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How to effectively improve the air compressor displacement
In the application of air compressors, the issue of air compressor exhaust has always been a major issue for the majority of users, so how to effectively improve the air compressor displacement? Shanghai has 20 years of experience in air compressor technology Dechener Compression Machinery Co., Ltd. Chen Gong told us that there are many factors that affect the air compressor displacement, which can be roughly divided into four major aspects: speed, leakage, cooling effect,
In the application of air compressors, the issue of air compressor exhaust has always been a major issue for the majority of users, so how to effectively improve the air compressor displacement? Shanghai has 20 years of experience in air compressor technology Dechener Compression Machinery Co., Ltd. Chen Gong told us that there are many factors that affect the air compressor displacement, roughly divided into four major areas: speed, leakage, cooling effect, inhalation status, as detailed below:
Speed ​​- Air compressor displacement is proportional to speed. The speed will often change with the voltage and frequency of the grid. When the voltage is reduced (for asynchronous motors) or the frequency is reduced, the speed will drop, reducing the compressor displacement.
Leakage - Air compressor rotor and rotor and between the rotor and the shell are not in contact with the operation, there will be a certain gap, it will have a gas leak. When the pressure-increased gas leaks through the gap to the suction duct and the suction groove that is inhaling, the exhaust volume of the compressor will be reduced. In order to reduce the amount of leakage, seal teeth are formed on the tops of the driven rotors, seal grooves are formed on the tooth roots of the active rotors, and annular or strip-shaped seal teeth are also machined on the end surfaces. If these seal lines are worn, the leakage will increase and the air compressor will reduce its displacement.
Cooling effect - the temperature of the gas will increase during the compression process, the temperature of the air compressor rotor and the casing will increase accordingly, so in the process of inhalation, the gas will be heated by the rotor and the casing to expand, so accordingly Will reduce the amount of inspiration. Some of the air compressor rotors use oil cooling, and the casing is cooled by water. One of its purposes is to reduce its temperature. When the cooling effect is not good, the temperature will increase, and the air compressor discharge will be reduced;
Suction state - the general volume type air compressor, inhale the same volume. When the suction temperature increases, or the suction pipe resistance is too large and the suction pressure decreases, the density of the gas decreases, and the mass discharge of the gas will accordingly be reduced.
Then learned that the four major factors affect the air compressor displacement, and effective to improve the air compressor displacement is not difficult to do, Chen Gong told us to increase the air compressor displacement is to increase the output coefficient In this regard, he also gave us detailed instructions:
1. It is necessary to properly increase the speed of the air compressor;
2. Always maintain the tightness of the output air compression system piping, intake valves, gas tanks, and coolers;
3. We must correctly choose the size of the clearance volume;
4, to maintain the air compressor suction valve and exhaust valve sensitivity;
5, to maintain the tightness of the air compressor valve and packing;
6, reduce the gas suction air compressor resistance;
7, to maintain the tightness of the compressor piston ring;
8. When the compressor is in operation, ensure that it is inhaled with relatively dry and cold gas;
9. If necessary, clean the air compressor cylinders and other parts.
10. Advanced cooling systems are recommended when conditions permit;