How does a hockey rink stay frozen? - Project Sports
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How does a hockey rink stay frozen?

4 min read

Asked by: Jennifer Hill

At the beginning of the hockey season, the arena uses an advanced refrigeration system that pumps freezing “brinewater” (salt water) through a system of pipes that run through a large piece of concrete known as the “ice slab.” When the “ice slab” gets cold enough, layers of water are applied to it.

How do ice rinks keep the ice from melting?

How does an ice rink stay frozen? The most common method of refrigeration used in keeping an ice rink frozen is an indirect refrigeration system. This is where a liquid refrigerant (often ammonia) absorbs heat from a secondary liquid (often brine) which has absorbed heat from the source.

How thick is the ice on a hockey rink?

The jersey is sometimes called a sweater because, during hockey’s early years, players actually wore sweaters and not the mesh-like jerseys of today. How thick is the ice? Ice is approximately 3/4″ of an inch thick and is usually chilled at 16 degrees fahrenheit. The thicker the ice, the softer and slower it becomes.

How long does it take to melt a hockey rink?

The entire process can take almost 48 hours. The ice is only about one inch thick when everything is finished. In addition, the official size of a National Hockey League rink is 200 feet long and 85 feet wide. To make the an ice sheet with this large of a surface area requires about 10,600 gallons of water.

What is NHL ice made of?


Room they are a powerful compressor pumps refrigeration fluid usually methanol or saline through pipes running underneath the rinks floor.

Why do ice skating rinks not melt?

It has to do with a substance called propylene glycol, says Willy Bietak, president of Bietak Productions. His company installed outdoor rinks at Pershing Square and by the Queen Mary in Long Beach. Beitak says propylene glycol can get much colder than the freezing temperature of water and still stay a liquid.

What do they do with the ice after a hockey game?

The ice in an ice hockey rink is only removed when the regular season and playoffs are finished. When it’s time to get rid of the ice, the brinewater is warmed and circulated under the ice to begin the melting process. Once the ice has melted sufficiently, it is then broken up and carted off by front end loaders.

Do they paint the ice in hockey?

The first few layers are painted with the hockey markings and the advertisements that you see on (or more correctly “in”) the ice. These layers are then covered with 8 to 10 more thin layers of ice. When complete, the ice is only one inch thick! The ice stays in place from September to May.

How cold is NHL ice?

“The ice temperature before warm-up is about 18 degrees Fahrenheit, but that will climb as high as 24 degrees during the game,” says King. “The NHL’s standard for maximum temperature at the conclusion of a game is 24 degrees.”

Why is a hockey puck black?

The black rubber of the puck is made up of a mix of natural rubber, antioxidants, bonding materials and other chemicals to achieve a balance of hardness and resilience. This mixture is then turned in a machine with metal rollers, where workers add extra natural rubber, and ensure that the mixing is even.

How much do NHL ref make?

Regular season salaries depend on years of service in the NHL. First year officials start at just over $200,000 for referees and $137,000 for linesmen, increasing each year. A 15-year referee would earn $430,000 this season, while a linesman with 15 years of service would draw $228,000.

What does a Zamboni cost?

As the sizes and options of the Zamboni machines vary greatly according to each ice arena’s individual needs, so does the price. The Model 100 (a small tractor pulled unit) may be in the neighborhood of $10,000.00 or more and the full-sized machines can be up to or in the low six figures.

Does the NHL use artificial ice?

As ice rinks continue to remain closed due to COVID-19 pandemic restrictions, more and more NHL’ers are turning to synthetic ice to get their practice fix. “The first two weeks the NHL had off, probably a lot of players were just sitting around playing video games,” said Stephen J.,Wong.

Can you walk on synthetic ice?

Low quality synthetic ice can cause friction, leading to an undesirable skating experience and dull skates. Even the slightest friction will disrupt a skaters’ flow. It makes gliding difficult and requires more effort.

What is the difference between NHL and Olympic ice?

Olympic hockey uses the same three 20-minute periods with 15 minute intermissions in between like the NHL does. The big difference is in the overtime rules. Should a game be tied after three periods, a five-minute sudden-death overtime period will be played.