Current Location:Time: 2022-05-24 Views: 587 times
There are many forms of air compressor, its earliest development, the most widely used is reciprocating piston compressor, with the development of recent years, now the social screw air compressor gradually replaced the piston compressor is because the screw air compressor has a special place。
The unique lubrication method of screw compressors has the following advantages，Their own pressure difference，Make it pour coolant into the compression chamber and bearing，Simplified complex mechanical structure;The injection of coolant can form a liquid film between the rotors，The secondary rotor can be directly driven by the main rotor;The coolant injected can increase the air tightness，Noise reduction，It can also absorb a large amount of compression heat。Therefore, the screw air compressor has the advantages of small vibration, no need to fix the ground bolt on the basis, low motor power, low noise, high efficiency, stable exhaust pressure, and no wearing parts。
Piston compressor has some faults, the piston ring and packing device do not need oil lubrication。Under normal circumstances, the compressed gas is basically pure and does not contain oil, but because the oil scraping ring is often not thorough, the seal is not good, resulting in often oil running to the packing device and even the piston ring, so that the compressed gas contains oil。In addition, the exhaust temperature is high, sometimes as high as 200℃;The cooler is blocked, resulting in poor cooling effect;The piston ring is stained with oil, especially easy to wear;Valve beat leakage;Cylinder liner wear, etc。
The fault of screw air compressor is very few, as long as the regular maintenance of oil and gas separator, air and oil filter, etc., can ensure its normal operation。The maintenance of the two 10m3 screw machines used was blocked in the sewage pipe and the failure of the control panel. In the past two years, the host system has been running normally。
The unique lubrication method of screw compressors has the following advantages，Their own pressure difference，Make it pour coolant into the compression chamber and bearing，Simplified complex mechanical structure;The injection of coolant can form a liquid film between the rotors，The secondary rotor can be directly driven by the main rotor;The coolant injected can increase the air tightness，Noise reduction，It can also absorb a large amount of compression heat。Therefore, the screw air compressor has the advantages of small vibration, no need to fix the ground bolt on the basis, low motor power, low noise, high efficiency, stable exhaust pressure, and no wearing parts。
Piston compressor has some faults, the piston ring and packing device do not need oil lubrication。Under normal circumstances, the compressed gas is basically pure and does not contain oil, but because the oil scraping ring is often not thorough, the seal is not good, resulting in often oil running to the packing device and even the piston ring, so that the compressed gas contains oil。In addition, the exhaust temperature is high, sometimes as high as 200℃;The cooler is blocked, resulting in poor cooling effect;The piston ring is stained with oil, especially easy to wear;Valve beat leakage;Cylinder liner wear, etc。
The fault of screw air compressor is very few, as long as the regular maintenance of oil and gas separator, air and oil filter, etc., can ensure its normal operation。The maintenance of the two 10m3 screw machines used was blocked in the sewage pipe and the failure of the control panel. In the past two years, the host system has been running normally。
Therefore, from the use effect, performance machine maintenance costs, etc., screw compressors have the incomparable advantages of piston air compressors, which not only reduces the labor intensity of the operator, but also does not need to be equipped with maintenance workers, greatly reducing maintenance costs。On the other hand, when the piston machine is used, the exhaust pressure is occasionally too low, which leads to the alarm of the ion film control system, and the exhaust pressure is set at 0 after the screw machine is used.58MPa, the pressure remains stable, so safety, no noise and other advantages。
