China News Service, Beijing, March 31 (Reporter Yu Lixiao) In preparation for the "Meet in Beijing" series of test activities, the ice competition venues in the Beijing competition area of ​​the 2022 Winter Olympics have completed the secondary ice making work that meets the Olympic standards. The venue is ready and ready to go.

This is what the reporter learned from the Beijing Major Project Office on the 31st.

　　The "Meet in Beijing" winter sports event series will be held in Beijing from April 1-10, 2021, involving 5 competitions including the National Speed ​​Skating Stadium, Capital Gymnasium, National Aquatics Center, National Stadium and Wukesong Sports Center. Venues.

The Wukesong Sports Center is laying the ice logo.

Photo courtesy of Beijing Major Office

　　According to Huang Hui, director of the Urban Stadium Construction Division of the Beijing Major Projects Office, the National Aquatics Center has completed ice-making in December 2020 in accordance with the requirements of individual international organizations and the curling competition standards of the Winter Olympics.

The four venues, the National Speed ​​Skating Stadium, the Capital Stadium, the National Stadium and the Wukesong Sports Center, all melted the ice in the previous test and conducted a second ice making in accordance with the Winter Olympics competition standards.

Ice surface of the National Stadium.

Photo courtesy of Beijing Major Office

　　The overall ice-making work of each venue was started in mid-to-late March and will be completed by the end of March.

In accordance with the competition standards of the Winter Olympics, through testing activities, the venue's lighting, sound reinforcement, temperature and humidity, and competition venue craftsmanship will be inspected in an all-round way, and the venue's functional facilities will be further improved to ensure that it meets the requirements of the competition.

　　Both the National Speed ​​Skating Stadium and the Capital Gymnasium adopt the most advanced and environmentally friendly carbon dioxide refrigeration technology, with carbon emissions approaching zero, and strive to create the "fastest ice" and "the most beautiful ice".

　　Among them, the ice-making work of the National Speed ​​Skating Stadium began on March 20. After close cooperation between the foreign and Chinese ice-making teams, the temperature of the structural ice plate was first reduced to -5°C, and then the bottom ice was poured, sprayed with ice paint, and sealed. Ice, ice surface marking, watering and ice coating, and other processes, completed the ice-making work of this test activity on March 31.

The curling track of the National Aquatics Center.

Photo courtesy of Beijing Major Office

　　The ice-making work of the Capital Gymnasium officially started on March 16th. After 10 days of pre-cooling, the temperature of the ice board was slowly lowered from 20°C to -7°C. The ice-making stage officially entered on March 26th, which took 4 days to complete. Ice making at the venue.

In accordance with the requirements of the International Skating Federation and the standards of the Winter Olympics, the Capital Gymnasium has produced an ice surface that meets both short-track speed skating and figure skating.

　　The National Stadium and Wukesong Sports Center are both ice hockey venues. The National Stadium is responsible for men’s and Paralympic ice hockey matches, and Wukesong Sports Center is responsible for women’s ice hockey matches.

The ice surface of the National Speed ​​Skating Hall.

Photo courtesy of Beijing Major Office

　　Among them, the ice-making work of Wukesong Sports Center started on March 22 and was completed on March 29.

The ice making of the entire site is divided into 8 steps. First, the ground temperature is reduced to minus 12 degrees to make basic ice, which is often referred to as "black ice."

Immediately after spraying the white paint, a layer of ice is made on this foundation.

Then, the marking of the competition and ice-making cover the marking line are carried out.

Finally, the LOGO of the event is laid, and the last layer of ice is made to meet the requirements of the corresponding competition.

　　The ice-making work of the National Stadium started on March 16th and ended on March 30th. It was guided online by the main ice maker recognized by the International Ice Federation and performed by the domestic senior professional ice-making team. According to the Winter Olympic Games competition standards, the production Professional ice hockey game on the ice.

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