Invention and use of pneumatic tubes dates back to the 1st Century. Since then there have been some significant improvements. Every pneumatic tube, in practice, makes use of ducts or pipes commonly referred to as transportation lines. They have a mixture of materials such as fly ash, dry cement and others. These materials are then moved through pneumatic tubes by means of air pressure hence creating great versatility.

Pneumatic conveyor systems are either dense phase or dilute phase carrier systems. Dilute phase carrier systems push or pull the contents to be transported while dilute phase carrier systems push items to the destination just like in banks where items and cash are pushed from one counter to another.

The pneumatic conveyor systems work with the principle of an air stream which allows for pushing or pulling the contents in carriers. The three basic systems which create high velocity to move the load include:

·         Vacuum Systems- they can be used to convey light materials from one point to the other

·         Pressure Systems- these pneumatic conveyor systems apply pressure to push or pull the load. They can then be used to convey material from one point to the other

·         Combination Systems- they can be used to carry a load from several loading and offloading points

Manufacturers have several other criteria that guides in the design and manufacture of a specific pneumatic conveyor system. Emphasis should therefore be laid in considering the nature of items you have before purchasing the pneumatic conveyor system. They are cheap, easy to operate and with high surveillance because they can be modified and then carried away with ease.




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