Configuration and flow process study of direct-fired heat pump system driven by biogas from sewage treatment plant

WU Jiying; MA Yimin

doi:10.3969/j.issn.0438-1157.2012.z2.015

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Configuration and flow process study of direct-fired heat pump system driven by biogas from sewage treatment plant

更新时间：2025-12-10

- Configuration and flow process study of direct-fired heat pump system driven by biogas from sewage treatment plant
- CIESC Journal Issue S2, Pages: 80-84(2012)
- 作者机构：
  
  福建省清洁燃烧与能源高效利用工程技术研究中心, 集美大学机械工程学院,福建,厦门,361021
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.z2.015
  CLC： U832.2
- Online First：28 December 2012，
  
  Published：28 December 2012
- 稿件说明：
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WU Jiying, MA Yimin. Configuration and flow process study of direct-fired heat pump system driven by biogas from sewage treatment plant[J]. CIESC Journal, 2012, (S2): 80-84.
DOI：

WU Jiying, MA Yimin. Configuration and flow process study of direct-fired heat pump system driven by biogas from sewage treatment plant[J]. CIESC Journal, 2012, (S2): 80-84. DOI： 10.3969/j.issn.0438-1157.2012.z2.015.

摘要

为了回收利用污水厂处理污泥过程中产生的沼气

研究了利用污水厂沼气能源的方案、工艺流程

构建出基于污水厂沼气的直燃型热泵供热系统

并进行了系统配置与经济性分析。结果表明:与燃煤锅炉、燃气锅炉以及电动热泵相比

以污水厂沼气为燃料

输入功率为600 kW的直燃型热泵系统

按年供热运行300天计

可分别节约标准煤510 t、天然气3.25×105 m3、用电量7.72×105 kW·h

投资回收期最长不超过2.6年。因此

该供热系统具有经济性高和节能减排的特点

经济效益和环保效益显著。

Abstract

To reclaim and utilize biogas produced during sludge treatment process in sewage treatment plants

the schemes and flow processes for utilizing the biogas were studied.A direct-fired heat pump heating system based on biogas from sewage treatment plant was structured

and the configuration and economic analysis of the system were also made.Results indicated that compared with coal-fired boiler

gas-fired boiler and electricity driven heat pump

a biogas direct-fired heat pump system of 600 kW input power

which was assumed to operate in heating mode for 300 days annually

could save 510 t of standard coal or 3.25?105 m3 of natural gas or 7.72?105 kW穐 of electricity.The initial cost of the system could be paid back in no more than 2.6 years.Therefore

this heating system was featured by good economic

energy saving and emission reduction properties

and the economic and environmental interests produced by the system should be significant.

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