Working Principle of Air Compressor for Salt Spray Test Chamber

As we all know, the most important point in the use conditions of the salt spray test chamber is compressed air. The function of this compressed air is realized by the air compressor. This compressor is not a refrigeration compressor. These are completely different. Concept, in this article, we will work with you to understand the air compressor used in the salt spray test chamber. What is his working principle? First, it has a suction process, which absorbs the outside air into the equipment. With the rotation of the rotor, one end of the teeth is gradually disengaged to form an interdental volume, and the interdental volume expands with time, forming a certain amount in the interior Vacuum, and the volume between the teeth is only connected to the suction port at this time, so the air flows into it under the effect of the pressure difference; second, after the suction process is completed, the compression work is started, and the closing and conveying processes are performed at the same time. : At the end of the suction of the main and auxiliary rotors, the tooth peaks of the main and auxiliary rotors will be sealed with the casing. At this time, the air seal in the tooth groove will no longer flow out, that is, [closing process]. The two rotors continue to rotate, and their tooth peaks and grooves coincide at the suction end, and the anastomotic surface gradually moves to the exhaust end; The gap between the teeth in the mouth gradually decreases, the gas in the gap is gradually compressed, and the pressure increases, which is the compression process. At the same time, the lubricating oil is injected into the compression chamber and mixed with the chamber gas due to the pressure difference. This is the injection process. Finally, when the above work is completed, the final step is required. When it communicates with the exhaust of the casing, (the pressure of the compressed gas is the highest at this time), the compressed gas begins to be discharged until the engagement surface of the tooth peak and the groove moves to the exhaust end surface, and the engagement surface of the two rotors and the casing are discharged The tooth groove space of the air port is zero, that is, the completion (exhaust process), at the same time, the length of the tooth groove between the rotor engaging surface and the air inlet of the casing reaches the longest, and the suction process is in progress. Attachment: Index requirements of the salt spray test box supporting air compressor: Exhaust pressure: ≥8 kg Volume flow: ≥0.12m3 / min Warm reminder: The air compressor is a must for using the salt spray test box, but due to Not belong to the same industry, so the test box manufacturers will not distribute it. If you enter a new salt spray test box, you must prepare an air compressor according to the above requirements before using the salt spray test box! Working Principle of Air Compressor for Salt Spray Test Chamber

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