New technology for thermo-chemical comprehensive utilization of coal

JIN Yong; HU Yongqi; HU Shanying; WANG Yong; ZHAO Ruihong; YU Haipeng; LI Feilong

doi:10.3969/j.issn.0438-1157.2014.02.003

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New technology for thermo-chemical comprehensive utilization of coal

更新时间：2025-12-10

- New technology for thermo-chemical comprehensive utilization of coal
- CIESC Journal Issue 2, Pages: 381-389(2014)
- 作者机构：
  
  1. 清华大学化学工程系,北京,100084
  2. 河北科技大学化学与制药工程学院,河北,石家庄,050018
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.02.003
  CLC： Q523
- Online First：05 February 2014，
  
  Published：05 February 2014
- 稿件说明：
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JIN Yong, HU Yongqi, HU Shanying, et al. New technology for thermo-chemical comprehensive utilization of coal[J]. CIESC Journal, 2014, (2): 381-389.
DOI：

JIN Yong, HU Yongqi, HU Shanying, et al. New technology for thermo-chemical comprehensive utilization of coal[J]. CIESC Journal, 2014, (2): 381-389. DOI： 10.3969/j.issn.0438-1157.2014.02.003.

摘要

提出一种煤炭热力学高效和化学高价值利用新工艺（TCCUC），包括煤炭拔头技术—半焦富氧直燃制备燃气轮机高温工质系统—燃气发电—蒸汽发电系统—CO2捕集技术—干馏拔头产物提质处理技术六个技术模块。该工艺通过煤干馏拔头和焦油加氢等技术，对煤中大分子碳氢化合物进行适当热解和对热解产物焦油加氢处理得到高价值的碳氢液体燃料，实现煤炭的化学高价值利用；通过高温过滤、半焦直燃、燃气轮机与蒸汽轮机相结合等方法，实现对煤炭燃烧过程中高位热能的充分利用，进一步提高热-电联产效率。

Abstract

A new process was proposed in this article

which included coal topping

semi-coke oxygen-rich direct combustion and high temperature gas cleaning

gas turbine power generation

steam turbine power generation

CO2 capture

value-adding treatment of topping gas products. High value chemical utilization of coal was achieved with appropriate pyrolysis of macromolecular hydrocarbons in coal and with hydrogenation of tar to get hydrocarbon liquid fuels. Thermal efficiency was further raised through comprehensive utilization of high level thermal energy with high temperature dust-removal

combination of gas turbine and thermal power generating units.

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