污水厂沼气直燃型热泵系统配置与工艺流程

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

化工学报 ›› 2012, Vol. 63 ›› Issue (S2): 80-84.DOI: 10.3969/j.issn.0438-1157.2012.z2.015

污水厂沼气直燃型热泵系统配置与工艺流程

吴集迎, 马益民

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

收稿日期:2012-09-21 修回日期:2012-09-28 出版日期:2012-12-28 发布日期:2012-12-28
通讯作者: 吴集迎
作者简介:吴集迎(1964-),男,教授。
基金资助:
福建省自然科学基金项目(2010J01301);福建省教育厅科技项目(JB10094);福建省科技创新平台项目(2009H2006)。

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

WU Jiying, MA Yimin

Cleaning Combustion and Energy Utilization Research Center of Fujian Province, College of Mechanical Engineering, Jimei University, Xiamen 361021, Fujian, China

Received:2012-09-21 Revised:2012-09-28 Online:2012-12-28 Published:2012-12-28
Supported by:
supported by the Natural Science Foundation of Fujian Province(2010J01301) and the Cleaning Combustion and Energy Utilization Research Center of Fujian Province(2009H2006).

摘要/Abstract

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。

关键词: 污水厂, 沼气, 沼气净化, 直燃型热泵, 工艺流程, 节能减排

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.

Key words: sewage treatment plant, biogas, biogas purification, direct-fired heat pump, flow process, energy saving and emission reduction

中图分类号:

TU832.2

吴集迎, 马益民. 污水厂沼气直燃型热泵系统配置与工艺流程[J]. 化工学报, 2012, 63(S2): 80-84.

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, 63(S2): 80-84.

参考文献 7

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污水厂沼气直燃型热泵系统配置与工艺流程

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

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