2026-04-10Views：
There are many types of air compressors, which can be divided into two categories according to their working principles: positive displacement compressors and speed compressors. In the volumetric press, the increase in gas pressure is formed by the volume of gas in the sub-compression machine being reduced, resulting in an increase in the density of air molecules per unit volume. In speed compressors, the pressure of the air is converted from the speed of the air flow, that is, the air first obtains a high flow speed, and then a part of the speed energy is further converted into the pressure energy of the gas in the fixed element.
According to the structural type of the compressor, it can be classified as follows:
compressors used to compress air, in small and medium flow, the most widely used is the piston air compressor, in large flow, the most used centrifugal air compressor.
Classification of small and medium-sized piston air compressors:
small and medium-sized clear plug air compression machine according to its structure, often according to the following principles of classification, and according to the classification method of one or several named.
1. According to the division of the mutual beauty system of the air-to-wood axis distribution, the commonly used ones are L-type, V-type, W-type and bedroom type, vertical type, symmetrical balance type, etc. This section only introduces the widely used L,V type inertia force flat street performance better compressor.
2. The compressor cylinder central sleeve and the same gas cooling method are divided into two types: water cooling (water cooling) and air cooling (air cooling). Where continuous operation of the compressor is required and where the ambient temperature of the installation is high, the water-cooled type should be used, otherwise the air-cooled type can be considered.
3. Divided into single-stage, two-stage or multi-stage according to the number of compressions experienced by the compressed gas to the final discharge pressure. Generally, the low-pressure air pressure machine (discharge pressure 0.7~0.8MPa) is mostly two-stage, of which the smaller exhaust volume (<3m 3/min) and the lower exhaust pressure (<0.8MPa) adopt single-stage compression.
4. According to the type of prime mover that drives the compressor, it is divided into electric (motor drive) and diesel (diesel engine drive). In areas where there is a lack of power supply, the diesel type can be used.
5. The number of suction or exhaust times completed by the reciprocating piston of the cylinder is divided into single-acting type (the piston reciprocates to complete one suction and exhaust) and double-acting type, also known as single-acting and double-acting.
6. According to the lubrication method of the compressor transmission parts, it is divided into splash type and pressure type, and the cylinder part is divided into oil lubrication and oil-free hole slip. Generally, pressure lubrication is used for those with large displacement and continuous operation. Oil-free lubrication is suitable for production that requires compressed air to be free of oil pollution.
7. According to whether the compressor can move in use, it is divided into mobile and fixed.
8. In the product series, it is often divided into small, medium and large (divided by exhaust volume) and low pressure (exhaust pressure 0.7 ~ 0.8MPa gauge pressure) and medium and high pressure (exhaust pressure 1Mla gauge pressure) according to the exhaust volume or exhaust pressure. The representation of the product model has not been unified, and is generally expressed in the combination of the main indicators such as cylinder arrangement, exhaust volume and final exhaust pressure. For example, V-0.6/7 type indicates that the cylinder arrangement is V-shaped. The exhaust volume of the press is 0.6 m3/min, and the final exhaust pressure is 0.7MPa (gauge pressure).
Before mastering the air compressor signal specification parameter table, first understand the type of air compressor, which is mainly divided into screw air compressor, centrifugal air compressor, etc. At present, the most common ones on the market are screw air compressor and centrifugal air compressor, each type of air compressor
Air compressor type variety, wide range of uses, and different types of air compressor, the lubrication requirements vary greatly. In the air compressor parts, the lubricating oil plays a role in preventing wear, sealing, and cooling, minimizing the influence of air on the viscosity of the lubricating oil and the reaction between additives and air, so as
The full name of the air compressor is the air compressor; a machine designed according to the working principle that the rotation of the twin screw (also known as the yin and yang rotor) causes the gas to produce volume changes. It can inhale natural air and then complete the work through several internal processes. The final discharge meets the pressure
In recent decades, the research on oil-free screw air compressor has become increasingly active, and many countries and enterprises have begun to explore the road of oil-free screw air compressor on the basis of the original oil-injected screw air compressor. In areas with high gas quality requirements, such as textiles, metallurgy
The lubricating oil used in the air compressor generally cannot be replaced by the oil currently purchased on the market. The air compressor must use special lubricating oil, which should conform to the natural environment of the factory and the air compressor model and specification of the air compressor you are applying. Types of air compressor oil on the market, brands
Completely oil-free gas exists, and the "water-lubricated air compressor" produced by Shanghai Granklin Group is currently popular in the domestic market ". It is fully in line with the conditions of "oil-free lubrication air compressor". The air compressor head is made of stainless steel. When working, the air compressor head is filled with lubricating water. What is it like after the atmosphere is sucked in, and it is compressed and discharged. What kind.
1. Check whether the fuse is burned and blown, causing the circuit to fail and cannot be powered on. 2. Motor failure. The insulation layer is aged or the temperature is too high, the insulation layer is melted, so that the insulation effect is insufficient and leakage occurs. 3. The motor is locked and overcurrent. Not enough lubricant,
How to reasonably reduce the cost of the air compressor system? The cost of the air compressor system includes the purchase cost and the use cost, not only the initial purchase amount is large, but also the use cost of personnel expenses, purchase and installation costs, power consumption, maintenance and maintenance, etc. How to reasonably reduce the cost of air compressor system has become the focus of enterprises to improve profits.
Air compressors are used in electroplating factories: 1. Sand blowing before plating 2. Air blowing after cleaning 3. Products are used to spray varnish after electroplating 4. Some small tanks are also used to stir with compressed air for each spray after spraying water-based paint.
Energy conservation and environmental protection is always advocated by our country, and the R & D teams of manufacturing enterprises are also trying to develop energy-saving equipment. The screw air compressor, as one of the important gas equipment for production enterprises, will inevitably cause environmental pollution in the process of use.
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