2022年北京冬奥会国家速滑馆CO2制冷系统和国家雪车雪橇中心氨制冷系统的简介

Brief Introduction of CO2 Refrigeration System in the National Speed Skating Stadium and Ammonia Refrigeration System in the National Snowmobile Sled Center for Beijing Winter Olympics in 2022

本文介绍了2022年北京冬奥会国家速滑馆与国家运动员训练馆的冰场的CO2制冷系统。回顾了国家速滑馆建设与制冷系统的论证过程。其中也包括采用CO2载冷剂制冰技术的原中车二七厂大道速滑训练馆和使用CO2跨临界直冷制冰技术的北京首都体育馆综合训练馆项目。国家雪车雪橇中心采用氨制冷,设置废热再利用系统。2022年北京冬奥会将引领自然工质制冷的新技术,具有示范性和引领作用,推动了创新产品的发展。

The CO2 refrigeration system in national speed skating stadium and training hall of the Beijing Winter Olympics in 2022 and the ammonia refrigeration system of the national snowmobile sled center are introduced in this paper.The construction of the national speed skating stadium and the demonstration process of refrigeration system are reviewed.Also,the speed skating training stadium using CO2 secondary refrigerant technology and the Beijing capital gymnasium comprehensive training stadium using CO2 transcritical direct refrigeration technology are included.Ammonia refrigeration system with waste heat reuse system is adopted in national snowmobile sled center.The 2022 Beijing Winter Olympics will lead the way in the new technology of natural working fluid refrigeration;it will play a demonstration and leading role,and promote the development of innovative products.