基于低温光热驱动余热利用的新型光煤互补发电系统

韩宇; 严雪; 孙颖颖; 吴俊杰

doi:10.19666/j.rlfd.202507120

English

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基于低温光热驱动余热利用的新型光煤互补发电系统

热力发电 2026年55卷第3期页码：165-175

新型发电技术 | 更新时间：2026-08-07

- 基于低温光热驱动余热利用的新型光煤互补发电系统
- 基于低温光热驱动余热利用的新型光煤互补发电系统
- 作者机构：
  
  1. 南京工程学院能源与动力工程学院
  2. 南京工程学院江苏省多能融合与灵活性发电技术重点实验室
- 作者简介：
- 基金信息：
  
  江苏高校“青蓝工程”项目~~
- DOI：10.19666/j.rlfd.202507120
  中图分类号： TK519;TM61
- 纸质出版：2026
- 稿件说明：
移动端阅览
[1]韩宇,严雪,孙颖颖,等.基于低温光热驱动余热利用的新型光煤互补发电系统[J].热力发电,2026,55(03):165-175.
[1]韩宇,严雪,孙颖颖,等.基于低温光热驱动余热利用的新型光煤互补发电系统[J].热力发电,2026,55(03):165-175. DOI： 10.19666/j.rlfd.202507120.

DOI：10.19666/j.rlfd.202507120.

摘要

【目的】为解决光煤互补发电领域集热成本偏高、太阳能转换效率偏低的2个核心问题，提出新型低成本高效光煤互补发电系统。【方法】新系统采用低温真空管太阳能驱动余热利用的模式，大幅降低集热成本，并实现太阳能的放大利用。通过仿真模拟、热力学分析以及经济性分析，揭示了新系统的性能。【结果】基于典型600 MW机组，新系统通过创新的真空管太阳能驱动余热利用模式，能够实现32.68%的光电转换效率，大幅降低太阳能集热设备成本至常规系统的34.9%，将太阳能发电成本控制在0.440元/(kW·h)。【结论】与常规系统相比，新系统的热力性能与经济性能有了大幅提升，解决了光煤互补发电领域的核心问题。

Abstract

[Objective] To solve the two core problems of solar-coal hybrid power generation

namely the high cost of solar collectors and the low solar conversion efficiency

a novel low-cost and efficient solar-coal hybrid power generation system was proposed. [Methods] In this new system

by using low-temperature evacuated tube solar energy to drive the waste heat recovery

the cost of solar collectors can be reduced significantly and solar amplified utilization is achieved. The performance of the new system was revealed by simulation

thermodynamic analysis

and economic analysis. [Results] Based on a typical 600 MW unit

the new system exhibited a solar-to-electricity efficiency of 32.68% via the novel mode of evacuated tube solar-driven waste heat recovery. The cost of solar collecting devices in the proposed system was reduced to 34.9% of that in the conventional system. The cost of solar-generated electricity was kept at 0.440 yuan/(kW·h). [Conclusions] The thermal and economic performance of the proposed system was significantly improved compared with that of the conventional one

and the key problems in the field of solar-coal hybrid power generation have been solved.

关键词

Keywords

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