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| Making a Desiccant Air Dryer with Silica Gel |
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| awemawson:
Today it was time once more to 'cook' my silica gel to remove the moisture that it had trapped. Last time the crystals, which turn blue/black when damp, lost their nice orange hue on cooking, probably because the indicator had broken down at the 140/150 deg C that I used. This time I set the electric oven to 120 Deg C, cooked for three hours and they have returned to a nice orange :thumbup: (It's now cooling under cling film to keep the moisture out) |
| SwarfnStuff:
Great to read that your regenerative desiccant air dryer is working as designed Andrew. :mmr: Regards, John B |
| RodW:
A very god project and I'm sure you saved quite a lot for a bigger desiccant drier compared with the commercial one I bought. THis has a filter/regulator, coalescent filter and finally a dessicant drier which cost me about AUD $220. THe final filter is a motorguard style "toilet roll" filter which seems obligitory on all plasma cutters I've seen in operation. |
| howsitwork?:
Andrew Well impressed, can't think how I missed this project. Ian |
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