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How to deeply clean the heat exchanger of my brewery equipment

  • Oct 26, 2022
  • 140
  • tiantai
We all know the heat exchanger is one of the most important part in beer brewery equipment, it plays an important role in cooling wort into suitable fermentation temperature. In most of craft beer breweries, the plate heat exchanger is widely used. But due to its special design and structure, the heat exchanger is easily got clogged if without proper cleaning every time, this is absolutely the basis for microbial growth. So how to do deep cleaning for the heat exchanger?


 
Start off back rinsing and then cleaning at 150%, or possibly even slightly higher using 2 to 3 % hot - 80 Celsius caustic, and once up to temperature add some hydrogen peroxide. Rinse and repeat until the caustic is clear even after about 20 minutes. Hot liquor flush - 85 Celsius or higher for 20 minutes. If you want to once cooled down, soak with 200 ppm PAA.
 
If it still doesn't flow properly, you may end up stripping the plate pack down and manually cleaning it, that would be a great project takes patience. First, paint diagonal lines down one of the long edges of the HX plates. This will make it immediately obvious if you get a plate out of order/orientation. Be sure you have a diagram from the manufacturer showing how the plates go, just in case. These diagrams are usually somewhat cryptic, so communicate with a tech to be sure you understand.
 
Regarding the sanitizer, Do NOT use iodophor, unless you want to risk developing holes in your plates and possibly failure due to stress corrosion cracking between the corrosion pits caused by the iodophor - which are most likely to be on the edges of the gaskets or any plate separation nipples.
 
Wanna know more details on cleaning heat exchanger of your brewery equipment, please feel free to talk to us! TIANTAI beer equipment, your honest brewery equipment builder!
 
Laura Hou
Sales Manager
Tiantai Beer Equipment
[email protected]

Tags : heat exchanger cleaning    brewery heat exchanger   
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