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Back|我国首个百兆瓦级压缩二氧化碳储能项目成功并网
我国首个百兆瓦级压缩二氧化碳储能项目成功并网
NEWS
中国新闻网·1 hour ago·Energy·4 min read·🇨🇳China·

我国首个百兆瓦级压缩二氧化碳储能项目成功并网

中国华电新疆木垒项目开辟大容量储能新路线

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10月2日,中国华电新疆木垒百兆瓦级压缩二氧化碳储能项目成功并网。该项目作为我国首个此类规模工程,利用二氧化碳气体与液体互转技术,实现电网削峰填谷,年可储存2.9亿度电能,释放1.8亿度清洁绿电,助力新型电力系统建设。

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Why It Matters

压缩二氧化碳储能是一种利用气体和液体互转、两态协同的储能技术,不依赖地质条件,具有高可靠性和低成本特点。

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今天(10月2日),我国首个百兆瓦级压缩二氧化碳储能项目——中国华电新疆木垒压缩二氧化碳储能项目成功并网,开辟了大容量压缩二氧化碳储能绿色、零碳、高效、经济的新路线。

首个百兆瓦级压缩二氧化碳储能项目并网

总台央视记者 古峻岭:这里是我国首个百兆瓦级压缩二氧化碳储能项目。它就像一个矗立在戈壁滩上的巨型“充电宝”,可以根据电网需求实现灵活储放,低谷充电、高峰放电,分钟级响应,每年可在电网低谷时储存2.9亿度电能,高峰时释放1.8亿度清洁绿电,能够连续发电超6小时。

项目配置5座储气仓、141个储液单元和97个储热单元。整套系统以二氧化碳作为密闭循环介质,是一种气体和液体互转、两态协同的储能技术。不依赖地质条件,压力温度要求低,可靠性高且成本低,设计制造的关键核心技术完全自主可控。

中国华电木垒压缩二氧化碳储能项目负责人 马国江:压缩二氧化碳能量密度比更高,同时具备高效率、低成本、高安全、无污染等多项优势。项目设计效率是目前国内发电效率最高的二氧化碳发电机组。项目建成后,年发电量约2亿度,每年可节约标煤5万吨,减少二氧化碳排放量约17万吨。

项目将强化电网削峰填谷、调频调压能力,显著提高电力系统的灵活性及安全性,持续扩大绿电供给,对于保障能源安全、促进绿色发展具有重要意义,助力我国新型电力系统经济建设。

压缩二氧化碳储能如何发电?

压缩二氧化碳作为新型储能技术一种,究竟是如何实现发电的?

压缩二氧化碳储能发电系统主要由储气系统、储液系统、压缩系统、蓄热系统、换热系统、膨胀发电系统组成。

储能阶段,在用电低谷期,利用富裕电力带动电动机将常温常压的二氧化碳通过压缩机进行气体压缩,这个过程就像用打气筒给车胎打气时,气筒会发热,压缩二氧化碳时同样会产生大量的热量,项目会先把这些热量存储起来,再把压缩后的二氧化碳冷凝为液态进行储存,这样能量密度比更高,也就意味着能储存更多的能量。

在发电阶段,用电高峰期,项目利用蒸发器将液态二氧化碳气化后,再通过压缩二氧化碳储能过程中存储的热量,来把高压液态二氧化碳加热至高温高压气态后,驱动涡轮叶片旋转,进而发电发出清洁绿电。

压缩二氧化碳这种新型储能技术是构建新型电力系统的重要技术探索,是实现碳达峰、碳中和目标的重要支撑,也是催生国内能源新业态、抢占国际战略新高地的重要领域。

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  • ?该技术的商业化推广成本及盈利模式如何?
  • ?未来在全国其他地区的复制可行性如何?

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This article was originally published by 中国新闻网.

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10月2日,中国华电新疆木垒百兆瓦级压缩二氧化碳储能项目成功并网。该项目作为我国首个此类规模工程,利用二氧化碳气体与液体互转技术,实现电网削峰填谷,年可储存2.9亿度电能,释放1.8亿度清洁绿电,助力新型电力系统建设。

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View translation
压缩二氧化碳储能
中国华电
新疆木垒
压缩二氧化碳储能
古峻岭
马国江
中国华电
新疆木垒
中国华电
新疆木垒
新型电力系统
绿色能源
储能技术

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