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地热能技术新突破!郑州项目投产

  • 2026-06-08 22:21:18
地热能技术新突破!郑州项目投产
2026 年 5 月 19 日，我国首个地热能超临界二氧化碳取热项目在河南郑州正式投产运行，该项目由中国华能集团投资建设，位于郑州市惠济区，标志着我国在地热能高效开发利用领域实现关键技术突破。
传统地热能开发长期以水为传热介质，普遍面临地下水回灌困难、热效率偏低、易引发地质沉降与水体污染等行业共性难题。此次郑州投产的项目，核心创新在于用超临界二氧化碳替代水作为传热工质，构建全封闭循环系统，真正实现 “取热不取水”，全过程不抽取、不消耗地下水，也不污染地层、不扰动地质环境。
二氧化碳经加压后注入深度达 2500 米的地热井，在井底与高温岩体充分换热；超临界状态（温度超 31.1℃、压力超 7.38MPa）下的二氧化碳兼具气体低黏度、液体高密度的特性，流动阻力小、传热效率显著优于水。吸热升温后的二氧化碳返回地面，通过换热装置将热量转移至供暖水系统，冷却后的二氧化碳再次加压输送至井下，形成闭环循环。经官方实测数据确认，该技术相较传统水介质取热能力提升约 20%，单位供暖能耗降低 10%。
项目投运后，冬季可满足超 1.8 万平方米居民住宅的集中供暖需求，每年可替代标准煤约 288 吨，减排二氧化碳约 750 吨，生态与民生效益同步显现。作为我国地热能开发领域的标志性工程，该项目的投产验证了超临界二氧化碳技术在地热利用场景的可行性，为国内中深层地热资源清洁高效开发提供了权威可参考的实践案例，也为缺水地区地热资源利用开辟了新方向。
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  139. /yingpanguazai/ssd/ssd1/www/i.460.net.cn/runtime/temp/ea612fc1da910b74827694dd9af81119.php ( 11.98 KB )
  140. /yingpanguazai/ssd/ssd1/www/i.460.net.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000831s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000899s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000333s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000289s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000679s ]
  6. SELECT * FROM `set` [ RunTime:0.000245s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000773s ]
  8. SELECT * FROM `article` WHERE `id` = 542237 LIMIT 1 [ RunTime:0.000451s ]
  9. UPDATE `article` SET `lasttime` = 1780953309 WHERE `id` = 542237 [ RunTime:0.003851s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000301s ]
  11. SELECT * FROM `article` WHERE `id` < 542237 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000586s ]
  12. SELECT * FROM `article` WHERE `id` > 542237 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000502s ]
  13. SELECT * FROM `article` WHERE `id` < 542237 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001079s ]
  14. SELECT * FROM `article` WHERE `id` < 542237 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010326s ]
  15. SELECT * FROM `article` WHERE `id` < 542237 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006052s ]
0.169420s