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gvallios
Member

Join Date: Aug 2008
Location: Athens
Posts: 9

Agitator's Baffle Size

04/27/2011 6:24 AM

Dear Sirs,

We produce a vessel containing sugar sub-product with density 1,5kg/m3.

The vessel is vertical with inlet diameter 4mtr and height 9mtr

On the roof of the vessel there is an agitator for the increace of turbulence with 43RPM and 5.5kW.

Along the vessel there are 2 baffles with dimensions WxLxthick (320mm x 8000mm x 8mm) in order to induce the vorticity. Baffles are positioned 1.0m from the wall of the vessel (vertically positioned)

Can you advise for a calculation method and a typical design concerning the supports of these baffles?

Your prompt reply is highly appreciated.
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GordieGii
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Join Date: Nov 2006
Location: Ontario, Canada
Posts: 146
Good Answers: 1
#1

Re: Agitator's Baffle Size

04/27/2011 10:22 PM

Sorry I don't have an answer to your question but is the density actually

"one point five kilograms per cubic meter"

as you seem to have written? That's pretty light.

Are we talking about carbon dioxide gas?

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gvallios
Member

Join Date: Aug 2008
Location: Athens
Posts: 9
#2

Re: Agitator's Baffle Size

04/28/2011 2:16 AM

Dear Sir,

Thanks for your interest. Erroneously was written the density 1,5kg/m3 the actual density is 1500kg/m3 and it concerns liquid raw material for sugar.

Apologize for any inconvenience caused.

Regards

Giannis
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Codemaster
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Join Date: Jul 2005
Location: Stoke-on-Trent, UK
Posts: 4496
Good Answers: 137
#3

Re: Agitator's Baffle Size

04/28/2011 6:25 AM

I doubt whether the force on the baffles is significant. If you make supports that look something like right in relation to the baffle size I don't think you'll go far wrong.

I'd suggest 50 x 50 x 8mm thick RSAs welded to the vessel wall. 8 off RSAs per bafflle, one 0.5m from each end, the others at 1m spacing in between.

Cheers.........Codey

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