What is the purpose of setting the compressor to one-stage, two-stage, three-stage, or four-stage?
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What is the purpose of installing piston compressors of type four columns and four stages, with one unit per circuit 1, one unit per circuit 2, one unit per circuit 3, and one unit per circuit 4? What is the function of each circuit? Under what conditions does each circuit turn on and off?
These valves are called circuit valves; they are primarily used to control the load on various stages of the compressor. They are usually activated during adjustments in capacity or when starting or stopping the compressor. When opening, they allow flow from high to low pressure, and when closing, they allow flow from low to high pressure.
I agree with the opinion from the second floor; the purpose of installing circuits and circuit valves is to be used when the compressor starts and stops, as well as when its capacity is increased or decreased. During startup, the circuit valve closes from low to high; during shutdown, it opens from high to low.
For the return valve: it gradually closes when pressure is applied; it opens when pressure is released, allowing air to flow back. If the fourth-stage valve leaks and the third stage experiences overpressure, the third-stage return valve is used to control the pressure
Reply to 1# nbazxb: It is mainly used to control the load on various sections of the compressor. Another purpose of it is to return the portion that is not needed for production back into the pipeline. Avoid polluting the environment.
Your compressors are really complicated
These valves are primarily used to control the load on various sections of the compressor. They are opened during startup and shutdown, and once the compressor is running properly, they are used to adjust its exhaust volume by controlling the opening degree of the inlet and outlet valves. An increased opening degree results in a reduced exhaust volume, while a decreased opening degree leads to an increased exhaust volume