<section class="_135editor" data-role="paragraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><section class="_135editor" data-role="paragraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp; &nbsp; 蒸化是用蒸汽来处理印花织物的过程。蒸化的目的是使印花织物完成纤维和色浆的吸湿和升温,从而促使染料的还原和溶解,并向纤维中转移和固着。蒸化机是用于对织物印花或染色后进行汽蒸,使染料在织物上固色的专门设备。</span></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 在蒸化机中,织物遇到饱和蒸汽后迅速升温,此时凝结水能使色浆中的染料、化学试剂溶解,有的还会发生化学反应,渗入纤维中,并向纤维内部扩散,达到固色的目的。所以,蒸化机必须提供完成这一过程所需的温度和湿度条件。根据织物传送形式的不同,蒸化机分为导辊式和长环式两类。</span></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 一、导辊式蒸化机</span></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 导辊式蒸化机适用于棉及涤棉混纺织物中的还原染料或活性染料印花后常温常压汽蒸固色。织物在导辊间竖向穿布,为双面接触、紧式传送织物的蒸化机,如图8-34所示。该机公称宽度有1100mm、1600mm两种,印花织物可以单层或双层在机内连续蒸化,车速20～70m/min,容布量以单层计约225m,蒸化时间3～11min,汽蒸温度102～105℃。</span></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 蒸化机上部导布辊为主动辊,并采用单向超越离合器,可通过离合器的滑动而使织物张力自动调整均匀。汽封口及箱顶均为蒸汽夹套加热,箱顶后部有风机排汽,在蒸箱升温时使用,可以消除箱顶滴水;箱底有蒸汽直接加热的水槽,槽内还有蒸汽间接加热管。通常水面上还装有两根紫铜喷汽管,除供给饱和蒸汽外,还可在开车时用来排除机内空气。为防止水槽内水滴和蒸汽飞溅到织物上造成水渍,水槽上面有多孔隔板9,还可在上面铺粗麻布等物。另外,还有蒸汽引射冷凝水喷雾的给湿装置等。</span></p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; text-align: center; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzsb80016.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzsb80016.png" draggable="false" data-ratio="0.7266514806378133" data-w="439" style="margin: 0px; padding: 0px; max-width: 100%; max-inline-size: 100%; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 织物从蒸化箱上部的进出布汽封口进入机内,先向下经最下面的6根超速导布辊,然后向上,自上排最后一根主动导布辊开始再由后向前在上下导布辊间穿行,运行到前上方进出布汽封口处出布。这样使进机织物先受到蒸汽给湿预热,再上下穿行,有利于色浆中的染料充分溶解、反应、固着。湿度较大的废热气,由蒸箱后面的排气管排出。</span></p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section></section>