面向低碳城市供热系统的长距离输热技术研究进展

发电技术

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面向低碳城市供热系统的长距离输热技术研究进展

薄其明^1,3，朱骏杰¹，王丽腾^1,4，林小杰^1*，王家乐²，杨子毓¹，钟崴¹，吴燕玲¹

1．浙江大学能源工程学院，浙江省杭州市 310027；2．浙江大学工程师学院，浙江省杭州市 310015；3．中国华电集团有限公司宁夏公司，宁夏回族自治区银川市 750002;4．浙江大学常州工业技术研究院，江苏省常州市 213001

基金资助:
基金项目：国家重点研发计划资助项目(2023YFE0108600)；国家自然科学基金资助项目(51806190)；浙江省‘尖兵’‘领雁’研发攻关计划(2024C03117)。

Research Progress on Long-Distance Heat Transportation Technology for Low-Carbon Urban Heating Systems

BO Qiming^1,3, ZHU Junjie¹, WANG Liteng^1,4, LIN Xiaojie^1*, WANG Jiale², YANG Ziyu¹, ZHONG Wei¹, WU Yanling¹

1. College of Energy Engineering, Zhejiang University, Zhejiang, Hangzhou, 310027; 2. Polytechnic Institute, Zhejiang University, Zhejiang, Hangzhou, 310015; 3. China Huadian Corporation Ningxia Company, Ningxia Hui Autonomous Region, Yinchuan, 750002；4. Institute of Technology Transfer, Zhejiang University, Jiangsu, Changzhou, 213001

Supported by:
Project Supported by the National Key Research and Development Program of China (2023YFE0108600); National Natural Science Foundation of China (51806190); "Pioneer" and "Leading Goose" Research and Development Program of Zhejiang(2024C03117).

摘要/Abstract

摘要：

【目的】随着集中供热面积的快速增长和对环境保护的需求提高，发展低碳供热系统成为一种迫切需要。长距离输热作为城市集中供热系统的核心组成部分，其监测和优化直接影响整个供热系统的效率和环保目标的实现。【方法】综述了长输热力管线在动态建模、安全监测和运行优化方面的研究进展，总结了目前已有的长距离输热非稳态水力模型及其动态响应过程，分析了融合现代通信和光纤传感技术、故障监测、故障工况处理和水击现象为主要内容的长距离输热安全监测技术，研究了以系统经济运行、长距离输热设计和热网温度控制为主要目标的运行优化技术。介绍了水热联供系统和工业余热利用在长距离输热中的应用。【结论】长距离输热技术上在降低输热成本和提高能源效率方面的发展潜力巨大，其在供热领域的应用对于实现城市供热系统的低碳与可持续发展具有重要意义。

关键词: 长距离输热, 智慧供热, 智慧能源, 动态建模, 安全监测, 运行优化

Abstract: [Objectives]With the rapid growth of centralized heating areas and the increasing demand for environmental protection, the development of low-carbon heating systems has become an urgent need. Long-distance heat transmission, as a core component of urban centralized heating systems, directly affects the efficiency of the entire heating system and the realization of environmental protection goals. [Methods] This paper reviews the research progress of long-distance heat transmission pipelines in dynamic modeling, safety monitoring, and operation optimization. It summarizes the existing non-steady-state hydraulic models of long-distance heat transmission and their dynamic response processes, analyzes the long-distance heat transmission safety monitoring technology that integrates modern communication and fiber-optic sensing technology, fault monitoring, fault condition processing, and water hammer phenomena as the main content, and studies the operation optimization technology that aims at system economic operation, long-distance heat transmission design, and heat supply network temperature control. It also introduces the application of combined heat and water supply systems and industrial waste heat utilization in long-distance heat transmission. [Conclusions] Long-distance heat transmission technology holds significant potential for reducing heat transmission costs and improving energy efficiency. Its application in the heating field is of great importance for achieving low-carbon and sustainable development in urban heating systems.

Key words: long-distance heat transportation, smart heating, smart energy, dynamic modeling, safety monitoring, operation optimization

薄其明, 朱骏杰, 王丽腾, 林小杰, 王家乐, 杨子毓, 钟崴, 吴燕玲. 面向低碳城市供热系统的长距离输热技术研究进展[J]. 发电技术.

BO Qiming, ZHU Junjie, WANG Liteng, LIN Xiaojie, WANG Jiale, YANG Ziyu, ZHONG Wei, WU Yanling. Research Progress on Long-Distance Heat Transportation Technology for Low-Carbon Urban Heating Systems[J]. Power Generation Technology.

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