There are many types of air compressor (compressor).1, according to the principle of operation can be divided into three categories: volumetric, power (speed or turbine), thermal compressor.2, according to the lubrication method can be divided into oil-free compressor and oil lubrication compressor.3, according to the performance of the compressor can be divided into: low-noise, frequency, explosion-proof compressor.4, according to the use of the compressor can be divided into: refrigerator compressor, air conditioning compressor, Refrigeration compressors, oil field compressors, natural gas filling stations, rock drills, wind tools, vehicle brakes, doors and windows open and close, textile machinery, tire inflation, plastic machinery compressors, mining compressors, marine compressors, medical compressors, sand blasting and painting. 5, according to the type can be divided into: stationary, mobile, closed. (1) volumetric compressor - directly rely on changing the volume of gas to increase gas pressure compressor. (2) piston compressor - is a volumetric compressor, the compression element is a piston, reciprocating motion in the cylinder. (3) Rotary compressor - is a volumetric compressor, compression is realized by the forced movement of the rotating element. (4) slide compressor - is a rotary variable displacement compressor, the axial slide in the same cylindrical cylinder eccentric rotor for radial sliding. The air trapped between the slide is compressed and discharged. (5) Liquid-piston compressor - is a rotary displacement compressor, in which water or other liquids are used as pistons to compress the gas, and then the gas is discharged. (6) Roots dual-rotor compressor - a rotary displacement compressor in which two Roots rotors engage with each other to trap the gas and deliver it from the inlet to the discharge. There is no internal compression. (7) Screw compressor - is a rotary displacement compressor in which two rotors with helical gears engage with each other, so that the volume of the two rotor meshes from large to small, thus compressing and discharging the gas. The screw compression assembly in a screw air compressor is manufactured in-house using the latest CNC grinding machines and in-line laser technology to ensure precise manufacturing tolerances. Reliability and performance ensure that the running costs of the compressor remain extremely low over the lifetime of the compressor. The Adjustable Compressor, Integrated Compressor and Dryer series are the newest additions to the L/LS range of compressors. (8) Velocity Compressors - are rotary continuous flow compressors in which high speed rotating blades accelerate the gas passing through them, thus converting velocity energy into pressure. This conversion occurs partly in the rotating blades and partly in the fixed diffuser or return baffle. (9) Centrifugal Compressor - A compressor of the velocity type in which the gas is accelerated by one or more rotating impellers (the vanes are usually on the side). The main gas flow is radial. (10) Axial compressors - are velocity-type compressors in which the gas is accelerated by a rotor equipped with blades. The main gas flow is axial. (11) Mixed-flow compressors - also of the speed type. The shape of the rotor combines some of the characteristics of both centrifugal and axial flow. (12) Jet compressor - the use of high-speed gas or steam jet stream to take away the inhaled gas, and then in the diffuser to convert the speed of the gas mixture into pressure. (13) permanent magnet frequency conversion compressor - as a result of frequency conversion screw air compressor using the frequency converter stepless speed characteristics, through the controller or the frequency converter internal PID regulator, can start gently; on the occasion of gas consumption fluctuations are relatively large, and can be quickly adjusted response. (14) Unipolar compression screw air compressor - the head is composed of a pair of yin and yang rotor screw air compressor. This model is widely used screw air compressor. (15) Bipolar compression screw air compressor - the head is composed of two pairs of yin and yang rotors, the gas is compressed after the completion of the first stage into the second stage of compression, the compression ratio is high, the power of the first stage of compression than the air compressor down a gear. (16) Bipolar permanent magnet frequency conversion air compressor - a new energy-saving product developed since 2014, combining permanent magnet frequency conversion and bipolar compression technology, with high energy-saving efficiency.
Shanghai Jumo Medical Equipment Co. is a modern enterprise specializing in medical equipment. The company Yi'an high-quality type air compressor MC340, with automatic de-watering technology, unique noise reduction technology, the noise can be as low as below 52 dB, and obtains the CE certification of the European Union.