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TOP 10 PNEUMATIC CONVEYING QUESTIONS ANSWERED BY ENGINEERING EXPERTS OF PNEUVAY

 

Monday, June 23, 2014


Pneuvay Engineering's Managing Director, Michael Francis (Managing Director) and Paul Malcolm (Engineering Manager) share their expertise in this specialised field by answering these common questions. Read their response to the top five questions asked by industries about pneumatic conveying systems.



Michael Francis and Paul Malcolm explains the basics of pneumatic conveying

Michael Francis and Paul Malcolm - pneumatic conveying experts of Pneuvay Engineering



Question #1: What is pneumatic conveying?


'Pneumatic conveying is the technology of using air or gas to propel material in an enclose pipe. It comes from the Greek term 'pneumatikos' meaning 'of wind or air.' 


dense phase pneumatic conveying system process flow



'The system can operate as a vacuum system or as a pressure system. In more technical terms the ratio of kg of air to kg of product can be expressed by the designer in the terms of lean phase or dense phase pneumatic conveying systems.'


Question #2: What industries benefit 

from these systems?


'Pneumatic conveying system is used in various industries especially those related to school wood and metal shops, grain and seed storage and plastics and paper converting. This includes: 


  • Chemical and industrial plants
  • Food processing plants
  • Waste recovery plants
  • Mining industry
  • Cement and lime mills
  • Water treatment systems 
  • Cleaning companies


Question #3: What are the most common 

bulk materials handling problems 

businesses consult with you?


'We commonly encounter queries concerning the difference between air volume and air pressure conveyance.  At times, systems have been  added to or rates have been increased above the original design without performing proper calculations. As a result, the system fails to meet industry expectations and experience blockages and drop in performance."


Question #4: What are the major causes 

of these inefficiencies?


'A major cause of these unwanted inefficiencies are existing systems that have been installed in an ad hoc manner. This is a common error done by inexperienced engineers, who may understand the merits of pneumatic conveying systems but lack knowledge to realise the technical design techniques.'

Question #5: How does Pneuvay 

respond to these system 

errors and inefficiencies?


We take time to analyse individual pieces of equipment that are used in the pneumatic conveying system such as:

  • Blowers
  • Filters
  • Rotary valves 
  • Dust collectors


Question #6: How will I know if 

pneumatic conveying systems 

will work best for me? 


You''ll need an expert engineer to help you decide if pneumatic conveying system will work best for you. Talk to us and we'll carefully analyse the:

  • Characteristics of your conveyed materials 
  • Your location,
  • Plant environment
  • Transfer rate

Question #7: How about mechanical 

conveying system? How is pneumatic 

conveying system better than it?


Mechanical conveying system has its own  advantages. However, pneumatic conveying system is the preferred choice when conveying materials over a long distance. Using it ensures the system system is:

  • Completely contained
  • Environmentally safe
  • Free from dust emissions
  • Little risk to contamination 
  • Far less expensive


Question #8: You've mentioned many 

advantages of pneumatic conveying 

system, does it have any disadvantage?


'Pneumatic conveying systems work best at rates up to 100tph. However, inefficiencies may still happen in small pipe lengths or in very high conveying rates. In cases like this, we recommend the use of mechanical conveying systems to maximise the use of direct power. 


Question #9: What pneumatic conveying 

products do you offer industries?


We supply various pneumatic conveying equipment, components and systems including Vortex Valves and the Donaldson Dust Collector Systems.including its dust control collectors, extractors and extraction systems. Other products we install, maintain and supply to industries include:

Other products include:

Question #10: What advice can you give 

to industries wishing to benefit 

from pneumatic conveying systems?



'Pneumatic conveying systems may require significant initial outlay, but the pay-off comes over time (return on investment) as it provides reduced maintenance costs and increased productivity gains. The greater return on investment will depend on your specific circumstances. Feel free to contact us at 1800 786 642 to get a better understanding of how the great benefits might for your case.'


 
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