近日,由北京城建集团安装公司承担施工的国家体育场(鸟巢)大直径闭合式空调主干线480管道试压顺利完成,标志着“鸟巢”机电安装重大科研课题取得了决定性突破。据悉,“鸟巢”480空调管道是世界上首例采用大直径椭圆形闭合式安装工艺,该项系统安装试压成功填补了我国和世界空调领域科技空白。 Recently, the pressure test of 480 large-diameter closed air-conditioning main lines at the National Stadium (Bird's Nest) undertaken by Beijing Urban Construction Group Installation Company was successfully completed, marking a crucial breakthrough in the major scientific research topics of “Bird's Nest” electromechanical installation. It is reported that “Bird's Nest ” 480 air-conditioning pipe is the world's first large-diameter oval closed installation process, the installation of pressure test system successfully filled China and the world of air-conditioning science and technology gaps.