Sensitivity analysis of a methanol and power polygeneration system fueled with coke oven gas and coal gas
Sensitivity analysis of a methanol and power polygeneration system fueled with coke oven gas and coal gas
Guoqiang ZHANG1,2, Lin GAO1, Hongguang JIN1(), Rumou LIN1, Sheng LI1,2
1. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China; 2. Graduate School, Chinese Academy of Sciences, Beijing 100190, China
The sensitivity analysis of a polygeneration energy system fueled with duo fuel of coke oven gas and coal gas is performed in the study, and the focus is put on the relations among syngas composition, conversation rate and performance. The impacts of the system configuration together with the fuel composition on the performance are investigated and discussed from the point of cascading utilization of fuel chemical energy. First, the main parameters affecting the performance are derived along with the analysis of the system configuration and the syngas composition. After the performance is being simulated by means of the Aspen Plus process simulator of version 11.1, the variation of the performance due to the composition of syngas and the conversion rate of chemical subsystem is obtained and discussed. It is obtained from the result that the proper conversion rate of the chemical subsystem according to the specific syngas composition results in better performance. And the syngas composition affects the optimal conversion rate of the chemical subsystem, the optimal point of which is around the stoichiometric composition for methanol production (CO/H2 = 0.5). In all, the polygeneration system fueled with coke oven gas and coal gas, which can realize the reasonable conversion of syngas to power and chemical product according to the syngas composition, is a promising method for coal energy conversion and utilization.
Corresponding Author(s):
JIN Hongguang,Email:hgjin@mail.etp.ac.cn
引用本文:
. Sensitivity analysis of a methanol and power polygeneration system fueled with coke oven gas and coal gas[J]. Frontiers of Chemical Engineering in China, 2010, 4(4): 491-497.
Guoqiang ZHANG, Lin GAO, Hongguang JIN, Rumou LIN, Sheng LI. Sensitivity analysis of a methanol and power polygeneration system fueled with coke oven gas and coal gas. Front Chem Eng Chin, 2010, 4(4): 491-497.
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pinch temperature difference /°C
30
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