Simulation of Shell Entrained-flow Pulverized Coal Gasification Progress in Coupling With Sensible Heat Recovery

Yang WU; Daqian WANG; Chuang ZHAO; Haiping YANG; Xianhua WANG; Shihong ZHANG; Hanping CHEN

doi:10.12096/j.2096-4528.pgt.19165

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Simulation of Shell Entrained-flow Pulverized Coal Gasification Progress in Coupling With Sensible Heat Recovery

Power Generation and Enviromental Protection | 更新时间：2025-07-04

- Simulation of Shell Entrained-flow Pulverized Coal Gasification Progress in Coupling With Sensible Heat Recovery
- Power Generation Technology Vol. 42, Issue 2, Pages: 254-260(2021)
- 作者机构：
  
  煤燃烧国家重点实验室(华中科技大学), 湖北省武汉市 430074
- 作者简介：
- 基金信息：
  
  National Key Research and Development Program of China(2017YFB0602701-02)
- DOI：10.12096/j.2096-4528.pgt.19165
  CLC： TK16
- Received：20 March 2020，
  
  Published：30 April 2021
- 稿件说明：
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Yang WU, Daqian WANG, Chuang ZHAO, et al. Simulation of Shell Entrained-flow Pulverized Coal Gasification Progress in Coupling With Sensible Heat Recovery[J]. Power Generation Technology, 2021, 42(2): 254-260.
DOI：

Yang WU, Daqian WANG, Chuang ZHAO, et al. Simulation of Shell Entrained-flow Pulverized Coal Gasification Progress in Coupling With Sensible Heat Recovery[J]. Power Generation Technology, 2021, 42(2): 254-260. DOI： 10.12096/j.2096-4528.pgt.19165.

摘要

为优化Shell气化炉的气化性能，利用Aspen Plus软件建立了Shell气流床粉煤气化过程的平衡模型，包括热解、燃烧、气化、冷煤气激冷与废热锅炉显热回收4个模块，研究了氧煤比和水蒸气煤比对Shell气化炉气化性能的影响。结果表明：随着氧煤比的增加，H

和CH

含量降低，CO

含量先缓慢增加后快速增加，CO含量和冷煤气效率呈现先增加后减小的趋势；随着水蒸气煤比的增加，H

和CO

含量增加，CO和CH

含量下降，冷煤气效率先迅速增加而后缓慢下降；神府煤最佳的氧煤比和水蒸气煤比分别为0.86和0.05。

Abstract

To optimize the gasification performance of Shell gasifier

the balance model of Shell entrained-flow pulverized coal gasification process was established by using Aspen Plus software. Four modules were mainly investigated

including pyrolysis

combustion

gasification

cold gas chilling and sensible heat recovery of waste heat boiler. The impacts of oxygen/coal ratio and steam/coal ratio on the gasification performance of Shell gasifier were investigated. The results show that with the increase of oxygen/coal ratio

the concentration of H

and CH

decreases

the concentration of CO

increases slowly and then increases rapidly. The concentration of CO and cold gas efficiency increase first and then decrease. With the increase of steam/coal ratio

the concentration of H

and CO

increases

the concentration of CO and CH

decreases

the efficiency of cold gas increases rapidly and then decreases slowly. The optimal ratio of oxygen/coal and steam/coal of Shenfu coal is 0.86 and 0.05 respectively.

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references

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