| 摘要 |
A method for the heat treatment of extended steel products such as, for example, rods, pipes, work pieces, etc., while the products are in motion. The products ( 13, 14, 33, 34, 35 ) are caused to be heated by DFI burners ( 6 - 11, 16 - 20 ) (where "DFI" is an abbreviation for "direct flame impingement"), which burners are caused to be located such that one set of burners ( 6, 7, 8, 9, 10, 11 ), ( 16, 17, 18, 19, 20 ) essentially covers the circumference of the products, and in the burners are caused to be located integrated into arrangements ( 2 - 4, 13 ) that transport the product in a direction that is perpendicular to a plane in which the flames of the burners essentially lie.
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