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A Low-Carbon-Emission Combined Cooling, Heating, and Power System Integrated with Heat Pump Technology: Thermodynamic and Thermal Economic Analysis

ヒートポンプ技術を統合した低炭素排出型冷暖房・電力供給システム：熱力学的および熱経済的分析 (AI 翻訳)

Yangsong Yang, Jianlin Hua, Ronghao Chen, Weijia Huang

Processes📚 査読済 / ジャーナル2026-05-28#CCUSOrigin: CN
DOI: 10.3390/pr14111764
原典: https://doi.org/10.3390/pr14111764

🤖 gxceed AI 要約

日本語

本研究では、熱ポンプとCCSを組み合わせた低炭素CCHPシステムを提案。廃熱回収率を大幅に向上させ、エネルギー効率を74.25%から81.22%に向上。経済性分析では単位エネルギー生産コストの低減を示し、タービン、CCS、圧縮機が主な非効率要因と特定。高効率・低炭素のマルチジェネレーションシステム設計に指針を提供。

English

This study proposes a novel low-carbon CCHP system integrating heat pump (HP) and MEA-based carbon capture (CCS). HP enables cascaded waste heat recovery, raising overall energy efficiency from 74.25% to 81.22% and waste heat recovery rate from 73.59% to 89.85%. Economic analysis shows unit energy production cost decreases to $0.031/kWh. Exergoeconomic analysis identifies turbine, CCS, and compressor as primary optimization targets. Provides theoretical basis for high-efficiency, low-carbon multi-generation systems.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

本論文は、熱ポンプとCCSを統合したCCHPシステムの詳細な熱力学的・経済的分析を提供。日本のGX文脈では、工場や地域冷暖房での廃熱活用とCCS導入の可能性を示唆。特に、SSBJ/ISSBの開示要件において、エネルギー効率改善とカーボン削減の具体的な技術オプションとして参考になる。

In the global GX context

This paper presents a comprehensive thermodynamic and economic analysis of an integrated CCHP system with HP and CCS. For global GX context, it demonstrates a pathway to significantly improve energy efficiency and reduce carbon emissions in multi-generation systems, relevant to energy transition and CCUS deployment. The exergoeconomic optimization framework can inform engineering design for low-carbon energy systems.

👥 読者別の含意

🔬研究者:Provides a detailed exergoeconomic optimization of integrated HP-CCS CCHP systems, identifying key components for efficiency improvement.

🏢実務担当者:Offers engineering design guidelines for high-efficiency low-carbon CCHP systems with heat pump and carbon capture.

📄 Abstract（原文）

Against the backdrop of the global energy transition and decarbonization imperative targets, improving the efficiency of conventional energy systems while simultaneously reducing carbon emissions has become a pressing challenge. To address the widespread problem of insufficient waste heat utilization in combined cooling, heating, and power (CCHP) systems, this study proposes a novel low-carbon-emission CCHP system coupled with heat pump (HP) technology and a monoethanolamine (MEA)-based carbon capture and storage (CCS) subsystem. The HP unit enables cascaded recovery and temperature upgrading of low-grade waste heat from both the flue gas and the CCS regeneration column. A comprehensive five-dimensional evaluation framework—covering energy, exergy, life cycle environmental assessment, economic and exergoeconomic analyses—is established and benchmarked against a conventional low-carbon CCHP reference system. Thermodynamic results show that HP integration raises the overall energy efficiency from 74.25% to 81.22% and the waste heat recovery rate from 73.59% to 89.85%, while simultaneously reducing exergy losses by 365.06 kW and elevating exergy efficiency from 53.95% to 65.07%. Economic analysis reveals that the unit energy production cost decreases from 0.033 to 0.031 $/(kW·h), despite a marginal increase in unit power generation cost. Sensitivity analysis identifies operating hours and interest rate as the dominant cost drivers. Exergoeconomic analysis pinpoints the turbine, the CCS subsystem, and the compressor as contributing 67.02%, 17.11%, and 8.17% of the total exergoeconomic losses, respectively, identifying them as the primary targets for future optimization. These findings provide a theoretical foundation and engineering guidance for the development and deployment of high-efficiency, low-carbon multi-generation energy systems.

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