For the pipeline with pressure, the easiest problem in the production process is the leakage at the connection flange. Once leakage is found, do not t...
In 1978, Chinese air separation industry successfully developed and produced the first set of high-purity nitrogen air separation plant. Up to now, th...
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....
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...
Core tips: answer: 1. the manufacture, inspection and acceptance of the lower distillation column comply with the provisions of JB/T2549-1994 "aluminu...
Industry insiders of membrane separation gas industry think that the technological development of membrane separation gas industry in our country main...
Liquid oxygen, liquid nitrogen and liquid argon are widely used in liquid gasification stations to supply gas directly or fill bottles. In order to en...
Lean alloy steel is often used in special pressure-bearing equipment. The alloying elements often added include manganese, silicon, chromium, nickel, ...
There must be enough smooth straight pipe sections before and after the flow orifice plate. The distance is 10 times of pipe diameter in front of the ...
The pressure relief of molecular sieve in the purification system is generally rapid in the early stage, not complete and running overtime in the late...
