Large size cast monolithic refractory repair modules and interfi

Details Large size cast monolithic refractory repair modules and interfi Large size cast monolithic refractory repair modules and interfi

1993-03-30

1995-06-13

Friedman, Carl D.

Static structures (e.g., buildings)

Flue with gaseous fluid-directing feature

52219, 52284, 523024, 52606, 110332, 110336, 110338, 202139, C10B 2902, E04B 116

Patent

active

054231523

ABSTRACT:
Large size cast monolithic refractory repair modules which may be used to replace existing silica bricks within a coke oven heating wall. The modules are formed from a castable refractory mix having very high dimensional stability over a wide range of temperatures. Each of the modules is a rectangular parallelepiped having one or more vertically extending flues formed therein, one end of a module being adapted to conform to the end shape of the damaged heating wall, the other end of the module being adapted to interfit with existing brickwork. The modules are assembled by initially removing damaged brickwork from the heating wall and then placing in the new modules of this invention which are mortared in place. The large size cast modules of the invention are manufactured by selecting a material which when cast will have the desired characteristics, mixing the dry refractory material with a relatively small amount of water, pouring it into a mold on a shaker table and vibrating the mold when filled, and then by firing the cast material after initial set at progressively higher temperatures up to 800 degrees Fahrenheit over a period of almost 60 hours. In addition, novel interfitting modules having specific shapes and sizes may be used for the repairs of ceilings above the coke chambers defined by adjacent heating walls.

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A paper titled "Use of Refactory Modular Shapes in Coke Oven Battery End Flue Repairs" by P. H. Lauzon et al. presested at ISS49th Ironmaking Conference Mar. 1990 Detroit, Mich.
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