent performances such as stable performance, hardness is big, it is widely used in the fields such as chemical industry, electronics, coating, advanced paint.
The material mixture ratio of the refractory brick optimizes, and give up siliceous mullite brick, scrap iron hook material, and the use of these raw materials both reduced
The cost of prefabricated component, and it is more wear-resisting than in general aggregate, resource is not only saved, solving waste refractory materials again can not
The problem of processing, the refractory brick high temperature resistant, corrosion-resistant, thermal shock resistance is good, and refractoriness under load improves, using being less prone to
Crackle damages, and increases the service life.
Embodiment
The present invention is described in further detail below.
A kind of high-strength heat shock resistant refractory brick, the raw material comprising following weight percents：Electro-corundum powder 16-20 parts, tabular
Corundum 12-16 parts, alumina powder 48-52 parts, magnesia powder 2-6 parts, titanium dioxide zirconium powder 2-6 parts, carborundum 1-4 parts, silicon
Stone flour 1-4 parts, sodium metasilicate 2-6 parts, andalusite powder 2-6 parts, boronation titanium additives 1-2 parts, sillimanite fine powder 5-15 parts, Guangxi
Clay 5-8 parts, useless iron runner material 10-15 parts, useless siliceous mullite brick 10-15 parts.
Further, the particle diameter of the andalusite fine powder and the sillimanite fine powder is 40 μm~80 μm；The silicon is micro-
Particle diameter≤5 μm of powder.
Further, the useless siliceous mullite brick is that the useless siliceous mullite brick that granularity is 2~12mm is taken after broken, screening.
Further, the useless iron runner material is that the useless iron runner material that granularity is 1~10mm is taken after broken, screening.
Further, the granularity of the alumina powder is less than 5 μm.
Embodiment 1：A kind of high-strength heat shock resistant refractory brick, the raw material comprising following weight percents：16 parts of electro-corundum powder,
12 parts of plate diamond spar, 48 parts of alumina powder, 2 parts of magnesia powder, 2 parts of titanium dioxide zirconium powder, 1 part of carborundum, 1 part of Cab-O-sil, silicon
Sour 2 parts of sodium, 2 parts of andalusite powder, 1 part of boronation titanium additives, 5 parts of sillimanite fine powder, 5 parts of Guangxi clay, useless 10 parts of iron runner material,
Useless 10 parts of siliceous mullite brick.The particle diameter of the andalusite fine powder and the sillimanite fine powder is 40 μm；The particle of the silicon powder
Diameter≤5 μm.The useless siliceous mullite brick is that the useless siliceous mullite brick that granularity is 2mm is taken after broken, screening.The useless iron runner material be through
The useless iron runner material that granularity is 1mm is taken after broken, screening.The granularity of the alumina powder is less than 5 μm.
Embodiment 2：A kind of high-strength heat shock resistant refractory brick, the raw material comprising following weight percents：20 parts of electro-corundum powder,
16 parts of plate diamond spar, 52 parts of alumina powder, 6 parts of magnesia powder, 6 parts of titanium dioxide zirconium powder, 4 parts of carborundum, 4 parts of Cab-O-sil, silicon
Sour 6 parts of sodium, 6 parts of andalusite powder, 6 parts of boronation titanium additives, 15 parts of sillimanite fine powder, 8 parts of Guangxi clay, useless 15 parts of iron runner material,
Useless 15 parts of siliceous mullite brick.The particle diameter of the andalusite fine powder and the sillimanite fine powder is 80 μm；The particle of the silicon powder
Diameter≤5 μm.The useless siliceous mullite brick is that the useless siliceous mullite brick that granularity is 12mm is taken after broken, screening.The useless iron runner material be through
The useless iron runner material that granularity is 10mm is taken after broken, screening.The granularity of the alumina powder is less than 5 μm.
Embodiment 3：A kind of high-strength heat shock resistant refractory brick, the raw material comprising following weight percents：18 parts of electro-corundum powder,
14 parts of plate diamond spar, 50 parts of alumina powder, 4 parts of magnesia powder, 4 parts of titanium dioxide zirconium powder, 2 parts of carborundum, 2 parts of Cab-O-sil, silicon
Sour 4 parts of sodium, 4 parts of andalusite powder, 1 part of boronation titanium additives, 10 parts of sillimanite fine powder, 7 parts of Guangxi clay, useless 12 parts of iron runner material,
Useless 12 parts of siliceous mullite brick.The particle diameter of the andalusite fine powder and the sillimanite fine powder is 60 μm；The particle of the silicon powder
Diameter≤5 μm.The useless siliceous mullite brick is that the useless siliceous mullite brick that granularity is 6mm is taken after broken, screening.The useless iron runner material be through
The useless iron runner material that granularity is 5mm is taken after broken, screening.The granularity of the alumina powder is less than 5 μm.
Embodiment 4：A kind of high-strength heat shock resistant refractory brick, the raw material comprising following weight percents：17 parts of electro-corundum powder,
16 parts of plate diamond spar, 50 parts of alumina powder, 4 parts of magnesia powder, 6 parts of titanium dioxide zirconium powder, 2 parts of carborundum, 3 parts of Cab-O-sil, silicon
Sour 4 parts of sodium, 6 parts of andalusite powder, 2 parts of boronation titanium additives, 12 parts of sillimanite fine powder, 5 parts of Guangxi clay, useless 10 parts of iron runner material,
Useless 10 parts of siliceous mullite brick.The particle diameter of the andalusite fine powder and the sillimanite fine powder is 50 μm；The particle of the silicon powder
Diameter≤5 μm.The useless siliceous mullite brick is that the useless siliceous mullite brick that granularity is 10mm is taken after broken, screening.The useless iron runner material be through
The useless iron runner material that granularity is 1mm is taken after broken, screening.The granularity of the alumina powder is less than 5 μm.
Embodiment 5：A kind of high-strength heat shock resistant refractory brick, the raw material comprising following weight percents：19 parts of electro-corundum powder,
15 parts of plate diamond spar, 51 parts of alumina powder, 5 parts of magnesia powder, 5 parts of titanium dioxide zirconium powder, 3 parts of carborundum, 3 parts of Cab-O-sil, silicon
Sour 5 parts of sodium, 5 parts of andalusite powder, 5 parts of boronation titanium additives, 12 parts of sillimanite fine powder, 10 parts of Guangxi clay, useless iron runner material 12
Part, useless 12 parts of siliceous mullite brick.The particle diameter of the andalusite fine powder and the sillimanite fine powder is 60 μm；The silicon powder
Particle diameter≤5 μm.The useless siliceous mullite brick is that the useless siliceous mullite brick that granularity is 9mm is taken after broken, screening.The useless iron runner material
It is that the useless iron runner material that granularity is 8mm is taken after broken, screening.The granularity of the alumina powder is less than 5 μm.
Embodiment 1-5 refractory brick see the table below using the physical index of 2 years：
Claims (5)
- A kind of 1. high-strength heat shock resistant refractory brick, it is characterised in that the raw material comprising following weight percents：Electro-corundum powder 16- 20 parts, plate diamond spar 12-16 parts, alumina powder 48-52 parts, magnesia powder 2-6 parts, titanium dioxide zirconium powder 2-6 parts, carborundum 1- 4 parts, Cab-O-sil 1-4 parts, sodium metasilicate 2-6 parts, andalusite powder 2-6 parts, boronation titanium additives 1-2 parts, sillimanite fine powder 5-15 parts, Guangxi clay 5-8 parts, useless iron runner material 10-15 parts, useless siliceous mullite brick 10-15 parts.
- A kind of 2. high-strength heat shock resistant refractory brick according to claim 1, it is characterised in that the andalusite fine powder and described The particle diameter of sillimanite fine powder is 40 μm~80 μm；Particle diameter≤5 μm of the silicon powder.
- 3. a kind of high-strength heat shock resistant refractory brick according to claim 1, it is characterised in that the useless siliceous mullite brick is through broken The useless siliceous mullite brick that granularity is 2~12mm is taken after broken, screening.
- 4. a kind of high-strength heat shock resistant refractory brick according to claim 1, it is characterised in that the useless iron runner material is through broken The useless iron runner material that granularity is 1~10mm is taken after broken, screening.
- 5. a kind of high-strength heat shock resistant refractory brick according to claim 1, it is characterised in that the granularity of the alumina powder is Less than 5 μm.
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| CN108191412A (en) * | 2018-03-23 | 2018-06-22 | 湖州知维技术服务有限公司 | A kind of refractory brick |
| CN108191457A (en) * | 2018-03-12 | 2018-06-22 | 合肥铭佑高温技术有限公司 | A kind of anticorrosive refractory brick and preparation method thereof |
| CN111635238A (en) * | 2020-06-23 | 2020-09-08 | 郑州凯翔耐火材料有限公司 | Low-porosity high-thermal-shock-resistance clay brick and preparation method thereof |
| CN111675546A (en) * | 2020-06-23 | 2020-09-18 | 郑州凯翔耐火材料有限公司 | Thermal shock resistant high-alumina brick and preparation method thereof |
| CN114180954A (en) * | 2022-02-15 | 2022-03-15 | 北京利尔高温材料股份有限公司 | Environment-friendly low-carbon aluminum-magnesium spinel brick and preparation method thereof |
| CN115417682A (en) * | 2022-09-30 | 2022-12-02 | 安徽瑞泰新材料科技有限公司 | Refractory brick for industrial kiln and preparation method thereof |
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Application publication date: 20171124 |