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  1. Karlando

    Mixing of liquid and solids

    Hello rocketscientist! Could you give that formula in "Finnish"!!! I really don't get it. Maybe its your way to put it, but please advise me: P = 6.566 X 10 and then what?? What is S.G.? Thanx in advance
  2. Karlando

    Phosphoric acid

    Something between 118 - 158 celsius (from Algol Chemicals data sheet). I don't know exact pressures.
  3. Karlando

    Power consumption agitator with four impellers

    Hello! I don't think that it goes just multiplying. When there is level enough in the tank that first impellers move the slurry, second and third impellers don't increase the power consumption a lot. I have at the moment 47 m3 slurry in the tank and there are two impellers in touch with...
  4. Karlando

    Excel report

    Can somebody explain how to do this http://www.eng-tips.com/viewthread.cfm?qid=153109&page=8 I'm trying to do same kind of excel spreadsheet from process variables (temperature,flow,solids) and then get min, max and average values of data. Maybe charts too. Values from process (Omron PLC and...
  5. Karlando

    % solids or S.G. meter?

    Just use massflowmeter and convert gravity => solids by using formula 161/161-solids,%=gravity
  6. Karlando

    Pumps sealing

    Simple question: what is the reason to use mechanical sealings or sealings what so ever, for example in centrifugal pumps?? What is its function?? Best slurry in town http://www.chemec.fi/
  7. Karlando

    Variable frequency Drives and pumps

    Hello! I changed 1450 rpm 4 kW motor to 2990 4 kW motor, but it took overcurrent all the time at the same flows (waterpump) so I had to change old motor back. I guess that your boss is right. Best slurry in town http://www.chemec.fi/
  8. Karlando

    Spent Caustic Carbonation?

    Hello! We used Wiser scrubber for co2 washing. http://www.wiser.fi/en/business_areas.html Best slurry in town http://www.chemec.fi/
  9. Karlando

    Mass flow meter

    Thank you TrevorP. We have quite a lot of experiences with these meters, but not in this kind of application. Nowadays throughtput is about 180.000 kg/h with DN80 meter, which is quite good. This info was from manufacturer, so I will ask written quarantee of it, otherwise we will return it. We...
  10. Karlando

    Mass flow meter

    Hello all! Has anybody long term experiences with mass flow meters? We are planning to measure slurry amount by using above meter and total counter instead of weighing to whole tank truck. I know that accuracy of such meters are up to 0.10 % which is enough, but how sure can I be with the...
  11. Karlando

    High Solid Filled High Viscous Liquid Mixing

    We use Atrex high speed mixer in making pigment slurry up to 72 % solids. http://www.megatrex.com/. Mixer was first designed to make concrete, but new applications are developed all the time. Best slurry in town http://www.chemec.fi/
  12. Karlando

    How to Build a PLC using a PIC

    It is much more easier to make PIC by using PLC than visa versa, but good luck anyway! Best slurry in town http://www.chemec.fi/
  13. Karlando

    Experience in using Discflo pumps for multiphase fluids

    We tried to use Discflo pump in our slurry plant. If the viscosity, solids, flow and pressure were the same all the time => no problemos, but if changes in some parameters => no can do. So we said adios to Discflo after 8 hours testing. Best slurry in town http://www.chemec.fi/
  14. Karlando

    Bottom Drive Agitator Seal

    We have used seals made of teflon and nylon. Nylon is much more cheaper. I'm not sure are talking about same system, our agitator is up in the tank roof and agitator shaft is in this seal at the bottom. We just buy a nylon bar and turner will do the rest. Best slurry in town http://www.chemec.fi/
  15. Karlando

    Flow control centrifugal pump with frequency drive or control valve?

    In Finnish paper industry people use more and more Vacon and ABB VFDs. If you go more than 30 kW power, the price difference is quite high. At least in Finland, Allweiler is out of market 'cause the prices for spare parts almost double comparing Bredel and Wangen. In Finland is saying: flow...
  16. Karlando

    Self-priming pump

    Thanks, saxon We have also tried AODD, but the valves get jam all the time and I was quite frustrated kicking them to start again!! Best slurry in town http://www.chemec.fi/
  17. Karlando

    Self-priming pump

    Hello all! Has anyone expriences of APV Ws+ self-priming pumps? It seems to be too good to true in my case. We need a pump which can pump pigment slurries (clay,chalk,talk) and the problem is air. Screw pump is a good alternative, but dry running is problem with it. At a moment we have hose...

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