Building a Chimney for a Kb8 Boiler

 
Olllotj
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Post by Olllotj » Wed. Aug. 26, 2015 1:28 pm

A list of k8 fittings incase anybody is interested

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order.pdf
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Rob R.
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Post by Rob R. » Thu. Aug. 27, 2015 5:55 am

It would be better to make your connection on the propane boiler return between the circulator and the boiler. Another option is to just put two close tee's in the supply riser, but if you do that the propane boiler will not stay warm...which makes your desire for automatic backup a little more complicated.

 
Olllotj
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Post by Olllotj » Thu. Aug. 27, 2015 9:53 am

Thanks for the input!

I think I will take your advice by hooking in below my pump. It is going to take a bit of reworking the piping there but It should be doable.

So, why is it better to have it below the circ pump?

 
Olllotj
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Post by Olllotj » Wed. Sep. 02, 2015 10:18 am

Built the chute this morning, I am going to put hinges on the lid, and it will double as a work bench when not in use. I think I will glue rigid foam to the bottom of the lid. Time to look at the coal bin pics to build the bin next.

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Olllotj
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Post by Olllotj » Tue. Sep. 08, 2015 9:33 am

I got the thimbles and clean out doors cut and mortared in.

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StokerDon
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Post by StokerDon » Tue. Sep. 08, 2015 10:32 pm

Ahh, There are those clean outs. That's the trick that I use, mortar them in, then lean something heavy against them until they dry.

-Don

 
Olllotj
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Post by Olllotj » Wed. Sep. 09, 2015 10:58 am

Yeah, they went ok. I cut them out with a angle grinder and a diamond grit wheel. Also a hammer drill with 1/2" bit and a chisel attachment. I didn't have the guts to use the hammer drill on the clay liner, so I cut that with the grinder.

The thimbles were much easier to mortar in than the clean outs. So far so good, but I have another day or two to put in up top :cry: . Prolly another 10 feet of block to run then I need to figure out the cap. I don't think I can use the premade caps because of the blocks being un traditionally run side by side.

It's already drafting, it tried to suck me up out of the basement the other day! Also the framer said the plume of clay dust shooting out the tile was pretty impressive when I was cutting them.


 
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StokerDon
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Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
Other Heating: Noth'in but COAL! Well, Maybe a little tiny bit of wood

Post by StokerDon » Wed. Sep. 09, 2015 8:53 pm

If you are going to cap it, make it removable. Capping it will hurt the draft, you might need that draft later some time.

-Don

 
Olllotj
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Post by Olllotj » Wed. Sep. 09, 2015 9:21 pm

I think I should have used the term crown instead of cap in my last post. I need to figure out how to build the crown.

However the cap is something I should also consider. I know a lot of guys here run without one. Any downsides to not having one?

 
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StokerDon
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Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
Other Heating: Noth'in but COAL! Well, Maybe a little tiny bit of wood

Post by StokerDon » Wed. Sep. 09, 2015 10:33 pm

I think if you run the boiler 365 days a year, there isn't any downside to not having a cap.

-Don

 
Olllotj
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Post by Olllotj » Sun. Sep. 13, 2015 6:18 pm

Well I finished the bin. 6'x8'x6'. 7.2 ton

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Post by Olllotj » Thu. Sep. 24, 2015 6:16 am

Well that was 40' of hell! Now I need to pick a stone veneer.

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Post by waldo lemieux » Thu. Sep. 24, 2015 7:38 am

O,
Nice job man and congratz. As far as stone goes , If you go with fake stuff,to get the best job pick out a couple different styles and colors and MIX them to achieve a super real look. When you mix them up you get rid of that fake look you can get from the stones being too perfect and all the same. I don't think we'll be hearing about draft problems form you. Again nice job :)

waldo

 
Olllotj
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Stoker Coal Boiler: Keystoker KB-8
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Other Heating: Utica Propane Hot Water

Post by Olllotj » Thu. Oct. 08, 2015 8:36 pm

Got it off the shipping pallet that it's sat on since 2012! Stared putting it together and roughing in the chimney connection.

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StokerDon
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Stoker Coal Boiler: Gentleman Janitor GJ-5, Van Wert VA-600, Axeman Anderson130 X3.
Hand Fed Coal Furnace: Harman SF3500 reduced down to 3 grates connected to its own plenum
Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
Other Heating: Noth'in but COAL! Well, Maybe a little tiny bit of wood

Post by StokerDon » Thu. Oct. 08, 2015 9:02 pm

Nice!

-Don


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