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  1. shubhamw

    Oil and water accurate dosage

    Through the built in function of the vfd, I can control the rpm but not the flow setpoint. Anyways, I think this should work and nil my headache. Thanks!
  2. shubhamw

    Oil and water accurate dosage

    We read the rpm through the rpm meter. What I want to do is place a flowmeter ahead of the pump with a transmitter . The flowmeter should signal the flow to a controller which should make the error nil maybe by controlling the frequency drive . Is there any other possible way wherein we could...
  3. shubhamw

    Oil and water accurate dosage

    I know there's an error because we calculate there volume that has been pumped after say an hour an there is always a major difference between theoretical calculation. Some error is acceptable about 2% . Another reason might be the wearing of gears of the gear pumps we are using but they are...
  4. shubhamw

    Oil and water accurate dosage

    Hello!!!! For an emulsification process we are feeding oil and water into a nozzle using two different gear pumps . We are settng the dosage using frequency drive by calculating flow and output equivalent frequency. But there seems to be some error. Is there any method of achieving more accuracy...
  5. shubhamw

    Bitumen Mixing tank

    @ Littleinch - Yes, a high hear mixer is connected to the bottom of the tank. It recirculates the bitumen back into the tank . Flowrate is 900 Litres per minute.Its same as centrifugal pump. Injection of rubber inline is a good idea . But you need to suggest more properly what you are trying to...
  6. shubhamw

    Bitumen Mixing tank

    agitators are relative to the injection point and what the flow pattern / swirl is. : the agitator is mounted in the centre that is 1.15 metres from either side.The rubber is being dosed from 200 mm from the tank beginning about 900mm away from the agitator moving outwards from the centre...
  7. shubhamw

    Bitumen Mixing tank

    Hi all! :) [bigsmile] I have a tank designed for dissolving rubber in bitumen . Bitumen is heated at 180 degree celsius. The tank diameter is 2.3 metres and height is 1.5 metres, the tank is conical bottom. Now, the problem is that when we are adding the rubber through a screw conveyor at a...

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