Patent · US Expired

Repairing material for bricks of carbonizing chamber in coke oven and repairing method

US6156688A · kind A · utility

42Cited by
3References
21Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 2, 1998
Grant dateDec 5, 2000
Priority date
Expiry dateDec 2, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/72
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A repairing material for the bricks of the carbonizing chamber in a coke oven is obtained by compounding mortar as a main component with a powder comprising 70-100 wt. % of a Co compound, Ni compound, and/or Al compound and 0-30 wt. % of at least one compound selected from among the compounds of Ca, Mg, Zn, Sr, Ba, Fe, V, Pb, Cu, and Ti, and a liquid formed of water, B, P, and at least one member selected from among Si, Na, and K. A method for repairing includes hot applying the repairing material to portions of the bricks of the carbonizing chamber in the coke oven which are in need of repair.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.