Composition of Air Compressor

Oil circulation system

 

Before starting, start the oil pump control system first. After starting the oil pump control system, ensure that all lubricating parts of the air compressor are 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.

 

 

Air circulation system

 

When the air compressor (20 PCs.) is working, the air is sucked through the self-cleaning air filter, and the filter is automatically cleaned by the PLC. The air enters the first stage of compression after being automatically adjusted by the inlet guide vane. The temperature of the gas after the first stage compression is high, and then enters the intermediate cooler for cooling (inside the water pipe, outside the air pipe, and the water flow of the intercooler is required to be 110m/h), and then enters the secondary compression system, To prevent the gas in the system from pouring into the compression chamber (to avoid starting under pressure), a suspended full lift check valve is installed in the exhaust pipe of the compressor. The gas discharged from the compressor pushes the check valve to enter the exhaust muffler, and then enters the primary aftercooler, the secondary aftercooler, and then the main exhaust pipe.

 

Waterway circulation system

 

The cooling water enters the intercooler of the air compressor through the pipe to cool the gas discharged from the primary compression, and then enters the aftercooler to cool the exhaust. The other cooling water inlet pipe cools the motor winding through two groups of heat exchangers on the upper part of the main motor, and the other way cools the oil cooler.

 

Power distribution system

 

The air compressor is a 2000kW high-voltage motor (10kV), which adopts a full voltage startup. The control cabinet is an indoor AC, metal armored withdrawable switchgear. The switchgear is composed of a fixed cabinet and withdrawable parts, that is, a handcart, to achieve the purposes of control, protection, and monitoring, and has the "five prevention" function.

 

Screen protection system

 

The central signal device is divided into an accident signal and a warning signal. The main task of the accident signal is to send an audible signal in time and make the corresponding circuit breaker light position signal flash when the circuit breaker trips in an accident. The main task of the warning signal is to send an audible signal instantaneously or delayed when an abnormal phenomenon occurs in the operating equipment, and make the optical plate display the contents of the abnormal phenomenon.

 

DC power system

 

Pz32 series full-automatic maintenance-free lead-acid battery DC power supply complete equipment, which is composed of a charging device screen, DC feed screen, and battery, has the functions of automatic current stabilization, automatic voltage stabilization, automatic voltage regulation, and so on, and provides power for the central signal screen and high-voltage control system.

 

DTC control system

 

The DTC control panel is the "brain" of the air compressor. The values of various on-site sensors are finally summarized to the DTC control panel, which displays various operating parameters and monitors the operating status of various parts of the air compressor. When some parameters exceed the allowable range, DTC will send corresponding alarms or automatically shut down the air compressor.

 

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