Patent ID: 6843958

Claim:
A metallurgical furnace, such as a blast furnace, melting or melt-reduction furnace, provided with a refractory lining and an outer furnace steel jacket ( 15 ), comprising copper cooling plates ( 10 , 10 ′), wherein a flow of cooling medium flows through the cooling plates arranged between the furnace steel jacket ( 15 ) and the refractory lining, wherein cooling medium pipes ( 13 , 14 ) of the copper cooling plate ( 10 , 10 ′) provided for supplying and removing the cooling medium are guided through the furnace steel jacket ( 15 ) to the exterior and are gas-tightly welded to the furnace steel jacket ( 15 ), wherein the copper cooling plate ( 10 , 10 ′) is connected free of play in all spatial directions to the furnace steel jacket ( 15 ), in addition to attachment by means of the cooling medium pipes ( 13 , 14 ) welded to the furnace steel jacket ( 15 ), by at least one fixed-point fastening element ( 11 ) that is welded to the furnace steel jacket ( 15 ), the at least one fixed-point fastening element being arranged within at least one of the upper part and the lower part of the copper cooling plate immediate proximity of the cooling medium pipes.