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US 2019/0055165 A1Published application
Precast refractory block for coke oven
AssigneesNippon Steel & Sumitomo Metal Corporation, Krosakiharima Corporation
InventorsHidetoshi TERASHIMA, Yasushi TSUTSUI, Hironao TAKEMOTO, Taijirou MATSUI, Takashi MATSUNAGA, Yutaka KITAZAWA
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Abstract
A precast refractory block for a coke oven having high hot strength and stable under-load expansion/shrinkage behavior at high temperatures. Specifically, a silica-based precast refractory block contains a P2O5 component in an amount of 0.3 to 2.0 mass %.
Claims7
A silica-based precast refractory block for a coke oven, the precast refractory block containing a P2O5 component in an amount of 0.3 to 2 mass %.
Dependencies are inferred from the claim text.