Analysis of thermodynamic losses of heat transfer process in large-scale LT-MED desalination plant

SHEN Shengqiang; ZHOU Shihe; MU Xingsen; GUO Yali

doi:10.3969/j.issn.0438-1157.2014.09.008

您当前的位置：

首页 >

文章列表页 >

Analysis of thermodynamic losses of heat transfer process in large-scale LT-MED desalination plant

更新时间：2025-12-10

- Analysis of thermodynamic losses of heat transfer process in large-scale LT-MED desalination plant
- CIESC Journal Issue 9, Pages: 3366-3374(2014)
- 作者机构：
  
  大连理工大学能源与动力学院, 辽宁省海水淡化重点实验室,辽宁,大连,116024
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.09.008
  CLC： K124
- Online First：05 September 2014，
  
  Published：05 September 2014
- 稿件说明：
移动端阅览
SHEN Shengqiang, ZHOU Shihe, MU Xingsen, et al. Analysis of thermodynamic losses of heat transfer process in large-scale LT-MED desalination plant[J]. CIESC Journal, 2014, (9): 3366-3374.
DOI：

SHEN Shengqiang, ZHOU Shihe, MU Xingsen, et al. Analysis of thermodynamic losses of heat transfer process in large-scale LT-MED desalination plant[J]. CIESC Journal, 2014, (9): 3366-3374. DOI： 10.3969/j.issn.0438-1157.2014.09.008.

摘要

基于低温多效蒸发海水淡化装置的各种阻力和海水沸点升高（BPE）关联式，计算了海水淡化装置中流动阻力、海水沸点升高等造成的传热过程热力损失，分析了各项热力损失在各效蒸发/冷凝器中的分布、随蒸发/冷凝器数量的变化规律等。结果表明：产水量、浓缩比和加热蒸汽温度等参数均保持不变的前提下，总的热力损失随着装置的蒸发/冷凝器数量而增加；BPE引起的热力损失占最大比例，但流动阻力引起的热力损失不可忽略。通过对海水淡化装置热力损失的分析，提出了低温多效蒸发海水淡化装置“小温差、低流阻、饱和态、高敏感”的工作特征理论。

Abstract

Based on correlations of flow resistance and sea water boiling point elevation (BPE) applicable to the low-temperature multiple effect distillation (LT-MED) desalination plant

the thermodynamic losses in a large-scale LT-MED desalination plant were calculated and analyzed

including the distribution and proportion of various thermodynamic losses caused by BPE and flow resistances. The effect of the number of evaporator/condenser on thermodynamic losses was studied. The result indicates that

for a large-scale LT-MED desalination plant with constant production capacity

the total thermodynamic losses increases with the number of effects. The thermodynamic loss caused by BPE constitutes the highest proportion while that by the flow resistances can not be ignored. According to the analysis on the loss

the operating characteristics of LT-MED desalination system are summarized as small temperature difference

low pressure drop

saturation states and high sensitivity.

关键词

Keywords

references

Views

388

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Study on two-stage stacked humidification-dehumidification desalination device

Parametric optimization of organic Rankine cycle for vehicle diesel enginebased on particle swarm optimization

Nucleate boiling heat transfer of hydroxylated carbon nano-tubes/R141b nanofluids on smooth plate

Charging characteristics of marine steam accumulator under different operating conditions

Multi objective optimization of flow and heat transfer characteristics of modified manifold microchannel heat sink based on machine learning

Related Author

YANG Jinrui

ZHENG Hongfei

MA Xinglong

JIN Rihui

LIANG Shen

ZHANG Hongguang

WANG Hongjin

YANG Kai

Related Institution

School of Mechanical Engineering, Beijing Institute of Technology

College of Environmental and Energy Engineering, Beijing University of Technology

Collaborative Innovation Center of Electric Vehicles in Beijing

School of Chemistry and Chemical Engineering, Inner Mongolia University of Science and Technology

College of Power and Energy Engineering, Harbin Engineering University

⁰