Development of High Grade Heat Storage for integration with Liquid Air Energy Storage

开发与液态空气储能集成的高级蓄热装置

• 批准号: 133465
• 金额: $ 26.2万
• 依托单位: HIGHVIEW ENTERPRISES LIMITED
• 依托单位国家: 英国
• 项目类别: Feasibility Studies
• 财政年份: 2018
• 资助国家: 英国
• 起止时间: 2018 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=133465
• 关键词: Development; Grade; Heat; Storage; integration

"Energy storage is a vital aspect of electricity supply, balancing variation in energy demand and energy generation. A novel approach to energy storage uses refrigerated air to store energy until it is needed. Liquid Air Energy Storage (LAES) uses electricity to cool air to -196degC, the temperature at which it liquefies. The liquid is then stored in an insulated tank until there is a demand for the stored energy. Exposure to ambient air or waste heat from an industrial process causes rapid re-gasification of the refrigerated air and a 700-fold expansion in volume; this expansion is used to drive a turbine and generate electricity.LAES brings considerable benefits to the grid in terms of security of supply. Its large scale, long duration storage capability helps balance the grid against variation in generation and demand, with intermittency linked to the increasing contribution of renewable energy, such as wind power, in the energy generation mix. A major advantage over conventional energy storage options is that LAES systems can be placed within industrial estates or next to existing power generators in order to capture waste heat which can be used to create the gas; thus increasing the efficiency of the system.UK SME Highview Power Storage are world leaders in large scale, long duration LAES energy storage. Highview's LAES system, currently being commissioned in a demonstration plant in Pilsworth, Greater Manchester, has been designed to use off the shelf components, proven in other applications and with long lifespans (30 years), minimising technology risk. It also uses widely available and environmentally benign materials, such as gravel in the cold store. The demonstration plant uses a water based heat store; whilst this represents the current state-of-the-art, water has significant limitations and Highview, in partnership with the University of Brighton, are seeking Innovate UK support to develop an alternative, innovative HGHS that makes a significant contribution to LAES process efficiency. This project will optimise LAES technology and accelerate commercialisation.Specifically, the project will develop a High Grade Heat Store Solution (HGHS) that allows Highview's LAES system to recover higher temperature waste heat from the process itself or from contributory sources that are co-located. An innovative approach is proposed, entailing the development of an alternative heat transfer fluid (HTF) that correlates with the pressure, heat transfer, viscosity, flammability and toxicity parameters of LAES, and operates at temperatures that deliver optimized RTE within a practical, cost-effective HGHS solution."

“储能是电力供应的一个重要方面，平衡能源需求和能源生产的变化。一种新的能量储存方法使用冷冻空气来储存能量，直到需要为止。液态空气储能（LAES）利用电力将空气冷却到-196摄氏度，这是它蒸发的温度。然后将液体储存在绝缘罐中，直到需要储存的能量。暴露于环境空气或工业过程产生的废热会导致冷却空气快速再气化，体积膨胀700倍;这种膨胀用于驱动涡轮机和发电。LAES在供电安全方面为电网带来了相当大的好处。其大规模，长时间的存储能力有助于平衡电网对发电和需求的变化，与可再生能源，如风力发电，在能源发电组合的贡献越来越大。与传统储能方案相比，LAES系统的一个主要优势是可以放置在工业区内或现有发电机附近，以捕获可用于产生气体的废热，从而提高系统的效率。英国SME Highview Power Storage是大规模、长时间LAES储能的世界领导者。Highview的LAES系统目前正在大曼彻斯特Pilsworth的一个示范工厂进行调试，该系统旨在使用现成的组件，在其他应用中得到验证，寿命长（30年），最大限度地降低了技术风险。它还使用广泛可用的环保材料，如冷藏室中的砾石。示范工厂使用基于水的热存储;虽然这代表了当前最先进的技术水平，但水有很大的局限性，Highview与布莱顿大学合作，正在寻求Innovate UK的支持，以开发一种替代的创新HGHS，为LAES工艺效率做出重大贡献。该项目将优化LAES技术并加速商业化。具体而言，该项目将开发一种高级热存储解决方案（HGHS），使Highview的LAES系统能够从工艺本身或协同定位的贡献源中回收更高温度的废热。提出了一种创新的方法，需要开发一种替代传热流体（HTF），该流体与LAES的压力，传热，粘度，易燃性和毒性参数相关，并在实际，具有成本效益的HGHS解决方案中提供优化的RTE的温度下运行。"