On the one hand, the expansion heat exchanger is to reduce the temperature of the air after expansion by utilizing the cooling amount of the sewage ni...

2024.02.29

In 1978, Chinese air separation industry successfully developed and produced the first set of high-purity nitrogen air separation plant. Up to now, th...

2024.02.07

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...

2024.01.16

When the purity of the product decreases or the output decreases during the operation of the air separation plant, people will think of whether the he...

2023.12.29

Oxygen (O2) is a colorless, odorless and odorless gas. The molecular weight is 32. The relative density is 1.429 (Air = 1 ). The melting point is-218....

2023.10.26

The main dangerous and harmful factors in workshop workplace are: electric shock, mechanical injury, lifting injury, burning, falling from high places...

2023.10.24

Phase cooling method is one of the start-up operating force methods of the air separation plant which uses switching heat exchanger to self-remove moi...

2023.10.18

Before the automatic valve is installed in the automatic valve box, it must be disassembled and washed clean, and the oil must be removed with clean a...

2023.09.12

Core tips: answer: 1. the manufacture, inspection and acceptance of the lower distillation column comply with the provisions of JB/T2549-1994 "aluminu...

2023.08.14

The liquid nitrogen supercooler uses the low temperature gas nitrogen from the upper tower to cool the liquid nitrogen from the lower tower, so as to ...

2023.08.07

Switching valve (forced Valve) is a pneumatic switching valve installed on the hot end of switching heat exchanger (or cooler. The switch of the switc...

2023.07.21

In the whole low-pressure air separation process, some are equipped with a liquid purifier, and some are equipped with two or even three liquidators, ...

2023.06.06
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