Cylindrical Filter with Wrapped Cloth (cyl./cloth)?

[DRoseum]

I actually just made a filter device using a large stainless inline filter. I made an orlon sleeve that slides over and clamps on the inner perforated metal cylinder. I use DE with it and a guzzler hand pump and it works amazing. It works under the same concept as a filter press, but just cylindrical instead of flat plates....and WAYYYYY cheaper.

I find that it also works way better than my vacuum filter I built and equally well as my SmokyLake press for 1 to 3 gallon batches. Really seems ideal for smaller producers who struggle with filtering and dont want to spend the money on a press. Plan to create a video overview of it soon.

https://a.co/d/dYwrobJ

[SapTsunami]

I actually just made a filter device using a large stainless inline filter. I made an orlon sleeve that slides over and clamps on the inner perforated metal cylinder. I use DE with it and a guzzler hand pump and it works amazing. It works under the same concept as a filter press, but just cylindrical instead of flat plates....and WAYYYYY cheaper.

I find that it also works way better than my vacuum filter I built and equally well as my SmokyLake press for 1 to 3 gallon batches. Really seems ideal for smaller producers who struggle with filtering and dont want to spend the money on a press. Plan to create a video overview of it soon.

https://a.co/d/dYwrobJ

is this similar to the new filter sold by RO Bucket?

https://www.robucket.com/product/map...re-order-only/

[DRoseum]

Didn't know they had that. Looks similar and geneally same concept but some differences.... (1) used high temp silicone tubes (2) used only sanitary fittings (no threaded fittings), (3) use a hand pump, and (4) the inlet and outlet on mine are on opposite ends of the filter canister, allowing you to use gravity to your advantage and reduce the amount of residual syrup inside.

[cray54]

In this thread, I'm asking about Sap Filtration. The filters and study I mentioned are also for sap with a different viscosity and proportion of solids.

[DrTimPerkins]

Dr. Tim,

Thank you for the further explanation. I was specifically curious about the wrapped cloth filter because it had the best non-DE performance in the study. I wasn't especially interested in the cartridges because that particular study didn't show them performing especially well (Although it posed a possible explanation).

Did you find cartridges were functionally equivalent or better than the wrapped cloth? Or was it just a convenience issue?

The cartridge filters do a better job of filtering than the wrapped cloth filters. For filtering sap in our production bush after the releaser into the sap storage tanks, after trying many different methods, we eventually went to NO filtering at all. We use cartridge filtering for sap going from the storage tank to the RO system. The only exception to that is at the beginning of the season when we might use a bag filter for the first flush from the lines. This would ONLY be advised if you're going to process your sap very quickly after/during collection.

The filter cloth system seemed to work reasonably well, but it took a HUGE amount of time to disassemble the unit, clean the filter, and reassemble the unit. One helper would spend 25-35% of their time just doing that all day long. The bigger issue was that when they clog, sap backs up into the RO. We normally ran two systems with two filter units each in parallel, so there were two filter units in operation with two others ready to go, so when the pressure start to build up we'd turn a valve to switch to the other set of filters. At night we'd sometimes have all 4 units filtering simultaneously, but even then, we'd sometimes get to the sugarhouse in the morning and find they'd plugged and backed up into the RO, triggering the moisture trap to close, shutting down the vacuum. Very annoying.