What is the reason why the purity of the lower column is the basis for the purity adjustment of the upper column product?...
Pressure test before valve installation 1. In the warranty period, those with the certification and the sealing surface is intact can no longer con...
When the demand for oxygen increases higher than the normal working condition, more liquid oxygen is extracted from the liquid oxygen storage tank, pr...
To determine whether the heat exchanger has thermal scale: a. View the last 3 to 6 months of the heat exchanger convergence temperature (gas temperatu...
According to the structural characteristics of the valve casing castings, generally take X-rays or γ-rays as a source of radiation with the technical ...
The principle and characteristics of large air separation cryogenic nitrogen production Nitrogen is the main component of air, accounting for about 7...
Water evaporation, wind-blown losses and other situations occurring in industrial circulating cooling water system operation, resulting in the continu...
What is the principle of return slop nitrogen removing frozen water and carbon dioxide?...
When using sieve plate towers for distillation, the liquid must be covered with a certain height of liquid layer in order to exchange heat and mass wi...
