<section data-role="outer" class="article135" label="edit by 135editor"><section class="_135editor" data-tools="135编辑器" data-id="99128"><section style="margin:10px 0 20px;"><section style="border: 4px solid rgb(247, 25, 25); padding: 1em 1em 2em; background-image: url(&quot;https://bdn.135editor.com/files/images/editor_styles/506b7d9203d9e49f7fba970f1edb8dfc.jpg&quot;); background-repeat: no-repeat; background-size: 50px; background-position: right bottom;"><p style="text-align: justify; line-height: 1.75em; color: #333333; letter-spacing: 1.5px;" align="justify"><span style="font-size: 16px; caret-color: red;">&nbsp; &nbsp;</span></p><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;">&nbsp; &nbsp; &nbsp;高速纺丝冷盘拉伸蒸汽定型工艺由瑞士英文塔工程公司开发成功，主要用于锦纶生产，也可用于涤纶长丝的生产。该工艺路线简称H4S(见图12-4)。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">&nbsp; &nbsp; &nbsp;高速纺丝冷盘拉伸蒸汽定型工艺路线中的干燥、纺丝部分与高速纺相同。从甬道下来的丝由两组成对的常温拉伸辊拉伸，然后进人蒸汽箱进行热定型，消除冷拉伸产生的应力，并产生结晶。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;">&nbsp; &nbsp; &nbsp;丝在每一组拉伸辊上绕3～4圈，防止打滑。蒸汽箱中装有网络喷嘴，用蒸汽对丝进行网络加工。离开网络喷嘴的蒸汽作为定型蒸汽使用。第一对导辊的速度约4000m/min，第二对导辊的速度约5300m/min；卷绕速度约5000m/min。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;">&nbsp; &nbsp; &nbsp;蒸汽箱(汽室)上设有排气口，可把过量蒸汽和挥发出来的纺丝油剂油雾抽走，可改善操作环境，减少空调系统的负荷。<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0px; line-height: 1.6;">高速纺丝冷盘拉伸蒸汽定型工艺路线使用冷拉伸盘，设备投资较低，维修管理比较简单。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></p></section></section></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; transform: rotateZ(270deg); overflow-wrap: break-word !important;"><section style="margin: -50px 0px -30px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(192, 0, 0); font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img" data-type="png" width="70%" _width="70%" src="https://mmbiz.qpic.cn/mmbiz_png/zDvsoJGvRryWytfPqm6hLBsLicJ4QTGKX1q8t7oAbM3e1kg3JQfQY6G562Z8KQgdryQyb3YaEW8xSWSMb9uIia1g/640?wx_fmt=jpeg" alt="图片" data-fail="0" style="margin: 0px; padding: 0px; outline: 0px; width: 70%; max-width: 70% !important; overflow-wrap: break-word !important; height: auto !important; visibility: visible !important;" data-ratio="1.4640625" data-w="640"></strong></span></section></section><span style="font-size: 16px;"></span></section></section></section><section data-role="paragraph" class="_135editor" style="height: 0px; overflow: hidden;"></section><section class="_135editor" data-role="paragraph"><p><br></p></section></section>