db1979 wrote:Looks good so far mate.
No need for downcomers to go to the next plate down, save some copper. Mine sit just below their plate, about 5mm clearance between the bottom of the plate and the top of the cup.
Chocko6969 wrote:This has left them at 150mm so I'm assuming this won't be too much of a problem.
RC Al wrote:Great start mate
With the top of your column, in your drawing you end up needing 2x 4-2 reducers, put a clamp at the top of a single reducer? you should be able to just have Clamp connectors on the carter head bit and save some expensive bends. Depends what your paying for bends vs triclamps i spose.. worth a re-think
Check out this thread viewtopic.php?f=56&t=5027 the carter head inlet kinda turns into a thumper/bubble cap, you may want to raise the inlet to about the sight glass level, you dont have to build it with the thump capability, but it gives you the option to use it that way and achieve a different flavour if you want toChocko6969 wrote:This has left them at 150mm so I'm assuming this won't be too much of a problem.
Thats actually a great height, it gives the bubbles plenty of room to do their thing
coffe addict wrote:A cpl things to consider is perforated plates depending on the open area and diameter of holes will likely require more power to run smoothly than bubble caps.
With this in mind your probably going to want a larger gap between the downcomer and the plate or it may suffer from entrainment.
Most people like to leave some dead space on the plate around the the downcomer as with a higher imput you'll have a more active plate so the dead space allows the bubbles to collapse and the liquid goes down easier reducing the chance of plates flooding.
RC Al wrote:Great start mate
With the top of your column, in your drawing you end up needing 2x 4-2 reducers, put a clamp at the top of a single reducer? you should be able to just have Clamp connectors on the carter head bit and save some expensive bends. Depends what your paying for bends vs triclamps i spose.. worth a re-think
Check out this thread viewtopic.php?f=56&t=5027 the carter head inlet kinda turns into a thumper/bubble cap, you may want to raise the inlet to about the sight glass level, you dont have to build it with the thump capability, but it gives you the option to use it that way and achieve a different flavour if you want toChocko6969 wrote:This has left them at 150mm so I'm assuming this won't be too much of a problem.
Thats actually a great height, it gives the bubbles plenty of room to do their thing
RC Al wrote:The sight glass is there so that you can keep an eye on the fluid level - there is no downcomer, so you have to manually operate the drain. As noted in the mk2, the sg will have to go lower
The other thing it does is to add some extra flow area around the inlet tube, not a huge issue if you're doing single plate/packed section run, but if you pot still hearts through it, it could be a bad restriction area depending on how much power you have - you want to keep the vapor speed down as it hits the botanicals.
As your limited to the 2" inlet, keep the flare on the bottom of the 90° bend and make the sure that the sg is not a low profile design
The basket doesn't have to seal as such, but a close fit is good, a little reflux down the sides self seals it
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