Small air separation FAQ

The running cycle of small-sized air separation plant is shorter than that of large-sized air separation plant, which is because small-sized air separation plant has no thorough removal of impurities than large-sized air separation plant. Therefore, in order to prolong the running cycle of the air separation Tower, we must start from the problem of removing moisture, carbon dioxide and grease: 1) most of the moisture in the air is collected during the compression and cooling process of the air compressor, remove in the oil-water separator, and absorb a small amount in the dryer (or purifier. If the amount of water entering the purifier increases, its cleaning load will increase, and the service life will be shortened, and the amount of water brought into the tower will increase. Therefore, it is very important to blow off oil-water separators at all levels correctly regularly. The water content in the compressed air is related to the temperature. Therefore, the cooling effect of the...

After removing the micro metal particles and dust impurities in the air through the air filter, the air enters the svk20-3s type turbine air compressor for 1-3 level compression and cooling to obtain 0. 5MPa normal temperature pressure gas. The liquid nitrogen on the top of the lower tower enters the top of the upper tower as the reflux fluid through the HV-l liquid nitrogen regulating valve after further condensation through the cooler; after the other one passes through the cooler, in front of the HV-1 valve, through the liquid nitrogen liquid level regulating valve, LCv-704 the condensing evaporator of the pure argon Tower as the cold source.

Shaft seal of centrifugal pump

How much argon fraction can the air separation tower extract when producing argon? What are its limitations?

What requirements should be met before the cold test of the inner fractionation pipeline and expander of the air separation unit

How to operate cold start-up aFfter fault shutdown of air separation unit

Why did the resistance gauge at the lower part of the upper tower indicate before the main cold liquid level of the air separation equipment appeared

How to perform bare cooling on air separation equipment and what work needs to be done after bare cooling

How to carry out pressure testing and leak detection of air separation equipment

1. When all kinds of mechanical injuries occur, the power supply should be cut off first, and then the treatment should be carried out according to the injury location and nature. 2. According to the degree of injury, the first aid hospital should be informed at the same time, and the minor injured person should be rescued at the same time. 3. If the injured person does not know the injury location and degree, do not rescue blindly to avoid more serious injury.

What is bare cooling in air separation equipment and why it is necessary to perform bare cooling

Molecular sieve adsorber can adsorb water and carbon dioxide at normal temperature, and at the same time, it can adsorb hydrocarbon such as acetylene. According to the data provided by Linde company, the formula and experimental data of the adsorption efficiency of molecular sieve removing acetylene and other hydrocarbon are as follows: ηx=(1-yci/yji)×100%. Thereinto, the adsorption efficiency of 96.h6 and C2H6 is almost zero; that of C3H8 is 89%; that of C2H4 is 97%; that of C3H6, C2H2 and C4H10 is almost 100%. It can be seen from the above data that molecular sieve purification can be used to clear acetylene, propylene and so on, but it is ineffective to methane and acetane. In order to ensure the safe operation of the unit, the following problems should be paid attention to during the operation: 1) the molecular sieve adsorber should be in a good working state, with complete desorption and regeneration, full and smooth bed and no short-circuit airflow passing; 2) keep the main co...