GENERAL-PURPOSE LINE FOR TREATMENT OF STEEL STRIP FOR PRODUCTION OF HIGH-STRENGTH STEEL OF VARIOUS TYPES Russian patent published in 2014 - IPC C21D8/02 C23C2/40 

FIELD: metallurgy.

SUBSTANCE: invention relates to treatment lines of a steel strip for production of various types of high-strength steel products. The line includes an uncoiling and flushing station, a heating station, an exposure station, a slow cooling station, a gas jet cooling station, a water tempering station, an acid cleaning station, a repeated heating station, a re-ageing station, a final cooling station, a flattening station, a finish machining station, a lubricating station and a coiling station. Additionally, the station includes a galvanic station that is connected through connection channels separately to the uncoiling and flushing station, the acid cleaning station and the repeated heating station, a hot dip galvanising and galvaniser station, which is connected to the repeated heated station by means of a channel of a hot galvanising furnace, as well as to the post-galvanising cooling station and the final cooling station by means of connection channels, as well as a passivation and additional treatment station, which is separately connected to the galvanic station, the flattening station and the finish machining station by means of connection channels. The repeated heating station is connected to the re-ageing station by means of a moving bypass channel.

EFFECT: providing a possibility of producing different types of high-quality steel products.

7 cl, 9 ex, 9 dwg