DEVICE FOR CLEANING AND DRYING ROLL STANDS
Equipment ( 10 ) for cleaning and drying roll stands, particularly roll stands in a rolling train, wherein a roll change device movable into the roll stand on rails transversely to the rolling line is provided for changing the rolls, wherein the device ( 10 ) is movable, similarly to the roll change device, on the rails ( 12 ) thereof and comprises a plurality of jet nozzles, which can be directed towards the roll stand ( 11 ), for a liquid cleaning medium ( 16 ) and blow nozzles ( 22, 22 a, 22 b, 22 c ) for a drying medium ( 24 ).
1 . Device for cleaning and drying roll stands, particularly roll stands in a rolling train, wherein a roll change device movable into the roll stand on rails transversely to the rolling line is provided for changing the rolls, characterised in that the device ( 10 ) is movable, similarly to the roll change device, on the rails ( 12 ) thereof and comprises a plurality of jet nozzles, which can be directed towards the roll stand ( 11 ), for a liquid cleaning medium ( 16 ) and blow nozzles ( 22 , 22 a, 22 b, 22 c ) for a drying medium ( 24 ).
2 . Device according to claim 1 , characterised in that the jet nozzles are constructed as rotating and pivotable nozzles.
3 . Device according to claim 1 , characterised in that the jet nozzles ( 15 , 15 a, 15 b, 15 c ) are arranged on or in a movable nozzle head.
4 . . Device according to claim 1 , characterised in that the jet nozzles ( 15 , 15 a, 15 b, 15 c ) are configured for spraying a cleaning medium.
5 . Device according to claim 1 , characterised in that the blow nozzles ( 22 , 22 a, 22 b, 22 c ) are constructed as slot nozzles or also by a plurality of individual nozzles arranged in a row.
6 . . Device according to claim 5 , characterised in that the blow nozzles ( 22 , 22 a, 22 b, 22 c ) are constructed as rotating slot nozzles.
7 . Device according to claim 1 , characterised in that the jet nozzles ( 15 , 15 a, 15 b, 15 c ) and the blow nozzles ( 22 , 22 a, 22 b, 22 c ) can be oriented in their effective direction from above to below or from below to above referred to the rolling line.
8 . Device according to claim 1 , characterised in that the coupling of the duct system ( 21 ; 13 , 13 a , 13 b, 13 c ) for the jet nozzles ( 15 , 15 a, 15 b, 15 c ) and blow nozzles ( 22 , 22 a , 22 b, 22 c ) to the respective supply sources ( 20 ) is carried out automatically or also manually on movement of the backing rolling change device into the roll stand ( 11 ).
9 . Device according to claim 1 , characterised in that the jet nozzles ( 15 , 15 a, 15 b, 15 c ) and the blow nozzles ( 22 , 22 a, 22 b, 22 c ) are settable and positionally controlled with respect to their action, output quantity for the cleaning medium ( 16 ) and drying medium ( 24 ), the movement speed and the mutual spacing.
10 . Device according to claim 1 , characterised in that the jet nozzles ( 15 , 15 a, 15 b, 15 c ) and the blow nozzles ( 22 , 22 a, 22 b, 22 c ) are part of a module movable into the roll stand ( 11 ) so that the cleaning and drying can take place in succession by corresponding displacement of the module transversely to the rolling line.
11 . Device according to claim 10 , characterised in that the module is temporarily introduced into the rolling installation with use of the roll change device.
12 . Device according to claim 10 , characterised in that the equipment is constructed in accordance with the function as separate devices for cleaning and drying.