الاثنين، 9 سبتمبر 2013

The Development Of Nitrogen Purged Shipping Containers

مرسلة بواسطة Unknown في 8:39 ص
By Helene Norris


The majority of Americans are aware that the US interstate highway system was constructed primarily facilitate the movement of military material. That is why the highways all run very close to the major military installations. The second major reason it was successfully undertaken was to move nitrogen purged shipping containers through all areas of the country.

The size of the nation has been a logistical hurdle since the early days of the nation state, when the complex notions of an intercontinental railway and the pony express were necessary to move critical material. Once in place, a development of the 1950s, the nation had a means of travel and movement unlike any before. The next big step was developing a standardized way to move the volume of material necessary to keep a nation stocked from coast to coast.

The idea was to make it just as simple to move cargo across the international distribution lanes as the interstate highway system. The process had to be convenient to use and flexible enough to work on trucks, railways and ocean going vessels. The resulting device is both simple and elegant, allowing for relatively easy handling and storage.

They were large, but manageable, and capable of handling automobiles as well as any other material the retail or industrial sectors might need. If larger items needed to be shipped, devices that were double or triple the length or height could do the trick. Another requirement is that the be capable of stable stacking up to seven high, to accommodate movement in large ocean going vessels.

In addition to their universality of use and ease of transition from truck to train to ship and back, they also needed to be sturdy. All the products encased within had to be able to endure the extremes of the journey, no matter how short or long. This mean the devices had to be durable and strong, yet not so heavy they could not be handled.

Sometimes the material needing movement is just plain dangerous, like acids and other industrial chemicals and the devices had to be modifiable to handle these as well. Perishable materials needed to have temperature controls to allow the time to get from one place to another without spoiling. A final modification for food was the development of atmosphere control, wherein the use of inert gas postpones the ripening or spoiling.

Another area necessary for atmosphere control is when moving hydrocarbons, including and fossil fuels and derivatives. Using an inert gas to manage the atmosphere allows for safe movement of even the most hazardous of liquids. The process significantly reduces the likelihood of an explosion being set off from any source, though monitoring the gases before and during transportation is key.

The use of nitrogen purged shipping containers is essential for the overall logistics system, as there is now so much hazardous material that must move on a daily basis. There is insufficient capacity to simply dedicate sections of global logistics systems to the hydrocarbon rich movements. And when people ad cargo move together, the risks are too high not to take advantage of safety procedures.




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