Depressurize boiler

[aida2011]

Dear all,

May I know the fastest and safest way to depressurize a steam boiler?

Thanks and regards

Hisham Hashim
012-4090054

 

[mk3223]

Can it be more specific about the question?

IMO, these two things, the fastest way and safest way, may not go together as to depressurize an equipment. Something have to be given for the action.

 

[MJCronin]

Dear all,

May I know the fastest and safest way to stop a vehicle?


MJCronin
Sr. Process Engineer

 

[crshears]

Now now, MJ...

Some factors to consider [others will know more]:

[1] thermal stresses set up by unequal cooling of parts; hugely affect by boiler configuration, so you will have to be more specific

[2] ease with which fires can be pulled; solid, liquid, or gaseous fuel?

[3] in the case of water tube boilers, possibility of completely emptying the steam drum as quickly as possible to prevent its permanently assuming a banana shape

[4] loss of auxiliary power needed to continue supplying feed water during the cool-down process

[5] always keeping a sufficient reserve of suitable feed water available for this contingency

et cetera, et cetera...





CR

"As iron sharpens iron, so one person sharpens another." [Proverbs 27:17, NIV]

 

[Rebecca Hannah]

Dear OP

Maybe you can use pumping and blowdown, that way pressure can be reduced quite fast.