Answer Posted / mithilesh kumar

hi frnd..
1st offall ur question is wrong..
actually suction of ID fan is in negative..
in boiler furnce draught maintain (-3mmwc to -5mmwc) with
the help of ID fan.ie it's create vaccum in boiler side..
and it's discharge goes to stack which is positive..

Give an example where you had aproblem on the job, and tell me how you solved the problem. and the finalvoutcome.

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