IMECH-IR  > 等离子体与燃烧中心(2009-2011)
Equilibrium modeling for optimum design of operation parameters of MSW plasma gasification
Wang GQ(王贵全); Li YJ(李要建); Xu YX(徐永香); Sheng HZ(盛宏至); Wang GQ(王贵全)
Source PublicationAIR AND WASTE MANAGEMENT ASSOCIATION - INTERNATIONAL CONFERENCE ON THERMAL TREATMENT TECHNOLOGIES AND HAZARDOUS WASTE COMBUSTORS 2011
2011
Pages357-365
Conference NameInternational Conference on Thermal Treatment Technologies and Hazardous Waste Combustors 2011
Conference DateMAY 10-13, 2011
Conference PlaceJacksonville, FL, United states
AbstractPlasma gasification technology has been demonstrated as one of the state of the art and environmentally friendly technologies for the treatment of municipal solid waste (MSW), due to its large volume reduction ratio, high generation efficiency and extremely low emission of secondary pollutants. This work aims to calculate and optimize process parameters for the demo plant of MSW plasma gasification in Beijing which has been made by the Institute of Mechanics, Chinese Academy of Sciences (IMECH, CAS). Duration time of the MSW in the reaction section is beyond 5 seconds, so equilibrium assumption is efficient to simulate gasification processes. Furthermore, a simplified chemical reaction model is develop that can be used to predict concentration distribution of syngas under different operating parameters including gasification temperature, excess air ratio, feeding rate and moisture content. When doing optimum design, two types of constraint conditions are considered, including: 1) fixing ratio of CO to H2 equal to 0.8, 0.9 and 1.0, respectively, corresponding optimum object is plasma torch and heating value of syngas; 2) fixing plasma torch power to 900 kW, corresponding optimum object is compositions and heating value of Syngas. The calculation results show that product distribution is strongly affected by moisture content and gasification temperature (<1,200 K). Although the equilibrium models do not represent the reactions that occur at relatively high temperatures (&asyum;1,273 K) very well, these models can be useful to show some tendencies on the working parameter variations of a gasifier.
KeywordCombustion Combustors Hazardous Materials Heat Treatment Heating Moisture Moisture Determination Municipal Solid Waste Plasma Jets Plasma Torches Plasmas Synthesis Gas Technology Waste Treatment Chinese Academy Of Sciences Concentration Distributions Constraint Conditions Duration Time Environmentally-friendly Technology Equilibrium Modeling Equilibrium Models Excess Air Ratios Feeding Rate Gasification Process Gasification Temperatures Gasifiers Heating Value High Temperature Low Emission Msw Operating Parameters Operation Parameters Optimum Designs Plasma Gasification Process Parameters Product Distributions Simulation State Of The Art Syn-gas Volume Reductions Working Parameters
DepartmentLHD高效洁净燃烧(CPCR)
ISBN9781617829536
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46828
Collection等离子体与燃烧中心(2009-2011)
Corresponding AuthorWang GQ(王贵全)
Recommended Citation
GB/T 7714
Wang GQ,Li YJ,Xu YX,et al. Equilibrium modeling for optimum design of operation parameters of MSW plasma gasification[C]AIR AND WASTE MANAGEMENT ASSOCIATION - INTERNATIONAL CONFERENCE ON THERMAL TREATMENT TECHNOLOGIES AND HAZARDOUS WASTE COMBUSTORS 2011,2011:357-365.
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