2026-04-10Views：
Structural aspect: The twin-screw air compressor has few moving parts and simple structure. The rigidity of the male rotor is higher than that of the female rotor, but the male rotor also bears most of the load. The rigid load ratio of the male and female rotors is close, the deformation is uniform, and the volume coefficient is high. The single-screw air compressor has three rotating shafts, more moving parts are added, the structure is more complicated, the rigidity of the screw and the star wheel is large, and the deformation is uneven, so the accuracy of the gear is difficult to guarantee, and the volumetric efficiency is slightly lower.
Material: the rotor of the twin-screw air compressor is toothed motion, the instantaneous relative motion direction of the toothed belt is free of friction in the normal direction, there is no special requirement for materials, and ordinary materials and ordinary heat treatment can meet the needs.
In terms of volumetric efficiency: the single screw is slightly lower, the friction is deformed, the suction and exhaust channels are narrow, and the high and low cavities directly lose the headlights so that the efficiency is lower than the twin screw.
In terms of exhaust volume decline: there is no direct friction between the twin-screw rotor and the housing, the yin and yang rotors deform evenly, and the failure rate is extremely low. Single screw friction is relatively serious, the decline of the displacement is more serious.
Failure rate: double screw air compressor failure rate is low, there is no direct friction between the rotor and the rotor casing, the rotor deformation is uniform, the failure rate is very low. Single screw due to star wheel wear, uneven deformation and machining accuracy is not enough is the main cause of failure.
Life: twin screw life is only subject to bearing life, generally up to 60000 hours, single screw air compressor life is subject to star wheel life.
1. check the protective device and safety accessories before starting, and can only start when they are in good condition. 2. check whether the lubricating surface is up to standard. 3. water-cooled air compressor to open the cooling water valve, and then open the motor. No cooling water or water cut-off
Air compressor protection refers to some methods that can add the service life of the equipment, which is different from the regular maintenance, and the intention is also for the outstanding work of the whole system. Below, the technical staff will briefly introduce the following three methods
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The water lubricated air compressor produced by Shanghai granklin group belongs to screw type in the air compressor category. Screw type air compressor is divided into twin screw and single screw. The water lubricated air compressor uses single screw compression. Under the condition of the same power consumption, the single screw gas production is more sufficient. Air compressors are classified according to the principle. Air compressors can be divided into two categories: rate type and capacity type. The gas machine is divided into: rate type; Capacity type; Capacity type is divided into tube type and reciprocating type; Tube type: rotor type; Screw type; Slide built-in type.
View detailsAt present, the completely oil-free air compressor equipment that can be seen in the market mostly adopts two schemes: "water lubrication oil-free" or "dry oil-free". Different lubrication methods lead to great differences in power consumption and machine loss and maintenance of oil-free air compressors.
View detailsFor enterprises to choose low energy consumption, environmental protection of the air compressor is a must, now so fierce competition, the need to control every aspect of enterprise production, in order to bring profits. Permanent magnet variable frequency air compressor has the characteristics of environmental protection and energy saving, which is well known, but the price of equipment with good performance and environmental protection must be expensive?
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