Optimisation of an Integrated System: Combined Heat and Power Plant with CO2 Capture and Solar Thermal Energy

被引:4
作者
Calderon, Agustin Moises Alcaraz [1 ,2 ]
Salgado, Oscar Alfredo Jaramillo [2 ]
Limon, Nicolas Velazquez [3 ]
Perez, Miguel Robles [2 ]
Aguilar, Jorge Ovidio Aguilar [4 ]
Diaz, Maria Ortencia Gonzalez [5 ]
Diaz, Abigail Gonzalez [1 ]
机构
[1] Inst Nacl Electr & Energias Limpias INEEL, Cuernavaca 62490, Morelos, Mexico
[2] Univ Nacl Autonoma Mexico, Inst Energias Renovables, Temixco 62580, Morelos, Mexico
[3] Univ Autonoma Baja Calif, Mexicali 21280, Baja California, Mexico
[4] Univ Autonoma Estado Quintana Roo, Cancun 77039, Quintana Roo, Mexico
[5] Ctr Invest Cient Yucatan AC, CONACYT, Merida 97200, Yucatan, Mexico
关键词
combined heat and power; CO2; capture; solar energy; parabolic-trough collector; POSTCOMBUSTION CARBON CAPTURE; COMBINED-CYCLE; COGENERATION PLANT; ELECTRICITY; MEXICO;
D O I
10.3390/pr11010155
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
This paper aims to evaluate different design configurations of a combined heat and power (CHP) plant with post-combustion CO2 capture. Three cases are involved in this study: case 1 consists of three trains and each train has a configuration of one gas turbine with a heat recovery steam generator (HRSG); case 2 consists of three trains and one steam turbine; and case 3 consists of only two trains. The third case presented the highest CHP efficiency of 72.86% with 511.8 MW net power generation. After selecting the optimum configuration, a parabolic-trough collector (PTC) was incorporated to generate additional saturated steam at 3.5 bar for the capture plant, adding greater flexibility to the CHP because more steam was available. In addition, the efficiency of the cycle increased from 72.86% to 80.18%. Although case 2 presented lower efficiency than case 3, it has a steam turbine which brings the possibility of increasing the amount of electricity instead of steam production. When the PTC was incorporated in case 2, the power generated in the steam turbine increased from 23.22 MW to 52.6 MW, and the net efficiency of the cycle from 65.4% to 68.21%.
引用
收藏
页数:21
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