Air separation parts FAQ

Judgment method of leakage in cold box

How to operate the oxygen generator unit can effectively reduce the cost

It should contact with the front and rear processes when the piston compressor is ready to stop, we should pay attention to the following sequence: first, cut off the gas supply slowly. In order to prevent the outlet pressure from rising after the gas supply is cut off, open the vent valve at the same time. For the oxygen compressor, the vent valve should be opened slowly, because excessive opening may produce static electricity and cause fire. Then, stop the motor. After the motor stops, turn off the circulating oil pump, grease injector motor and cooling water valve. However, there are also exception cases. For example, in case of emergency shutdown, in order to save time and prevent the accident from expanding, the power supply can be cut off immediately to stop the compressor with load.

What is the principle and function of self-cleaning air filter of air separation equipment?

Why is there coexistence of liquid nitrogen and gaseous nitrogen in fractionator of air separation equipment?

How to operate in case of water entrainment in air cooling tower of air separation equipment?

There are four kinds of commonly used thermometers in air separation plant: industrial internal standard glass thermometer, thermocouple thermometer, thermal resistance thermometer and pressure gauge thermometer. According to the principle of temperature measurement, the range of temperature measurement and whether it can be transmitted remotely, four kinds of thermometers are used in different temperature measuring occasions of air separation plant. Industrial internal standard glass thermometer is used in small air separation plant to measure the temperature of all levels of compressor gas and cooling water locally, and it is also used for temperature measurement during heating and thawing; thermocouple thermometer is used for purifier; thermal resistance thermometer is used for low temperature measurement inside cold insulation box; pressure gauge thermometer is used for measuring lubricating oil temperature.

What are the internal structures of the cold box of the air separation equipment?

What are the key points for daily maintenance of air compressors in the operation system of air separation equipment?

What are the internal structures of the fractionator of the air separation unit?

What are the key points to ensure the stable operation of air separation equipment?

What is the working principle of oxygen air separation equipment using low-temperature distillation separation method?