A heat pump energy storage system coupled to ccus

By coupling the CCUS system, carbon capture is achieved by utilizing the irreversible heat loss energy of the heat pump energy storage system, which solves the problem of unused waste heat in the heat pump energy storage system and realizes efficient energy utilization and emission reduction.

CN122408294APending Publication Date: 2026-07-17STATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
STATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE
Filing Date
2025-01-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The waste heat generated by irreversible losses in heat pump energy storage systems is not effectively utilized, resulting in energy waste and affecting system efficiency.

Method used

By coupling the heat pump energy storage system with the CCUS system, the irreversibly lost heat energy is used to heat the regeneration tower through the heat-to-electricity system to achieve carbon capture. The electrical energy is converted into heat energy and stored using the electric-to-heat system. Combined with the heat-to-electricity system, the heat energy is converted into electrical energy to meet the peak shaving and peak power generation needs.

Benefits of technology

It improves the system's energy utilization rate, reduces operating costs, and achieves emission reduction and economic benefits through carbon capture.

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Abstract

本公开提出一种耦合CCUS的热泵储能系统,包括:储能系统;电转热系统,电转热系统用于将电能转换成热能,以及电转热系统的放热通路用于向储能系统的吸热通路释放热能;热转电系统,热转电系统的吸热通路用于从储能系统的放热通路吸收热能,以及热转电系统用于将热能转换成电能;CCUS系统,CCUS系统包括:再生塔、再生分离器和吸收塔,再生分离器和吸收塔分别与再生塔相连,且热转电系统的放热通路用于向再生塔的给水通路释放热能,以加热再生塔中的富液。在本公开的一种耦合CCUS的热泵储能系统中,将热泵储能系统中不可逆损失产生的热能提供给CCUS系统进行碳捕集,在不影响发电效率的前提下,有效提高了系统的能量利用率,降低了系统的运行成本。
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