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Spray Drying Tower - Mass Steam Condensation Protection.

spray tower

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#1 renjith553

renjith553

    Junior Member

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Posted 18 September 2014 - 08:54 AM

Hi,

 

We have a spray drying tower where we produce granules. A stream of hot air is blown by a blower in to the tower during normal operation.Tower has a risk of explosion due to high temperature and concentration of dust. Incase of a fire, fire sprinkler system spray 70kg/s water into the tower which creates steam. Further spraying creates mass steam condensation and vacuum.

 

Can the valve free duct from the inlet fan(in stop mode)  to tower act as a vacuum protection for the tower ?

 

Note :  The inlet fan will get shut down by the emergency shut down sequence in the event of a fire.

 

Attached is a PPT showing the system for your better understanding.

 

Regards,

Renjith.

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