Oil-free air compressor is a kind of air compression equipment using dry lubrication technology, which has the advantage of oil-free lubrication, avoiding the influence of oil pollution on the process quality, and is suitable for occasions with high exhaust air quality requirements, such as food processing, pharmaceutical manufacturing and other industries. In this paper, the analysis and troubleshooting of oil-free air compressor will be described in detail.
The analysis of oil-free air compressor mainly involves its structure and working principle. From the structural point of view, the oil-free air compressor is composed of a compressor, a motor, a cooler, an air filter, etc. Among them, the compressor is the core component of the oil-free air compressor, which is mainly composed of the cylinder, air valve, gas compression chamber and so on. The working principle of the oil-free air compressor is to drive the compressor through the motor to work, compress the air in the atmosphere to a certain pressure, and then cool it through the cooler, and finally remove impurities through the air filter to get clean compressed air.
In actual operation, oil-free air compressors may have various failures, which need to be repaired and maintained. Common faults include pressure instability, high pressure, high temperature, abnormal noise, etc. In view of these faults, we can take the following methods for maintenance.
First of all, for the failure of unstable pressure, you can check whether the compressor valve is working normally and whether there is gas leakage. If there is a leak, you need to replace the seal or adjust the clearance of the air valve. In addition, you can also check whether the pressure switch is normal, and the triggering pressure of the switch needs to be adjusted.
Secondly, for the failure of too high pressure, you can check whether the cylinder and seal of the compressor are damaged and need to be replaced. In addition, it is also necessary to check whether the cooler is blocked, and the cooler needs to be cleaned or replaced.
Again, for the fault that the temperature is too high, you can check whether the cooling system works normally, including checking whether the cooling fan works normally, and whether the cooler is clean. If the cooling system is normal, but the temperature is still too high, you need to check the lubrication system of the compressor, including checking whether the lubricating oil is sufficient, and whether the lubricating oil pipeline is smooth.
Finally, for the fault of abnormal noise, you can check whether the support and fixing of the compressor are loose and need to be tightened. In addition, you can also check whether the compressor cylinder expansion and contraction problems, need to be repaired or replaced.
To sum up, the analysis and troubleshooting of oil-free air compressors is a complex and important work. Through the analysis of its structure and working principle, we can better understand the operating mechanism of the oil-free air compressor, and carry out the corresponding overhaul and maintenance work according to the specific fault, to ensure its normal and stable operation, improve production efficiency and product quality.
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