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Research Optimization of Cold End System Running of Large-scale Condensing Power Units

Author: LvHong
Tutor: HanZhongHe
School: North China Electric Power University (Hebei)
Course: Thermal Power Engineering
Keywords: Cold end system
CLC: TK264.11
Type: Master's thesis
Year: 2009
Downloads: 244
Quote: 3
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Abstract


Based on large power station condensing unit cold end system as the research object, the establishment of condenser the variable working condition mathematical model were compared and analyzed, the total heat transfer coefficient of condenser several calculation methods and back pressure changes on the influence of the power unit micro increase; Analyzed the condenser vacuum, and the various factors affecting the are calculated and compared by cooling water inlet temperature, cooling water, condenser steam load of condenser end difference and pressure, this paper analyzes the influence of condenser inside air concentration and dirt to vacuum the effects for search condenser vacuum low reason lay a foundation; Analysis of the condenser, the method to determine the best vacuum, vacuum should be put forward to determine the value of the method, through comparing the micro turbine increase power value and added value of circulating pump power consumption, determine the circulating pump switch optimal cooling water inlet temperature points to realize the cold end system steam turbine unit operation optimization calculation.

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CLC: > Industrial Technology > Energy and Power Engineering > Steam Power Engineering > Steam turbine (steam turbine,steam turbine ) > Structure > Cooling system and its devices > Condenser ( condenser )
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