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I am using 50 micron filter and viscosity of polymer is about 3400. If i can increase the area of the nozzles either with larger dia or more nozzles to increase area by atleast 30%. This way I can decrease pressure on the pump discharge and also filter life by changing filters at 28 - 30 psi...

dickon17, this is an actual question from my plant, Nippon chemicals. We use 1" inch line to wash after completing a certain grade of polymer. I am trying to find out the flow rate through this line when we use 2" pipe simultaneously. Thanks dickon17 and BigInch for solving my questions.

USe Bernouli's equation with ruptured point as your datum and liquid surface as the other point where velocity is zero. you know head and the pressure acting on the surface. I guess it would be a closed tank with N2 blanketing . At datum, given pipe size, find the velocity and find the time to...

Thank You Biginch. My pump discharge pressure is 40psig. I can calculate suction pressure from suction head or TDH minus discharge pressure( I guess). 25362, I got resistance coefficient values for fittings from Crane technical book and density of acetone is 49pcf. With know pipe sizes...

I figured out that flow rate from volume change in the tank volume from 3" discharge pipe. Recently, 2" and 1" lines were added to feed acetone to other tanks that are maintained at 7 psi pressure. 1" pipe is 48' feet long while 2' pipe is 39' feet long. We just look at level in the tank and...

Hello Everyone. i am a newbie here. Could anyone please suggest me how to find flow rates in a pipe network from the pump outlet. This pump pumps acetone at 100 gpm through a 3" pipe. After 100' of 3" pipe, the line splits to 2" and 1". I have calculated friction losses but i dunno how to...

Thanks for your suggestion Katmar. Since our process is a batch process, and we do cleaning of those tanks once in a month, I would like to try( if I can get good filter span)a new set of feed nozzles. If I couldnt get good flow distribution through the nozzles, we can can revert back to old...

We seperate the solvent in the vapors using scrubbers and sent the waste water to distillation column to recover our solvent. waste water from columns that contain about 1000ppm solvent is sent to a waste water pit and ten pumped to Gulf coast waste disposal for further treatment and disposal...

In my process, cement ( polymer) is pumped through a filter to a coagulation tank at at rate of 20 gpm. The pipe size is 3" and the cement distributes through 12 nozzles each of 1/8" dia to the coagulation tank. Filter inlet and outlet pressures are about 28psig and 24 psig respectively. We...