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Air Blown Partial Gasification of Coal in a Pilot Plant Pressurized Spout-fluid Bed Reactor by Rui Xiao; Mingyao Zhang; Baosheng Jin; Yuanquan Xiaong; Hongcang Zhou; Yufeng Duan; Zhaoping Zhong; Xiaoping Chen; Laihong Shen; Yaji Huang is a Engineering article available to read on EtoBox.
What is Air Blown Partial Gasification of Coal in a Pilot Plant Pressurized Spout-fluid Bed Reactor about?
The advanced high efficiency cycles are all based on gas turbine technology, so coal gasification is the heart of the process. A 2 MW th spout-fluid bed gasifier has been constructed to study the partial gasification performance of a high ash Chinese coal. This paper presents the results of pilot plant partial gasification tests carried out at 0.5 MPa pressure and temperatures within the range of 950-980 °C in order to assess the technical feasibility of the raw gas and residual char generated from the gasifiier for use in the gas turbine based power plant. The results indicate that the gasification process at a higher temperature is better as far as carbon conversion, gas yield and cold gas efficiency are concerned. Increasing steam to coal ratio from 0.32 to 0.45 favors the water-gas and water-gas shift reactions that causes hydrogen content in the raw gas to rise. Coal gasification at a higher bed height shows advantages in gas quality, carbon conversion, gas yield and cold gas efficiency. The gas heating value data obtained from the deep-bed-height displays only 6-12% lower than the calculated value on the basis of Gibbs free energy minimization. The char residue shows high com
Who reads Air Blown Partial Gasification of Coal in a Pilot Plant Pressurized Spout-fluid Bed Reactor?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Rui Xiao; Mingyao Zhang; Baosheng Jin; Yuanquan Xiaong; Hongcang Zhou; Yufeng Duan; Zhaoping Zhong; Xiaoping Chen; Laihong Shen; Yaji Huang
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0016-2361)
- Published
- 2007
- Language
- EN
- Field
- Engineering (Physical Sciences)