Shanghai screw air compressor manufacturers introduce screw piston type difference

What are the advantages of screw air compressor than piston air compressor? How does air compressor work?

Air compressor is also called air compressor. It is a device used to provide kinetic energy after compressing air. The compressor is directly driven by a motor or diesel engine. After inhaling air, the air is compressed to a certain value in the air storage tank, causing the cylinder volume to change., Thereby generating pneumatic energy.

There are many types of air compressor, common screw air compressor and piston air compressor.

the piston air compressor uses an electric motor or diesel engine to drive the pulley to directly drive the crankshaft through the coupling, drive the connecting rod and the piston rod, and make the piston reciprocate in the cylinder to complete the suction, compression and discharge process.

When the reciprocating piston in the cylinder moves up and down, the pressure in the left cavity of the piston in the cylinder is lower than the normal atmospheric pressure, the suction valve opens, and the outside air flows into the cylinder. This process is called the compression process. When the pressure in the cylinder is higher than the air pressure in the gas pipeline, the exhaust valve opens and compressed air is delivered into the exhaust pipeline. This process is called the exhaust process.

What are the daily contents of air compressor maintenance?

1. The air compressor manufacturer introduced that the air filter is a component that filters out air dust and dirt, and the filtered clean air enters the screw rotor compression cavity for compression. Because the internal clearance of the screw machine only allows particles within 15u to be filtered out.

2. If the air filter element is blocked and damaged, a large amount of particles larger than 15u will enter the screw machine to circulate, which will not only greatly shorten the service life of the oil filter element and the oil fine separation core, but also cause a large amount of particles to directly enter the bearing cavity, accelerate bearing wear and increase the rotor gap., The compression efficiency is reduced, and even the rotor is boring and seized.

3. The quality of screw oil has a decisive influence on the performance of oil injection screw machine. Good oil has good stability, rapid separation, good foam cleaning, high viscosity and good anti-corrosion performance. Therefore, users must use pure screw oil.

shanghai Granklin oil-free air compressor manufacturers

what are the advantages of screw air compressor than piston air compressor?

Comparison of Screw Air Compressor and Piston Air Compressor Function

(I), force balance

single-screw compressor: The radial and axial gas forces borne by the screw can be automatically balanced, and the star gear teeth are required to have sufficient strength and rigidity. Twin-screw compressor: The screw rotor bears a large radial and axial gas force, and the screw is required to have sufficient strength and rigidity.

(II), manufacturing costs

single screw compressor: ordinary bearings can be used for screw and star wheel bearings, and the manufacturing cost is low. Twin screw compressor: due to the two screw rotor load is relatively large, requires the selection of high precision bearings, high manufacturing costs.

Although the procurement cost of single screw air compressor is relatively low, the friction between the star wheel and the rotor is more serious, and the star wheel needs to be replaced. The maintenance cost and operating cost will naturally be very high, otherwise the exhaust volume loss will not meet the requirements. Although the temporary purchase cost of the twin-screw air compressor is on the high side, it has extremely high mechanical reliability, stable operation, and strong applicability, so that the later maintenance cost is very low, the failure rate is low, and it will not affect production.

The analysis of the advantages and disadvantages of screw air compressor and piston air compressor is one of the core work of engineering management. It plays a very important role in the management of engineering projects. We must apply the scientific method to the analysis.