燃料驱动无电热泵系统的节能模拟与运行经济性分析

doi:10.16085/j.issn.1000-6613.2022-0854

化工进展 ›› 2023, Vol. 42 ›› Issue (3): 1217-1227.DOI: 10.16085/j.issn.1000-6613.2022-0854

燃料驱动无电热泵系统的节能模拟与运行经济性分析

胡亚飞¹^,²^,³^,⁴(), 冯自平¹^,³^,⁴^,⁵^,⁶(), 田佳垚¹^,²^,³^,⁴, 黄冲¹^,³^,⁴^,⁵, 宋文吉¹^,³^,⁴

^1.中国科学院广州能源研究所，广东广州 510640
^2.中国科学院大学，北京 100049
^3.中国科学院可再生能源重点实验室，广东广州 510640
^4.广东省新能源和可再生能源研究开发与应用重点实验室，广东广州 510640
^5.中科广能能源研究院（重庆）有限公司，重庆 401331
^6.淄博能源研究院，山东淄博 255300

收稿日期:2022-05-09 修回日期:2022-05-31 出版日期:2023-03-15 发布日期:2023-04-10
通讯作者: 冯自平
作者简介:胡亚飞（1989—），男，博士研究生，研究方向为低碳节能技术及先进热泵技术。E-mail：huyafei1208@sina.com。
基金资助:
国家重点研发计划(2021YFE0112500)

Energy saving simulation and operation economic analysis of fuel driven non-electric heat pump systems

HU Yafei¹^,²^,³^,⁴(), FENG Ziping¹^,³^,⁴^,⁵^,⁶(), TIAN Jiayao¹^,²^,³^,⁴, HUANG Chong¹^,³^,⁴^,⁵, SONG Wenji¹^,³^,⁴

^1.Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, Guangdong, China
^2.University of Chinese Academy of Sciences, Beijing 100049, China
^3.CAS Key Laboratory of Renewable Energy, Guangzhou 510640, Guangdong, China
^4.Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, Guangdong, China
^5.ZKG Energy (Chongqing) Research Institute Co. , Ltd. , Chongqing 401331, China
^6.Zibo Energy Research Institute, Zibo 255300, Shandong, China

Received:2022-05-09 Revised:2022-05-31 Online:2023-03-15 Published:2023-04-10
Contact: FENG Ziping

摘要/Abstract

摘要：

创新性提出了一种燃料驱动无电热泵系统（NEHP）的热泵新技术，NEHP使用一套系统解决了夏季供冷、冬季供暖、生活热水及一定量生活用电，是一种可冷热电多联供的分布式能源系统。本文从原理及设计思路上对NEHP新技术进行了具体说明，对NEHP技术应用的节能性进行了模拟计算，并对运行经济性作了全面分析。NEHP技术适宜应用于缺电和无电地区，具有电热泵（EHP）无法比拟的适用性优势，也适用于燃气与电力均较为充裕的地区，具有广阔的应用场景。对于使用燃气的NEHP-G系统，若气电比r_ge小于某一数值，则在供热或供冷方面NEHP-G将比EHP具有更低的运行费用，其中额定制热时该值为4.17，额定制冷回收与不回收余热时该值分别为5.62和3.06。以重庆地区2021年商业气价与电价为例，NEHP-G在制热季可节省费用42.17%~47.49%，在制冷季回收与不回收余热可分别节省费用48.22%与32.26%。

关键词: 无电热泵, 冷热电联供, 一次能源利用率, 热回收, 分布式能源系统

Abstract:

A new heat pump technology for fuel driven non-electric heat pump system (NEHP) was proposed. NEHP uses one system to meet the demand for cooling in summer, heating in winter, providing domestic hot water throughout the whole year, and supplying a certain amount of domestic electricity as necessary. It is a distributed energy system that can combine cooling, heating and power (CCHP). In this paper, a novel technology of NEHP was described in detail based on the principle and design idea. The energy saving performance of the NEHP technology application was simulated and calculated, and the operation economic analysis was comprehensively analyzed. NEHP technology was suitable for use in areas lacking or without electricity, which had the incomparable applicability advantages compared with electric heat pumps (EHP). It can be used in areas where both gas and electricity were abundant as well, and had a wide range of application scenarios. For the NEHP-G system by using natural gas, it will have lower operating costs than that of EHP in the modes of heating or cooling if the ratio of natural gas price to electricity price (r_ge) was less than a fixed value. The fixed values of r_ge were 4.17 at rated heating mode, 5.62 at rated cooling mode with waste heat recovery, and 3.06 at rated cooling mode without waste heat recovery, respectively. Taking the prices of commercial gas and electricity in Chongqing in 2021 as an example, compared with EHP, the operating cost of NEHP-G can save 42.17%—47.49% in the heating season, 48.22% in the cooling season with waste heat recovery, and 32.26% in the cooling season without waste heat recovery, respectively. The cost saving of NEHP-G was significant, and it had huge market application potential.

Key words: non-electric heat pump, combined cooling, heating and power (CCHP), primary energy ratio, heat recovery, distributed energy system

中图分类号:

TE09

胡亚飞, 冯自平, 田佳垚, 黄冲, 宋文吉. 燃料驱动无电热泵系统的节能模拟与运行经济性分析[J]. 化工进展, 2023, 42(3): 1217-1227.

HU Yafei, FENG Ziping, TIAN Jiayao, HUANG Chong, SONG Wenji. Energy saving simulation and operation economic analysis of fuel driven non-electric heat pump systems[J]. Chemical Industry and Engineering Progress, 2023, 42(3): 1217-1227.

图/表 14

图1 一种NEHP使用发动机变转速方案系统

图2 一种NEHP使用发动机定转速方案系统示意图

图3 压焓图上蒸气压缩式制冷循环[4]

图4 EHP系统的制热模式能流图

图5 NEHP-G系统的制热模式能流图

图6 EHP系统的制冷模式能流图

图7 NEHP-G系统的制冷模式能流图

图8 制热模式下NEHP-G与EHP两系统随环境温度变化的能效对比

图9 制冷模式下NEHP-G与EHP两系统随环境温度变化的能效对比

图10 制热模式下NEHP-G与EHP经济性曲线

图11 制冷模式下NEHP-G与EHP经济性曲线

图12 制热模式下NEHP-G相比EHP运行费用节省率曲线

图13 制冷模式下NEHP-G不回收余热时NEHP-G相比EHP的运行费用节省率曲线

图14 制冷模式下NEHP-G回收余热时NEHP-G相比EHP的运行费用节省率曲线

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燃料驱动无电热泵系统的节能模拟与运行经济性分析

Energy saving simulation and operation economic analysis of fuel driven non-electric heat pump systems

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