What is under the ice rink in hockey?
In hockey, the ice rink is a crucial element that provides the smooth and slippery surface for players to maneuver and showcase their skills. However, beneath this layer of ice lies a complex network of systems and components that work together to maintain the optimal conditions for gameplay. Here's a glimpse of what lies under the ice rink:
- Concrete or Asphalt Subfloor: The ice rink's foundation consists of a concrete or asphalt subfloor that provides a stable and level surface for the ice to rest upon. It ensures proper drainage and prevents water seepage from the ice into the ground below.
- Chilled Piping System: Embedded within the subfloor is an intricate network of chilled piping, known as the refrigeration system. This system circulates a refrigerant, usually a combination of water and glycol, at very low temperatures. As the refrigerant flows through the pipes, it cools the surface of the subfloor, causing water to freeze and form the ice sheet.
- Insulation Layer: To minimize heat transfer from the ground and ambient air, an insulation layer is placed on top of the subfloor. This layer, typically made of foam or rubber, prevents the ice from melting and ensures it remains frozen throughout the game.
- Water Drainage and Collection System: To prevent water accumulation on the ice surface, a water drainage and collection system is employed. This system consists of small holes or channels in the subfloor that allow water from the ice to drain into a collection reservoir below. The water is then pumped out and redistributed through the chilled piping system to maintain the desired ice thickness.
- Refrigeration Plant: The central component of the refrigeration system is the refrigeration plant, located away from the ice rink. It houses the compressors, condensers, and evaporators that generate the chilled refrigerant and circulate it through the piping network.
Related Questions:
- What is the purpose of the subfloor in a hockey rink?
- To provide a stable base for the ice and ensure proper drainage.
- How does the refrigeration system work?
- It circulates chilled refrigerant through pipes below the ice to keep the surface frozen.
- What is the role of the insulation layer?
- To minimize heat transfer from the ground and prevent the ice from melting.
- How is water removed from the ice surface?
- Through a drainage system that collects water and pumps it out for re-freezing.
- Where is the refrigeration plant located?
- Away from the ice rink, typically in a separate building or mechanical room.
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