Sürekli Tavlama Hatları Isıtma Optimizasyonu İle Enerji Tasarrufu Sağlanması

Öz

Demir ve Çelik Sanayi enerji tüketimi ülkemizde nihai enerji tüketimlerinde en yüksek paya sahiptir. Küreselleşen dünyada rekabet koşullarının ve çevre koşullarına uyum şartlarının gün geçtikçe daha da ağırlaşması enerjinin etkin kullanımını ön plana çıkarmaktadır. Gelişen sanayiler enerjiyi etkin takip ederek ve enerji tüketimini verimli kullanarak ayakta kalabileceklerdir. Enerji kaynaklarını üretimde etkin ve verimli kullanmayan işletmelerin başarısızlığa uğraması kaçınılmazdır. Bu tezin konusu olan sürekli tavlama hatlarındaki enerji tasarrufu önemli bir konudur ve birçok parametreye bağlıdır. Tavlama otomasyon sisteminde şerit sıcaklığının ölçülmesi sürekli tavlama hat kontrolünde oldukça önemlidir. Belirli ısıtma kapasitesine sahip ısıtıcıların değerlerinin arttırılıp azaltılması ile fırın içi sıcaklarının dolayısıyla şerit sıcaklıklarının kontrolü sağlanır. Her bir şerit tavlama sıcaklığı şerit kalitesine bağlı olarak farklıdır. Ayrıca fırın sıcaklık değeri şerit boyutlarına ve hat hızına da bağlı olarak değişir. Hat hızını arttırmak için en uygun kalite sırasında üretimi gerçekleştirmek gerekir. Üretim seviyesinin arttırılması ve sıcaklık değişimlerinin en uygun olduğu sırada ürünlerin üretilmesi enerji tasarrufu oluşturmaktadır; bu da maliyetlerin azalmasına neden olur. Yukarıdaki parametrelerin modellendiği bulanık mantık hedef programlama fonksiyonları ile en uygun üretim sıralamasının bulunması araştırılmıştır.

Energy Saving In Continuous Annealing Line Using Heating Optimization

Abstract

Energy consumption of Iron and Steel Industry sector in Turkey has the highest share in final energy consumption. In the globalized world, day by day, worsening of the conditions of competition and negative environmental pressures, more efficient energy usage is come to the forefront. Growing industries can survive by providing efficient energy consumption and effective energy follow-up. The failure of businesses is become inevitable with ineffective and inefficient usage of energy resources used in the production. Energy savings in the continuous annealing line which is the subject of this article is an important issue and it is based on many parameters. Measuring strip's temperature is so important to continuous annealing line control in the annealing automation system. Increasing or decreasing the oven temperature provides the process control with the adjustment of the heater which is specific heating capacity in these furnaces. Each strip annealing temperature is different which depends on the strip quality. Also strip thickness, strip width and the line speed are the other factors of the oven temperature conditions. It needs to realize the production of an optimal quality ranking to increase the line speed. This improves the production level and because of the oven temperature changes in the order that causes the reduction of costs due to energy savings, optimized production is achieved. Finding the most suitable production sequence is modeled by fuzzy goal programming functions used the above parameters were investigated

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