Water-lubricated centrifugal air compressor

Abstract

The invention discloses a water-lubricated centrifugal air compressor. A cylinder body is provided with an output channel for outputting compressed gas and water mist; an end cover is fixedly connected with the cylinder body; The first gas delivery channel on the cylinder body or the end cover; the rotor includes a rotor body and a plurality of sliding vanes, a part of the rotor body is located in the hollow cavity of the cylinder body, and the rotor body is located in the hollow cavity The part is arranged at intervals on the peripheral surface There are a plurality of assembling grooves, and the sliding vanes are gap-fitted in each assembling groove, and the water conveying channel at least includes a first water conveying channel arranged on the cylinder body or the end cover; the centrifugal force generated by the rotation of the rotor makes the sliding vane and the cylinder The inner wall is kept in contact, and the rotor rotates to make the gas and water mist flow in the direction of the output channel, compressed by the rotor and the cylinder block, and then enter the output channel on the cylinder block. The present invention has the advantage of simplifying the structure of the air compressor.

Description

technical field [0001] The invention relates to the technical field of air compressors, in particular to a water-lubricated centrifugal air compressor. Background technique [0002] The working principle of the vane air compressor is as follows: After the motor is energized, the rotor is driven to rotate forward at high speed through the coupling. During the compression process, the air is sucked into the stator and rotor group. The stator-subset is composed of a stator, a rotor, and sliding vanes, and the rotor (placed in the stator in an eccentric manner) rotates in the stator. The rotor is radially provided with sliding slots, and the sliding vanes slide in the sliding slots, and the centrifugal force generated by the rotation pushes the sliding vanes to the inner wall of the stator. As the rotor rotates, the volume of the compression chamber composed of the rotor and the vane decreases continuously, and the air is compressed. During this period, oil injection is requir...

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Problems solved by technology

[0003] The above-mentioned water-lubricated centrifugal air compressor has many shortcomings and deficiencies: for example, when in use, the connecting parts of the head are prone to oil leakage, the unloaded air has a high oil content, and the oil in the machine is easy to emulsify, resulting in fast consumption of lubricating oil, while lubricating oil The faster the consumption, the greater the pollution to the environment. The unrecovered lubricating oil enters the atmosphere, water, and soil, causing great pollution to the environment; in addition, the stator and rotor in the existing water-lubricated centrifugal air compressor The design of the sliding vane in the group is not humane enough. When assembling the sliding vane, the workers tend to reverse the two ends of the vane due to negligence. As a result, the flat end scrapes against the inner surface of the stator during rotation, which damages the stator and affects the service life of the stator and rotor group.

[0005] Although the oil and gas are separated through the filter element, the oil droplets entrained in the gas are of different sizes. Large oil droplets are easy to separate through the oil-gas separation filter element, while the separation requirements for small oil droplets (suspended) are very high. Therefore, this This type of separation cannot achieve absolute separation, that is, the gas discharged from the air compressor always contains oil in a suspended state, so adding a filter element to the air compressor cannot completely achieve the purpose of not polluting the air, water, soil and other media

Adding filter elements in the air compressor also makes the structure of the air compressor more complicated, which not only increases the difficulty of manufacturing

Moreover, if the separation efficiency is to be improved, micron-sized glass fiber filter materials are used in the prior art for filtration, and the correct selection of the diameter and thickness of the glass fiber is an important factor to ensure the filtration effect. This also increases

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