Design and economic analysis of a flue gas condenser to recover latent heat from exhaust flue gas

被引：83

作者：

Terhan, Meryem ^{[1
]}

Comakli, Kemal ^{[2
]}

机构：

[1] Kafkas Univ, Fac Engn & Architecture, Dept Mech Engn, TR-36100 Kars, Turkey

[2] Ataturk Univ, Fac Engn, Dept Mech Engn, TR-25240 Erzurum, Turkey

来源：

APPLIED THERMAL ENGINEERING | 2016年 / 100卷

关键词：

Recovery of latent heat loss from flue gas; Flue gas condenser; Economical analysis; TUBE;

D O I：

10.1016/j.applthermaleng.2015.12.122

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, we examined the event of condensing water vapour in flue gas in order to recoverthe latent heat that is carried by exhaust flue gas in 60 MW natural-gas fired district heating system of a university. With this, we aimed to design theoretically a waste heat recovery unit and conduct an economic analysis of it. For this study, actual operation data of the system were taken. In the design calculations of flue gas condenser, we used one-dimensional Finite-difference Method and made a computer programme. According to calculation results, exhaust flue gas temperature can be decreased to 40 degrees C with a flue gas condenser that has 80 m(2) surface area and is made of 316 quality stainless steel horizontal plain tube bundles. Annual fuel saving was calculated as $ 407,396.16 with Annual Equivalent Analysis Method. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1007 / 1015

页数：9

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