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Ratio Controller

ratio control

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#1 274@P6

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Posted 05 January 2021 - 01:21 AM

Hi to all,

 

Could anyone explain how the ratio controller works?

 

I need to prepare the solution (Water+Polymer) for a constant viscosity. How can i fix the ratio control to maintain constant viscosity?



#2 breizh

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Posted 05 January 2021 - 02:00 AM

Hi,

I don't think this is possible ! You need a very good mixing device and a inline viscometer at the outlet of the mixer .

What is the form for the polymer : liquid , solid (pellets , flakes, powder ) ?

Is it a continuous or batch process ? 

You should consider to keep one stream constant (water) and add more less polymer .

My view

Breizh 



#3 fallah

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Posted 05 January 2021 - 04:04 AM

 

Could anyone explain how the ratio controller works?

 

I need to prepare the solution (Water+Polymer) for a constant viscosity. How can i fix the ratio control to maintain constant viscosity?

 

Hi,

 

Supposing the polymer in liquid state, at first you should experimentally find the ratios of water/polymer to meet the specified viscosity at fixed temperatures; then using flow control valves at incoming water/polymer lines to mixing vessel triggered by a ratio controller has been set at found temperature corresponding ratio you will have a solution with mentioned specified viscosity.



#4 latexman

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Posted 05 January 2021 - 07:41 AM

A more detailed process description might help.



#5 274@P6

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Posted 18 January 2021 - 12:33 AM

Hi to all,

 

Kindly find the document attached. will it works?

Attached Files


Edited by 274@P6, 18 January 2021 - 12:35 AM.


#6 latexman

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Posted 18 January 2021 - 08:05 PM

Has it been successful before? If not, I’d do a test at the static mixer vendor.

#7 Bobby Strain

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Posted 18 January 2021 - 11:39 PM

Looks strange to me. You don't provide enough information to even guess.

 

Bobby



#8 breizh

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Posted 19 January 2021 - 01:22 AM

Hi ,

Did you check with the polymer's suppliers ? They know their products and can give you some advices .They may also provide equipment for the dosage in line as part of their contract to sell chemicals .

This is based on my experience with water treatment companies .

Good luck

Breizh 






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