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insulation between ID fan and chimney

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pradeep4u

pradeep4u

Mechanical
Joined
Apr 8, 2016
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67
Location
IN
Dear All

I want to know why there is insulation required between ID fan and chimney. In my plant there is insulation between ID fan and chimney. There is no chance of acid dew point corrosion because we use natural gas as fuel which contains no sulphur so there is no chance of foramation of sulphuric acid. Considering this point is insulation required? If yes then why? Is it anything to do with draft or something?

Regards
Pradeep A
 
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I would think that the insulation is needed for personnel protection.
 
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