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Pneumatic Conveying (Transport) Systems  

One of the most popular methods of moving solids in the chemical industry is pneumatic conveying. Pneumatic conveying refers to the
moving of solids suspended in or forced by a gas stream through horizontal and/or vertical pipes. Pneumatic conveying can be used for particles ranging from fine powders to pellets and bulk densities of 16 to 3200 kg/m3 .

Gases have been used successfully in industry to transport a wide range of particulate solids - from wheat flour to wheat grain and plastic chips to coal.Even though pneumatic conveying systems have been designed and operated for many years, their successful operation is still more often based on experience rather than science. The lack of practical information on pneumatic conveyors leaves most users dependent on vendors for the design, selection, and installation of pneumatic conveying equipment

The specifying engineer typically has four choice in specifying a pneumatic conveying system.

1. Dilute phase vacuum operation
2. Dilute phase pressure operation
3. Dilute phase pressure-vacuum operation
4. Dense phase pressure operation

 
   
General Principles of Ventilation  
   
Hood Design Data  
   
Pneumatic Transport Velocities  
   
Design Procedure  
   
Make-Up and Reciculated Air  
   
Pneumatic Transport Fans  
   
   

 

 

 

 
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