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11. 发明授权

US5775269A Boiler protection tube assembly 失效
标题翻译：锅炉保护管总成
公开(公告)号：US5775269A
公开(公告)日：1998-07-07
申请号：US679305
申请日：1996-07-12
申请人： Howard John Lawrence
发明人： Howard John Lawrence
IPC分类号： F22B37/08 , F22B37/06
CPC分类号： F22B37/08
摘要： A boiler protection tube assembly having an inner ceramic sleeve, a ceramic block and an outer ceramic sleeve. The inner ceramic sleeve is of a high-strength, heat resistant ceramic material with at least moderate thermal shock resistance. The outer ceramic sleeve is of a heat resistant, insulating ceramic fiber and extends around the outer sleeve along its length. The inner and outer sleeve are insertable through a hole which extends through the ceramic block into an end of a condenser tube of a tube sheet boiler. The outer ceramic sleeve reduces heat flow between the inner ceramic sleeve and both of the ceramic block and the condenser tube. The ceramic block has a plurality of side faces generally perpendicular to the inner and outer faces to enable the blocks to be installed with side faces adjacent to corresponding side faces of adjacent blocks.
摘要翻译：一种具有内部陶瓷套筒，陶瓷块和外部陶瓷套筒的锅炉保护管组件。内陶瓷套筒是具有至少中等耐热冲击性的高强度耐热陶瓷材料。外陶瓷套筒是耐热绝缘陶瓷纤维，沿其长度在外套筒周围延伸。内套筒和外套筒可通过穿过陶瓷块的孔插入管板锅炉的冷凝管的一端。外陶瓷套筒减少内陶瓷套筒与陶瓷块和冷凝器管之间的热流。陶瓷块具有大致垂直于内表面和外表面的多个侧面，以使块能够安装有与相邻块的相应侧面相邻的侧面。

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