Leakage is the easiest failure of regulating valve during operation. Some leak at the welding place, and some leak at the sealing place of the stuffin...
The most likely leakage of switching heat exchanger is the welding line, especially the joint of the head and the pipeline. Most of the causes of leak...
The air contains 0.932% argon. When 99.6% oxygen is to be produced from the upper tower, 1.05% argon must be contained in the nitrogen discharge. From...
During the operation of small air separation equipment, the reasons why the liquid enters into the heat exchanger are: 1) during the start-up stage, t...
Air separation plant is one of the important production devices in petrochemical, metallurgy and other industries. Due to its special structure and ph...
The start-up of the air separation plant includes three stages: cooling, hydrops and purification. For a certain equipment, the start-up time is rough...
The newly installed distillation column must be thoroughly heated and blown off before starting and returning to work after long-term parking. After b...
The air contains a small amount of water vapor, carbon dioxide, acetylene, hydrocarbon and a little dust and other impurities. It will be very dangero...
The process of extracting neon and helium from the air separation plant is divided into three steps: the first step is to produce crude neon and heliu...
When the small oxygen generator uses liquid nitrogen throttle to adjust the purity of liquid nitrogen, it can be found that the valve is adjusted with...
The low temperature valve is installed at normal temperature and works at low temperature, with a wide range of temperature variation. If the design a...
The pressure value measured by the pressure gauge reflects the pressure level, but it is not the actual pressure. According to the working principle o...
