What is the overall size of enclosure openings and what is the pressure difference from within the enclosure to the outside room? In addition to the references in the link, we use nitrogen blanket to preserve food grade oils and maintain final product quality.
Jas,
The downstream pump is at 244 psig - does that become the inlet to the exchanger? When I think of a downstream pump, that is after the heat exchanger and what I would be looking for, is the pressure on the inlet/upstream side. Maybe I have just got the names mixed up.
We have a pressure...
We use ecc bottom with liquids that have a solid component to avoid the settling issue. If anything does have the tendency to settle to the bottom of the pipe, it will still be in line with the suction and will not build up a residue. For our application it is also important to have...
I've had similar fun with heat exchangers - there aren't many flowmeters used for cooling water, at least at our plant. I found the flows with centrifugal pump curves and valve Cv calculations using inlet and outlet pressures and control valve data.
We wound up running Ridlime through the...
Let me try this again:
The insulated silo holds a viscous product that needs to be maintained around 110ºF - 120ºF, and not higher than 130ºF. The silo has a small jacket around a quarter of the circumference for steam or hot water. The silo is 12 foot diameter by 24 foot high.
Product is 7000...
We have a silo that we will be using to store syrup. The silo heat transfer was designed for edible oil, so that the agitator is undersized, steam jacket over part of the vessel won't work since the thick syrup won't be agitated, concerned that the jacket will give a hot spot and burn the...
At the tee the pressure will be uniform. Flows will differ depending upon downstream pressure losses, but both sides will have the same pressure to lose.
We have atmospheric tanks that will be blanketed with nitrogen, only a few inches water column over pressure. The tanks will have PVRV safety in case the nitrogen generator fails while the tank is pumping out. We could then pull a vacuum, collapse a tank, ETC. The vac relief sizing is based...
We call them silos - they are vertical storage tanks, sloped bottom to the outlet pipe.
Thanks for all the input - seemed to make sense. I think there will be a common header & shut-off valve to the railcar. The silos still have the 3" breather valve to maintain low pressure - just need to...
There are two soybean oil silos getting filled from a railcar ~once a week. We keep a Nitrogen blanket on the silos in case the oil is held for a few weeks, even though that doesn't happen often. (Blanket maintained at 6-7" WC with pressure/vac relief valve)
Our nitrogen generator seems...
Kunal,
I'm not familiar with your kind of batching, but my guess is that after the tank is more than 20% full, the polymerization process gets started. The feed tank continues to fill at 100 gpm (?? temp) and a return line has 20 gpm at 55º F. Is the initial acetone temp at 100º F before...
camabee,
We were using diaphragm dosing pumps - the challenge we faced was a single source peroxide charging a steam line going to 14 different flowpaths at 2 second intervals. The steam backpressure varied as much as 5 psi from one path to the next, so that is what caused the problem with the...
We are adding hydrogen peroxide ~35% concentration, and need to find an appropriate flowmeter and/or flow switch. The flow is 50-60 mL /min, and it will be coming directly from a positive diaphragm pump, pulsing once a second for less than half a second.
I think that we may want to use a...
