Some customers choose the salt spray test box, do not know why the air compressor must be operated together? It is well known that the most important point in the use conditions of the salt spray test chamber is compressed air. The function of this compressed air is It is realized by an air compressor, but the compressor described here may not be a refrigeration compressor. So how does the air compressor achieve air compression?
The air-lifting compressor has an inhaling process, which adsorbs the outside air to the inside of the device. With the rotation of the rotor, one end of the tooth gradually disengages to form a volume between the teeth, and the volume between the teeth expands with time, forming a certain inside. Vacuum, while the volume between the teeth is only connected to the suction port, so the air flows into it under the pressure difference;
After the end of the inhalation process, the compression work is started, and the sealing and conveying process is carried out at the same time: at the end of the inhalation of the main and auxiliary rotors, the main and auxiliary rotor tooth peaks are closed with the casing, and the air is not sealed in the groove. After the outflow, that is, the closing process, the two rotors continue to rotate, the tooth peaks coincide with the groove at the suction end, and the anastomosis surface gradually moves toward the exhaust end;
Finally, during the conveying process, the engaging surface gradually moves toward the exhaust end, that is, the gap between the engaging surface and the exhaust port gradually decreases, the gas in the groove is gradually compressed, and the pressure is increased, which is the compression process. The compression and the lubricating oil are also injected into the compression chamber due to the pressure difference to mix with the chamber gas, which is the fuel injection process.
Index requirements for air compressors for salt spray test chambers: Exhaust pressure: ≥8 kg Volume flow: ≥0.12m3/min
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