Water and Energy Efficiency Improvement of Steel Wire Manufacturing by Circuit Modelling and Optimisation

被引：5
|
作者：
Iten, Muriel [1 ]
Oliveira, Miguel [2 ]
Costa, Diogo [3 ]
Michels, Jochen [4 ]
机构：
[1] Inst Soldadura & Qualidade, P-4415491 Grijo, Portugal
[2] Inst Super Tecn, Dept Engn Quim, P-1049001 Lisbon, Portugal
[3] Univ Porto, Dept Engn Mecan, Fac Engn, P-4200465 Porto, Portugal
[4] Dechema Res Inst, D-60486 Frankfurt, Germany
来源：
ENERGIES | 2019年 / 12卷 / 02期
基金：
欧盟地平线“2020”;
关键词：
energy efficiency; industry; water circuits; OpenModelica; optimisation;
D O I：
10.3390/en12020223
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Industrial water circuits (IWC) are frequently neglected as they are auxiliary circuits of industrial processes, leading to a missing awareness of their energy- and water-saving potential. Industrial sectors such as steel, chemicals, paper and food processing are notable in their water-related energy requirements. Improvement of energy efficiency in industrial processes saves resources and reduces manufacturing costs. The paper presents a cooling IWC of a steel wire processing plant in which steel billets are transformed into wire. The circuit was built in object-oriented language in OpenModelica and validated with real plant data. Several improvement measures have been identified and an optimisation methodology has been proposed. A techno-economic analysis has been carried out to estimate the energy savings and payback time for the proposed improvement measures. The suggested measures allow energy savings up to 29% in less than 3 years' payback time and water consumption savings of approximately 7.5%.
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页数：20
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