Analysis of Waste Heat Recovery Methods and Calculation of Their Energy Savings
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摘要: 對3種余熱利用途徑(工藝方式、能量方式和綜合方式)進行了研究,導出了節能量的計算公式。對常見的余熱回收方法——利用換熱器預熱空氣進行了詳細的分析,討論了換熱器型式及大小對爐子燃料利用率和節能率的影響,提出了換熱器優化設計和選擇的方法。Abstract: Three methods of waste heat recovery, including technological, energetical and comprehensive method, are studied. The formulae of energy savings of these methods are derived. The practical waste heat recovery method, preheating combustion air by the heat exchanger is also analysed and the effects of type and size of the heat exchanger on fuel utilization coefficient and energy savings of furnace are discussed. The optimum method of designing and selecting heat exchanger is proposed.
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Key words:
- industrial furnace /
- waste heat vecovery /
- energy saving /
- heat exchanger /
- optimum
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