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Oil circulation system
Before the air compressor starts, the oil pump control system is first started. After the oil pump control system is started, the lubricating parts of the air compressor are well lubricated, and the oil pump is controlled.
The air compressor (20 sheets) system can adjust the internal oil pressure and oil temperature through the built-in temperature control valve to meet the system needs.
Pneumatic circulation system
When the compressor is working, the air is sucked through the self-cleaning air filter, and the filter is automatically cleaned by the PLC. After the air is automatically adjusted by the inlet guide vane, the air enters the first-stage compression, and the gas after the first-stage compression has a higher temperature, and then enters. The intercooler is cooled (in the water pipe, outside the gas pipe, the water flow requirement of the intercooler is 110m3 / h) and then enters the secondary compression system, in order to prevent the gas in the system from pouring into the compression chamber (avoid pressure start A suspension full-back check valve is installed in the exhaust pipe of the compressor, and the gas discharged from the compressor pushes the check valve into the exhaust muffler, then enters the primary aftercooler, the secondary aftercooler, and then enters Exhaust main pipe.
Water circulation system
The cooling water enters the air compressor intercooler through the pipeline to cool and cool the first-stage compressed exhaust gas, and then enters the aftercooler to cool the exhaust gas, and the other cooling water inlet pipeline passes through the two sets of heat exchangers in the upper part of the main motor. Cooling the motor windings, there is also a way to cool the oil cooler.
Distribution System
The air compressor is a full-pressure starter for a 2000kW high-voltage motor (10kV). The control cabinet is an indoor AC, metal armored pull-out switchgear. The switchgear consists of a fixed cabinet and a removable part, that is, a handcart. The purpose of control, protection and monitoring has the function of “five defensesâ€.
Central signal screen protection system
The central signal device is divided into two types: an accident signal and a warning signal. The main task of the accident signal is to emit an audible signal in time when the circuit breaker accident trips, and to flash the corresponding circuit breaker light position signal. The main task of the warning signal is to instantaneously or delay the sound signal when the running device is abnormal, and the light card displays the abnormality.
DC power system
PZ32 series automatic maintenance-free lead-acid battery DC power supply complete equipment, consisting of charging device screen, DC feed screen and battery, with automatic steady flow, automatic voltage regulation, automatic voltage regulation, etc., for central signal screen and high voltage control system Provide power.
DTC control system
The DTC control panel is the “brain†of the air compressor. The values ​​of various types of field sensors are finally summarized to the DTC control panel. Various operating parameters are displayed on the DTC control panel, and the operating status of each part of the air compressor is monitored. When these parameters are outside the allowable range, the DTC will issue a corresponding alarm or automatically stop the air compressor.
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