Review of geothermal power generation technologies and key influencing factors

LI Jian; WU Jiangyuan; YANG Zhen; DUAN Yuanyuan; YU Zitao

doi:10.19666/j.rlfd.202112235

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Review of geothermal power generation technologies and key influencing factors

Thermal Power Generation Vol. 51, Issue 3, Pages: 1-8(2022)

更新时间：2025-09-28

- Review of geothermal power generation technologies and key influencing factors
- 作者机构：
  
  1. 清华大学能源与动力工程系
  2. 浙江大学能源清洁利用国家重点实验室
  3. 浙江大学热工与动力系统研究所
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202112235
  CLC： TM616
- Published：2022
- 稿件说明：
移动端阅览
LI Jian, WU Jiangyuan, YANG Zhen, et al. Review of geothermal power generation technologies and key influencing factors[J]. Thermal Power Generation, 2022, 51(3): 1-8.
DOI：

LI Jian, WU Jiangyuan, YANG Zhen, et al. Review of geothermal power generation technologies and key influencing factors[J]. Thermal Power Generation, 2022, 51(3): 1-8. DOI： 10.19666/j.rlfd.202112235.

摘要

为促进中国地热发电的大规模发展，收集、整理了我国的地热资源数据，总结了我国地热资源的特点和地热发电的相关政策及发展现状，综述了水蒸气朗肯循环、闪蒸循环、有机朗肯循环、卡林那循环和全流发电系统五种典型的地热发电技术，探究并总结了影响地热发电利用的关键因素。我国的地热资源是以150℃以下的中低温地热为主，有机朗肯循环和卡林那循环在地热发电领域有更大的发展空间；地热的温度越高、流量越大、干度越高、水质条件越好，当地的环境气温越低、成井率越高，地热发电的开发潜力越大；丰沛的水资源及高的上网电价和投资补贴也有利于地热发电行业的发展壮大。

Abstract

To promote the large-scale development of geothermal power generation in China

the data of geothermal resources in China is collected and arranged in this paper. The characteristics of geothermal resources

relevant policies and development status of geothermal power generation in China are summarized. Five typical geothermal power generation technologies are reviewed

which are steam Rankine cycle

flash cycle

organic Rankine cycle

Kalina cycle and full-flow power system. Key factors affecting the development of geothermal power generation are discussed and summarized. The geothermal resources in China are mainly medium-to-low temperature geothermal energy(below 150 ℃)

and the organic Rankine cycle and Kalina cycle have greater development space in the field of geothermal power generation. Higher geothermal temperature

larger flow rate

higher geothermal fluid dryness and better water quality conditions will result in lower local ambient temperature

higher well completion rate and greater development potential of geothermal power generation. Abundant water resources and high on-grid price and investment subsidies are also conducive to the growth of geothermal power generation industry.

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