High strength coke-oven mortar

Details High strength coke-oven mortar High strength coke-oven mortar

1986-04-14

1987-09-22

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106314, C04B 1202

Patent

active

046953230

ABSTRACT:
A high strength mortar has been developed for use with silica brick, in the construction of coke-oven heating walls. When fired to conventional coke oven temperatures of about 1100.degree. C., the mortar develops a tensile strength within the mortar itself, and a tensile bond to the silica brick, which exceeds the tensile strength of the silica brick. The mortar is composed of three primary solid constituents: 25 to 88 percent SiO.sub.2, 6 to 65 percent Al.sub.2 O.sub.3 and 4 to 12 percent P.sub.2 O.sub.5. To achieve such high tensile strength, the other solid constituents must be maintained at a minimum, desirably less than four percent and preferably less than two percent.

REFERENCES:
patent: 3730744 (1973-05-01), Yavorsky
patent: 4508835 (1985-04-01), Kanink et al.
patent: 4522926 (1985-06-01), Felice

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