影响全氧助燃技术应用推广的因素分析

分析了影响浮法玻璃0#小炉全氧助燃技术的推广的因素,并根据已运行的0#小炉全氧助燃窑炉进行对比,使用全氧助燃烧技术是浮法玻璃企业节能环保的手段之一。     

浮法玻璃窑炉应用顶插全氧喷枪的探讨

介绍了顶插全氧喷枪技术的原理和特性及其在浮法玻璃窑炉上的应用,并通过数值模拟的方法和传统的0小炉助燃进行了比较,分析了其在浮法玻璃窑炉上的实用性。     

浮法玻璃熔窑0^#小炉纯氧助燃技术经济分析

对0^#小炉纯氧助燃技术在浮法玻璃熔窑上的燃烧技术方案进行了论证,采用该技术方案,不仅能节能降耗,面且有很可观的经济效益。     

浮法玻璃熔窑O#枪全氧燃烧技术应用

论述了浮法玻璃熔窑0#枪全氧助燃技术应用过程中的关键问题及相关解决办法,指出0#枪全氧助燃技术是浮法玻璃窑炉生产后期大幅度提高产量、质量,减少废气排放的最好手段,是企业取得良好经济效益和提高市场竞争力的有力措施。     

燃天然气浮法玻璃熔窑小炉结构设计探讨

简述了天然气的燃烧特征，阐述了小炉结构形式在浮法玻璃熔窑中的重要作用，列举了目前燃天然气浮法玻璃熔窑小炉采用的几种常见的结构形式，通过对其优缺点进行详细比较，提出利用侧烧＋底插式结构是燃天然气小炉的较佳形式。     

发生炉煤气与浮法玻璃生产

分析了发生炉煤气在浮法玻璃生产中的应用范围,并对发生炉煤气的应用成本进行了核算与对比,阐述了发生炉煤气对浮法玻璃生产控制过程的影响,并就煤气站自身和对工厂生产环境的影响进行了简要介绍。     

燃天然气窑炉0~#枪全氧燃烧系统设计

主要对等离子(PDP)浮法玻璃窑炉上的0枪天然气全氧燃烧系统的设计原理和应用效果等方面进行了阐述。并#分析了0枪全氧燃烧系统在PDP玻璃基板生产中对玻璃质量品质提高及燃气优化利用的重要影响。     

富氧燃烧技术在浮法玻璃熔窑中的使用

利用浮法玻璃生产线保护气车间提供的富氧空气,通过一系列方法和控制手段,经输送管道、阀门和利用罗茨风机将加压后的富氧空气引入玻璃熔窑蓄热室两侧,沿小炉中心线下引支管,支管上安置流量控制阀门,后由富氧喷嘴引入蓄热室清灰门上端,,喷口与小炉中心线成一定角度,富氧气体以一定的角度和足够的压力与助燃风混合预热后,喷入窑内进行助燃。将富氧空气喷嘴安装在3#～4#蓄热室下部,节能效果较好。本系统不会对气保车间有任何影响,也不会影响到玻璃生产线的正常生产。     

煤气发生炉的改造及炉箅应用总结

0引言 安徽淮化集团有限公司老合成氨系统通过改扩建,已实现醇氨生产能力180 kt/a.造气系统除1台恩德粉煤气化炉外,还有8台UGI煤气发生炉,其中:4#～8#炉夹套内径由φ2 745 mm改为西3 000 mm,炉箅为专用炉箅,原料主要为焦炭、型煤、中块白煤,用于间歇、富氧两用生产制气;1#～3#炉仍为φ2 745 mm炉,炉箅为宝塔型炉箅,重点烧小籽焦和小块白煤,用于富氧连续生产制气.     

0#纯氧烧嘴在玻璃熔窑上的应用探讨

在不改变横火焰玻璃熔窑原有结构的基础上,在加料端与1#小炉之间增设的0#纯氧助熔烧嘴,在改善玻璃质量、提高玻璃产量以及熔窑运行后期稳定生产方面有重要作用。介绍了0#纯氧烧嘴助熔系统的组成及工作过程,总结了在实际应用当中所获得的经验教训和取得的效果。     

浮法玻璃生产企业余热利用探讨

在浮法玻璃生产过程中,玻璃窑炉产生的高温烟气余热回收发电,退火窑热风与玻璃熔窑小炉蓄热室顶部热风回收到助燃风系统,提高助燃风温度,降低燃料消耗,改善玻璃熔化质量,达到节能减排、优质稳产目的。     

浮法玻璃窑炉石油焦粉全富氧燃烧探讨分析

以石油焦粉取代重油或天然气作为玻璃生产的燃料,降低成本的同时也会带来一系列问题,从而提出石油焦粉全富氧燃烧思路,取消蓄热室和小炉,并对浮法玻璃窑炉石油焦粉全富氧燃烧进行理论与经济效益分析,认为浮法玻璃窑炉石油焦粉全富氧燃烧技术是可行的。     

浮法玻璃下表面渗锡的X射线光电子谱

利用X射线光电子谱仪（X-ray photoelectron spectroscopy,XPS）对国内外浮法玻璃样品（样品A和样品B）下表面渗锡情况进行了对比分析。结果表明：在浮法玻璃下表面900nm范围内,2种样品中的锡离子在渗锡面均以Sn^0,Sn^2＋,Sn^4＋ 3种价态存在,Sn^2＋在整个渗锡量中均占最大比例。在近表面区,渗锡均以Sn^2＋态为主,Sn^0和Sn^2＋含量之和均占到总渗锡量的90％以上,且样品A渗锡量远远高于样品B的渗锡量。样品A的不同锡离子相对含量沿深度变化较大,而样品B的不同锡离子相对含量沿深度变化小于1％。结合扫描电子显微镜形貌观察可知：钢化虹彩现象是由钢化处理中,Sn^2＋转变为Sn^4＋的氧化反应导致的体积膨胀引起的。在该反应过程中单胞体积增大3％。综合XPS与钢化虹彩实验结果可知,XPS分析可以有效而精确地提供浮法玻璃中锡的价态以及含量信息。     

Experience of the Saratov Institute of Glass in Developing Special-Duty Refractories for Float Process

The Saratov Institute of Glass has developed a domestic version of the float process using two-stage formation of glass and is one of the leaders of applied research in Russia in the field of production and development of new different types of float glass and products based on this glass. __________ Translated from Steklo i Keramika, No. 5, pp. 12 – 13, May, 2005.     

Effect of Enameling on the Strength and Dynamic Fatigue of Soda–Lime–Silica Float Glass

The effect of a glass enamel coating on the strength and fatigue behavior of float glass was investigated. Commercially available enamel that was comprised of Cu₂Cr₂O₄ pigment particles in a bismuth-zinc borosilicate glass matrix was applied to a soda–lime–silica float glass via screen printing, followed by fusion at elevated temperature. Strengths of the enameled specimens were evaluated in biaxial flexure using a ring-on-ring (ROR) test geometry, and the data were analyzed using a conventional two-parameter Weibull distribution. Enameling was found to significantly degrade the strength of the float glass. There was no statistical difference in the characteristic strengths of samples enameled on the air side (66 MPa) compared with samples enameled on the tin side (61 MPa) of the float glass. Fractographic analysis revealed that the failures in the enameled float glass samples initiated at pores and pigment aggregates in the enamel, whereas failures in float glass samples initiated solely from surface flaws. Dynamic fatigue tests were performed on enameled float glass and indented float glass samples to determine the effect of the enamel on the stress corrosion behavior of the enameled components. There was no statistically significant difference between the stress corrosion exponents for the float glass and enameled float glass specimens.     

Biaxial Flexure Strength and Dynamic Fatigue of Soda–Lime–Silica Float Glass

The strength and dynamic fatigue behavior of float glass was investigated using biaxial flexure tests. The samples were tested using the ring-on-ring (ROR) biaxial flexure test geometry, and the data analyzed using a conventional two-parameter Weibull distribution. The as-received samples revealed that the air side exhibits a higher characteristic strength (243 MPa) compared with the tin side (114 MPa); fractographic analysis confirmed the presence of significantly larger flaws on the tin side of the specimens, presumably due to contact damage by the rollers in the float glass process. Dynamic fatigue results for as-received and indented samples were performed to assess whether differences in the stress corrosion behavior of float glass exist because of tin penetration. No statistical difference in the stress corrosion exponent was found between the air ( n = 21.7) and tin ( n = 21.6) sides of the float glass. This indicates either that the tin penetration (which extends ∼25 μm) plays no role in altering the stress corrosion susceptibility of float glasses because the native flaw size is larger than the tin penetration depth or that the tests do not have the required sensitivity to distinguish the effect of the tin. Alternative test methods for direct observation of slow crack growth in tin-doped bulk glasses are planned to investigate this in the future.     

中国平板玻璃工艺技术装备出口海外市场现状

介绍了当今国际玻璃市场上值得人们关注的中国浮法玻璃工艺发展状况;并简要地阐述了近年来中国浮法玻璃生产工艺在国内发展建设规模及数量。与此同时还着重介绍了中国浮法玻璃工艺及其装备和平拉玻璃工艺装备、压延玻璃工艺装备等平板玻璃生产线不断出口国际玻璃市场的最新动态。