In what situations can an air compressor be emergency stopped?
2024-01-26
Under what circumstances can an air compressor be shut down urgently?
In the following situations, the air compressor should be shut down urgently by pressing the emergency stop button. Find the cause, troubleshoot, and then restart.
The current and exhaust pressure suddenly exceed the specified value;
2. The cooling water of the water-cooled air compressor suddenly stops, and the cooling supply is interrupted:
3. The water temperature and oil temperature of a part of the air compressor exceed the allowable value, and the automatic control system malfunctions, emergency shutdown should be performed:
4. The air compressor makes abnormal noises, such as metal collision sounds and loosening of various connections, damage to cylinders, cylinder heads, screws, and other parts;
5. Lubricating oil pressure drops or suddenly stops supplying;
6. There is a serious leak in the air compressor gas transportation process;
7. The motor has strong vibration or a burning smell;
8. The weather suddenly becomes abnormal, the air compressor station is flooded, or an emergency occurs nearby.
How to perform an emergency shutdown?
During an emergency shutdown, there is no need to unload first; you can directly press the "Emergency Stop" button.
After shutdown, after the air compressor finishes working, the remaining gas in the system should be discharged, and the pressure should be returned to zero: After shutting down for a period of time, drain the condensed water from the oil and gas tank, oil cooler, and aftercooler. In cold winter, avoid freezing and damage in low-temperature environments, and prevent rust.
Emergency Shutdown Record Check
After an emergency shutdown, it is recommended that you make a written record of the cause of the shutdown for maintenance and inspection. The record includes:
1. Shutdown time, shutdown type;
2. Preliminary assessment of losses from emergency shutdown;
3. Preliminary judgment of the cause of the emergency shutdown accident
4. Matters requiring assistance from relevant departments for rescue and disaster relief:
5. Restoration or repair time;
How to reset after an emergency shutdown?
How to reset after an air compressor emergency shutdown?
1. The emergency stop switch is pressed. Rotate the emergency stop switch clockwise to see if it pops out. If not, replace the emergency stop switch.
2. After the air compressor has been idle for a long time, please reset it when starting up, but the reset does not work. In this case, it can be preliminarily judged that the emergency stop switch is disconnected or the emergency stop control circuit is poorly contacted, and the emergency stop switch should be replaced or repaired.
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