... -in heat exchanger the machine can be appiied for dyeing, scouring, bleaching,washing skein,cheese or ... exchanger,which can be used for heating,and also can be used for cooling.Heat exchanging speed:when ... pressure is 0.4 MPa,40minutes will be required for the liquid inside the dyeing beck raising from ... temperature is 20°C,40 minutes will be required for the liquid inside the dyeing beck lowering from ...