CN114775313A - 一种新型涤棉一浴染色工艺 - Google Patents

一种新型涤棉一浴染色工艺 Download PDF

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CN114775313A
CN114775313A CN202210542597.7A CN202210542597A CN114775313A CN 114775313 A CN114775313 A CN 114775313A CN 202210542597 A CN202210542597 A CN 202210542597A CN 114775313 A CN114775313 A CN 114775313A
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樊蓉
潘立潮
贺龙
凡芳
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Fujian Fynex Textile Science & Technology Co ltd
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Abstract

本发明公开了一种涤棉一浴染色工艺,包括如下步骤:S1、氧漂、酸洗中和、除氧;S2、染涤染棉:向染色机进35-45℃水,加入法曼风SP运行3-5min,此时加入染料雅格欣CP后继续运行8-10min,按照元明粉的加入总量先加入1/2的元明粉,运行3-5min,以2℃/min的速率升温至60℃后,加入余下的1/2元明粉,继续运行3-5min,其后以2℃/min速率升温至110℃,运行3-5min,以1℃/min速率升温至130℃,运行25-35min,然后以2℃/min的速率降温至78℃,最后取样、排水;S3、水洗、皂洗、固色、柔软;S4、出缸。本发明具有节能节水,提高生产效益和低污染的特点,流程短、减少了排放、节约了能耗、降低了生产成本、同时保证了产品品质。

Description

一种新型涤棉一浴染色工艺
技术领域
本发明涉及面料处理技术领域,具体涉及一种新型涤棉一浴染色工艺。
背景技术
纺织染整工业是一个高污染行业,并被国家列为重点污染行业,据国家环保局统计,印染行业污水排放总量居全国排放量第五位。故此,减少污染和排放是纺织染整工业的首要任务,重中之重,且迫在眉睫。
面对国内日益严峻的环境问题以及原材料价格的大涨,使国内的印染企业普遍感觉到成本的巨大压力,无不在设法通过技术改造、设备更新,节能减排等途径降低生产成本。传统涤棉混纺织物采用二浴二步法染色工艺时间较长,先用分散染料染涤纶再还原清洗后使用活性染料染棉,生产效率低,染色工艺时间长,水、电、汽消耗大,同时也给污水处理及排放量造成巨大压力,急需进一步改进完善,研究开发新型的涤棉混纺织物染色工艺,在提高生产效率的同时,节水、节能、减少环境污染。
新形势下的纺织染整工业,走出困境“效能、经济和生态”是当前行业发展的趋势,绿色环保、清洁生产是企业的生存之道,而节能降耗、新工艺、新技术的开发,则是企业立于不败之地的指引和发展方向。
涤、棉针织物结合了棉纤维亲肤柔软与涤纶纤维挺括、保形性好的特点,同时成本较全棉织物大幅降低,因此广泛应用于针织服装面料的制作。但其染色过程较为复杂,传统的涤、棉针织物染色多采用两浴两步法,即先前处理去除棉纤维上的各类杂质及涤纶纺丝油剂,之后再染涤纶、还原清洗,然后套染棉、皂洗,生产品质较稳定,但存在生产流程长、用水量大、能耗高等问题。针对此问题,一直是企业寻求解决的途径和难题。
发明内容
针对现有技术的不足,本发明旨在提供一种新型涤棉一浴染色工艺。
为了实现上述目的,本发明采用如下技术方案:
一种涤棉一浴染色工艺,包括如下步骤:
S1、氧漂、酸洗中和、除氧;
S2、染涤染棉:向染色机进35-45℃水,加入法曼风SP运行3-5min,此时加入染料雅格欣CP后继续运行8-10min,按照元明粉的加入总量先加入1/2的元明粉,运行3-5min,以2℃/min的速率升温至60℃后,加入余下的1/2元明粉,继续运行3-5min,其后以2℃/min速率升温至110℃,运行3-5min,以1℃/min速率升温至130℃,运行25-35min,然后以2℃/min的速率降温至78℃,最后取样、排水;
S3、水洗、皂洗、固色、柔软;
S4、出缸。
进一步地,步骤S1的具体过程为:
向染色机进常温水,然后进布,加入H2O2、NaOH、去油剂,其后升温至85℃,运行20-30min,再降温至78℃,排水后再次进40-50℃的温水,加入中和酸运行8-15min,继续加入除氧剂运行8-15min,最后排水。
进一步地,步骤S3的具体过程为:向染色机进50-60℃水,运行5-8min,溢流、排水,然后进45-55℃水,加入中和酸、皂洗粉,升温至75-85℃,运行8-15min,取样,继续进水、溢流、排水、进水,运行8-12min,最后排水;进40-50℃水,加入固色剂,运行15-25min,排水,然后进40-50℃水,加入柔软剂,运行15-25min,排水,最后出布。
本发明的有益效果在于:本发明具有节能节水,提高生产效益和低污染的特点,流程短、减少了排放、节约了能耗、降低了生产成本、同时保证了产品品质。
附图说明
图1为传统工艺的染涤流程示意图;
图2为传统工艺的还原清洗流程示意图;
图3为传统工艺的染棉流程示意图;
图4为传统工艺的皂洗流程示意图;
图5为本实施例新型涤棉一浴染色工艺中的染涤染棉流程图;
图6为本实施例新型涤棉一浴染色工艺中的皂洗流程图。
具体实施方式
以下将结合附图对本发明作进一步的描述,需要说明的是,本实施例以本技术方案为前提,给出了详细的实施方式和具体的操作过程,但本发明的保护范围并不限于本实施例。
本实施例提供一种新型涤棉一浴染色工艺的应用实施例。
染色品种:CVC20支汗布
染化料助剂:精练剂、NaOH(36°Be)、H2O2(27%)、雅格欣系列染料、法曼风SP、醋酸、除氧酶、匀染剂、元明粉、纯碱、固色碱XH-01、雅可赛TCW。
设备:意大利DANITECH丹尼智能染色机
1、染色设备优化
常规染色工艺高能耗、染色效果差、水、电、汽的消耗大、污染排放大。具体工艺性能如表1所示。
表1传统工艺与本实施例工艺特性对照
Figure BDA0003650851150000041
Figure BDA0003650851150000051
为改善常规染色工艺性能的缺陷,本实施例采用意大利丹尼DANITECH智能染色机,成功地实现了低浴比新工艺,在保证产品质量的前提下,由原来染色1:8~12的浴比降低为1:4~6,工艺能耗大幅度下降,减轻了排放负担、提高了效益。
2、涤棉一浴染色工艺
传统涤棉染色工艺流程为:氧漂→酸洗中和→除氧→染涤(图1)→还原清洗(图2)→酸洗中和→洗水→染棉(图3)→水洗→皂洗(图4)→固色→柔软→出缸。传统的染涤、还原清洗工艺如图1-2所示。
而本实施例中采用的涤棉一浴染色工艺流程包括:
S1、氧漂、酸洗中和、除氧。氧漂、酸洗中和、除氧是染色织物的前处理过程,具体过程为向染色机进常温水,然后进布,加入H2O2、NaOH、去油剂,其后升温至85℃,运行20-30min,再降温至78℃,排水后再次进40-50℃的温水,加入中和酸运行8-15min,继续加入除氧剂运行8-15min,最后排水。
S2、染涤染棉,流程如图5所示。本实施例的染涤染棉流程,是将传统的染涤、还原清洗、染棉等多个单独的工艺流程进行复合化,将其合并为一浴的流程,具体为:向染色机进35-45℃水,加入法曼风SP运行3-5min,加入染料雅格欣CP后运行8-10min,按照元明粉的加入总量先加入1/2的元明粉,运行3-5min,以2℃/min的速率升温至60℃后,加入余下的1/2元明粉,继续运行3-5min,其后以2℃/min速率升温至110℃,运行3-5min,以1℃/min速率升温至130℃,运行25-35min,然后以2℃/min的速率降温至78℃,最后取样、排水。
需要说明的是,元明粉的用量按颜色的深浅决定:浅色为30g/L、中色为40g/L、深色为60g/L。以浅色总用量为30g/L为例,即先加入15g/L,余下第二次加入剩余的15g/L,如此类推。
需要说明的是,法曼风SP是一种碱剂复配物助剂,在染色过程中作用于固色上染,由上海雅运纺织助剂有限公司提供的。
S3、水洗、皂洗(如图6所示)、固色、柔软。水洗、皂洗、固色、柔软是后处理过程,其具体流程为:向染色机进50-60℃水,运行5-8min,溢流、排水,然后进45-55℃水,加入中和酸、皂洗粉,升温至75-85℃,运行8-15min,取样,继续进水、溢流、排水、进水,运行8-12min,最后排水;进40-50℃水,加入固色剂,运行15-25min,排水,然后进40-50℃水,加入柔软剂,运行15-25min,排水,最后出布。
S4、出缸。
由工艺曲线可以看出,本实施例的染色工艺在传统工艺的基础上,减少了还原清洗、热洗的流程,将涤棉二浴染色工艺合并成一步,大大减少工艺时间,染色工艺流程简单,大幅节省水电汽能源消耗,大幅降低废水COD值,达到环保、节能等目的。
以下将本实施例染色工艺与常规染色工艺进行若干综合能耗对比试验。结果如表2、表3所示。
表2
Figure BDA0003650851150000071
表3
Figure BDA0003650851150000081
以下为本实施例工艺与传统工艺产业化应用效果综合对比试验。A、传统工艺:氧漂→酸洗中和→除氧→染涤→还原清洗→酸洗中和→洗水→染棉→水洗→皂洗→固色→柔软→出缸;
B、本实施例工艺:氧漂→酸洗中和→除氧→染涤染棉→水洗→皂洗→固色→柔软→出缸;
本实施例工艺实现了染涤/染棉一浴、取消还原清洗工序。针对同一面料相同颜色分别采用本实施例工艺及传统工艺进行,对产品品质(布面效果、各项牢度)、水电汽能源消耗、染色废水水质及综合成本等各项指标对比。如表4所示。
表4
Figure BDA0003650851150000091
以下对传统工艺与本实施例工艺产品品质进行进一步的对比。
1、耐皂洗色牢度测试:参照GB/T 3921-2008《纺织品色牢度试验耐皂洗色牢度》。
2、拼白测试:将4cm×10cm白色涤纶布和4cm×10cm被测试布钉在一起,放入5.0g/L合成洗涤剂,浴比1:50,在耐洗色牢度试验机上40℃保温30min。
3、浮色测试:将2.5g被测试布和2.5g相应种类的白色布,放入浴比1:50,浓度为5.0g/L合成洗涤剂中,在40℃时搅拌半分钟,对沾色布评级并评定残液溶液的浮色情况。
4、耐摩擦色牢度测试:参照GB/T 3920-2008《纺织品色牢度试验耐摩擦色牢度》。
5、染色成品的色牢度测试结果如表5所示。
表5
Figure BDA0003650851150000101
数据可以看出,本实施例工艺的耐皂洗色牢度4~5级、耐摩擦色牢度干擦4~5级、湿擦3~4级,各项牢度合格,与传统二浴法工艺相比,色牢度基本一致。
本实施例还将传统工艺与本实施例工艺进行染色废水指标对比。对比结果如表6所示。
表6
Figure BDA0003650851150000102
综合上表废水对比批标结果可知,本实施例工艺中,染色废水的电导率下降了32.9%、色度下降了54%、COD值下降58.5%,减轻了污水处理负担、减少了污染排放,成效显著。
对于本领域的技术人员来说,可以根据以上的技术方案和构思,给出各种相应的改变和变形,而所有的这些改变和变形,都应该包括在本发明权利要求的保护范围之内。

Claims (3)

1.一种涤棉一浴染色工艺,其特征在于,包括如下步骤:
S1、氧漂、酸洗中和、除氧;
S2、染涤染棉:向染色机进35-45℃水,加入法曼风SP运行3-5min,此时加入染料雅格欣CP后继续运行8-10min,按照元明粉的加入总量先加入1/2的元明粉,运行3-5min,以2℃/min的速率升温至60℃后,加入余下的1/2元明粉,继续运行3-5min,其后以2℃/min速率升温至110℃,运行3-5min,以1℃/min速率升温至130℃,运行25-35min,然后以2℃/min的速率降温至78℃,最后取样、排水;
S3、水洗、皂洗、固色、柔软;
S4、出缸。
2.根据权利要求1所述的方法,其特征在于,步骤S1的具体过程为:
向染色机进常温水,然后进布,加入H2O2、NaOH、去油剂,其后升温至85℃,运行20-30min,再降温至78℃,排水后再次进40-50℃的温水,加入中和酸运行8-15min,继续加入除氧剂运行8-15min,最后排水。
3.根据权利要求1所述的方法,其特征在于,步骤S3的具体过程为:向染色机进50-60℃水,运行5-8min,溢流、排水,然后进45-55℃水,加入中和酸、皂洗粉,升温至75-85℃,运行8-15min,取样,继续进水、溢流、排水、进水,运行8-12min,最后排水;进40-50℃水,加入固色剂,运行15-25min,排水,然后进40-50℃水,加入柔软剂,运行15-25min,排水,最后出布。
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