75kw 0.7-1.2m³/min compressed air equipment for shipbuilding, textile, electronics, chemical

75kw 0.7-1.2m³/min compressed air equipment for shipbuilding, textile, electronics, chemical

The permanent magnet variable frequency air compressor adopts an energy-saving control system. The software start-up of the air compressor reduces the electric shock to the electrical components of the motor and prolongs the life of the motor contractor. The software start-up of the air compressor reduces the mechanical impact on the equipment, and the motor bearings, main bearing and gearbox all extend the service life.
Power    (KW) 75
Speed    (rpm) 2980
Voltage  (V/Hz) 380/50
Protection grade IP54
Insulation grade F

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75kw 0.7-1.2m³/min compressed air equipment for shipbuilding, textile, electronics, chemical

permanent magnet variable frequency air compressor advantage

The exhaust volume of compressed air equipment is limited by 3 factors: screw length, screw diameter, screw speed.

  • Compressed air equipment Compared with other brands of the same type, the screw rotor has a volume of more than 40%, which is smaller. The gear-type compressor has lower speed and higher efficiency, ensuring a larger air volume per unit horsepower and lowering energyc In addition, the faster the rotor speed, the greater the tension coefficient, and  the abrasion of the gear or belt, which also reduces the efficiency of the small head and increases the energy consumption.
  • Compressed air equipment rotor can effectively reduce air leaks. At high speeds, more air leaks through the rotor during compression. Simply put, the faster the rotor turns, the more difficult it is for the rotor to seal and contain air during compression. Precision machining of the rotor does not compensate for such defects, causelarge diameter rotors can be machined to the same tolerances as small diameters (of course this requires more sophisticated processing equipment). Therefore, in order to achieve higher efficiency, the speed should be reduced.
  • Compressed air equipment rotor could reduce the resistance of the lubricant. In the compressor body, the rotor must be agitated to carry away the hot lubricating oil. In fact, the lower the rotational speed of the rotor, the lower the resistance of the oil to the rotor.  In addition, the lubricating oil is injected into the compression chamber at a suitable position to minimize the adhesive force generated and the cooling effect is best. Each part of the screw compressor is designed to maximize compressor performance.
  • Compressed air equipment Rotor could make the leakage area smaller. The so-called leakage area is the area between the rotor and the case.From here the air can leak out to reduce compression efficiency. Therefore, the larger the diameter of the rotor, the smaller the percentage of the leaked area to the amount of exhaust gas.
  • Compressed air equipment rotor makes low noise ,that is environmentally friendly. The higher the speed, the greater the noise generated by the rotor. To reduce noise, the most effective way is to reduce the rotor speed.
  • Compressed air equipment low speed will benefit the device obvious The rotor can bring low temperature rising, low heat consumption, and prolong the life of moving parts such as bearings. For users, the cost of repairing and replacing the machine head is the most expensive part of the replacement parts to the screw compressor, accounting for most of the maintenance costs.

75kw 0.7-1.2m³/min compressed air equipment for shipbuilding, textile, electronics, chemical

permanent magnet variable frequency air compressor features

The energy-saving controller control device allows the air compressor to be loaded for most of the time. All kinds of related solenoid valves and pneumatic components greatly reduce the number of actions, so the failure rate of electrical and mechanical parts is greatly reduced. It supports the cost of replacement parts and labor costs.

In addition, the invert control device makes the air compressor in the loading state for most of the time, the air inlet filter is always in the forward filtering state, and when the air filter is in the reverse filtering state during the unloading, the use of the frequency converter is greatly reduced. The reverse filtration time of the inlet filter extends the life of the filter element.

permanent magnet variable frequency air compressor Parameter

 

Model JNY-100A
Cooling method Air-cooling
Pressure (Mpa) 0.7/0.8/1.0/1.2
Air delivery (m3/min) 13.5/12.7/11.3/10.0
Motor Power    (KW) 75
  Speed    (rpm) 2980
  Start method VFS
  Voltage  (V/Hz) 380/50
  Protection grade IP54
  Insulation grade F
Driven type Direct
Noise                (dBA) 68
Gas oil content      (ppm) ≤3
Outlet temperature   (℃) ≤Ambient temperature +15
Control type of exhaust volume Intake accommodation control
Setting pressure of safety valve   (Mpa) Air compressor exhaust pressure +0.1
Lubricating oil quantity  (L) 55
Lubricating oil brand Jinniu
Size L          (mm) 2320
  W         (mm) 1330
  H          (mm)                1680
Weight                (KG) 2140

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