Workflow
超临界二氧化碳发电技术
icon
Search documents
面对面丨二氧化碳“烧”出高效电 中国团队攻克世界级难题
0:00 / 21:02 这里是位于贵州六盘水的首钢水城钢铁厂2×15兆瓦烧结余热发电机组,从外表看,与其他烧结余热发电机组并无太大差别,实际上却有天壤之别,它 首次采用超临界二氧化碳作为热力循环介质实现高效发电,是全球首台商用超临界二氧化碳发电机组,被命名为"超碳一号"示范工程。 黄彦平:我们是国际上唯一能把机组做到满发长期稳定可靠运行的团队,"超碳一号"也是全球第一次,能够把它工业化商运的团队。 记者:领先别人多少? 黄彦平:超临界二氧化碳发电技术,是现在21世纪发电技术的最前沿。如果我们处于领先地位,中国能够把超临界二氧化碳发电技术,一直保持在领先 地位。 目前,在工业余热发电、火力发电,包括核电等传统发电领域,主流技术是蒸汽机发电,采用水作为热力循环介质,把水烧成蒸汽后推动汽轮机发电。 而超临界二氧化碳发电技术是将烧开水改为烧超临界二氧化碳,对超临界二氧化碳加温加压,推动涡轮机发电。 黄彦平:明确的是五年。 黄彦平:这个图基本上就是,现在我们所有做动力构型的构图。 记者:从哪开始? 黄彦平:一般就是热源,在"超碳一号"里头,它就是烟气换热器。 黄彦平:就是余热,二氧化碳在管子里面走,它在管子外头加热, ...
超级赛道,爆发!“超碳一号”如何发电?
Yang Shi Xin Wen· 2025-12-24 08:36
Core Viewpoint - The successful operation of the world's first commercial supercritical carbon dioxide power generation unit, "Super Carbon No. 1," marks a significant advancement in efficient power generation technology, utilizing supercritical carbon dioxide as a new working medium, which has broad commercial prospects [1][3]. Group 1: Technology and Performance - "Super Carbon No. 1" has transitioned from traditional steam power generation to using supercritical carbon dioxide, enhancing power generation performance metrics [1]. - The technology achieves over 85% improvement in waste heat utilization and more than 50% increase in net power generation compared to existing steam power generation technologies [3]. - The supercritical carbon dioxide power generation process involves compressing, heating, expanding, and cooling, which allows for a more efficient energy conversion compared to conventional methods [15]. Group 2: Economic Impact - The project is expected to generate an annual cash flow increase of nearly 50 million yuan, allowing for investment cost recovery within three years [5]. - The market potential for retrofitting existing waste heat recovery systems in the steel metallurgy industry is estimated to be around 100 billion yuan, with over 300 sets of traditional sintering machines eligible for modification [23]. Group 3: Future Applications - Future applications of supercritical carbon dioxide power generation technology include integration with molten salt energy storage systems, particularly in wind and solar energy scenarios, with a demonstration project set to begin in Xinjiang in 2026 [19]. - The technology is also anticipated to be beneficial in offshore oil and gas drilling platforms and large vessels, where space-saving equipment is crucial, potentially reducing equipment size to one-fourth of conventional systems [21].
提供低碳高效灵活新型能源动力 ——记面向新型电力系统的超临界二氧化碳发电技术及应用
Zhong Guo Hua Gong Bao· 2025-12-22 03:48
Core Viewpoint - The development of supercritical carbon dioxide (sCO2) power generation technology is crucial for achieving China's dual carbon goals and constructing a new power system, marking a significant advancement in modern energy systems [1][2]. Group 1: Advantages of Supercritical CO2 Power Generation - sCO2 power generation offers high efficiency, flexibility, and compact system design compared to traditional steam power generation, with an efficiency increase of 3-5 percentage points and a regulation speed 3-4 times faster than traditional systems [2]. - The technology is suitable for various energy sources, including coal, solar thermal, and nuclear power, addressing the challenges posed by the intermittency of renewable energy sources [2]. Group 2: Key Technological Breakthroughs - The Xi'an Thermal Engineering Research Institute has made significant advancements in the principles and control strategies for sCO2 systems, leading to the establishment of a 5 MW sCO2 test unit, which has successfully operated for over 2000 hours [3]. - The research has resulted in a comprehensive invention system for sCO2 power generation, achieving international leading levels in performance [3]. Group 3: Commercialization Prospects - A strategic partnership has been formed between Xi'an Thermal Engineering Research Institute and Yulin Energy Group to develop a 50 MW coal-fired sCO2 power generation demonstration unit, expected to exceed 40% efficiency and provide flexible peak regulation capabilities [4]. - This project aims to utilize existing power plant infrastructure, positioning it as the world's first commercially viable large-scale sCO2 power generation unit [5].
全球首台!二氧化碳发电成功商运
DT新材料· 2025-12-21 16:05
超碳一号 "示范工程是 中核集团中国核动力研究设计院 (以下简称"核动力院")与 济钢集团国际工程技术有限公司、首钢水城钢铁(集团)有限责任公司 共同推进的全球首套2×15兆瓦超临界二氧化碳烧结余热发电工程。 相比现役烧结余热蒸汽发电技术,"超碳一号"发电效率提升85%以上,净发电量提升 50%以上,同时系统简化、设备减少、运维便利,场地需求减少50%。 据介绍,核动力院从2009年开始开展超临界二氧化碳发电技术研究,经过十余年的艰难探索,攻克了"两机三器一系统"从设计、制造到集成应用的系列关键 技术,建立了超临界二氧化碳发电技术研发体系并完成技术验证。在研发过程中,核动力院集合了东方电气集团、西安交通大学、西北工业大学等国内优势 企业和高校团队,形成了以超临界二氧化碳发电技术为核心的产学研共同体,真正具备了完全自主的精细设计和成套供货能力。 全球首台商用超临界二氧化碳发电机组厂房外景。 除了该示范项目,中核集团还于2024年启动了 "熔盐储能+超临界二氧化碳发电" 示范项目,已入选国家能源领域第五批首台(套)重大技术装备,预计 2028年完成示范应用。 超临界二氧化碳发电技术实验装置。 【DT未来产业】 获 ...
新型发电领域的“超级跑车”来了!发电效率提升的秘密藏在这里→
Sou Hu Cai Jing· 2025-12-20 11:59
Core Viewpoint - Supercritical carbon dioxide (sCO2) power generation is recognized as a strategic frontier technology in the energy sector by the U.S. Department of Energy and has been under research in China since 2009 [1] Group 1: Technology Overview - The sCO2 power generation process involves raising carbon dioxide to a supercritical state at approximately 31 degrees Celsius and 74 atmospheres of pressure, which enhances efficiency by 5 to 8 percentage points compared to traditional steam [3] - In its supercritical state, carbon dioxide has a high density, allowing it to store more energy, and its low viscosity reduces flow resistance, enabling a simpler and faster response in the power generation process [5] - The sCO2 power generation consists of four steps: compression, heating, expansion, and cooling, which collectively create a high-temperature, high-pressure environment to drive a turbine for electricity generation [11] Group 2: Industry Impact - The adoption of sCO2 technology is expected to revolutionize power generation models, equipment forms, operational modes, and overall efficiency, leading to disruptive changes in power plant processes [13] - The unique working advantages of carbon dioxide make it a preferred choice among various working fluids, as it is humorously referred to as the "chosen one" for its superior performance [7]
二氧化碳能用来发电了!
Xin Lang Cai Jing· 2025-12-20 09:50
Core Viewpoint - The successful operation of the world's first commercial supercritical carbon dioxide power generation unit, "Super Carbon No. 1," marks a significant advancement in transitioning supercritical carbon dioxide power generation technology from laboratory to commercial application [1]. Group 1: Technology Overview - "Super Carbon No. 1" generates electricity by heating and pressurizing liquid carbon dioxide to a supercritical state, which allows it to store more energy and reduces flow resistance compared to traditional steam generation methods [3][4]. - The supercritical carbon dioxide power generation process involves four steps: compression, heating, expansion, and cooling, which enhances energy efficiency [4]. Group 2: Efficiency and Output - The efficiency of "Super Carbon No. 1" can improve by over 85% compared to existing sintering waste heat steam power generation technologies, resulting in an additional annual electricity output of over 70 million kilowatt-hours [4]. Group 3: Future Applications - A new energy storage and power generation demonstration project combining molten salt storage and supercritical carbon dioxide power generation is expected to commence construction in Xinjiang in the first half of 2026 [5]. - The technology has broad application prospects in offshore oil and gas drilling platforms and large vessels, offering advantages such as high efficiency, compact systems, fewer auxiliary systems, and a 50% reduction in space requirements [6]. - Supercritical carbon dioxide technology can effectively utilize industrial waste heat, contributing to energy conservation and carbon reduction efforts in traditional industries like steel and cement [6].
二氧化碳能用来发电了!“超碳一号”成功商运
Xin Lang Cai Jing· 2025-12-20 07:48
Group 1 - The world's first commercial supercritical carbon dioxide power generation unit, "Super Carbon No. 1," has successfully commenced operation in Liupanshui, Guizhou, marking a significant advancement in power generation technology [3] - The "Super Carbon No. 1" demonstration project, a 15-megawatt supercritical carbon dioxide waste heat power generation system, is a collaborative effort between China National Nuclear Corporation, JISCO International Engineering Technology Co., Ltd., and Shougang Water City Steel Group [3] - This innovative technology utilizes supercritical carbon dioxide as a working fluid, operating at temperatures above 31 degrees Celsius and pressures exceeding 73 atmospheres, to generate electricity more efficiently than traditional methods [3][4] Group 2 - The efficiency of the "Super Carbon No. 1" technology is reported to be over 85% higher than previous waste heat steam power generation technologies, with net power generation increasing by more than 50% [4] - The project is expected to generate an additional 70 million kilowatt-hours of electricity annually, resulting in an increase in revenue of nearly 30 million yuan [4] - The technology is seen as a practical solution for energy conservation and carbon reduction in traditional industries such as steel and cement, which are major energy consumers and carbon emitters [4] Group 3 - The "Super Carbon No. 1" system is noted for its compact design, reduced auxiliary systems, and rapid response capabilities, potentially reducing space requirements by 50% [4] - If applied nationwide, this technology could revolutionize waste heat utilization not only in the steel industry but also in other sectors like cement and glass [4] - A new demonstration project combining molten salt energy storage with supercritical carbon dioxide power generation is set to begin in 2024, with expectations for completion by 2028 [4][5]
沈氏科技与西安交大共建先进能源动力技术研究院 助力"双碳"目标突破
Core Insights - The establishment of the "Shen Technology - Xi'an Jiaotong University Advanced Energy Power Technology Research Institute" marks a significant step in addressing key technological challenges in the energy sector, particularly in supercritical carbon dioxide power generation [1][4][6] Group 1: Strategic Collaboration - Shen Technology and Xi'an Jiaotong University have formed a deep strategic partnership to advance energy power technology, focusing on overcoming core bottlenecks in supercritical carbon dioxide power generation [1][4] - The research institute aims to accelerate the transformation of cutting-edge academic achievements into practical applications that support industrial upgrades and the achievement of carbon neutrality goals [4][6] Group 2: Event Highlights - The inaugural ceremony of the research institute took place on August 8, 2025, in Hangzhou, featuring speeches from government and academic leaders, strategic signing, and future planning announcements [3] - Key attendees included officials from the local government and prominent figures from both Shen Technology and Xi'an Jiaotong University, emphasizing the collaborative nature of the initiative [3] Group 3: Technological Focus - The collaboration will focus on three main areas: supercritical carbon dioxide power generation, new energy, and engineering heat exchange, which are identified as having significant technological challenges but also immense potential [5] - The combination of Xi'an Jiaotong University's research capabilities and Shen Technology's market experience in PCHE (Printed Circuit Heat Exchanger) is expected to create a powerful synergy to tackle these challenges [5] Group 4: National Support and Impact - The partnership is backed by strong national support for new energy and advanced power technologies, which is crucial for the success of their collaborative efforts [5] - Successful development and market application of these technologies are anticipated to have a substantial impact on national energy strategy and overall national strength [5]