vent silencers

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Hi
We research to decrease sound of 8 vents ( 2 inches)of 2 deaeratos(4 vents for each deaerator).Deaeratos height from ground is about 19m. 40 ton/hr steam at 210 C & 4 bar & 270 ton/hr DMW inter to each deaerator & DMW exit at 150C.
Pressure of deaerator is 3.5 bar.The valves of deaerators vents is normaly open about 15%.About 5 ton/hr steam lost from
each deaerator.
Here is a question'do installtion silencer for vents decrease sound high effectively & don't increase pressure of deaerators?
(Although installation silencer for deaerators of boilers not customery)
I am grateful for your reply very soon.
regards.
process engineer
M.Jalalvandl


havent road my 2006 YZ125 this year. i put it back together after a pretty bad crash (front end mostly) a couple months ago i put a gallon of gas/oil mix just to fire it up and run for a few minutes to check for coolant leaks. ran fine no problems that i can see. yesterday i went to fire it up for a friend to hear and i noticed a strange feel when i went to kick it over it was like the clutch was catching or something a very slight grinding feeling felt through the kickstart lever and i could hear something that sounded like sand on metal contact kind of grinding sound and the kick didnt act right. i changed the trans oil before i fired it the last time. i use torco oil 80w 600cm and a little bit extra. my fuel is premium pump with torco synthetic (purple) oil mixed about 38:1 maybe a touch heavier. normaly when i run the bike and park it it will leak a little bit of black oil out that vent tube, lots of dripping from here, whats this about? is it just build up?
33 minutes ago - 3 days left to answer.
Additional Details
2 minutes ago

goes into nuetral fine and doesnt try to roll when i rev the motor. is there any way for water coolant to get in that port on the front of the cylinder where that vent tube comes from? and what is that box or port all about? can coolant get in the trans oil from internal seal problems? the black exuast oil that drips from that tube looked grayish like it had water in it, then after a few minutes it was black again. never seen it leak that much before, maybe i got water up there accidently when hosing the bike off? would that loosen up all that crud and cause it to leak that much exuast oil? also the silencer had it dripping out from the end too.


here are the things that i have checked or repaired
1 new plug
2 rebuilt bottom end (starts right up)
3 checked silencer for clogs or lots of oil (nothing)
4 adjusted float height (no leaking out of vent tube)
5 adjusted ,lubed kips (power valve )
6 checked gas cap (to see if it was creating a vaccum (its not )
7 new fuel filter installed

its still has an old air filter in place
i havent rebuilt the carb (but have adjusted the float

thats all i could think of
any help would be awesome

thanks
thomas