2026-04-09Views：
Air compressor (air compressor) can be used for gas transportation, for gas synthesis and polymerization, for refrigeration and gas separation, can be used as air power, etc.
The role of air compressor
for gas delivery
air compressors are also used for gas pipeline transportation and bottling, such as remote gas and natural gas transportation, chlorine and carbon dioxide bottling.
For gas synthesis and polymerization
in the chemical industry, some gases are synthesized and polymerized after the pressure is increased by the compressor, such as the synthesis of helium from hydrogen, the synthesis of methanol from hydrogen and carbon dioxide, the synthesis of urea from carbon dioxide and ammonia, etc., and the production of polyethylene at high pressure.
For refrigeration and gas separation
the gas is compressed, cooled, expanded and liquefied by an air compressor for artificial refrigeration. This type of compressor is usually called an ice maker or an ice machine. If the liquefied gas is a mixed gas, each group can be separated separately in a separation device to obtain various gases with qualified purity, such as petroleum cracking gas. First, it is compressed, and then the components are separated separately at different temperatures.
Can be used as aerodynamic
after compression, the air can be used as power, mechanical and pneumatic tools, as well as control instruments and automation devices, instrument control and automation devices, such as tool replacement of machining centers.
Introduction of air compressor
the air compressor is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover (usually an electric motor) into gas pressure energy. It is a pressure generating device for compressed air. There are many types of air compressors, which are divided into volumetric type Compressor and speed compressor.
The principle of air compressor
the core component of the air compressor is the main engine of the compressor, which is one of the positive displacement compressors. The compression of the air is achieved by the volume change of the cogging grooves of the male and female rotors that are parallel to each other in the casing. The rotation of the precisely matched casing makes the gas between the cogging grooves of the rotor continuously produce periodic volume changes and pushes from the suction side to the discharge side along the rotor axis, complete the three working processes of suction, compression and exhaust.
Composition of air compressor
oil circulation system
before starting, first start the oil pump control system. After the oil pump control system is started, the lubricating parts of the air compressor are guaranteed to be well lubricated. At the same time, the oil pump control system can adjust the internal oil pressure and oil temperature through the built-in temperature control valve to meet the needs of the system.
gas circulation system
when the compressor is working, the air is sucked in through the self-cleaning air filter, and the filter is automatically cleaned by the PLC. The air enters the first level of compression after the automatic adjustment of the inlet guide vanes. The gas temperature after the first level of compression is higher, and then Enter the intercooler for cooling.
waterway circulation system
the cooling water enters the intercooler of the air compressor through the pipeline to cool the gas discharged from the first-stage compression, and then enters the aftercooler to cool the exhaust gas. The other cooling water inlet pipeline passes through two sets of heat exchangers on the upper part of the main motor to cool the motor windings, and the oil cooler is cooled.
distribution system
the air compressor is a 2000kW high-voltage motor (10kV) and is started at full voltage. The control cabinet is indoor AC and metal armored withdrawable switchgear. The switchgear is composed of a fixed cabinet body and a withdrawable part, namely a handcart, to achieve the purposes of control, protection and monitoring.
screen protection system
the central signal device is divided into two types: accident signal and advance notice signal. The main task of the accident signal is to send out sound signal in time when the circuit breaker trips in an accident, and make the corresponding light position signal of the circuit breaker flash. The main task of the advance notice signal is to send out sound signal instantaneously or delayed when abnormal phenomenon occurs in the operating equipment, and make the light sign show the content of abnormal phenomenon.
DC Power System
the DC power supply system consists of a charging device screen, a DC feed screen and a storage battery. It has the functions of automatic current stabilization, automatic voltage stabilization, and automatic voltage regulation to provide power for the central signal screen and the high-voltage control system.
DTC control system
DTC control screen is the "brain" of the air compressor. The values of various field sensors are finally summarized to the DTC control screen, which displays various operating parameters on the DTC control screen and monitors the operating status of each part of the air compressor. When some parameters exceed the allowable range, DTC will send out corresponding alarms or automatically stop the air compressor.
Types of air compressors
volumetric compressor
the positive displacement compressor relies on the change of the volume of the working chamber to compress gas or steam, so it has a working chamber whose volume can change periodically. The volume change law of the working chamber only depends on the size of the mechanism, so the machine pressure has little relationship with the flow. The stability of work is better.
speed type compressor
speed compressors mean that their working principle is to rely on the blades to work on the gas, and first greatly increase the flow speed of the gas, and then convert the kinetic energy into pressure energy. The meaning of turbo compressors is that they all have High-speed rotating blades.
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