冷冻浓缩污水处理的能耗分析

doi:10.3969/j.issn.0438-1157.2012.z2.037

化工学报 ›› 2012, Vol. 63 ›› Issue (S2): 199-203.DOI: 10.3969/j.issn.0438-1157.2012.z2.037

冷冻浓缩污水处理的能耗分析

文玲, 张旭, 周翔

同济大学暖通空调及燃气研究所, 上海 200092

收稿日期:2012-09-18 修回日期:2012-09-20 出版日期:2012-12-28 发布日期:2012-12-28
通讯作者: 张旭
作者简介:文玲(1989-),女,硕士研究生。
基金资助:
"十二五"国家重大科技支撑计划项目(2011BAJ08B09);上海科委项目(08DZ1203904);污染控制与资源化研究国家重点实验室开放课题(PCRRF09010)。

Analysis on energy consumption of freezing concentration in wastewater treatment

WEN Ling, ZHANG Xu, ZHOU Xiang

HVAC&Gas Research Institute, Tongji University, Shanghai 200092, China

Received:2012-09-18 Revised:2012-09-20 Online:2012-12-28 Published:2012-12-28
Supported by:
supported by the Five-year National Major Scientific and Technological Support Plan(2011BAJ08B09),the Shanghai Science and Technology Commission Project(08DZ 1203904)and the Pollution Control and Resource Research of National Key Laboratory Open Project(PCRRF09010)。

摘要/Abstract

摘要： 冷冻浓缩作为一种环保和节能的污水处理方式,一方面可缓解缺水地区对水资源的需求,另一方面能耗低可节省大量能量。冷冻浓缩污水处理法是一种兼具节能和环保的污水处理方式。应用冷冻浓缩方法与真空蒸发污水处理方法,研究污水处理过程的运行能耗情况,通过理论计算冷冻浓缩法和真空蒸发法在污水处理过程中的能耗并分析其节能潜力。在本文的设计条件下,理论计算结果表明仅考虑污水处理能耗时,冷冻浓缩法比蒸发法节能30.35%;当采取预冷后,冷冻浓缩法比蒸发法节能45.7%;当结合预冷和冰蓄冷后,冷冻浓缩法处理污水比蒸发法节能62.5%。

关键词: 冷冻浓缩, 真空蒸发, 能耗

Abstract: As an energy saving and environment protecting wastewater treatment method,freezing concentration is a new way not only to solve the problems of water pollution but save energy and ease the water demand in water scarce areas.Compared with evaporating wastewater treatment,freezing concentration has a huge energy-saving potential.Through theoretical analysis and calculation under the design conditions,it is obvious that the freezing concentration method use 30.35% less energy than evaporating in wastewater treatment.It consumes about 45.7% less energy while using pre-cooling method in freezing concentration.Moreover,it consumes about 62.5% less energy while combining freezing concentration with pre-cooling method and ice thermal storage technology.

Key words: freeze concentration, vacuum evaporation, energy consumption

中图分类号:

X788

文玲, 张旭, 周翔. 冷冻浓缩污水处理的能耗分析[J]. 化工学报, 2012, 63(S2): 199-203.

WEN Ling, ZHANG Xu, ZHOU Xiang. Analysis on energy consumption of freezing concentration in wastewater treatment[J]. CIESC Journal, 2012, 63(S2): 199-203.

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冷冻浓缩污水处理的能耗分析

Analysis on energy consumption of freezing concentration in wastewater treatment

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