<br><div><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; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　溢流喷射印花染色机能对绝大部分的针织物进行染色加工，染色产品质量较好，且费用合理，故在针织物印染企业的染色设备中占有率较高。</p><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; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　溢流喷射印花染色机在染色过程中要注意下列事项；（1）控制好浴比浴比大小的确定与所加工的针织物厚薄有关。加工轻薄织物时浴比应大些，因为薄的织物体积大，长度长；反之，加工较厚的织物时，浴比可小些。一般浴比的大小可使织物在机内运转一圈约需1．5～2min。实践证明，如果织物转速太快，织物接触导布辊的次数越多，织物的交织点往往会因此而产生滑移；如果转速太慢，则容易产生色花。这是因为织物在储布柜内堆积时间长，加之织物在机内滞留过程中难免受热不匀而导致色光色花。另外，机内的染液流向和快慢也会引起织物打结和堵布等现象。</p><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; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　（2）掌握好染色过程中的升温、保温和降温，切忌大起大落。如原来以0.1℃／min升温或降温，考虑到其他因素，则可以加快或减慢0．5℃／min，即1．5℃／min或0．5℃／min。</p><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; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　（3）控制好pH值首先在配液时控制pH值达到工艺要求，在染色过程中控制pH值更为重要。染色助剂的选用要慎重。例如应用分散染料染涤纶及其混纺交织物时，用98％冰醋酸可调节pH值到5±0．5 0当染液加热或应用助剂不当时会使染液pH值上升，致使染浴的．pH值不稳定，若加入硫酸铵可稳定染浴的pH值，也可加磷酸二氢铵。</p><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; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　（4）严格化料和加料要认真按操作规定进行化料和加料。以分散染料为例，分散染料本身是一种非离子型的疏水性染料，但商品化时已填人扩散剂MF，有些甚至加入扩散剂NNO（不耐高温），还有木质素磺酸钠、防尘剂及无机盐类化合物。因此市售的分散染料为阴离子染料，由于其溶解度低，染料在水中呈极细小的颗粒悬浮液，故只能采用30。C左右的水化料。如果化料水温太高，反而有使染料产生聚集的倾向。有时虽经搅拌，甚至筛滤人缸，但进入染浴后会发生二次凝聚，很容易在染色时产生斑点。其次要注意加入染色机时的速度和浓度。一般应稀释至1：10，即lk9染料或助剂用lok9的水稀释，宜多不宜少。然后用5min左右的时间缓慢注入染色机，不宜操之过急。</p><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; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　</p><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; 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></div>