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Utilisation of waste heat from exhaust gases of drying process 被引量:1
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作者 Olga P. Arsenyeva Lidija Cucek +4 位作者 Leonid L. Tovazhnyanskyy Petro O. Kapustenko Yana A. Savchenko Sergey K. Kusakov Oleksandr I. Matsegora 《Frontiers of Chemical Science and Engineering》 SCIE EI CAS CSCD 2016年第1期131-138,共8页
Nowadays a lot of low-grade heat is wasted from the industry through the off- and flue-gasses with different compositions. These gases provide the sensitive heat with utilisation potential and latent heat with the com... Nowadays a lot of low-grade heat is wasted from the industry through the off- and flue-gasses with different compositions. These gases provide the sensitive heat with utilisation potential and latent heat with the components for condensation. In this paper, process integration methodology has been applied to the partly condensed streams. A hot composite curve that represents the gas mixture cooling according to equation of state for real gases was drawn to account the gas-liquid equilibrium. According to the pinch analysis methodology, the pinch point was specified and optimal minimal temperature difference was determined. The location of the point where gas and liquid phases can be split for better recuperation of heat energy within heat exchangers is estimated using the developed methodology. The industrial case study of tobacco drying process off-gasses is analysed for heat recovery. The mathematical model was developed by using MathCad software to minimise the total annualised cost using compact plate heat exchangers for waste heat utilisation. The obtained payback period for the required investments is less than six months. The presented method was validated by comparison with industrial test data. 展开更多
关键词 exhaust gas waste heat process integration plate heat exchanger
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Accounting for local features of fouling formation on PHE heat transfer surface
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作者 Petro Kapustenko Jiri J.Klemes +2 位作者 Olga Arsenyeva Olexandr Matsegora Oleksandr Vasilenko 《Frontiers of Chemical Science and Engineering》 SCIE EI CAS CSCD 2018年第4期619-629,共11页
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