Model and Design of Cogeneration System for Different Demands of Desalination Water, Heat and Power Production

In order to improve the energy efficiency, reduce the CO2 emission and decrease the cost, a cogenera- tion system for desalination water, heat and power production was studied in this paper. The superstructure of the cogeneration system consisted of a coal-based thermal power plant （TPP）, a multi-st...

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Published inChinese journal of chemical engineering Vol. 22; no. 3; pp. 330 - 338
Main Author 吴现力 胡仰栋 伍联营 李红
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.03.2014
Subjects
Cogeneration
cogeneration system
Cost engineering
Desalination
Design engineering
Economics
Modules
multi-stage flash desalination
non-linear programming
optimal design
Optimization
reverse osmosis desalination
thermal power plant
Thermoelectricity
二氧化碳排放
流程模型
热电联产系统
热电联供系统
电力生产
维护费用
脱盐水
设计方法
optimal design
multi-stage flash desalination
reverse osmosis desalination
thermal power plant
cogeneration system
non-linear programming
Online AccessGet full text
ISSN1004-9541
2210-321X
DOI10.1016/S1004-9541(14)60036-7

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Summary:In order to improve the energy efficiency, reduce the CO2 emission and decrease the cost, a cogenera- tion system for desalination water, heat and power production was studied in this paper. The superstructure of the cogeneration system consisted of a coal-based thermal power plant （TPP）, a multi-stage flash desalination （MSF） module and reverse osmosis desalination （RO） module. For different demands of water, heat and power production, the corresponding optimal production structure was different. After reasonable simplification, the process model ot each unit was built. The economical model, including the unit investment, and operation and maintenance cost, was presented. By solving this non-linear programming （NLP） model, whose objective is to minimize the annual cost, an optimal cogeneration system can be obtained. Compared to separate production systems, the optimal system can reduce 16.1%-21.7% of the total annual cost. showing this design method was effective.
Bibliography:In order to improve the energy efficiency, reduce the CO2 emission and decrease the cost, a cogenera- tion system for desalination water, heat and power production was studied in this paper. The superstructure of the cogeneration system consisted of a coal-based thermal power plant （TPP）, a multi-stage flash desalination （MSF） module and reverse osmosis desalination （RO） module. For different demands of water, heat and power production, the corresponding optimal production structure was different. After reasonable simplification, the process model ot each unit was built. The economical model, including the unit investment, and operation and maintenance cost, was presented. By solving this non-linear programming （NLP） model, whose objective is to minimize the annual cost, an optimal cogeneration system can be obtained. Compared to separate production systems, the optimal system can reduce 16.1%-21.7% of the total annual cost. showing this design method was effective.
WU Xianli , HU Yangdong, WU Lianying and LI Hong College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
11-3270/TQ
cogeneration system, thermal power plant, multi-stage flash desalination, reverse osmosis desalination,non-linear programming, optimal design
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SourceType-Scholarly Journals-1
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content type line 23
ISSN:1004-9541
2210-321X
DOI:10.1016/S1004-9541(14)60036-7