玻璃熔窯耐火材料總結(jié)

1、電熔鋯剛玉材料電熔鋯剛玉產(chǎn)品一般通過長弧熔融和氧化法處理進(jìn)行生產(chǎn)，產(chǎn)品按照氧化鋯的含量和澆鑄方法分類Electro-fused zirconia-corundum refractory brick 電熔鋯剛玉耐火磚NH（耐火）NH-33：Material is electro-fused alumina-zirconia-silica, with 33% ZrO2Chemical composition: Al2O3 50.45% ZrO2 33% SiO2 15% Na2O(以碳酸鈉的形式加入)、B2O 熔劑1.3% TiO2、Fe2O3 0.25%在此基礎(chǔ)上采用部分脫硅鋯英石砂作原料即可制

2、成41#的磚Crystallographic analysis: Alumina (corundum) 46.5%Zirconia 32.5%Vitreous phase 21%True specific gravity(真比重): 3840kg/m3Cold crushing strength (冷抗壓強度)200MpaRefractoriness under load(荷重軟化點) 1700CNH-33PTIntroduction:The unique technology of DY changes distribution of shrinkage voids of regular c

3、asting bricks, reducing shrinkage voids, and increases the dependability of bricks.Recommendations:Superstructure, working end and Feeder channel, etc.Shaped block:Due to the materials excellent castability, this product can be made into kinds of different shapes and sizes such as Feeder channel blo

4、ck、thermocouple block、tuck stone、crown、burner block.NH-33ZWSIntroduction:The remained voids are small and located at bottom of the brick, which should be down when the brick of this type is in use.(殘存縮孔很小集中在尾端，使用時尾端朝下)Recommendations:This product is designed for the sidewalls of Flame Furnaces with

5、embedded melted bottoms, for total, security with average pulls and campaign lengths.（本品種適用于火焰窯之池壁，池底為嵌固式，出料量、窯期中等）Shape and size:This product is only available for straight brick or approximate ones.NH-33WS：Introduction:Dense casting bricks are cast from exclusive riser, which assures the melted li

6、quid cast into the model almostly. (本產(chǎn)品配置專用冒口澆鑄，可保證澆鑄溶液最大限度的注入砂型中，所得澆鑄磚致密)Recommendations:This product is designed for the special places of Flame Furnace, such as side wall, tank bottom, superstructure, feeder channel, bowl, bleeder, C shaped brick, etc.( 本品種適用于火焰窯之池壁、池底、上部結(jié)構(gòu)，料道及料盆，攪拌漿，C型磚等特殊部位。Sha

7、pe and size:Various of straight bricks and shaped bricks can be produced by different casting and processing ways.NH-36:Introduction:Material is electro-fused Alumina-zirconnia-silica, with 37% ZrO2 The good castability of this material enables the production to be a great variety of straight or app

8、roximate bricks.Typical chemical composition:Al2O3 47.35% ZrO2 37% SiO2 14% Na2O(以碳酸鈉的形式加入)、B2O 熔劑1.4% TiO2、Fe2O3 0.25%Crystallographic analysis: Alumina (corundum) 43.5%Zirconia 36.5%Vitreous phase 20%True specific gravity: 3940kg/m3Cold crushing strength 200MpaRefractoriness under load 1700CNH-36W

9、S:Introduction:This product is cast from exclusive riser, so it has high density. This product can also be produced as the big straight block.Recommendations:This product is designed for the sidewalls of flame furnaces with embedded melted bottoms, for total, security with average pulls and campaign

10、 lengths.Shape and size:Only straight brick is available.NH-36A:Introduction:Material is electro-fused Alumina-zirconnia-silica, with 36% ZrO2 This product can be made into complex and varied shapes and to be superstructure of different kinds of glass furnaces.Typical chemical composition:Al2O3 52.8

11、5% ZrO2 36% SiO2 10% Na2O、B2O 熔劑0.9% TiO2、Fe2O3 0.25%Crystallographic analysis: Alumina (corundum) 51%Zirconia 35%Vitreous phase 14%True specific gravity: 4050kg/m3Cold crushing strength 215MpaRefractoriness under load 1700CNH-36A PT-WSWhen AZS-36A is used for crowns, the brick surfaces must be grin

12、ded by diamond grinder to ensure tight contact between bricks, and then become a firm monolithic structure. Only NH-36A PT and DY-36A WS are available. (NH-36A 可完成PT和WS澆鑄磚的制造。該產(chǎn)品系列作為頂碹磚材料時，磚與磚接觸面要用金剛石磨具研磨加工，以確保磚與磚之間緊密接觸，從而形成牢固的整體結(jié)構(gòu)。Recommendations:AZS-36A has low exudation, high cold crushing streng

13、th and excellent alkali resistant capabilities, so it begins to be used for superstructures, frontwalls, backwalls, crowns, etc, in glass furnaces.NH-41:IntroductionMaterial is electro-fused Alumina-zirconnia-silica, with 41% ZrO2 The good castability of this material enables the production to be a

14、great variety of straight or approximate bricks.Typical chemical composition:Al2O3 45.75% ZrO2 41% SiO2 12% Na2O(以碳酸鈉的形式加入)、B2O 熔劑1% TiO2、Fe2O3 0.25%在此基礎(chǔ)上采用部分脫硅鋯英石砂作原料即可制成41#的磚Crystallographic analysis: Alumina (corundum) 42%Zirconia 41%Vitreous phase 17%True specific gravity: 4100kg/m3Cold crushing

15、 strength 200MpaRefractoriness under load 1700CNH-41WS:Introduction：This kind of bricks is practically free of voids and has a very homogeneous internal structure with fine anti-corrosion property. It is also easy to be grinded, drilled or sawed by all kinds of diamond machines. (本品種使用WS澆鑄工藝，磚體不存在縮孔

16、，且內(nèi)部結(jié)構(gòu)均勻，具有極強的抗玻璃液侵蝕能力且易于接受各種冷加工。磨光，打孔，切割，精磨效果俱佳。) Recommendations:This product is designed for the sidewalls of glass furnaces with large pulls and high efficiency. It is also able to be used for the all parts of electric furnaces. It is better to use this product for thermal places of ordinary fla

17、me furnaces, such as sidewall, doghouse, corners, dam, bottom bubbler block and throat. (建議高出料量，高生產(chǎn)效率的玻璃熔窯池壁完全用本產(chǎn)品，也建議電熔窯的所有部位都采用本產(chǎn)品，一般火焰窯熱點處池壁、加料口、拐角、窯坎、池底鼓泡磚及流液洞部位應(yīng)使用本產(chǎn)品)Shape and size:This product is available on rectangular for approximate shapes, and it also can be made into special formats and

18、 shapes by special processes. （本品種可生產(chǎn)大尺寸直型磚和近似直形磚，并可以通過加工手段制得特殊形狀的磚材）HN-M(-):NH-M has dense structure, which does not contaminate glass melting liquid, and has excellent property of corrosion resistance to glass melting liquid below 1350C. It is the ideal refractory material for feeder channel, channel and working ends of glass furnaces.(具有結(jié)構(gòu)致密，不污染玻璃液，在1350度以下抗玻璃液侵蝕性能優(yōu)異等特點，是玻璃熔窯料道、流