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Square tube fluid bed
J-ROD
Howdy everyone!

My first build in a few years. My roasting journey….. I started with a Whirley pop then a sivetz style #1 electric build and progressed to a 1 kilo and 7 kilo Roaster Rob style propane build (that I used for 5 years as a semi pro roaster for farmers markets and a couple of grocery accounts). I Stopped roasting completely when I made the choice to stick with my full time jobs benefits and schedule.

I have finally gotten into a position where I can roast to share with my friends, family and a few great former customers.
I’ve been thinking about a modern version of simple propane fired version that takes up minimal square feet in my tiny shed. I plan to document my success and challenges as I get it done by spring. Here’s the start. 1/8” thick mild steel 6” square tube. Picked up a little over 5’.

Now to figure out photo resizing on my iPhone….
[img][/img]
J-ROD attached the following image:
img_3578.jpeg

Edited by J-ROD on 01/06/2024 10:26 AM
 
HarryDog
I like the Valenta 7 pound roaster from Coffee Crafters, that design looks to be solid, it uses what he calls an Air curtain, would be very scalable. Does not fit all your build materials but worth a look.

This video talks about the Air curtain, at 11:40 you can see what the roast chamber looks like. Bean movement is great with exit chute at the base, note the grate for air entry has slits not holes.
https://www.youtu...HGhJyaGAZ4

The Neuhaus NeoTec, nice look at the bean flow.
https://www.youtu...RYHbeizL_c
Edited by HarryDog on 01/06/2024 11:22 AM
 
J-ROD
Thank you for the links @HarryDog! I enjoy roaster videos!


Finally made a tiny amount of progress. This is definitely not a precision build like my other roasters. Im doing everything instead of having a pro cut and weld it up for me.

[img][/img]
J-ROD attached the following images:
img_2024-02-25-173609.jpeg img_2024-02-25-173638.jpeg img_2024-02-25-173816.jpeg

Edited by J-ROD on 02/25/2024 4:47 PM
 
allenb

Quote

HarryDog wrote:

I like the Valenta 7 pound roaster from Coffee Crafters, that design looks to be solid, it uses what he calls an Air curtain, would be very scalable. Does not fit all your build materials but worth a look.

This video talks about the Air curtain, at 11:40 you can see what the roast chamber looks like. Bean movement is great with exit chute at the base, note the grate for air entry has slits not holes.
https://www.youtu...HGhJyaGAZ4

The Neuhaus NeoTec, nice look at the bean flow.
https://www.youtu...RYHbeizL_c


Ken (Coffeecrafters) is a very generous fellow to provide this detailed information on their fluidbed roasters and the air curtain technology in general. Especially the information on where the cutoff point is with circular roast chambers and the need to switch to the Neotec style.
Great videos!
1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
 
allenb

Quote

J-ROD wrote:

Thank you for the links @HarryDog! I enjoy roaster videos!


Finally made a tiny amount of progress. This is definitely not a precision build like my other roasters. Im doing everything instead of having a pro cut and weld it up for me.

[img][/img]


Hey J-Rod, looking forward to seeing this one come together! Make sure to post lots of build photos as things progress!
1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
 
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