Organic Rankine cycle combined heat and power system

PEI Gang; WANG Dongyue; LI Jing; LI Yunzhu; JI Jie

doi:10.3969/j.issn.0438-1157.2013.06.013

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Organic Rankine cycle combined heat and power system

更新时间：2025-12-10

- Organic Rankine cycle combined heat and power system
- CIESC Journal Issue 6, Pages: 1993-2000(2013)
- 作者机构：
  
  中国科学技术大学热科学和能源工程系,安徽,合肥,230000
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.06.013
  CLC： K1
- Online First：05 June 2013，
  
  Published：05 June 2013
- 稿件说明：
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PEI Gang, WANG Dongyue, LI Jing, et al. Organic Rankine cycle combined heat and power system[J]. CIESC Journal, 2013, (6): 1993-2000.
DOI：

PEI Gang, WANG Dongyue, LI Jing, et al. Organic Rankine cycle combined heat and power system[J]. CIESC Journal, 2013, (6): 1993-2000. DOI： 10.3969/j.issn.0438-1157.2013.06.013.

摘要

有机朗肯循环低温热力循环性能优越

易于小型化和自动运行

非常适合于分布式热电联供系统。依托已有的ORC-CHP实验平台

对热源温度101℃

膨胀机乏汽余热利用温度21.6～48.7℃时系统的热力性能进行了实验研究。在该温度范围内

ORC-CHP系统的综合能量效率96%～97%

其中热功转换效率4.4%～5.1%

乏汽余热利用效率91%～92%;从可用能角度出发

系统综合可用能效率50.0%～75.3%

其中热功可用能效率24.4%～19.2%

乏汽余热可用能效率25.7%～56.2%。实验表明该系统可以高效利用膨胀机乏汽余热

明显提高了有机朗肯循环的综合利用效率。

Abstract

Organic Rankine cycle (ORC) has excellent low temperature performance

which is very suitable for combined heat and power (CHP) system.An experimental study is carried out to test the performance of an ORC-CHP system

with the temperature of heat source at 100℃ and that of turbine waste heat in the range of 21.6—48.7℃.The overall energy efficiency of ORC-CHP 96%—97%

power efficiency 4.4%—5.1%

and hot water heat gain efficiency 91%—92% are obtained.Overall exergy efficiency is 50.0%—75.3%

with power output exergy efficiency 5.1%—4.4% and hot water gain exergy efficiency 25.7%—56.2%.ORC-CHP system can utilize waste heat efficiently

so that both energy and exergy usage are greatly improved.

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