| 摘要 |
<p>A steel sheet cleaning line to remove foreign substances attached to the surface of a steel sheet before annealing the steel sheet according to an embodiment of the present invention comprises scrubbers each installed to the top and the bottom of the steel sheet transmitted in one direction for scrubbing the steel sheet; an injection nozzle connected to the scrubber for supplying a cleaning fluid to the steel sheet; a rinsing tank installed on the rear part of the scrubber around a transmitting direction of the steel sheet, in which pure water is filled in the inside, and to remove foreign substances remaining on the steel sheet; an alkali supply line connected to an alkali storage tank for supplying alkali liquid to the injection nozzle; and a pure water circulating line connected to the rinsing tank and having a junction communicated with the alkali supply line.</p> |
