Oil free spiral compressor | Kamsan Air Compressor Company of Iran

Oil free spiral compressor | Kamsan Air Compressor Company of Iran
The general principles of screw compressors were developed in the 1930s, when a rotary compressor with high capacity and constant flow was needed under different conditions. The main components of the air compressor include the male and female rotors, which as they move towards each other, the volume between them and the chamber is reduced. Each spiral aerator has a fixed pressure ratio that depends on the length of the spiral, the distance between the spiral ribs and the shape of its discharge duct. To obtain the best efficiency, the pressure ratio must be adapted to the required working pressure. The oil free scroll compressor has no valve and no mechanical force to cause imbalance. This means that this type of compressor with small external dimensions can work with a high rotating rod speed and combine a huge flow. An active axial force, which depends on the pressure difference between the inlet and outlet, is applied to the bearings. The helical screw compressor, which was originally symmetrical, has now been developed in various designs as helical shapes. In this type of injection compressor, a liquid with The purpose of lubrication and cooling is injected into the compression chamber and often into the compressor bearings. The role of this liquid is to cool and lubricate the compressor and reduce leakage back to the air inlet. Today’s spiral compressor, oil is the most common liquid used in lubrication due to its good lubrication properties. Due to this, other liquids are also used, including water. Liquid-injected screw compressors can be built for high pressure ratios, as they produce a pressure equivalent to 13 bar with one air compression stage.