System configuration and experimental study on LFG based biogas engine driven heat pump

doi:10.3969/j.issn.0438-1157.2014.z2.031

CIESC Journal ›› 2014, Vol. 65 ›› Issue (z2): 208-214.DOI: 10.3969/j.issn.0438-1157.2014.z2.031

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System configuration and experimental study on LFG based biogas engine driven heat pump

WU Jiying^1,2, MA Yimin^1,2

1. College of Mechanical and Energy Engineering, Jimei University, Xiamen 361021, Fujian, China;
2. Fujian Province Key Laboratory of Energy Cleaning Utilization and Development, Xiamen 361021, Fujian, China

Received:2014-08-22 Revised:2014-08-28 Online:2014-12-30 Published:2014-12-30
Supported by:
supported by the Natural Science Foundation of Fujian Province(2010J01301).

基于LFG的沼气机热泵系统配置与实验研究

吴集迎^1,2, 马益民^1,2

1. 集美大学机械与能源工程学院, 福建厦门 361021;
2. 福建省能源清洁利用与开发重点实验室, 福建厦门 361021

通讯作者: 吴集迎
基金资助:
福建省自然科学基金项目(2010J01301)。

Abstract

Abstract:

The system equipment configuration of a landfill gas (LFG) fueled biogas engine driven heat pump energy-saving system was studied, and the LFG collecting and purifying flow process was analyzed. By constructing an experimental plant, the performance of the system was tested. The results of experiments indicated that when the biogas engine operated at 70%—90% of its rated speed, the energy efficiency of the system would reach its maximum. That is because the waste heat recovery rate of exhaust fume was relatively higher, although the heat supplied by the system was not the maximum. Compared with other heating systems, biogas engine driven heat pump system can significantly reduce the consumption of fossil fuels and improve heating capability. Therefore, the heating system developed can lower energy consumption and utilize renewable energy sources comprehensively.

Key words: LFG, biogas engine driven heat pump, performance test, fume waste heat recovery, energy conservation

摘要：

探讨了以垃圾填埋气(LFG)为燃料的沼气机热泵节能系统的设备配置,分析了LFG的收集及净化流程。通过搭建实验装置,进行了系统性能测试。实验结果表明:当沼气机在额定转速的70%~90%区间运行时,虽然系统总供热量不是最大,但排烟余热回收率相对较高,系统能源利用率最高。与其他供热系统相比,沼气机热泵可明显减少化石燃料的消耗,显著提高供热能力,是一种可再生能源综合利用的节能方式。

关键词: LFG, 沼气机热泵, 性能实验, 排烟余热回收, 节能

CLC Number:

TU832.2

WU Jiying, MA Yimin. System configuration and experimental study on LFG based biogas engine driven heat pump[J]. CIESC Journal, 2014, 65(z2): 208-214.

吴集迎, 马益民. 基于LFG的沼气机热泵系统配置与实验研究[J]. 化工学报, 2014, 65(z2): 208-214.

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System configuration and experimental study on LFG based biogas engine driven heat pump

基于LFG的沼气机热泵系统配置与实验研究

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