Sacrificial refractory shield assembly for use on a boiler tube

Details Sacrificial refractory shield assembly for use on a boiler tube Sacrificial refractory shield assembly for use on a boiler tube

2006-06-27

2006-06-27

Walberg, Teresa J. (Department: 3753)

Heat exchange

With protector or protective agent

C029S890030

Reexamination Certificate

active

07066242

ABSTRACT:
The refractory shield assembly comprises: a semi-circular, elongate, metal shield; a plurality of spaced apart anchors protruding from the front surface of the shield; a layer of abrasion-resistant refractory material overlying the surface and extending between and engaging the anchors, whereby the refractory material is held on the shield by the anchors; and means, such as clamps, for securing the shield on a boiler tube. The refractory shield assembly functions to protect the underlying boiler tube from erosion by a stream of hot combustion gas containing particulates.

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patent: 6065532 (2000-05-01), Brownlee
patent: 6612366 (2003-09-01), Chuang
patent: 6971169 (2005-12-01), Terashima et al.

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