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jeudi 22 janvier 2015

A Simple Guide To An Industrial Oxygen Generator

By Janine Hughes


If you have been sick, at some point, you have required oxygen when your body is not able to breathe in an out effectively. This gas is produced by an industrial oxygen generator and packaged appropriately for you to breathe. Apart from hospitals, the vital gas is made for industrial processes such as thermal cycling, biological water treatment, bleaching, catalytic oxidations, incineration and ozone regeneration. Other users include the mining industry and armed forces.

There are two kinds of technologies for industrial generators in existence-VPSA and PSA. To start with, both use a multistage process to purify the oxygen from 95% to around 99% purity level. PSA, which refers to Pressure Swing Adsorption works by extracting oxygen from the atmosphere and consequently concentrating it to achieve a higher purity level.

PSA works by a simple principle of getting the molecules of the required gas away from other molecules present in the compressed air. The set up for this is based on a certain type of pellet system which adsorbs molecules which are not required while letting only required molecules, in this case oxygen, pass through. The level of purity achieved by this system ranges between 93% and 99%. The system is also equipped with low pressure alarms, maintenance advisories, low purity alarm and analyzers.

On the other hand, high volume VPSA is able to get a purity level of almost 93%. The deal with this kind is the high level of automation. There are remote monitoring, control and communication capabilities. However, both of these technologies have a high degree of reliability and low maintenance costs, considering maintenance issues like cleaning of the inlet air filters can be done every six months. In addition, they are not only space efficient, they also support on-site supply; a new trend in the market.

The market has for a long time employed compressed air in cylinders for their needs. However, on-site generators have gained popularity among users. On-site supply cut down on transportation costs and cylinder rentals. They also nullify the need for long contracts between manufacturers, suppliers and users. On-site set ups also give the users much more control as the models are made with the least knowledgeable user in mind.

So how do buyers choose the most appropriate tank to purchase? Honestly, there are many manufacturers as there are models complicating the decision making process for the buyer. However, one should consider the size, output requirement and air requirement before making the decision. Moreover, airflow rate and capacity of delivery are also important points in the decision making process. Delivery capacities range from 0.6 to 56 l/s while air rate flow is 2 to 200Nm3/ hour.

A user should also look out for functionalities before purchase. These include a digital hour meter, customized flow gauges and controls, on and off switches and an integrated control panel. They give the user an easy installation and operation time as all they have to do is set up and control. In other words, user friendliness should be a very important factor to consider when making the decision.

Industrial generators should have low buying and operating cost as air is free, really. A buyer should be keen on the efficiency, power usage and functions. Most importantly, however, is the purpose of purchase. You have to buy the right tool for the right job; otherwise all other factors are irrelevant.




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