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电力学习笔记之国电电力的热电解耦灵活性改造

  • 2026-03-02 18:03:01
电力学习笔记之国电电力的热电解耦灵活性改造
  • 定义:

热电解耦灵活性改造,从技术上定义,是指通过手段和设备改造,打破或显著削弱热电联产机组在运行过程中热力生产与电力生产之间的刚性耦合关系,从而使机组能够在满足既定热负荷需求的前提下,实现发电出力的独立、灵活调节。目的是打破传统“以热定电”的运行模式,将原本耦合在一起的热能和电能生产过程进行物理上的分离,使机组能够独立调节热、电输出。这种解耦是机组获得深度调峰能力、快速响应能力,从而更好地适应高比例可再生能源电网调峰需求的前提和基础。

  • 技术原理:

这部分本人不是专业的,网上搜了一下,大致意思就是把热电联产机组产生的热能和电能分开,这样就能让电能在低功率运行基础上满足热能输出,这样既能保热也能满足电网调峰需求。常用技术很多,最简单的就是通过大型热水储罐,利用水的储热,在热负荷低、电负荷高时储存多余热量,在需要高供热、低发电时释放。除了热水储罐之外的技术路线也很多种,国内也很成熟。

  • 国电电力的改造情况

这块国电电力探索的很早,早在2018年大连热电厂就进行过热电解耦的灵活性改造,在当时就已经实现了低于20%的功率下运行,根据报道,上半年通过这种方式获取的调峰收益超过2200万元。

在2026年,国电电力廊坊能源有限公司350MW高效灵活燃煤发电机组关键技术研发与工程示范项目锅炉烟气耦合熔盐储放热一体化系统熔盐放热岛工程勘察设计招标文件中,明确了相关技术指标,能在15%额定负荷长期运行,快速启停时间小于2小时,可以说技术更先进。

根据新浪的报道,国电电力在推进煤电灵活性改造,将47台机组调峰能力提升至40%。在24年年报中,公司披露已经实现多台机组实现 20%负荷深调能力。

  • 小结:

国电电力正在从将传统火电转型为提供多元化能源解决方案的服务商。在公司24年的年报中,是这么描述:“高效打造“发电+”综合能源示范项目,全面开展电、热、冷、气、水等多能联供以及固废资源化利用,开拓区域能源服务新市场,挖掘综合用能潜力”。

从这段话可以看出,大型火电央企都不再是我们想象中的单一传统火电企业,在技术创新以及商业场景创造上,都非常有创新力。我相信以大型央企的地位以及战略要求,定下的战略和目标一定都能实现。

#国电电力#

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  137. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/no.67808.cn/runtime/temp/6df755f970a38e704c5414acbc6e8bcd.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000695s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001149s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000345s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000297s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000592s ]
  6. SELECT * FROM `set` [ RunTime:0.000227s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000630s ]
  8. SELECT * FROM `article` WHERE `id` = 471163 LIMIT 1 [ RunTime:0.000476s ]
  9. UPDATE `article` SET `lasttime` = 1772484159 WHERE `id` = 471163 [ RunTime:0.011507s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000282s ]
  11. SELECT * FROM `article` WHERE `id` < 471163 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000610s ]
  12. SELECT * FROM `article` WHERE `id` > 471163 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000452s ]
  13. SELECT * FROM `article` WHERE `id` < 471163 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001199s ]
  14. SELECT * FROM `article` WHERE `id` < 471163 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003807s ]
  15. SELECT * FROM `article` WHERE `id` < 471163 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001238s ]
0.095968s