highly quality General Industry high efficiency 250KW 350HP screw direct driven air compressor engine

highly quality General Industry high efficiency 250KW 350HP screw direct driven air compressor engine

The screw compression assembly in the screw air compressor is manufactured in-house with the latest CNC grinding machine and is equipped with on-line laser technology to ensure precise manufacturing tolerances. Its reliability and performance ensure that compressor operating costs are extremely low over the life of the compressor. Screw air compressors provide high quality compressed air for all industries with their high efficiency, high efficiency, maintenance-free and high reliability.
Voltage  (V/Hz) 380/50
Protection grade IP54
Insulation grade F

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highly quality General Industry high efficiency 250KW 350HP screw direct driven air compressor engine

high efficiency 250KW 350HP screw direct driven air compressor Presentation

First, high efficiency 250KW 350HP screw direct driven air compressor ultra low noise

  • Heavy duty design
  • Direct drive, low vibration and low noise
  • Low-speed centrifugal fan; variable frequency oil cooling fan
  • The housing intake noise is silenced; the compressor intake noise is silenced
  • The noise reduction effect is at the best level

Second, high efficiency 250KW 350HP screw direct driven air compressor the energy saving effect is strong

  • Each machine is higher than the national energy-saving standard and reaches the level 1 energy efficiency level
  • Efficient host, high efficiency motor
  • Direct drive, high transmission efficiency
  • High-efficiency centrifugal fan, suction cooling
  • Oil-cooled fan, variable frequency start
  • High energy efficiency, reduced bearing load and improved mainframe life

Third, high efficiency 250KW 350HP screw direct driven air compressor high reliability

  • The first-class R&D team is dedicated to providing quality assurance for the products
  • Easy-to-maintain direct-drive unit with direct drive, large rotor, low speed mainframe
  • The two-stage compression screw air compressor has a long running time and is reliable, providing stable compressed air 24 hours a day

Fourth, high efficiency 250KW 350HP screw direct driven air compressor high quality motor

  • High quality and efficient motor, Class F insulation grade
  • IP54 fully enclosed dust-proof motor can operate safely in harsh working environment

Five, high efficiency 250KW 350HP screw direct driven air compressor imported hose

  • Excellent is wear resistance
  • Flame retardant shell
  • High pressure resistance and high temperature resistance of 135 °C
  • Excellent ozone and weather resistance
  • Long life, no leakage

Six, high efficiency 250KW 350HP screw direct driven air compressor computer controller

  • Powerful and complete control and detection functions, while ensuring stable operation of the compressor, it can also provide you with accurate compressor operating parameters.
  • Automatic fault alarm, fault shutdown, maintenance alarm and storage fault information to provide strong protection for your compressor
  • Reliable phase sequence protection function, automatic shutdown can be realized when the phase is detected, and the host can be protected from damage.
  • Communication function, can realize linkage control and centralized control of multiple air compressors (optional)

highly quality General Industry high efficiency 250KW 350HP screw direct driven air compressor engine

http://www.kingbullcompressor.com/50hp-37kw-energy-saving-35-eva-pm-vsd-marine-air-compressor.html

high efficiency 250KW 350HP screw direct driven air compressor Working Principle

(1) Intake process: The motor drives the rotor. When the groove space of the main and slave rotors is turned to the opening of the intake end wall, the space is large, and the outside air is filled therein. When the intake side of the rotor is turned away from the shell At the air inlet, the air between the teeth is closed between the main and the slave rotor and the casing to complete the inhalation process.

(2) Compression process: At the end of inhalation, the closed volume formed by the main and slave rotor peaks and the casing decreases as the rotor angle changes, and moves in a spiral shape, which is the “compression process”.

(3) Compressed gas and fuel injection process: During the conveying process, the volume is continuously reduced, the gas is continuously compressed, the pressure is increased, the temperature is raised, and at the same time, the lubrication which becomes misty due to the difference in pressure is injected into the compression chamber, thereby Achieve compression, reduce temperature sealing and lubrication.

(4) Exhaust process: When the closed tooth peak of the rotor rotates to meet the exhaust port of the casing, the compressed air begins to discharge until the matching surface of the tooth peak and the groove moves to the exhaust end face, at this time the groove The space is zero, that is, the exhaust process is completed.

At the same time, the other pair of teeth of the main and slave rotors have been rotated to the intake end to form a maximum space, and the inhalation process is started, thereby starting a new compression cycle.

Screw air compressor Technical Parameter

Model JNG-350A
Cooling method Air-cooling
Pressure (Mpa) 0.7/0.8/1.0/1.2
Air delivery (m3/min) 42.7/40.8/38.1/34.9
Motor Power    (KW) 250
Speed    (rpm) 2980
Start method Y-Δ
Voltage  (V/Hz) 380/50
Protection grade IP54
Insulation grade F
Driven type Direct
Noise                (dBA) 76
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) 150
Lubricating oil brand Jinniu
Size L          (mm) 3034
W         (mm) 1900
H          (mm) 2065
Weight                (KG) 5100

 

http://www.kingbullcompressor.com/pm-vsd-silent-industrial-air-compressor-price-wholesale40hp-air-compressor-with-ce-certificate.html

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