Mainstream Model-Oil Injected Rotary Screw Air Compressor

Mainstream Model-Oil Injected Rotary Screw Air Compressor

Among the many air compressor types, the oil injected rotary screw air compressor has gradually become the mainstream model in the market.

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Why is the oil injected rotary screw air compressor the mainstream?

Among the many air compressor types, the oil injected rotary screw air compressor has gradually become the mainstream model in the market. The main reason why the oil-injected screw air compressor can become the mainstream model in the market. That is its fuel injection internal cooling technology. The oil sealing effect, the large specific heat of the oil and the strong and rapid heat transfer effect of the oil mist make the screw air compressor a reliable and efficient machine.

oil flooded fixed air compressor

Giving full play to the advantages of fuel injection internal cooling technology should be the main development direction of screw compressors. But the commercial purpose promotes the development of the air compressor air end to high speed. Which seriously weakens the technical advantages of fuel injection internal cooling. Low speed is the right direction to strengthen the technical advantages of oil-injected screw compressors. Email:info@fntcompressor.com

In the range of common exhaust pressures, a two-stage compression screw air compressor is inferior to a low-speed single-stage compression oil injected rotary screw air compressor in terms of energy saving, life and reliability. The reason is that the two-stage screw air compressor generally contains transmission gears. And then, the built-in gears must have lubrication problems. Secondly. The internal leakage gap is increased by 30%. Resulting in a decrease in thermal efficiency. The number of bearings is doubled, and the gear transmission efficiency is increased. Therefore, the mechanical loss is increased. Since the two-stage compression screw air compressor does not have true inter-stage cooling. The energy saving is only a commercial speculation.

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How to design an energy-saving air compressor?

In summary, the best working range of the air compressor air end is very narrow. And the energy-efficient oil injected rotary screw air compressor must use a machine head that perfectly matches the operating conditions. If an air compressor air end is used on multiple sizes of air compressor with different exhaust pressures and displacements use the same air end. The screw air compressor is often inefficient and the user will be subject to high operating costs.

In the case where the anode rotor speed cannot be equal to the motor speed. It is more appropriate to select the belt speed ratio to select the internal gear pair shift. The high-efficiency private head is generally designed to equal the motor speed according to the electric system of the country where the user is located. The design scheme of the anode rotor speed equal to the motor speed is the only way to construct an energy-saving high-efficiency oil injected rotary screw air compressor. If you are ready to purchase high efficient oil lubricated air compressor, KINGBULL will be your reliable partner.

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