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Question:

What does air compressor load and unload mean?

What does air compressor load and unload mean?

Answer:

In general, the loading and unloading control changes the pressure of the compressed gas from Pmin to Pmax. Pmin is the minimum pressure to ensure that users work properly, also known as minimum pressure. The conversion relationship between Pmax, Pmin such as the formula: Pmax = (1 + 8) Pmin, which is a parameter in the 10% ~ 25% percentage. When we use the variable frequency speed regulation technology to realize the continuous adjustment of air supply, then the pipe network pressure will be maintained near the minimum pressure value Pmin.
Generally speaking, when the pressure reaches the highest value of Pmax when the pressure of air compressor, mainly through the following methods: the pressure unloading off the intake valve of the motor in the idle state, while separating the compressed air vent excess tank. This method results in the waste of a lot of compressed air, which can cause great waste of energy. Close the inlet valve so that the motor idling can make the air compressor do not need to work, but the air compressor in the idle state or in the drive screw rotation, so that the energy consumption of the air compressor unloading probably accounted for air compressor load operation from 15% to 20%. In short, the air compressor is idle for 15% of its time and is doing useless work. We know that when the air compressor in the unloading air control method, air compressor motor has a great potential of energy saving.
The air compressor is the base of product of modern industry, electrical and automation is often said that there is full pneumatic meaning; and the air compressor is to provide power source, pneumatic system is the core equipment of electromechanical drainage main source device, it is the prime mover (usually motor) into mechanical energy conversion device of gas pressure can, is the pressure of compressed air generator.

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