上层建筑耐火材料的现场测试

IF 0.5 4区 材料科学 Q4 MATERIALS SCIENCE, CERAMICS
D. Shamp
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引用次数: 0

摘要

几乎所有的玻璃制造商,包括舒勒,都已经转换为全氧燃料燃烧,遇到了上部结构耐火和烟道耐火的困难。由于高蒸气浓度在全氧燃料熔体中造成了不期望的冷凝物,因此遇到了许多问题。有些测试实验室有通过模拟炉内气氛和温度状况对上层建筑耐火材料进行测试的设备。这样的测试提供了一个洞察什么可以预期在一个给定的耐火材料的安装。然而,模拟大气和相对较短的测试时间可能无法激发信心。因此,Schuller进行了原位测试实验,将耐火材料样品放置在窥视孔、废弃的燃烧器块和排气口中相对较长的时间,以获得对给定应用的耐火材料寿命预测的更大信心。此外,原位测试将耐火材料样品放置在将使用它的地方附近,从而为给定的测试创造真正的气氛和温度制度。现场测试旨在确定特定熔炉在生产过程中必须产生的特定玻璃化学物质或化学物质范围的最佳使用寿命。每个操作人员都可以在任何炉上执行此程序,以获得对供应商可能推荐的未来耐火材料应用的新产品的信心。该程序也可用于不同供应商耐火材料的头对头测试。此外,目前使用的材料可以与建议的新材料进行测试。本文介绍了所使用的测试程序和所获得的一些结果。«少
本文章由计算机程序翻译,如有差异,请以英文原文为准。
In‐Situ Testing of Superstructure Refractories
Almost all glass manufacturers--including Schuller--that have converted to oxy-fuel combustion have encountered superstructure refractory and flue refractory difficulties. Many problems have been encountered because of the higher vapor concentration in oxy-fuel melters that cause undesirable condensate species. Some testing laboratories have facilities for conducting tests on superstructure refractories by simulating the furnace atmosphere and temperature regime. Such tests provide an insight into what can be expected in the installation of a given refractory. However, the simulated atmosphere and the relatively short test period may not inspire confidence. Therefore, Schuller has experimented with in situ testing by placing refractory samples in peepholes, abandoned burner blocks and exhaust ports for relatively long periods of time to gain greater confidence in predicting refractory life for a given application. Furthermore, in situ testing places a refractory sample in close proximity to where it will be used, thus creating a true atmosphere and temperature regime for a given test. In situ testing is intended to determine the best service life for a given glass chemistry, or range of chemistries, that a particular furnace must produce during a campaign. This procedure is something that each operator can perform on any furnace to gain confidence in anymore » new product that a supplier might recommend for future refractory application. The procedure also can be used as head-to-head testing of refractory materials from different suppliers. Also, the material currently being used can be tested against a suggested new material. This article presents the test procedure used and some of the results obtained.« less
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来源期刊
American Ceramic Society Bulletin
American Ceramic Society Bulletin 工程技术-材料科学:硅酸盐
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