In the air separation unit, the water cooling column is a hybrid heat exchange equipment which uses the crude nitrogen to reduce the temperature of th...
The leakage of unit or pipeline in the cold box needs removal of perlite treatment. Since it is uncertain whether there is a leakage point in the cold...
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 oxygen and nitrogen products produced by the air separation unit in the external compression process are low-pressure oxygen and nitrogen from the...
1. Before hoisting, check and confirm whether the crane body, crane legs, lifting rigging and wire rope meet the safety requirements and hoisting cond...
The reflux liquid in the upper column of the distillation column is throttled by the lower column to the liquid air and liquid nitrogen of the upper c...
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...
Under the conditions of certain welding methods, welding materials, welding specification parameters and welding structure, the difficulty of obtainin...
When the same pressure is reduced, the temperature drop of throttling is far greater than that of expansion. This is because the gas does not work ext...
With the continuous development of air separation plant manufacturing technology and the popularization and application of new equipment and process, ...
1. When working at a height of more than 2 meters or multilevel cross operation, special personnel shall be assigned to guard or contact with each oth...
1. According to the specific situation of the construction, formulate the fire protection scheme, establish and improve the fire safety system, and st...
