An air receiver provides temporary storage for compressed air, averaging the peaks in compressed air demand over the course of a shift. It provides a steady stream of air to compressor controls and serves as a secondary heat exchanger, reducing excess heat caused by compression.
What is an Air Tank?
An air tank, or air receiver tank, is a vital component of a compressed air system. Air receivers function as compressed air storage, ensuring a steady supply during peak demands.
Air tanks come in various sizes and are typically made from carbon steel, galvanized steel, or stainless steel. Their design handles the high pressures of compressed air systems and meets specific safety and performance standards.
What is the purpose of an Air Tank?
The primary function of an air tank is to act as a buffer between the air compressor and the consumption system. This compressed air systems’ component helps to:
- Store Compressed Air: It provides temporary storage for compressed air, ensuring a steady supply even during peak demand periods.
- Reduce Compressor Cycling: By storing compressed air, the air tank prevents the compressor from cycling on and off frequently. Using a compressed air receiver makes you save energy and decreasing the risk of wear and tear on the compressor.
- Moisture and Pollution Reduction: The compressed air container reduces moisture and pollutions in the compressed air system, improving the overall quality of the air.
- Pressure Maintenance: They help maintain the correct pressure in the system, ensuring efficient operation of pneumatic tools and equipment.
Air tank and compressor: how they work together
While air tanks and compressors are both essential components of a compressed air system, they have different functions:
- Air Compressor: The compressor is responsible for generating compressed air by increasing the pressure of the air. It is the primary source of compressed air in the system.
- Air Tank: The air tank stores the compressed air generated by the compressor. It acts as a storage medium, ensuring a steady supply of air and reducing compressor cycling.
Inspection and Maintenance of Air Tanks
Regular inspection and maintenance of air tanks are crucial for their safe and efficient operation. Here are some key points to consider:
- Inspection Frequency: It is recommended to inspect air tanks at least annually. However, the frequency may vary based on local regulations and operating conditions.
- Visual Inspections: Conduct frequent visual inspections to check for signs of corrosion, damage, or leaks.
- Pressure Relief Valves: Regularly check and test pressure relief valves to ensure they are functioning correctly.
- Drain Valves: Ensure that automatic drain valves and zero air-loss condensate drains are working properly to prevent moisture buildup.
Common Questions About Air Tanks
Tank accessories such as automatic drain valves, zero air-loss condensate drains, pressure gauges, pressure relief valves, and vibration pads are essential for safety and operation.
Periodic inspections are required for all compressed air containers. There isn’t a specific testing interval declared, but it is recommended that all air receiver tanks be inspected at least annually. Manufacturers should also conduct frequent visual inspections and check drains and pressure relief valves regularly.
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