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Improving energy efficiency using the most appropriate techniques in an integrated woolen textile facility
Journal of Cleaner Production ( IF 9.7 ) Pub Date : 2020-01-16 , DOI: 10.1016/j.jclepro.2020.120145
Emrah Ozturk , Nazlı Caglar Cinperi , Mehmet Kitis

The textile industry has a high share in the total energy consumption of the manufacturing industry, especially in global textile supplier countries. Energy consumption and air emissions can be reduced at the source with detailed cleaner production and energy efficiency applications in textile production processes. In this study, energy efficiency studies were carried out in an integrated woolen textile facility. In this context, energy consumptions were analyzed based on the main production and other preparatory processes by detailed onsite investigations. Specific electricity, thermal energy, and air emissions were calculated based on the production processes of the facility. In addition, specific energy consumption values were compared with similar textile facilities to evaluate energy saving potentials and opportunities. A list consisting of 85 energy efficiency techniques was prepared to reduce energy consumption and air emissions in the facility. These techniques were evaluated and prioritized in terms of techno-economic feasibility, potential savings, and environmental benefits using a systematic decision-making model. Ultimately, it was decided to apply the following priority energy efficiency techniques (a total of 13): process optimization, the establishment of a process-based energy monitoring and control system, the recovery of waste heat, the optimization of steam boilers, the modification of radio frequency (RF) dryers, the modification of fan motors in the ventilation-humidification system, the proper positioning of compressors, the installation of a compressor monitoring system, and an air emission treatment system. It was found that with the application of such techniques, electricity, thermal energy, and air emissions could be reduced by 8–27%, 12–28%, and 23–45%, respectively. Based on the financial analysis, the payback periods of the priority energy efficiency techniques were found to be generally less than 36 months.



中文翻译:

在集成的羊毛纺织厂中使用最合适的技术提高能源效率

纺织工业在制造业的总能耗中占有很高的份额,尤其是在全球纺织品供应国中。通过在纺织品生产过程中进行详细的清洁生产和节能应用,可以从源头上减少能耗和空气排放。在这项研究中,能源效率研究是在一个综合的羊毛纺织设施中进行的。在这种情况下,通过详细的现场调查,根据主要生产和其他准备过程对能耗进行了分析。根据设施的生产过程计算出比电,热能和空气排放量。此外,将特定的能耗值与类似的纺织厂进行了比较,以评估节能潜力和机遇。准备了由85种节能技术组成的清单,以减少设施中的能耗和空气排放。使用系统的决策模型,对这些技术进行了评估,并根据技术经济可行性,潜在节省和环境效益确定了优先级。最终,决定采用以下优先级的能源效率技术(共13项):过程优化,建立基于过程的能量监控系统,废热回收,蒸汽锅炉的优化,改造射频(RF)干燥机,通风加湿系统中风扇电机的改造,压缩机的正确定位,压缩机监控系统的安装以及空气排放处理系统。研究发现,通过使用这些技术,电力,热能和空气排放量可以分别减少8–27%,12–28%和23–45%。根据财务分析,发现优先节能技术的投资回收期通常少于36个月。

更新日期:2020-01-17
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