Mortar for repairing damaged portion of blast furnace and...

Details Mortar for repairing damaged portion of blast furnace and... Mortar for repairing damaged portion of blast furnace and...

C - Chemistry, Metallurgy

04

B

261/24

C04B 35/66 (2006.01)

Patent

CA 1105061

MORTAR FOR REPAIRING DAMAGED PORTION OF BLAST FURNACE AND MORTAR CHARGING MEANS Abstract of the Disclosure For repairing damaged portion of a blast furnace, mortar composed of 5 to 30% of pitch with a softening point of 70 to 250°C, added as binder, 8 to 50% of ethylene bottom oil added as fluidity imparting agent and, if necessary, less than 3% of pitch, 1 to 7% of phenol resin and less than 10% of metal or carbon fiber, the rest being powdery refractory base materials, is used. Such mortar is charged under pressure by a charging means, with which the mortar is charged under high pressure by a charging member secured to a plurality of support rods extending from one end of a nozzle penetrating the blast furnace wall. This charging member functions to guide mortar toward the inner furnace wall by virture of a central projection projecting from its back side.

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