Traditional Culture Encyclopedia - The 24 Solar Terms - Briefly describe the working principle of anti-recoil vibration valve of Hanma Liuguo natural gas engine.
Briefly describe the working principle of anti-recoil vibration valve of Hanma Liuguo natural gas engine.
Is to prevent centrifugation.
gas compressor
Show up at work
turbulent
The device that happened.
radial-flow compressor
exist
output pressure
When the flow rate drops to a certain value, surge will occur. In order to prevent surge, it is necessary to prevent airflow from entering the surge zone. In the operation of compressor, when the resistance of pipeline system increases, the flow rate will decrease, which may be lower than the allowable value. The task of anti-surge system is to automatically exhaust air when the flow rate drops to a certain lower safety limit.
atmospheric valve
Or back to the inlet.
by-pass valve
Open it to increase the flow through the air compressor and prevent it from entering the surge zone. Take the lower limit of flow safety as the specified value of the regulator. When the measured flow value is higher than the specified value, the exhaust valve is fully closed; When the measured value is lower than the specified value, the regulator
output signal
Open the exhaust valve to increase the flow. perfect
Anti-surge device
Control should be based on two signals of compressor outlet pressure and flow.
exist
combustion engine
Zhongdang
turbocharger
Work under high pressure.
throttle valve
When closed, there will be a large gap between the turbocharger and the throttle.
back pressure
This will stop the compressor impeller of the supercharger or the supercharger will surge. When the engine suddenly decelerates, the low pressure behind the throttle valve is transmitted to the pressure feedback joint of the surge valve through the ventilation hose of the surge valve, and the surge valve opens to stop the diaphragm in one direction and make the supercharger.
compressor
Front and back
pressure balance
, to avoid supercharger surge.
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