Thursday, October 3, 2013

Sanitary Sonic Horns

From engineering to landfill and science, the word sanitary is an important word in today’s world.  Health and hygiene are not just concerns for the individual, their family and home but for industry as a whole and on a global scale.

The industry that this is perhaps most relevant to is the food industry where everything from breakfast cereals to ice cream and chocolate is produced - and that’s just food for humans! There is also of course the production of agricultural livestock feed and pet food.

If we look at some of the statistics for the global food products industry we get an idea of its scale and importance. Five years ago, food products, including agricultural ones, generated revenues of over USD 3 trillion and in 2013 it is anticipated to be in the region of USD 4 trillion. Huge quantities of basic raw food materials such as rice, maize and sugar have to be stored, processed and transported every day and it’s in the handling of these dry products where the problem of material build-up and blockages can occur and reduce plant efficiency.

With countries such as China, India and Russia having significantly increased their production of raw materials in recent years the demand for effective machinery cleaning systems has also increased. Wheat production in Russia went up by a staggering 45% between 2003-2007.

Q: Why are sonic horns important to the food processing industry?
A: They prevent side wall build up thus avoiding cross contamination and preventing older food material from remaining in the silos, filters etc. Plus they facilitate maximum flow rates so that the raw material (maize, rice etc) is evacuated efficiently from whatever process or storage vessel it is in at the time.

Prima sonic horn model PAS-75 Installed to improve the flow efficiency of a milled maize silo

Q: What does the word sanitary mean when it comes to sonic horns and the food industry?
A: Essentially, the horns must have a smooth finish and be easily dismantled for cleaning if required.  That may sound simple  but there’s a lot of work goes into the process of making a sanitary grade sonic horn. Our Prima range offers the ideal type of acoustic cleaning horn for food industry applications. Manufactured from 316-grade spun stainless steel we can also supply our Prima range with an even greater sanitary finish should a customer require it. For example, we have had customers specify the need for a particular grit finish – ie. the finer the grit used in grit blasting the outside finish of the horn, the greater the polish and the smoother the surface.

Looking at our Quattro horns which have welded sections, you might not imagine they would be as suitable. However, as part of our on-going commitment to the improvement of our audiosonic technology, we can now supply Quattro models with a polished exterior and, if required, can grind the welds smooth for an additional cost should a customer so require and again facilitate any required grit finish.

Here are summaries of 2 case studies that demonstrate the success of our sanitary sonic horns:

Application: Rice Husk Storage Silos  (Food Processing Company, Italy)
Problem:  The husk was not flowing correctly in 2 storage silos. It was building up against the sides of the silo walls, causing a ratholing problem.
Solution: Installation of one of our PAS-75 sonic horns on top of 1 of the silos. This caused the husk to de-bond from the silo walls and returned it to normal efficiency.
Extra Bonus: Within a few days, silo number 2 (which had not had a horn installed) was also showing silos of improved material flow. Such was the power of our PAS-75 on the first silo!

Application: Sugar Storage Silos (Food Processing Company, USA)
Problem:  The nature of the specialist sugar being stored was very fine and sensitive to bacterial contamination, particularly from moisture. As a result it was adhering  to the silo walls and causing serious flow problems.
Solution: Installation of one of our sanitary grade PAS-75 horns on top of the silo. Normal material flow was regained within a very short time and the silo has not experienced sugar build up since.
Unequivocal proof of the power sonic horns for sugar silo cleaning.

Our sonic horns can be used in a variety of process plant for food materials. These include:
Silos & Hoppers
Baghouse Filters
Cyclones
ID Fans
Ducting (gravity & pneumatic type)
Batch Mixers & Blenders
Spray Dryers
 
Read more about our sanitary sonic horn applications here

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