Integration of evaporative dryers into lignite-fired power plants: A review

被引：13

作者：

Liu, Ming ^{[1
]}

Xu, Can ^{[1
]}

Han, Xiaoqu ^{[1
]}

Liu, Rongtang ^{[1
]}

Qin, Yuanzhi ^{[1
]}

Yan, Junjie ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China

来源：

DRYING TECHNOLOGY | 2020年 / 38卷 / 15期

基金：

中国国家自然科学基金;

关键词：

Lignite; evaporative; drying; power plant; review; WASTE HEAT-RECOVERY; LIFE-CYCLE ASSESSMENT; LOCAL DISTRICT HEAT; PILOT ROTARY DRYER; FLUE-GAS; THERMODYNAMIC ANALYSIS; STEAM DRYER; IMPROVED CONFIGURATION; DRYING TECHNOLOGIES; ENERGY ANALYSIS;

D O I：

10.1080/07373937.2019.1606824

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Lignite is abundant and cost-effective fossil fuel for power plants. However, power plants firing lignite directly have low efficiency, which can be improved by pre-drying lignite. Various dryers have been developed to dry lignite, and evaporative drying technologies are commonly applied. Nevertheless, the evaporative drying is an energy intensive process. When evaporative dryers are integrated within power plants, the waste heat of power plants can be used to dry lignite, thereby increasing the efficiency of power plants. Many studies on the design and optimization of lignite-fired power plants integrated with evaporative dryers have been carried out. However, a review paper on this topic is unavailable. Therefore, this paper presents a literature review on the integration of evaporative dryers into lignite-fired power plants. System configurations of pre-dried lignite-fired power plants are reviewed and compared, and future research directions are proposed.

引用

页码：1996 / 2014

页数：19

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