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richard1 last won the day on January 28

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About richard1

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    South Africa
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    Scuba diving and sailing

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  1. Have you considered, 1. Modifying your agitator to come in at an offset and angled towards the centre bottom and 2. Using a VSD to increase your speed. Currently you are rotating at 24 RPM.
  2. Not knowing any better I would rather make this from glass as it would be substantially more hygienic and easier to both clean and sterilise.
  3. SS filters are very expensive, have low flow rate, high delta P, low dirt holding capability and finally just don't have the comparative filtration efficiency. All round a bad choice.
  4. Piston compressors are bad news with respect to oil carry over. Coalescing filters do a sort of ok job here but not perfect. I have lost a lot of pneumatic solenoid valves due to oil even though coalescing filters are installed. Now imagine if you are blowing the bottle out with air and you have an amount of oil to contend with.
  5. Two things, your compressor needs to be of screw oil free type and with respect to filters they need to be multi stage coalescers where you aim for oil and particle removal.
  6. Nice to know that there is better quality around …………….
  7. Looks great BUT...… you are now using instrumentation and PLC control. And the BUT part is that these are not Ex / Atex certified within your system when you do this. So how are you getting around this. Personally I love the automation part. Would love to know the answer to the above.
  8. +1 for that. Generally when I design, I allow for +20% at least FOS. The last thing that I ever want is where customers come back to me and say whatever ........ In my kegging plant which we design and build and further which is highly automated and technically advanced ..... the bloody plant just goes on and on and on and at some point I need to tell the customer that I need to break the plant because I need to earn some call out money. But more importantly so, I supply the plant up into Africa and travelling out there is expensive and so it needs to be bullet proof.
  9. We supply cullinary steam filters into the market and are supplied at 1 micron. To be considered cullinary, the filter cartridge must be max 3 microns and less.
  10. My system is based on the Click PLC and the C-More HMI. Reason ....... because surplus stock and lying around in my stores. I love the Direct logic PLC's so will always recommend it. HMI's, no would presently go for Weintek.
  11. We have just built a high end and extremely efficient unit which will go for performance testing later this month. The major characteristics of our unit are high flow, very high surface area for heat exchage as well as being designed for grain in mash chilling. Here's a pitcure straight out of production and prior to clean up and final fitting of attachments and controls.
  12. BUT..... you then do not have any safety interlocks and then this is super dangerous. I have programmed interlocks and in addition..... reduced power (my heating controller is 4-20mA), pressure monitoring, level monitoring, temperature monitoring with control and cooling water valve control.
  13. Only effective way to do this is by installing a PLC and with complete automation. Expensive because apart from all automation, process valves etc. , you now have to consider all Ex requirements as well. Here's a cropped part of my HMI heat up screen image
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